./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.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_BER_test2-2.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', '5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135'] 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_BER_test2-2.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 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:56:05,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:56:05,104 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2024-11-07 15:56:05,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:56:05,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:56:05,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:56:05,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:56:05,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:56:05,147 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 15:56:05,147 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 15:56:05,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:56:05,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:56:05,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:56:05,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:56:05,149 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:56:05,149 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:56:05,149 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:56:05,149 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:56:05,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:56:05,149 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:56:05,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:56:05,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:56:05,150 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 15:56:05,150 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 15:56:05,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:56:05,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:56:05,151 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 15:56:05,151 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:56:05,151 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:56:05,151 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:56:05,151 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:56:05,151 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:56:05,152 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:56:05,152 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:56:05,152 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 15:56:05,152 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:56:05,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:56:05,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:56:05,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:56:05,153 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 15:56:05,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 15:56:05,153 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:56:05,153 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:56:05,154 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:56:05,154 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:56:05,154 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 -> 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 [2024-11-07 15:56:05,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:56:05,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:56:05,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:56:05,454 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:56:05,455 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:56:05,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2024-11-07 15:56:06,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:56:07,046 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:56:07,047 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2024-11-07 15:56:07,070 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e7b4dda9a/034403cad6c943e89badab71fc05c94c/FLAG65fb4eb49 [2024-11-07 15:56:07,251 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e7b4dda9a/034403cad6c943e89badab71fc05c94c [2024-11-07 15:56:07,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:56:07,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:56:07,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:56:07,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:56:07,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:56:07,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:56:07" (1/1) ... [2024-11-07 15:56:07,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a10f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:07, skipping insertion in model container [2024-11-07 15:56:07,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:56:07" (1/1) ... [2024-11-07 15:56:07,306 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:56:07,622 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 15:56:07,651 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 15:56:07,655 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 15:56:07,658 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 15:56:07,664 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 15:56:07,697 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 15:56:07,697 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 15:56:07,699 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 15:56:07,699 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 15:56:07,701 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 15:56:07,703 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 15:56:07,705 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 15:56:07,705 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 15:56:07,706 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 15:56:07,712 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 15:56:07,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:56:07,738 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 15:56:07,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@21b4be93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:07, skipping insertion in model container [2024-11-07 15:56:07,739 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:56:07,741 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-07 15:56:07,744 INFO L158 Benchmark]: Toolchain (without parser) took 487.43ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 71.1MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 15:56:07,744 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 117.4MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 15:56:07,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.05ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 71.1MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 15:56:07,748 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81ms. Allocated memory is still 117.4MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.05ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 71.1MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 833]: 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_BER_test2-2.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 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 15:56:09,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 15:56:09,857 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Bitvector.epf [2024-11-07 15:56:09,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 15:56:09,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 15:56:09,886 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 15:56:09,887 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 15:56:09,887 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 15:56:09,887 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 15:56:09,887 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 15:56:09,887 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 15:56:09,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 15:56:09,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 15:56:09,888 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 15:56:09,888 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 15:56:09,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 15:56:09,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 15:56:09,889 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 15:56:09,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 15:56:09,889 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 15:56:09,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 15:56:09,889 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 15:56:09,889 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-07 15:56:09,889 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-07 15:56:09,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 15:56:09,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 15:56:09,890 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 15:56:09,890 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 15:56:09,890 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 15:56:09,890 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 15:56:09,890 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 15:56:09,890 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 15:56:09,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 15:56:09,890 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 15:56:09,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 15:56:09,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 15:56:09,891 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 15:56:09,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 15:56:09,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:56:09,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 15:56:09,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 15:56:09,891 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 15:56:09,892 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 15:56:09,892 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 15:56:09,892 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 15:56:09,892 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 15:56:09,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 15:56:09,892 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 -> 5b41ff920513b74db566933dfdd7430dbdb0b5764645b98d18d29abf93fb4135 [2024-11-07 15:56:10,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 15:56:10,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 15:56:10,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 15:56:10,212 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 15:56:10,214 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 15:56:10,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2024-11-07 15:56:11,537 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 15:56:11,850 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 15:56:11,851 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test2-2.i [2024-11-07 15:56:11,872 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dd67518e9/44ffca5a32414d14ac09d9bf3319b29d/FLAG88534612e [2024-11-07 15:56:11,890 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dd67518e9/44ffca5a32414d14ac09d9bf3319b29d [2024-11-07 15:56:11,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 15:56:11,894 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 15:56:11,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 15:56:11,896 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 15:56:11,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 15:56:11,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:56:11" (1/1) ... [2024-11-07 15:56:11,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f39088 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:11, skipping insertion in model container [2024-11-07 15:56:11,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:56:11" (1/1) ... [2024-11-07 15:56:11,949 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:56:12,272 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 15:56:12,299 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 15:56:12,303 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 15:56:12,307 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 15:56:12,313 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 15:56:12,343 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 15:56:12,343 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 15:56:12,345 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 15:56:12,346 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 15:56:12,348 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 15:56:12,350 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 15:56:12,353 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 15:56:12,354 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 15:56:12,355 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 15:56:12,361 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 15:56:12,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:56:12,382 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-07 15:56:12,398 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 15:56:12,434 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 15:56:12,461 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 15:56:12,463 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 15:56:12,465 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 15:56:12,469 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 15:56:12,496 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 15:56:12,496 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 15:56:12,501 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 15:56:12,501 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 15:56:12,502 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 15:56:12,504 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 15:56:12,505 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 15:56:12,506 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 15:56:12,508 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 15:56:12,512 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 15:56:12,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:56:12,523 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 15:56:12,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 15:56:12,660 INFO L204 MainTranslator]: Completed translation [2024-11-07 15:56:12,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:12 WrapperNode [2024-11-07 15:56:12,662 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 15:56:12,663 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 15:56:12,663 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 15:56:12,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 15:56:12,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:12" (1/1) ... [2024-11-07 15:56:12,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:12" (1/1) ... [2024-11-07 15:56:12,747 INFO L138 Inliner]: procedures = 211, calls = 280, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1063 [2024-11-07 15:56:12,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 15:56:12,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 15:56:12,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 15:56:12,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 15:56:12,761 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:12" (1/1) ... [2024-11-07 15:56:12,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:12" (1/1) ... [2024-11-07 15:56:12,776 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:12" (1/1) ... [2024-11-07 15:56:12,862 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-11-07 15:56:12,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:12" (1/1) ... [2024-11-07 15:56:12,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:12" (1/1) ... [2024-11-07 15:56:12,914 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:12" (1/1) ... [2024-11-07 15:56:12,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:12" (1/1) ... [2024-11-07 15:56:12,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:12" (1/1) ... [2024-11-07 15:56:12,946 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:12" (1/1) ... [2024-11-07 15:56:12,957 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 15:56:12,958 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 15:56:12,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 15:56:12,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 15:56:12,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:12" (1/1) ... [2024-11-07 15:56:12,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 15:56:12,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 15:56:12,994 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 15:56:12,997 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 15:56:13,018 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-07 15:56:13,019 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-07 15:56:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-07 15:56:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-07 15:56:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-07 15:56:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-07 15:56:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-07 15:56:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-07 15:56:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-07 15:56:13,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-07 15:56:13,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-07 15:56:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-07 15:56:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-07 15:56:13,022 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-07 15:56:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 15:56:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 15:56:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 15:56:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 15:56:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 15:56:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-07 15:56:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-07 15:56:13,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-07 15:56:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 15:56:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-07 15:56:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-07 15:56:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 15:56:13,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 15:56:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 15:56:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 15:56:13,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 15:56:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 15:56:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 15:56:13,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 15:56:13,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 15:56:13,221 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 15:56:13,223 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 15:56:20,589 INFO L? ?]: Removed 143 outVars from TransFormulas that were not future-live. [2024-11-07 15:56:20,589 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 15:56:20,606 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 15:56:20,607 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-11-07 15:56:20,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:56:20 BoogieIcfgContainer [2024-11-07 15:56:20,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 15:56:20,609 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 15:56:20,610 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 15:56:20,614 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 15:56:20,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:56:11" (1/3) ... [2024-11-07 15:56:20,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556e91d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:56:20, skipping insertion in model container [2024-11-07 15:56:20,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:56:12" (2/3) ... [2024-11-07 15:56:20,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@556e91d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:56:20, skipping insertion in model container [2024-11-07 15:56:20,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:56:20" (3/3) ... [2024-11-07 15:56:20,617 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test2-2.i [2024-11-07 15:56:20,631 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 15:56:20,631 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 15:56:20,665 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 15:56:20,675 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;@7876a8b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 15:56:20,675 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 15:56:20,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 217 states, 201 states have (on average 1.6616915422885572) internal successors, (334), 210 states have internal predecessors, (334), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 15:56:20,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-07 15:56:20,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:56:20,688 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:56:20,689 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:56:20,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:56:20,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1666316162, now seen corresponding path program 1 times [2024-11-07 15:56:20,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 15:56:20,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787435607] [2024-11-07 15:56:20,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:56:20,701 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 15:56:20,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 15:56:20,703 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 15:56:20,705 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 15:56:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:56:20,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-07 15:56:20,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:56:20,918 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 15:56:20,919 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:56:20,919 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 15:56:20,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [787435607] [2024-11-07 15:56:20,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [787435607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:56:20,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:56:20,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 15:56:20,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236448713] [2024-11-07 15:56:20,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:56:20,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 15:56:20,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 15:56:20,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 15:56:20,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 15:56:20,954 INFO L87 Difference]: Start difference. First operand has 217 states, 201 states have (on average 1.6616915422885572) internal successors, (334), 210 states have internal predecessors, (334), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 15:56:20,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:56:20,981 INFO L93 Difference]: Finished difference Result 215 states and 282 transitions. [2024-11-07 15:56:20,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 15:56:20,983 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 11 [2024-11-07 15:56:20,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:56:20,991 INFO L225 Difference]: With dead ends: 215 [2024-11-07 15:56:20,991 INFO L226 Difference]: Without dead ends: 213 [2024-11-07 15:56:20,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 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 15:56:20,997 INFO L432 NwaCegarLoop]: 282 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, 282 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 15:56:20,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 15:56:21,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-07 15:56:21,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-07 15:56:21,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 199 states have (on average 1.3165829145728642) internal successors, (262), 206 states have internal predecessors, (262), 10 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 15:56:21,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 280 transitions. [2024-11-07 15:56:21,058 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 280 transitions. Word has length 11 [2024-11-07 15:56:21,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:56:21,059 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 280 transitions. [2024-11-07 15:56:21,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 15:56:21,059 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 280 transitions. [2024-11-07 15:56:21,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-07 15:56:21,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:56:21,060 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:56:21,065 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 (2)] Ended with exit code 0 [2024-11-07 15:56:21,261 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 15:56:21,261 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:56:21,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:56:21,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1435559136, now seen corresponding path program 1 times [2024-11-07 15:56:21,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 15:56:21,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1184185372] [2024-11-07 15:56:21,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:56:21,263 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 15:56:21,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 15:56:21,265 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 15:56:21,266 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 15:56:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:56:21,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 15:56:21,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:56:21,574 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 15:56:21,575 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:56:21,575 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 15:56:21,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1184185372] [2024-11-07 15:56:21,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1184185372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:56:21,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:56:21,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:56:21,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946439524] [2024-11-07 15:56:21,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:56:21,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:56:21,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 15:56:21,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:56:21,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:56:21,582 INFO L87 Difference]: Start difference. First operand 213 states and 280 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 15:56:22,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:56:22,234 INFO L93 Difference]: Finished difference Result 345 states and 458 transitions. [2024-11-07 15:56:22,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:56:22,236 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2024-11-07 15:56:22,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:56:22,238 INFO L225 Difference]: With dead ends: 345 [2024-11-07 15:56:22,238 INFO L226 Difference]: Without dead ends: 345 [2024-11-07 15:56:22,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 15:56:22,239 INFO L432 NwaCegarLoop]: 268 mSDtfsCounter, 158 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 15:56:22,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 522 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 15:56:22,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2024-11-07 15:56:22,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 313. [2024-11-07 15:56:22,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 294 states have (on average 1.3231292517006803) internal successors, (389), 306 states have internal predecessors, (389), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 15:56:22,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 417 transitions. [2024-11-07 15:56:22,270 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 417 transitions. Word has length 13 [2024-11-07 15:56:22,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:56:22,270 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 417 transitions. [2024-11-07 15:56:22,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 15:56:22,271 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 417 transitions. [2024-11-07 15:56:22,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-07 15:56:22,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:56:22,271 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:56:22,275 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 15:56:22,472 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 15:56:22,472 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:56:22,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:56:22,473 INFO L85 PathProgramCache]: Analyzing trace with hash -1433712094, now seen corresponding path program 1 times [2024-11-07 15:56:22,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 15:56:22,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562767785] [2024-11-07 15:56:22,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:56:22,473 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 15:56:22,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 15:56:22,476 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 15:56:22,477 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 15:56:22,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:56:22,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 15:56:22,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:56:22,691 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 15:56:22,692 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 15:56:22,693 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 15:56:22,704 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 15:56:22,793 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:56:22,793 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 15:56:22,816 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 15:56:22,816 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:56:22,816 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 15:56:22,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [562767785] [2024-11-07 15:56:22,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [562767785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:56:22,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:56:22,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 15:56:22,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810051329] [2024-11-07 15:56:22,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:56:22,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 15:56:22,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 15:56:22,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 15:56:22,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 15:56:22,818 INFO L87 Difference]: Start difference. First operand 313 states and 417 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 15:56:23,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:56:23,419 INFO L93 Difference]: Finished difference Result 482 states and 651 transitions. [2024-11-07 15:56:23,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 15:56:23,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2024-11-07 15:56:23,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:56:23,422 INFO L225 Difference]: With dead ends: 482 [2024-11-07 15:56:23,422 INFO L226 Difference]: Without dead ends: 482 [2024-11-07 15:56:23,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 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 15:56:23,423 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 241 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 15:56:23,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 768 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 15:56:23,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2024-11-07 15:56:23,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 312. [2024-11-07 15:56:23,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 293 states have (on average 1.3208191126279865) internal successors, (387), 305 states have internal predecessors, (387), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 15:56:23,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 415 transitions. [2024-11-07 15:56:23,445 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 415 transitions. Word has length 13 [2024-11-07 15:56:23,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:56:23,445 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 415 transitions. [2024-11-07 15:56:23,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 15:56:23,445 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 415 transitions. [2024-11-07 15:56:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 15:56:23,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:56:23,449 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, 1] [2024-11-07 15:56:23,453 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 15:56:23,651 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 15:56:23,652 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:56:23,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:56:23,652 INFO L85 PathProgramCache]: Analyzing trace with hash -35781265, now seen corresponding path program 1 times [2024-11-07 15:56:23,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 15:56:23,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967248448] [2024-11-07 15:56:23,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:56:23,656 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 15:56:23,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 15:56:23,658 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 15:56:23,659 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 15:56:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:56:24,127 INFO L255 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 15:56:24,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:56:24,194 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 15:56:24,194 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:56:24,194 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 15:56:24,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967248448] [2024-11-07 15:56:24,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [967248448] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:56:24,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:56:24,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 15:56:24,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529174238] [2024-11-07 15:56:24,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:56:24,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 15:56:24,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 15:56:24,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 15:56:24,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 15:56:24,201 INFO L87 Difference]: Start difference. First operand 312 states and 415 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 15:56:24,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:56:24,363 INFO L93 Difference]: Finished difference Result 318 states and 405 transitions. [2024-11-07 15:56:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 15:56:24,364 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 84 [2024-11-07 15:56:24,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:56:24,366 INFO L225 Difference]: With dead ends: 318 [2024-11-07 15:56:24,366 INFO L226 Difference]: Without dead ends: 318 [2024-11-07 15:56:24,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 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 15:56:24,367 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 30 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 731 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 15:56:24,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 731 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 15:56:24,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-07 15:56:24,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2024-11-07 15:56:24,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 299 states have (on average 1.2608695652173914) internal successors, (377), 311 states have internal predecessors, (377), 15 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (13), 5 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 15:56:24,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 405 transitions. [2024-11-07 15:56:24,388 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 405 transitions. Word has length 84 [2024-11-07 15:56:24,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:56:24,388 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 405 transitions. [2024-11-07 15:56:24,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 15:56:24,389 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 405 transitions. [2024-11-07 15:56:24,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 15:56:24,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:56:24,394 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, 1] [2024-11-07 15:56:24,407 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 (5)] Forceful destruction successful, exit code 0 [2024-11-07 15:56:24,594 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 15:56:24,595 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:56:24,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:56:24,595 INFO L85 PathProgramCache]: Analyzing trace with hash -52592261, now seen corresponding path program 1 times [2024-11-07 15:56:24,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 15:56:24,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1440047431] [2024-11-07 15:56:24,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:56:24,596 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 15:56:24,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 15:56:24,600 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 15:56:24,601 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 15:56:24,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:56:25,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 15:56:25,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:56:25,047 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 15:56:25,048 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:56:25,048 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 15:56:25,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1440047431] [2024-11-07 15:56:25,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1440047431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:56:25,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:56:25,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 15:56:25,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627232300] [2024-11-07 15:56:25,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:56:25,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 15:56:25,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 15:56:25,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 15:56:25,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 15:56:25,050 INFO L87 Difference]: Start difference. First operand 318 states and 405 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 15:56:25,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:56:25,095 INFO L93 Difference]: Finished difference Result 321 states and 409 transitions. [2024-11-07 15:56:25,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 15:56:25,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 84 [2024-11-07 15:56:25,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:56:25,098 INFO L225 Difference]: With dead ends: 321 [2024-11-07 15:56:25,098 INFO L226 Difference]: Without dead ends: 321 [2024-11-07 15:56:25,098 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 81 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 15:56:25,099 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 0 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 794 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 15:56:25,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 794 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 15:56:25,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-07 15:56:25,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2024-11-07 15:56:25,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 301 states have (on average 1.2624584717607974) internal successors, (380), 314 states have internal predecessors, (380), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-07 15:56:25,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 409 transitions. [2024-11-07 15:56:25,108 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 409 transitions. Word has length 84 [2024-11-07 15:56:25,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:56:25,109 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 409 transitions. [2024-11-07 15:56:25,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 15:56:25,109 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 409 transitions. [2024-11-07 15:56:25,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 15:56:25,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:56:25,111 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, 1] [2024-11-07 15:56:25,121 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 15:56:25,311 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 15:56:25,312 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:56:25,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:56:25,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1009265529, now seen corresponding path program 1 times [2024-11-07 15:56:25,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 15:56:25,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [750036711] [2024-11-07 15:56:25,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:56:25,313 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 15:56:25,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 15:56:25,315 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 15:56:25,316 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 (7)] Waiting until timeout for monitored process [2024-11-07 15:56:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:56:25,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 15:56:25,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:56:25,776 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 15:56:25,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:56:25,887 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 15:56:25,887 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 15:56:25,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [750036711] [2024-11-07 15:56:25,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [750036711] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:56:25,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 15:56:25,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-07 15:56:25,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866678997] [2024-11-07 15:56:25,888 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 15:56:25,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 15:56:25,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 15:56:25,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 15:56:25,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 15:56:25,892 INFO L87 Difference]: Start difference. First operand 321 states and 409 transitions. Second operand has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 15:56:26,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:56:26,079 INFO L93 Difference]: Finished difference Result 332 states and 425 transitions. [2024-11-07 15:56:26,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 15:56:26,080 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 86 [2024-11-07 15:56:26,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:56:26,082 INFO L225 Difference]: With dead ends: 332 [2024-11-07 15:56:26,082 INFO L226 Difference]: Without dead ends: 332 [2024-11-07 15:56:26,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 164 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 15:56:26,083 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 5 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1058 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 15:56:26,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1058 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 15:56:26,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-07 15:56:26,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 330. [2024-11-07 15:56:26,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 309 states have (on average 1.2750809061488673) internal successors, (394), 322 states have internal predecessors, (394), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (14), 5 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-07 15:56:26,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 423 transitions. [2024-11-07 15:56:26,099 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 423 transitions. Word has length 86 [2024-11-07 15:56:26,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:56:26,099 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 423 transitions. [2024-11-07 15:56:26,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.25) internal successors, (90), 8 states have internal predecessors, (90), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 15:56:26,100 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 423 transitions. [2024-11-07 15:56:26,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-07 15:56:26,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:56:26,102 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] [2024-11-07 15:56:26,111 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 (7)] Ended with exit code 0 [2024-11-07 15:56:26,303 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 15:56:26,303 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:56:26,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:56:26,304 INFO L85 PathProgramCache]: Analyzing trace with hash 789414555, now seen corresponding path program 2 times [2024-11-07 15:56:26,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 15:56:26,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2100440336] [2024-11-07 15:56:26,305 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:56:26,305 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 15:56:26,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 15:56:26,308 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 15:56:26,309 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 15:56:26,576 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:56:26,577 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:56:26,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 15:56:26,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:56:26,656 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 15:56:26,657 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:56:26,657 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 15:56:26,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2100440336] [2024-11-07 15:56:26,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2100440336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:56:26,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:56:26,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 15:56:26,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639760692] [2024-11-07 15:56:26,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:56:26,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 15:56:26,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 15:56:26,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 15:56:26,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 15:56:26,659 INFO L87 Difference]: Start difference. First operand 330 states and 423 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 15:56:30,979 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 15:56:34,987 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 15:56:37,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:56:37,988 INFO L93 Difference]: Finished difference Result 473 states and 618 transitions. [2024-11-07 15:56:37,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 15:56:37,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 90 [2024-11-07 15:56:37,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:56:37,991 INFO L225 Difference]: With dead ends: 473 [2024-11-07 15:56:37,991 INFO L226 Difference]: Without dead ends: 473 [2024-11-07 15:56:37,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 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 15:56:37,992 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 575 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2024-11-07 15:56:37,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 460 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 119 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2024-11-07 15:56:37,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2024-11-07 15:56:38,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 448. [2024-11-07 15:56:38,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 421 states have (on average 1.2874109263657958) internal successors, (542), 439 states have internal predecessors, (542), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 7 states have call predecessors, (21), 19 states have call successors, (21) [2024-11-07 15:56:38,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 584 transitions. [2024-11-07 15:56:38,004 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 584 transitions. Word has length 90 [2024-11-07 15:56:38,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:56:38,005 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 584 transitions. [2024-11-07 15:56:38,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 15:56:38,005 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 584 transitions. [2024-11-07 15:56:38,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-07 15:56:38,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:56:38,007 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] [2024-11-07 15:56:38,012 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 15:56:38,211 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 15:56:38,211 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:56:38,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:56:38,212 INFO L85 PathProgramCache]: Analyzing trace with hash 184925927, now seen corresponding path program 1 times [2024-11-07 15:56:38,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 15:56:38,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2117805829] [2024-11-07 15:56:38,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:56:38,212 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 15:56:38,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 15:56:38,214 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 15:56:38,215 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 15:56:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:56:38,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 15:56:38,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:56:38,796 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 15:56:38,797 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:56:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 15:56:39,065 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 15:56:39,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2117805829] [2024-11-07 15:56:39,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2117805829] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:56:39,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 15:56:39,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-07 15:56:39,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371347841] [2024-11-07 15:56:39,066 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 15:56:39,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 15:56:39,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 15:56:39,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 15:56:39,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-07 15:56:39,068 INFO L87 Difference]: Start difference. First operand 448 states and 584 transitions. Second operand has 14 states, 14 states have (on average 7.571428571428571) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 15:56:39,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:56:39,574 INFO L93 Difference]: Finished difference Result 463 states and 607 transitions. [2024-11-07 15:56:39,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 15:56:39,575 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.571428571428571) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 100 [2024-11-07 15:56:39,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:56:39,578 INFO L225 Difference]: With dead ends: 463 [2024-11-07 15:56:39,578 INFO L226 Difference]: Without dead ends: 459 [2024-11-07 15:56:39,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 186 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 15:56:39,580 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 7 mSDsluCounter, 1845 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2111 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 15:56:39,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2111 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 15:56:39,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-11-07 15:56:39,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 457. [2024-11-07 15:56:39,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 430 states have (on average 1.2883720930232558) internal successors, (554), 448 states have internal predecessors, (554), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 7 states have call predecessors, (21), 19 states have call successors, (21) [2024-11-07 15:56:39,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 596 transitions. [2024-11-07 15:56:39,593 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 596 transitions. Word has length 100 [2024-11-07 15:56:39,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:56:39,594 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 596 transitions. [2024-11-07 15:56:39,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.571428571428571) internal successors, (106), 14 states have internal predecessors, (106), 2 states have call successors, (3), 2 states have call predecessors, (3), 4 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 15:56:39,594 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 596 transitions. [2024-11-07 15:56:39,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-07 15:56:39,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:56:39,595 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] [2024-11-07 15:56:39,606 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 (9)] Forceful destruction successful, exit code 0 [2024-11-07 15:56:39,800 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 15:56:39,800 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:56:39,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:56:39,800 INFO L85 PathProgramCache]: Analyzing trace with hash -626403714, now seen corresponding path program 2 times [2024-11-07 15:56:39,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 15:56:39,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1930344962] [2024-11-07 15:56:39,801 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:56:39,801 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 15:56:39,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 15:56:39,805 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 15:56:39,806 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 15:56:40,138 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:56:40,138 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:56:40,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 15:56:40,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:56:40,161 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 15:56:40,162 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 15:56:40,162 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-07 15:56:40,166 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 15:56:40,227 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-07 15:56:40,228 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 15:56:40,242 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-11-07 15:56:40,243 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:56:40,243 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 15:56:40,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1930344962] [2024-11-07 15:56:40,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1930344962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:56:40,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:56:40,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 15:56:40,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74290684] [2024-11-07 15:56:40,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:56:40,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 15:56:40,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 15:56:40,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 15:56:40,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 15:56:40,245 INFO L87 Difference]: Start difference. First operand 457 states and 596 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 15:56:40,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:56:40,685 INFO L93 Difference]: Finished difference Result 668 states and 891 transitions. [2024-11-07 15:56:40,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 15:56:40,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 109 [2024-11-07 15:56:40,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:56:40,689 INFO L225 Difference]: With dead ends: 668 [2024-11-07 15:56:40,689 INFO L226 Difference]: Without dead ends: 668 [2024-11-07 15:56:40,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 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 15:56:40,691 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 187 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 15:56:40,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 743 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 15:56:40,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2024-11-07 15:56:40,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 461. [2024-11-07 15:56:40,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 434 states have (on average 1.2857142857142858) internal successors, (558), 452 states have internal predecessors, (558), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 7 states have call predecessors, (21), 19 states have call successors, (21) [2024-11-07 15:56:40,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 600 transitions. [2024-11-07 15:56:40,706 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 600 transitions. Word has length 109 [2024-11-07 15:56:40,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:56:40,707 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 600 transitions. [2024-11-07 15:56:40,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 15:56:40,707 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 600 transitions. [2024-11-07 15:56:40,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-07 15:56:40,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:56:40,709 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:56:40,716 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 (10)] Ended with exit code 0 [2024-11-07 15:56:40,910 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 15:56:40,910 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:56:40,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:56:40,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1767414370, now seen corresponding path program 1 times [2024-11-07 15:56:40,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 15:56:40,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1712679692] [2024-11-07 15:56:40,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:56:40,911 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 15:56:40,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 15:56:40,913 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 15:56:40,914 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 15:56:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:56:41,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 726 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 15:56:41,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:56:41,703 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 15:56:41,704 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:56:42,404 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 15:56:42,404 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 15:56:42,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1712679692] [2024-11-07 15:56:42,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1712679692] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:56:42,404 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 15:56:42,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2024-11-07 15:56:42,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19015661] [2024-11-07 15:56:42,405 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 15:56:42,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-07 15:56:42,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 15:56:42,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-07 15:56:42,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2024-11-07 15:56:42,407 INFO L87 Difference]: Start difference. First operand 461 states and 600 transitions. Second operand has 26 states, 26 states have (on average 5.769230769230769) internal successors, (150), 26 states have internal predecessors, (150), 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 15:56:44,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:56:44,216 INFO L93 Difference]: Finished difference Result 485 states and 641 transitions. [2024-11-07 15:56:44,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-07 15:56:44,219 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 5.769230769230769) internal successors, (150), 26 states have internal predecessors, (150), 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 142 [2024-11-07 15:56:44,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:56:44,221 INFO L225 Difference]: With dead ends: 485 [2024-11-07 15:56:44,223 INFO L226 Difference]: Without dead ends: 481 [2024-11-07 15:56:44,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 258 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 15:56:44,225 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 13 mSDsluCounter, 4212 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 4478 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 15:56:44,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 4478 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 15:56:44,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2024-11-07 15:56:44,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 479. [2024-11-07 15:56:44,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 452 states have (on average 1.2876106194690264) internal successors, (582), 470 states have internal predecessors, (582), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 7 states have call predecessors, (21), 19 states have call successors, (21) [2024-11-07 15:56:44,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 624 transitions. [2024-11-07 15:56:44,239 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 624 transitions. Word has length 142 [2024-11-07 15:56:44,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:56:44,239 INFO L471 AbstractCegarLoop]: Abstraction has 479 states and 624 transitions. [2024-11-07 15:56:44,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.769230769230769) internal successors, (150), 26 states have internal predecessors, (150), 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 15:56:44,240 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 624 transitions. [2024-11-07 15:56:44,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 15:56:44,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:56:44,242 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:56:44,256 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 (11)] Forceful destruction successful, exit code 0 [2024-11-07 15:56:44,442 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 15:56:44,443 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:56:44,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:56:44,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1750486466, now seen corresponding path program 2 times [2024-11-07 15:56:44,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 15:56:44,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1143889800] [2024-11-07 15:56:44,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:56:44,445 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 15:56:44,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 15:56:44,447 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 15:56:44,450 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 15:56:44,840 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:56:44,841 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:56:44,846 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 15:56:44,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:56:44,886 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 15:56:44,887 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:56:44,887 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 15:56:44,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1143889800] [2024-11-07 15:56:44,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1143889800] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:56:44,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:56:44,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 15:56:44,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037859204] [2024-11-07 15:56:44,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:56:44,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 15:56:44,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 15:56:44,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 15:56:44,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 15:56:44,888 INFO L87 Difference]: Start difference. First operand 479 states and 624 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 15:56:45,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:56:45,042 INFO L93 Difference]: Finished difference Result 539 states and 684 transitions. [2024-11-07 15:56:45,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 15:56:45,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 160 [2024-11-07 15:56:45,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:56:45,046 INFO L225 Difference]: With dead ends: 539 [2024-11-07 15:56:45,046 INFO L226 Difference]: Without dead ends: 539 [2024-11-07 15:56:45,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 158 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 15:56:45,047 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 5 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 15:56:45,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 483 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 15:56:45,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-07 15:56:45,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 539. [2024-11-07 15:56:45,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 512 states have (on average 1.25390625) internal successors, (642), 530 states have internal predecessors, (642), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 7 states have call predecessors, (21), 19 states have call successors, (21) [2024-11-07 15:56:45,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 684 transitions. [2024-11-07 15:56:45,060 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 684 transitions. Word has length 160 [2024-11-07 15:56:45,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:56:45,061 INFO L471 AbstractCegarLoop]: Abstraction has 539 states and 684 transitions. [2024-11-07 15:56:45,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 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 15:56:45,061 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 684 transitions. [2024-11-07 15:56:45,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 15:56:45,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:56:45,063 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:56:45,069 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 15:56:45,263 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 15:56:45,264 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:56:45,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:56:45,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1381108026, now seen corresponding path program 1 times [2024-11-07 15:56:45,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 15:56:45,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898034409] [2024-11-07 15:56:45,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:56:45,265 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 15:56:45,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 15:56:45,269 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 15:56:45,271 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 15:56:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:56:45,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-07 15:56:45,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:56:46,563 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 15:56:46,564 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:56:48,420 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 15:56:48,421 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 15:56:48,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898034409] [2024-11-07 15:56:48,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [898034409] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:56:48,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 15:56:48,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50 [2024-11-07 15:56:48,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605976643] [2024-11-07 15:56:48,421 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 15:56:48,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-11-07 15:56:48,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 15:56:48,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-11-07 15:56:48,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450 [2024-11-07 15:56:48,424 INFO L87 Difference]: Start difference. First operand 539 states and 684 transitions. Second operand has 50 states, 50 states have (on average 3.48) internal successors, (174), 50 states have internal predecessors, (174), 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 15:56:56,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:56:56,350 INFO L93 Difference]: Finished difference Result 579 states and 757 transitions. [2024-11-07 15:56:56,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-07 15:56:56,351 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 3.48) internal successors, (174), 50 states have internal predecessors, (174), 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 160 [2024-11-07 15:56:56,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:56:56,353 INFO L225 Difference]: With dead ends: 579 [2024-11-07 15:56:56,353 INFO L226 Difference]: Without dead ends: 575 [2024-11-07 15:56:56,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556 [2024-11-07 15:56:56,356 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 25 mSDsluCounter, 6597 mSDsCounter, 0 mSdLazyCounter, 1917 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 6863 SdHoareTripleChecker+Invalid, 1942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-07 15:56:56,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 6863 Invalid, 1942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1917 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-07 15:56:56,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-11-07 15:56:56,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 573. [2024-11-07 15:56:56,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 546 states have (on average 1.26007326007326) internal successors, (688), 564 states have internal predecessors, (688), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 7 states have call predecessors, (21), 19 states have call successors, (21) [2024-11-07 15:56:56,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 730 transitions. [2024-11-07 15:56:56,368 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 730 transitions. Word has length 160 [2024-11-07 15:56:56,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:56:56,369 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 730 transitions. [2024-11-07 15:56:56,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 3.48) internal successors, (174), 50 states have internal predecessors, (174), 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 15:56:56,369 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 730 transitions. [2024-11-07 15:56:56,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-07 15:56:56,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:56:56,371 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:56:56,388 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 15:56:56,571 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 15:56:56,572 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:56:56,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:56:56,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1956687462, now seen corresponding path program 2 times [2024-11-07 15:56:56,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 15:56:56,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1529342751] [2024-11-07 15:56:56,573 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:56:56,573 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 15:56:56,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 15:56:56,575 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 15:56:56,576 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 15:56:56,998 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 15:56:56,998 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:56:57,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 15:56:57,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:56:57,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2351 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2351 trivial. 0 not checked. [2024-11-07 15:56:57,037 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 15:56:57,037 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 15:56:57,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1529342751] [2024-11-07 15:56:57,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1529342751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 15:56:57,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 15:56:57,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 15:56:57,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468951987] [2024-11-07 15:56:57,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 15:56:57,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 15:56:57,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 15:56:57,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 15:56:57,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 15:56:57,039 INFO L87 Difference]: Start difference. First operand 573 states and 730 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 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 15:56:57,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:56:57,204 INFO L93 Difference]: Finished difference Result 522 states and 646 transitions. [2024-11-07 15:56:57,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 15:56:57,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 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 194 [2024-11-07 15:56:57,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:56:57,206 INFO L225 Difference]: With dead ends: 522 [2024-11-07 15:56:57,206 INFO L226 Difference]: Without dead ends: 522 [2024-11-07 15:56:57,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 191 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 15:56:57,207 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 32 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 15:56:57,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 694 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 15:56:57,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2024-11-07 15:56:57,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 522. [2024-11-07 15:56:57,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 495 states have (on average 1.2202020202020203) internal successors, (604), 513 states have internal predecessors, (604), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 7 states have call predecessors, (21), 19 states have call successors, (21) [2024-11-07 15:56:57,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 646 transitions. [2024-11-07 15:56:57,222 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 646 transitions. Word has length 194 [2024-11-07 15:56:57,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:56:57,222 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 646 transitions. [2024-11-07 15:56:57,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 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 15:56:57,222 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 646 transitions. [2024-11-07 15:56:57,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-07 15:56:57,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:56:57,225 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 15:56:57,231 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 (14)] Forceful destruction successful, exit code 0 [2024-11-07 15:56:57,425 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 15:56:57,425 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:56:57,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:56:57,426 INFO L85 PathProgramCache]: Analyzing trace with hash -314343656, now seen corresponding path program 1 times [2024-11-07 15:56:57,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 15:56:57,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853641692] [2024-11-07 15:56:57,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 15:56:57,427 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 15:56:57,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 15:56:57,429 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 15:56:57,430 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 15:56:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 15:56:58,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 1288 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-07 15:56:58,522 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:56:59,014 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 15:56:59,014 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:57:01,041 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 15:57:01,042 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 15:57:01,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [853641692] [2024-11-07 15:57:01,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [853641692] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:57:01,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 15:57:01,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 52 [2024-11-07 15:57:01,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170505818] [2024-11-07 15:57:01,042 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 15:57:01,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-07 15:57:01,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 15:57:01,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-07 15:57:01,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=726, Invalid=1926, Unknown=0, NotChecked=0, Total=2652 [2024-11-07 15:57:01,044 INFO L87 Difference]: Start difference. First operand 522 states and 646 transitions. Second operand has 52 states, 52 states have (on average 3.3076923076923075) internal successors, (172), 52 states have internal predecessors, (172), 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 15:57:10,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 15:57:10,512 INFO L93 Difference]: Finished difference Result 551 states and 702 transitions. [2024-11-07 15:57:10,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-11-07 15:57:10,513 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 3.3076923076923075) internal successors, (172), 52 states have internal predecessors, (172), 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 194 [2024-11-07 15:57:10,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 15:57:10,516 INFO L225 Difference]: With dead ends: 551 [2024-11-07 15:57:10,516 INFO L226 Difference]: Without dead ends: 551 [2024-11-07 15:57:10,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1633 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=3146, Invalid=6556, Unknown=0, NotChecked=0, Total=9702 [2024-11-07 15:57:10,519 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 27 mSDsluCounter, 6553 mSDsCounter, 0 mSdLazyCounter, 1400 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 6807 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 1400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-07 15:57:10,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 6807 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 1400 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-07 15:57:10,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-07 15:57:10,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 547. [2024-11-07 15:57:10,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 520 states have (on average 1.2576923076923077) internal successors, (654), 538 states have internal predecessors, (654), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 7 states have call predecessors, (21), 19 states have call successors, (21) [2024-11-07 15:57:10,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 696 transitions. [2024-11-07 15:57:10,533 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 696 transitions. Word has length 194 [2024-11-07 15:57:10,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 15:57:10,534 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 696 transitions. [2024-11-07 15:57:10,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.3076923076923075) internal successors, (172), 52 states have internal predecessors, (172), 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 15:57:10,534 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 696 transitions. [2024-11-07 15:57:10,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-07 15:57:10,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 15:57:10,536 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 15:57:10,562 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 15:57:10,737 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 15:57:10,738 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-07 15:57:10,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 15:57:10,738 INFO L85 PathProgramCache]: Analyzing trace with hash -62398417, now seen corresponding path program 2 times [2024-11-07 15:57:10,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 15:57:10,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1303754681] [2024-11-07 15:57:10,740 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 15:57:10,740 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 15:57:10,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 15:57:10,742 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 15:57:10,746 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 15:57:12,531 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 15:57:12,531 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 15:57:12,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 1563 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-07 15:57:12,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 15:57:15,755 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 15:57:15,755 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 15:57:24,710 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 15:57:24,710 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 15:57:24,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1303754681] [2024-11-07 15:57:24,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1303754681] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 15:57:24,710 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 15:57:24,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 52] total 102 [2024-11-07 15:57:24,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294825128] [2024-11-07 15:57:24,710 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 15:57:24,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-11-07 15:57:24,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 15:57:24,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-11-07 15:57:24,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=7601, Unknown=0, NotChecked=0, Total=10302 [2024-11-07 15:57:24,714 INFO L87 Difference]: Start difference. First operand 547 states and 696 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)