./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for memory safety (deref-memtrack)
Using default analysis
Version 4f9af400
extending candidate: java
['java']
extending candidate: /usr/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/oracle-jdk-bin-*/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/openjdk-*/bin/java
['java', '/usr/bin/java']
extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java
['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java']
['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml', '-i', '../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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-free) )\nCHECK( init(main()), LTL(G valid-deref) )\nCHECK( init(main()), LTL(G valid-memtrack) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3']
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 18:51:08,546 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 18:51:08,636 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-11-07 18:51:08,643 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 18:51:08,645 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 18:51:08,675 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 18:51:08,677 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 18:51:08,677 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 18:51:08,678 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 18:51:08,678 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 18:51:08,678 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 18:51:08,678 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 18:51:08,678 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 18:51:08,679 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 18:51:08,679 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 18:51:08,680 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 18:51:08,680 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-07 18:51:08,680 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-07 18:51:08,680 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-07 18:51:08,680 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 18:51:08,680 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2024-11-07 18:51:08,680 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2024-11-07 18:51:08,680 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2024-11-07 18:51:08,680 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 18:51:08,681 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-07 18:51:08,681 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 18:51:08,681 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-07 18:51:08,681 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-07 18:51:08,681 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 18:51:08,681 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 18:51:08,681 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 18:51:08,681 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 18:51:08,681 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 18:51:08,681 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 18:51:08,681 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 18:51:08,681 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 18:51:08,681 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-07 18:51:08,681 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 18:51:08,681 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 18:51:08,682 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 18:51:08,682 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 18:51:08,682 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 18:51:08,682 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-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3
[2024-11-07 18:51:08,966 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 18:51:08,974 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 18:51:08,978 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 18:51:08,980 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 18:51:08,980 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 18:51:08,982 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i
[2024-11-07 18:51:10,360 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 18:51:10,695 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 18:51:10,695 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i
[2024-11-07 18:51:10,716 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f765a020c/512b19da3d234ff8a0cf214fb36ba83b/FLAGcf9a7d245
[2024-11-07 18:51:10,930 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f765a020c/512b19da3d234ff8a0cf214fb36ba83b
[2024-11-07 18:51:10,933 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 18:51:10,935 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 18:51:10,937 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 18:51:10,937 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 18:51:10,941 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 18:51:10,942 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:51:10" (1/1) ...
[2024-11-07 18:51:10,943 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155ec1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:10, skipping insertion in model container
[2024-11-07 18:51:10,943 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:51:10" (1/1) ...
[2024-11-07 18:51:10,977 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 18:51:11,300 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 18:51:11,329 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 18:51:11,333 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 18:51:11,338 WARN  L1070              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-07 18:51:11,346 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 18:51:11,380 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 18:51:11,381 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 18:51:11,383 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 18:51:11,383 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 18:51:11,386 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 18:51:11,389 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 18:51:11,389 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 18:51:11,390 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 18:51:11,395 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 18:51:11,397 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 18:51:11,399 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 18:51:11,400 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 18:51:11,402 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 18:51:11,402 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 18:51:11,406 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 18:51:11,416 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 18:51:11,431 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 18:51:11,433 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60db3cca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:11, skipping insertion in model container
[2024-11-07 18:51:11,433 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 18:51:11,434 INFO  L186        ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2024-11-07 18:51:11,436 INFO  L158              Benchmark]: Toolchain (without parser) took 500.01ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 69.8MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-07 18:51:11,437 INFO  L158              Benchmark]: CDTParser took 0.88ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 18:51:11,440 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 497.12ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 69.8MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-07 18:51:11,441 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.88ms. Allocated memory is still 117.4MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 497.12ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 69.8MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - UnsupportedSyntaxResult [Line: 747]: Unsupported Syntax
    Found a cast between two array/pointer types of different sizes while using memory model HoenickeLindenmann_Original (while Not using bitvector translation)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 18:51:13,626 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 18:51:13,716 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2024-11-07 18:51:13,722 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 18:51:13,722 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 18:51:13,754 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 18:51:13,755 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 18:51:13,755 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 18:51:13,756 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 18:51:13,756 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 18:51:13,757 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 18:51:13,757 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 18:51:13,758 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 18:51:13,758 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 18:51:13,758 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 18:51:13,758 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 18:51:13,758 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-07 18:51:13,758 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-07 18:51:13,758 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-07 18:51:13,758 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 18:51:13,758 INFO  L153        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2024-11-07 18:51:13,758 INFO  L153        SettingsManager]:  * Bitprecise bitfields=true
[2024-11-07 18:51:13,758 INFO  L153        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2024-11-07 18:51:13,758 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 18:51:13,758 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-07 18:51:13,759 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-07 18:51:13,759 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 18:51:13,759 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-07 18:51:13,759 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-07 18:51:13,759 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-07 18:51:13,759 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 18:51:13,759 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 18:51:13,759 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 18:51:13,759 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 18:51:13,759 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 18:51:13,759 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 18:51:13,759 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 18:51:13,759 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 18:51:13,759 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-07 18:51:13,759 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-07 18:51:13,760 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 18:51:13,760 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 18:51:13,760 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 18:51:13,760 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 18:51:13,760 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-free) )
CHECK( init(main()), LTL(G valid-deref) )
CHECK( init(main()), LTL(G valid-memtrack) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 096e364e485b0e5279ae2fe39d9edab416c1da593e20bd1edd3d0a079c23fdc3
[2024-11-07 18:51:14,046 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 18:51:14,054 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 18:51:14,056 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 18:51:14,058 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 18:51:14,058 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 18:51:14,059 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i
[2024-11-07 18:51:15,435 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 18:51:15,746 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 18:51:15,747 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-2.i
[2024-11-07 18:51:15,764 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c161f089/9334ed20fcea4ec0a0d45a1343d67ad2/FLAG839ceb66a
[2024-11-07 18:51:15,997 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0c161f089/9334ed20fcea4ec0a0d45a1343d67ad2
[2024-11-07 18:51:15,999 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 18:51:16,000 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 18:51:16,001 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 18:51:16,002 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 18:51:16,005 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 18:51:16,005 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:51:15" (1/1) ...
[2024-11-07 18:51:16,006 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59686ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:16, skipping insertion in model container
[2024-11-07 18:51:16,006 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:51:15" (1/1) ...
[2024-11-07 18:51:16,042 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 18:51:16,348 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 18:51:16,374 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 18:51:16,378 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 18:51:16,382 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 18:51:16,389 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 18:51:16,427 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 18:51:16,427 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 18:51:16,432 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 18:51:16,432 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 18:51:16,434 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 18:51:16,436 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 18:51:16,436 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 18:51:16,437 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 18:51:16,441 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 18:51:16,442 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 18:51:16,444 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 18:51:16,445 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 18:51:16,446 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 18:51:16,447 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 18:51:16,455 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 18:51:16,463 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 18:51:16,478 INFO  L197         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2024-11-07 18:51:16,490 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 18:51:16,517 WARN  L1070              CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-07 18:51:16,529 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 18:51:16,531 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 18:51:16,537 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 18:51:16,545 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 18:51:16,563 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 18:51:16,564 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 18:51:16,565 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 18:51:16,566 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 18:51:16,568 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 18:51:16,568 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 18:51:16,569 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 18:51:16,570 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 18:51:16,573 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 18:51:16,573 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 18:51:16,575 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 18:51:16,576 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 18:51:16,576 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 18:51:16,577 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 18:51:16,580 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 18:51:16,583 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 18:51:16,587 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 18:51:16,663 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 18:51:16,702 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 18:51:16,703 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:16 WrapperNode
[2024-11-07 18:51:16,703 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 18:51:16,704 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 18:51:16,704 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 18:51:16,704 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 18:51:16,710 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:16" (1/1) ...
[2024-11-07 18:51:16,756 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:16" (1/1) ...
[2024-11-07 18:51:16,835 INFO  L138                Inliner]: procedures = 180, calls = 330, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1236
[2024-11-07 18:51:16,836 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 18:51:16,837 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 18:51:16,837 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 18:51:16,837 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 18:51:16,846 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:16" (1/1) ...
[2024-11-07 18:51:16,865 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:16" (1/1) ...
[2024-11-07 18:51:16,881 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:16" (1/1) ...
[2024-11-07 18:51:16,991 INFO  L175           MemorySlicer]: Split 303 memory accesses to 3 slices as follows [34, 2, 267]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 2, 0]. The 62 writes are split as follows [4, 0, 58].
[2024-11-07 18:51:16,992 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:16" (1/1) ...
[2024-11-07 18:51:16,992 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:16" (1/1) ...
[2024-11-07 18:51:17,045 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:16" (1/1) ...
[2024-11-07 18:51:17,063 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:16" (1/1) ...
[2024-11-07 18:51:17,068 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:16" (1/1) ...
[2024-11-07 18:51:17,076 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:16" (1/1) ...
[2024-11-07 18:51:17,085 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 18:51:17,089 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 18:51:17,090 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 18:51:17,090 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 18:51:17,091 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:16" (1/1) ...
[2024-11-07 18:51:17,098 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 18:51:17,111 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 18:51:17,124 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 18:51:17,128 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 18:51:17,154 INFO  L130     BoogieDeclarations]: Found specification of procedure reach_error
[2024-11-07 18:51:17,154 INFO  L138     BoogieDeclarations]: Found implementation of procedure reach_error
[2024-11-07 18:51:17,155 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0
[2024-11-07 18:51:17,155 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1
[2024-11-07 18:51:17,156 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2
[2024-11-07 18:51:17,156 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-07 18:51:17,156 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-07 18:51:17,156 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-07 18:51:17,156 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-07 18:51:17,156 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-07 18:51:17,156 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0
[2024-11-07 18:51:17,156 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1
[2024-11-07 18:51:17,156 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2
[2024-11-07 18:51:17,156 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0
[2024-11-07 18:51:17,156 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1
[2024-11-07 18:51:17,156 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2
[2024-11-07 18:51:17,156 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-07 18:51:17,156 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 18:51:17,156 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-07 18:51:17,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-07 18:51:17,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-11-07 18:51:17,157 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-07 18:51:17,157 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-07 18:51:17,157 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-07 18:51:17,157 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-07 18:51:17,157 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-07 18:51:17,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-07 18:51:17,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-07 18:51:17,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-11-07 18:51:17,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-07 18:51:17,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-07 18:51:17,157 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-07 18:51:17,157 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 18:51:17,157 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 18:51:17,421 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 18:51:17,423 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 18:51:17,446 WARN  L781   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-11-07 18:51:17,484 WARN  L781   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-11-07 18:51:17,511 WARN  L781   $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-11-07 18:51:21,780 INFO  L?                        ?]: Removed 1313 outVars from TransFormulas that were not future-live.
[2024-11-07 18:51:21,780 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 18:51:21,821 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 18:51:21,822 INFO  L316             CfgBuilder]: Removed 72 assume(true) statements.
[2024-11-07 18:51:21,822 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:51:21 BoogieIcfgContainer
[2024-11-07 18:51:21,822 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 18:51:21,825 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 18:51:21,826 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 18:51:21,830 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 18:51:21,830 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:51:15" (1/3) ...
[2024-11-07 18:51:21,831 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d8c9a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:51:21, skipping insertion in model container
[2024-11-07 18:51:21,831 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:51:16" (2/3) ...
[2024-11-07 18:51:21,831 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d8c9a47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:51:21, skipping insertion in model container
[2024-11-07 18:51:21,831 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:51:21" (3/3) ...
[2024-11-07 18:51:21,832 INFO  L112   eAbstractionObserver]: Analyzing ICFG uthash_JEN_test3-2.i
[2024-11-07 18:51:21,846 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 18:51:21,847 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 632 error locations.
[2024-11-07 18:51:21,907 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 18:51:21,918 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;@3899a219, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 18:51:21,919 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 632 error locations.
[2024-11-07 18:51:21,929 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 1275 states, 632 states have (on average 2.231012658227848) internal successors, (1410), 1268 states have internal predecessors, (1410), 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 18:51:21,934 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2024-11-07 18:51:21,935 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:21,935 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1]
[2024-11-07 18:51:21,936 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:21,940 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:21,941 INFO  L85        PathProgramCache]: Analyzing trace with hash 65605, now seen corresponding path program 1 times
[2024-11-07 18:51:21,949 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:21,949 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2117702912]
[2024-11-07 18:51:21,949 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:21,950 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 18:51:21,950 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:21,954 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 18:51:21,956 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 18:51:22,108 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:22,110 INFO  L255         TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:22,114 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:22,146 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7
[2024-11-07 18:51:22,165 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 18:51:22,165 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:22,166 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:22,166 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2117702912]
[2024-11-07 18:51:22,166 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2117702912] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:22,166 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:22,167 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 18:51:22,168 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27589727]
[2024-11-07 18:51:22,168 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:22,171 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 18:51:22,172 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:22,193 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 18:51:22,194 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 18:51:22,199 INFO  L87              Difference]: Start difference. First operand  has 1275 states, 632 states have (on average 2.231012658227848) internal successors, (1410), 1268 states have internal predecessors, (1410), 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 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 18:51:24,123 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:24,123 INFO  L93              Difference]: Finished difference Result 1449 states and 1535 transitions.
[2024-11-07 18:51:24,124 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 18:51:24,125 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3
[2024-11-07 18:51:24,126 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:24,140 INFO  L225             Difference]: With dead ends: 1449
[2024-11-07 18:51:24,140 INFO  L226             Difference]: Without dead ends: 1447
[2024-11-07 18:51:24,142 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 18:51:24,144 INFO  L432           NwaCegarLoop]: 776 mSDtfsCounter, 1172 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1180 SdHoareTripleChecker+Valid, 943 SdHoareTripleChecker+Invalid, 764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:24,145 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1180 Valid, 943 Invalid, 764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-07 18:51:24,161 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1447 states.
[2024-11-07 18:51:24,231 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1447 to 1260.
[2024-11-07 18:51:24,234 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1260 states, 634 states have (on average 2.080441640378549) internal successors, (1319), 1253 states have internal predecessors, (1319), 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 18:51:24,239 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 1337 transitions.
[2024-11-07 18:51:24,241 INFO  L78                 Accepts]: Start accepts. Automaton has 1260 states and 1337 transitions. Word has length 3
[2024-11-07 18:51:24,241 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:24,241 INFO  L471      AbstractCegarLoop]: Abstraction has 1260 states and 1337 transitions.
[2024-11-07 18:51:24,241 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 18:51:24,242 INFO  L276                IsEmpty]: Start isEmpty. Operand 1260 states and 1337 transitions.
[2024-11-07 18:51:24,242 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2024-11-07 18:51:24,242 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:24,242 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1]
[2024-11-07 18:51:24,246 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 18:51:24,444 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 18:51:24,445 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:24,445 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:24,445 INFO  L85        PathProgramCache]: Analyzing trace with hash 65606, now seen corresponding path program 1 times
[2024-11-07 18:51:24,446 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:24,446 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [826805634]
[2024-11-07 18:51:24,446 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:24,446 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 18:51:24,446 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:24,448 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 18:51:24,449 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 18:51:24,561 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:24,562 INFO  L255         TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:24,565 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:24,577 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2024-11-07 18:51:24,589 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 18:51:24,589 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:24,590 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:24,590 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [826805634]
[2024-11-07 18:51:24,590 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [826805634] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:24,590 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:24,590 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 18:51:24,590 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651929875]
[2024-11-07 18:51:24,590 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:24,591 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 18:51:24,591 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:24,591 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 18:51:24,591 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 18:51:24,592 INFO  L87              Difference]: Start difference. First operand 1260 states and 1337 transitions. Second operand  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 18:51:27,559 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:27,559 INFO  L93              Difference]: Finished difference Result 1879 states and 2009 transitions.
[2024-11-07 18:51:27,560 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 18:51:27,560 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 3
[2024-11-07 18:51:27,560 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:27,567 INFO  L225             Difference]: With dead ends: 1879
[2024-11-07 18:51:27,567 INFO  L226             Difference]: Without dead ends: 1879
[2024-11-07 18:51:27,568 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 18:51:27,568 INFO  L432           NwaCegarLoop]: 1040 mSDtfsCounter, 660 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:27,568 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [665 Valid, 1749 Invalid, 910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time]
[2024-11-07 18:51:27,571 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1879 states.
[2024-11-07 18:51:27,596 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1879 to 1468.
[2024-11-07 18:51:27,598 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1468 states, 843 states have (on average 2.0652431791221826) internal successors, (1741), 1461 states have internal predecessors, (1741), 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 18:51:27,604 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1468 states and 1759 transitions.
[2024-11-07 18:51:27,604 INFO  L78                 Accepts]: Start accepts. Automaton has 1468 states and 1759 transitions. Word has length 3
[2024-11-07 18:51:27,605 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:27,605 INFO  L471      AbstractCegarLoop]: Abstraction has 1468 states and 1759 transitions.
[2024-11-07 18:51:27,605 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 18:51:27,605 INFO  L276                IsEmpty]: Start isEmpty. Operand 1468 states and 1759 transitions.
[2024-11-07 18:51:27,605 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-07 18:51:27,605 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:27,606 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-07 18:51:27,608 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 18:51:27,806 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 18:51:27,806 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:27,807 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:27,807 INFO  L85        PathProgramCache]: Analyzing trace with hash 458521935, now seen corresponding path program 1 times
[2024-11-07 18:51:27,807 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:27,807 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108087918]
[2024-11-07 18:51:27,807 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:27,807 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 18:51:27,808 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:27,811 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 18:51:27,812 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 18:51:27,949 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:27,952 INFO  L255         TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:27,954 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:27,967 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2024-11-07 18:51:27,978 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7
[2024-11-07 18:51:28,050 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-07 18:51:28,051 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9
[2024-11-07 18:51:28,069 INFO  L349             Elim1Store]: treesize reduction 6, result has 40.0 percent of original size
[2024-11-07 18:51:28,069 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13
[2024-11-07 18:51:28,093 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 18:51:28,093 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:28,093 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:28,094 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108087918]
[2024-11-07 18:51:28,094 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [108087918] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:28,094 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:28,094 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 18:51:28,094 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396953933]
[2024-11-07 18:51:28,094 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:28,094 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 18:51:28,095 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:28,095 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 18:51:28,095 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:51:28,095 INFO  L87              Difference]: Start difference. First operand 1468 states and 1759 transitions. Second operand  has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 18:51:30,809 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:30,809 INFO  L93              Difference]: Finished difference Result 1649 states and 1951 transitions.
[2024-11-07 18:51:30,811 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 18:51:30,811 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7
[2024-11-07 18:51:30,811 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:30,827 INFO  L225             Difference]: With dead ends: 1649
[2024-11-07 18:51:30,828 INFO  L226             Difference]: Without dead ends: 1649
[2024-11-07 18:51:30,829 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:51:30,832 INFO  L432           NwaCegarLoop]: 456 mSDtfsCounter, 1474 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1482 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:30,832 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1482 Valid, 566 Invalid, 1140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-11-07 18:51:30,835 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1649 states.
[2024-11-07 18:51:30,857 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1649 to 1248.
[2024-11-07 18:51:30,859 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1248 states, 634 states have (on average 2.0599369085173502) internal successors, (1306), 1241 states have internal predecessors, (1306), 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 18:51:30,863 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1324 transitions.
[2024-11-07 18:51:30,864 INFO  L78                 Accepts]: Start accepts. Automaton has 1248 states and 1324 transitions. Word has length 7
[2024-11-07 18:51:30,864 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:30,864 INFO  L471      AbstractCegarLoop]: Abstraction has 1248 states and 1324 transitions.
[2024-11-07 18:51:30,865 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 18:51:30,865 INFO  L276                IsEmpty]: Start isEmpty. Operand 1248 states and 1324 transitions.
[2024-11-07 18:51:30,866 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-07 18:51:30,866 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:30,866 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 18:51:30,871 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 18:51:31,066 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 18:51:31,068 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:31,068 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:31,068 INFO  L85        PathProgramCache]: Analyzing trace with hash 1329278099, now seen corresponding path program 1 times
[2024-11-07 18:51:31,069 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:31,071 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [596483102]
[2024-11-07 18:51:31,071 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:31,071 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 18:51:31,071 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:31,073 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 18:51:31,077 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 18:51:31,196 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:31,199 INFO  L255         TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:31,201 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:31,213 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2024-11-07 18:51:31,243 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 18:51:31,244 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:31,244 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:31,244 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [596483102]
[2024-11-07 18:51:31,244 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [596483102] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:31,244 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:31,244 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 18:51:31,244 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975686120]
[2024-11-07 18:51:31,244 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:31,244 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 18:51:31,244 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:31,245 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 18:51:31,245 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 18:51:31,245 INFO  L87              Difference]: Start difference. First operand 1248 states and 1324 transitions. Second operand  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 18:51:33,778 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:33,778 INFO  L93              Difference]: Finished difference Result 1719 states and 1832 transitions.
[2024-11-07 18:51:33,779 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 18:51:33,779 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8
[2024-11-07 18:51:33,779 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:33,784 INFO  L225             Difference]: With dead ends: 1719
[2024-11-07 18:51:33,785 INFO  L226             Difference]: Without dead ends: 1719
[2024-11-07 18:51:33,785 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 18:51:33,786 INFO  L432           NwaCegarLoop]: 1411 mSDtfsCounter, 691 mSDsluCounter, 549 mSDsCounter, 0 mSdLazyCounter, 895 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 691 SdHoareTripleChecker+Valid, 1960 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 895 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:33,786 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [691 Valid, 1960 Invalid, 908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 895 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-11-07 18:51:33,789 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1719 states.
[2024-11-07 18:51:33,808 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1719 to 1275.
[2024-11-07 18:51:33,810 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1275 states, 671 states have (on average 2.0476900149031296) internal successors, (1374), 1268 states have internal predecessors, (1374), 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 18:51:33,814 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1392 transitions.
[2024-11-07 18:51:33,814 INFO  L78                 Accepts]: Start accepts. Automaton has 1275 states and 1392 transitions. Word has length 8
[2024-11-07 18:51:33,814 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:33,814 INFO  L471      AbstractCegarLoop]: Abstraction has 1275 states and 1392 transitions.
[2024-11-07 18:51:33,815 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 18:51:33,815 INFO  L276                IsEmpty]: Start isEmpty. Operand 1275 states and 1392 transitions.
[2024-11-07 18:51:33,815 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-07 18:51:33,815 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:33,815 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 18:51:33,819 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 18:51:34,016 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 18:51:34,016 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:34,016 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:34,017 INFO  L85        PathProgramCache]: Analyzing trace with hash 1329278098, now seen corresponding path program 1 times
[2024-11-07 18:51:34,017 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:34,017 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1686143909]
[2024-11-07 18:51:34,017 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:34,017 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 18:51:34,017 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:34,019 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 18:51:34,020 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 18:51:34,134 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:34,135 INFO  L255         TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:34,137 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:34,145 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7
[2024-11-07 18:51:34,160 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 18:51:34,160 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:34,160 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:34,160 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1686143909]
[2024-11-07 18:51:34,160 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1686143909] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:34,161 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:34,161 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 18:51:34,161 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139597990]
[2024-11-07 18:51:34,161 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:34,162 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 18:51:34,162 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:34,162 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 18:51:34,162 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 18:51:34,162 INFO  L87              Difference]: Start difference. First operand 1275 states and 1392 transitions. Second operand  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 18:51:35,746 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:35,746 INFO  L93              Difference]: Finished difference Result 1608 states and 1751 transitions.
[2024-11-07 18:51:35,746 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 18:51:35,746 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8
[2024-11-07 18:51:35,746 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:35,750 INFO  L225             Difference]: With dead ends: 1608
[2024-11-07 18:51:35,751 INFO  L226             Difference]: Without dead ends: 1608
[2024-11-07 18:51:35,751 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 18:51:35,751 INFO  L432           NwaCegarLoop]: 1181 mSDtfsCounter, 939 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 947 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:35,751 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [947 Valid, 1531 Invalid, 904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-11-07 18:51:35,754 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1608 states.
[2024-11-07 18:51:35,771 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1226.
[2024-11-07 18:51:35,773 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1226 states, 671 states have (on average 1.9687034277198212) internal successors, (1321), 1219 states have internal predecessors, (1321), 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 18:51:35,776 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1339 transitions.
[2024-11-07 18:51:35,776 INFO  L78                 Accepts]: Start accepts. Automaton has 1226 states and 1339 transitions. Word has length 8
[2024-11-07 18:51:35,776 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:35,776 INFO  L471      AbstractCegarLoop]: Abstraction has 1226 states and 1339 transitions.
[2024-11-07 18:51:35,777 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 18:51:35,777 INFO  L276                IsEmpty]: Start isEmpty. Operand 1226 states and 1339 transitions.
[2024-11-07 18:51:35,777 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-07 18:51:35,777 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:35,777 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 18:51:35,781 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 18:51:35,977 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 18:51:35,978 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr519REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:35,978 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:35,978 INFO  L85        PathProgramCache]: Analyzing trace with hash -285594881, now seen corresponding path program 1 times
[2024-11-07 18:51:35,979 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:35,979 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643853147]
[2024-11-07 18:51:35,979 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:35,979 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 18:51:35,979 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:35,981 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 18:51:35,982 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 18:51:36,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:36,112 INFO  L255         TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:36,114 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:36,178 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 18:51:36,179 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:36,179 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:36,179 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643853147]
[2024-11-07 18:51:36,179 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [643853147] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:36,179 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:36,180 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 18:51:36,180 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991263740]
[2024-11-07 18:51:36,180 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:36,180 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 18:51:36,180 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:36,180 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 18:51:36,181 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:51:36,181 INFO  L87              Difference]: Start difference. First operand 1226 states and 1339 transitions. Second operand  has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 18:51:37,000 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:37,001 INFO  L93              Difference]: Finished difference Result 1826 states and 2023 transitions.
[2024-11-07 18:51:37,002 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 18:51:37,002 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 11
[2024-11-07 18:51:37,002 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:37,008 INFO  L225             Difference]: With dead ends: 1826
[2024-11-07 18:51:37,008 INFO  L226             Difference]: Without dead ends: 1826
[2024-11-07 18:51:37,009 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 18:51:37,009 INFO  L432           NwaCegarLoop]: 1394 mSDtfsCounter, 635 mSDsluCounter, 2419 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 635 SdHoareTripleChecker+Valid, 3813 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:37,009 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [635 Valid, 3813 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-07 18:51:37,012 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1826 states.
[2024-11-07 18:51:37,031 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1826 to 1475.
[2024-11-07 18:51:37,033 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1475 states, 920 states have (on average 1.940217391304348) internal successors, (1785), 1468 states have internal predecessors, (1785), 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 18:51:37,037 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1803 transitions.
[2024-11-07 18:51:37,037 INFO  L78                 Accepts]: Start accepts. Automaton has 1475 states and 1803 transitions. Word has length 11
[2024-11-07 18:51:37,038 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:37,038 INFO  L471      AbstractCegarLoop]: Abstraction has 1475 states and 1803 transitions.
[2024-11-07 18:51:37,038 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 18:51:37,038 INFO  L276                IsEmpty]: Start isEmpty. Operand 1475 states and 1803 transitions.
[2024-11-07 18:51:37,038 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-07 18:51:37,039 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:37,039 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 18:51:37,043 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 18:51:37,239 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 18:51:37,240 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr330REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:37,240 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:37,240 INFO  L85        PathProgramCache]: Analyzing trace with hash -170511720, now seen corresponding path program 1 times
[2024-11-07 18:51:37,241 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:37,241 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [573890389]
[2024-11-07 18:51:37,241 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:37,241 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 18:51:37,241 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:37,244 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 18:51:37,247 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 18:51:37,372 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:37,375 INFO  L255         TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:37,376 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:37,386 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 18:51:37,386 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:37,386 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:37,386 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [573890389]
[2024-11-07 18:51:37,386 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [573890389] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:37,386 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:37,386 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 18:51:37,386 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76459740]
[2024-11-07 18:51:37,386 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:37,387 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 18:51:37,387 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:37,387 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 18:51:37,387 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 18:51:37,387 INFO  L87              Difference]: Start difference. First operand 1475 states and 1803 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 18:51:37,420 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:37,420 INFO  L93              Difference]: Finished difference Result 1415 states and 1717 transitions.
[2024-11-07 18:51:37,421 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 18:51:37,421 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 18:51:37,421 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:37,425 INFO  L225             Difference]: With dead ends: 1415
[2024-11-07 18:51:37,425 INFO  L226             Difference]: Without dead ends: 1415
[2024-11-07 18:51:37,425 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 18:51:37,426 INFO  L432           NwaCegarLoop]: 1202 mSDtfsCounter, 71 mSDsluCounter, 1139 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 2341 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:37,427 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 2341 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 18:51:37,451 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1415 states.
[2024-11-07 18:51:37,468 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1415.
[2024-11-07 18:51:37,470 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1415 states, 884 states have (on average 1.9219457013574661) internal successors, (1699), 1408 states have internal predecessors, (1699), 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 18:51:37,476 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1415 states and 1717 transitions.
[2024-11-07 18:51:37,476 INFO  L78                 Accepts]: Start accepts. Automaton has 1415 states and 1717 transitions. Word has length 13
[2024-11-07 18:51:37,477 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:37,477 INFO  L471      AbstractCegarLoop]: Abstraction has 1415 states and 1717 transitions.
[2024-11-07 18:51:37,477 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 18:51:37,477 INFO  L276                IsEmpty]: Start isEmpty. Operand 1415 states and 1717 transitions.
[2024-11-07 18:51:37,477 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-11-07 18:51:37,477 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:37,477 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 18:51:37,482 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 18:51:37,677 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 18:51:37,678 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr354REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:37,678 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:37,678 INFO  L85        PathProgramCache]: Analyzing trace with hash -652980110, now seen corresponding path program 1 times
[2024-11-07 18:51:37,679 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:37,679 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2003298363]
[2024-11-07 18:51:37,679 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:37,679 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 18:51:37,679 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:37,681 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 18:51:37,682 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 18:51:37,808 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:37,812 INFO  L255         TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:37,813 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:37,830 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 18:51:37,830 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:37,830 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:37,830 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2003298363]
[2024-11-07 18:51:37,830 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2003298363] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:37,830 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:37,830 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 18:51:37,831 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982002499]
[2024-11-07 18:51:37,831 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:37,831 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 18:51:37,831 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:37,831 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 18:51:37,832 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:51:37,832 INFO  L87              Difference]: Start difference. First operand 1415 states and 1717 transitions. Second operand  has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 18:51:37,906 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:37,907 INFO  L93              Difference]: Finished difference Result 1385 states and 1659 transitions.
[2024-11-07 18:51:37,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-07 18:51:37,908 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2024-11-07 18:51:37,908 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:37,912 INFO  L225             Difference]: With dead ends: 1385
[2024-11-07 18:51:37,912 INFO  L226             Difference]: Without dead ends: 1385
[2024-11-07 18:51:37,912 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 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 18:51:37,913 INFO  L432           NwaCegarLoop]: 1157 mSDtfsCounter, 48 mSDsluCounter, 2288 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 3445 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:37,913 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 3445 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 18:51:37,915 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1385 states.
[2024-11-07 18:51:37,929 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1385.
[2024-11-07 18:51:37,931 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1385 states, 868 states have (on average 1.890552995391705) internal successors, (1641), 1378 states have internal predecessors, (1641), 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 18:51:37,935 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1659 transitions.
[2024-11-07 18:51:37,935 INFO  L78                 Accepts]: Start accepts. Automaton has 1385 states and 1659 transitions. Word has length 15
[2024-11-07 18:51:37,936 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:37,936 INFO  L471      AbstractCegarLoop]: Abstraction has 1385 states and 1659 transitions.
[2024-11-07 18:51:37,936 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 18:51:37,936 INFO  L276                IsEmpty]: Start isEmpty. Operand 1385 states and 1659 transitions.
[2024-11-07 18:51:37,936 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-11-07 18:51:37,936 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:37,937 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 18:51:37,940 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0
[2024-11-07 18:51:38,140 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 18:51:38,140 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr630ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:38,140 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:38,140 INFO  L85        PathProgramCache]: Analyzing trace with hash 90438054, now seen corresponding path program 1 times
[2024-11-07 18:51:38,141 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:38,141 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [605430207]
[2024-11-07 18:51:38,141 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:38,141 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 18:51:38,141 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:38,145 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 18:51:38,146 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 18:51:38,295 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:38,298 INFO  L255         TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:38,300 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:38,307 INFO  L173   IndexEqualityManager]: detected equality via solver
[2024-11-07 18:51:38,308 INFO  L173   IndexEqualityManager]: detected equality via solver
[2024-11-07 18:51:38,309 INFO  L173   IndexEqualityManager]: detected equality via solver
[2024-11-07 18:51:38,313 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 18:51:38,356 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-07 18:51:38,356 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 18:51:38,369 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 18:51:38,369 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:38,369 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:38,369 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [605430207]
[2024-11-07 18:51:38,369 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [605430207] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:38,369 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:38,369 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 18:51:38,370 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749055074]
[2024-11-07 18:51:38,370 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:38,370 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 18:51:38,370 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:38,370 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 18:51:38,370 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:51:38,371 INFO  L87              Difference]: Start difference. First operand 1385 states and 1659 transitions. Second operand  has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 18:51:38,695 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:38,695 INFO  L93              Difference]: Finished difference Result 2441 states and 2823 transitions.
[2024-11-07 18:51:38,696 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 18:51:38,696 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 16
[2024-11-07 18:51:38,696 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:38,703 INFO  L225             Difference]: With dead ends: 2441
[2024-11-07 18:51:38,703 INFO  L226             Difference]: Without dead ends: 2441
[2024-11-07 18:51:38,704 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 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 18:51:38,705 INFO  L432           NwaCegarLoop]: 1159 mSDtfsCounter, 1098 mSDsluCounter, 2305 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 3464 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:38,705 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 3464 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-07 18:51:38,709 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2441 states.
[2024-11-07 18:51:38,728 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2441 to 1384.
[2024-11-07 18:51:38,730 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1384 states, 867 states have (on average 1.8904267589388697) internal successors, (1639), 1377 states have internal predecessors, (1639), 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 18:51:38,734 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 1657 transitions.
[2024-11-07 18:51:38,734 INFO  L78                 Accepts]: Start accepts. Automaton has 1384 states and 1657 transitions. Word has length 16
[2024-11-07 18:51:38,734 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:38,734 INFO  L471      AbstractCegarLoop]: Abstraction has 1384 states and 1657 transitions.
[2024-11-07 18:51:38,734 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 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 18:51:38,735 INFO  L276                IsEmpty]: Start isEmpty. Operand 1384 states and 1657 transitions.
[2024-11-07 18:51:38,735 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-07 18:51:38,735 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:38,735 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 18:51:38,741 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 18:51:38,936 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 18:51:38,936 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:38,936 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:38,937 INFO  L85        PathProgramCache]: Analyzing trace with hash 183846334, now seen corresponding path program 1 times
[2024-11-07 18:51:38,937 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:38,937 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1296357446]
[2024-11-07 18:51:38,937 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:38,937 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 18:51:38,937 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:38,941 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 18:51:38,942 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 18:51:39,099 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:39,102 INFO  L255         TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:39,104 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:39,115 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 18:51:39,115 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:39,115 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:39,115 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1296357446]
[2024-11-07 18:51:39,115 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1296357446] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:39,115 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:39,115 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 18:51:39,115 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106625252]
[2024-11-07 18:51:39,115 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:39,116 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 18:51:39,116 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:39,116 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 18:51:39,116 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 18:51:39,116 INFO  L87              Difference]: Start difference. First operand 1384 states and 1657 transitions. Second operand  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18:51:39,149 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:39,150 INFO  L93              Difference]: Finished difference Result 1324 states and 1571 transitions.
[2024-11-07 18:51:39,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 18:51:39,151 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18
[2024-11-07 18:51:39,151 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:39,155 INFO  L225             Difference]: With dead ends: 1324
[2024-11-07 18:51:39,156 INFO  L226             Difference]: Without dead ends: 1324
[2024-11-07 18:51:39,156 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 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 18:51:39,157 INFO  L432           NwaCegarLoop]: 1124 mSDtfsCounter, 71 mSDsluCounter, 1061 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 2185 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:39,157 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 2185 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 18:51:39,159 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1324 states.
[2024-11-07 18:51:39,175 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1324.
[2024-11-07 18:51:39,177 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1324 states, 831 states have (on average 1.8688327316486162) internal successors, (1553), 1317 states have internal predecessors, (1553), 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 18:51:39,184 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 1324 states and 1571 transitions.
[2024-11-07 18:51:39,185 INFO  L78                 Accepts]: Start accepts. Automaton has 1324 states and 1571 transitions. Word has length 18
[2024-11-07 18:51:39,185 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:39,185 INFO  L471      AbstractCegarLoop]: Abstraction has 1324 states and 1571 transitions.
[2024-11-07 18:51:39,185 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18:51:39,185 INFO  L276                IsEmpty]: Start isEmpty. Operand 1324 states and 1571 transitions.
[2024-11-07 18:51:39,186 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2024-11-07 18:51:39,186 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:39,186 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 18:51:39,191 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0
[2024-11-07 18:51:39,386 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 18:51:39,387 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:39,387 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:39,387 INFO  L85        PathProgramCache]: Analyzing trace with hash 582665080, now seen corresponding path program 1 times
[2024-11-07 18:51:39,387 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:39,387 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743906372]
[2024-11-07 18:51:39,387 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:39,387 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 18:51:39,387 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:39,389 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 18:51:39,391 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 18:51:39,553 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:39,558 INFO  L255         TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:39,559 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:39,575 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 18:51:39,575 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:39,575 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:39,575 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743906372]
[2024-11-07 18:51:39,575 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [743906372] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:39,575 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:39,576 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 18:51:39,576 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676523373]
[2024-11-07 18:51:39,576 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:39,576 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 18:51:39,576 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:39,577 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 18:51:39,577 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:51:39,577 INFO  L87              Difference]: Start difference. First operand 1324 states and 1571 transitions. Second operand  has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 18:51:39,648 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:39,649 INFO  L93              Difference]: Finished difference Result 1294 states and 1513 transitions.
[2024-11-07 18:51:39,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-07 18:51:39,649 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 20
[2024-11-07 18:51:39,650 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:39,653 INFO  L225             Difference]: With dead ends: 1294
[2024-11-07 18:51:39,653 INFO  L226             Difference]: Without dead ends: 1294
[2024-11-07 18:51:39,654 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 18:51:39,655 INFO  L432           NwaCegarLoop]: 1079 mSDtfsCounter, 48 mSDsluCounter, 2132 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 3211 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:39,655 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 3211 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 18:51:39,656 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1294 states.
[2024-11-07 18:51:39,681 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1294.
[2024-11-07 18:51:39,683 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1294 states, 815 states have (on average 1.834355828220859) internal successors, (1495), 1287 states have internal predecessors, (1495), 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 18:51:39,685 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 1294 states and 1513 transitions.
[2024-11-07 18:51:39,685 INFO  L78                 Accepts]: Start accepts. Automaton has 1294 states and 1513 transitions. Word has length 20
[2024-11-07 18:51:39,685 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:39,686 INFO  L471      AbstractCegarLoop]: Abstraction has 1294 states and 1513 transitions.
[2024-11-07 18:51:39,686 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 18:51:39,686 INFO  L276                IsEmpty]: Start isEmpty. Operand 1294 states and 1513 transitions.
[2024-11-07 18:51:39,687 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2024-11-07 18:51:39,688 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:39,688 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:39,694 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 18:51:39,891 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 18:51:39,892 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:39,893 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:39,893 INFO  L85        PathProgramCache]: Analyzing trace with hash -195006074, now seen corresponding path program 1 times
[2024-11-07 18:51:39,893 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:39,893 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2105619922]
[2024-11-07 18:51:39,893 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:39,893 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 18:51:39,893 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:39,898 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 18:51:39,899 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 18:51:40,066 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:40,070 INFO  L255         TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:40,072 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:40,078 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7
[2024-11-07 18:51:40,159 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 18:51:40,159 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:40,159 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:40,159 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2105619922]
[2024-11-07 18:51:40,159 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2105619922] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:40,159 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:40,159 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 18:51:40,159 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926386959]
[2024-11-07 18:51:40,160 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:40,160 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 18:51:40,160 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:40,160 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 18:51:40,160 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:51:40,160 INFO  L87              Difference]: Start difference. First operand 1294 states and 1513 transitions. Second operand  has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 18:51:42,289 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:42,289 INFO  L93              Difference]: Finished difference Result 1690 states and 2022 transitions.
[2024-11-07 18:51:42,289 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 18:51:42,290 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 34
[2024-11-07 18:51:42,290 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:42,294 INFO  L225             Difference]: With dead ends: 1690
[2024-11-07 18:51:42,294 INFO  L226             Difference]: Without dead ends: 1690
[2024-11-07 18:51:42,294 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 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 18:51:42,295 INFO  L432           NwaCegarLoop]: 695 mSDtfsCounter, 794 mSDsluCounter, 832 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 802 SdHoareTripleChecker+Valid, 1527 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:42,295 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [802 Valid, 1527 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-11-07 18:51:42,297 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1690 states.
[2024-11-07 18:51:42,308 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1290.
[2024-11-07 18:51:42,310 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1290 states, 815 states have (on average 1.8245398773006134) internal successors, (1487), 1283 states have internal predecessors, (1487), 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 18:51:42,312 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1505 transitions.
[2024-11-07 18:51:42,313 INFO  L78                 Accepts]: Start accepts. Automaton has 1290 states and 1505 transitions. Word has length 34
[2024-11-07 18:51:42,313 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:42,313 INFO  L471      AbstractCegarLoop]: Abstraction has 1290 states and 1505 transitions.
[2024-11-07 18:51:42,313 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 18:51:42,313 INFO  L276                IsEmpty]: Start isEmpty. Operand 1290 states and 1505 transitions.
[2024-11-07 18:51:42,314 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2024-11-07 18:51:42,314 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:42,314 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:42,320 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 18:51:42,518 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 18:51:42,519 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:42,519 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:42,519 INFO  L85        PathProgramCache]: Analyzing trace with hash -195006073, now seen corresponding path program 1 times
[2024-11-07 18:51:42,519 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:42,519 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [928487464]
[2024-11-07 18:51:42,520 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:42,520 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 18:51:42,520 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:42,522 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 18:51:42,525 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 18:51:42,707 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:42,713 INFO  L255         TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:42,717 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:42,728 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2024-11-07 18:51:42,930 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 18:51:42,930 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:42,930 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:42,930 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [928487464]
[2024-11-07 18:51:42,930 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [928487464] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:42,930 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:42,930 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 18:51:42,930 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175332786]
[2024-11-07 18:51:42,930 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:42,930 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 18:51:42,930 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:42,931 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 18:51:42,931 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:51:42,931 INFO  L87              Difference]: Start difference. First operand 1290 states and 1505 transitions. Second operand  has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 18:51:45,500 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:45,500 INFO  L93              Difference]: Finished difference Result 1805 states and 2114 transitions.
[2024-11-07 18:51:45,501 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 18:51:45,501 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 34
[2024-11-07 18:51:45,501 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:45,506 INFO  L225             Difference]: With dead ends: 1805
[2024-11-07 18:51:45,506 INFO  L226             Difference]: Without dead ends: 1805
[2024-11-07 18:51:45,506 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 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 18:51:45,507 INFO  L432           NwaCegarLoop]: 1303 mSDtfsCounter, 542 mSDsluCounter, 1312 mSDsCounter, 0 mSdLazyCounter, 1407 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 2615 SdHoareTripleChecker+Invalid, 1410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:45,507 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 2615 Invalid, 1410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1407 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-11-07 18:51:45,509 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1805 states.
[2024-11-07 18:51:45,519 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1286.
[2024-11-07 18:51:45,521 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1286 states, 815 states have (on average 1.814723926380368) internal successors, (1479), 1279 states have internal predecessors, (1479), 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 18:51:45,522 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1286 states and 1497 transitions.
[2024-11-07 18:51:45,522 INFO  L78                 Accepts]: Start accepts. Automaton has 1286 states and 1497 transitions. Word has length 34
[2024-11-07 18:51:45,523 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:45,523 INFO  L471      AbstractCegarLoop]: Abstraction has 1286 states and 1497 transitions.
[2024-11-07 18:51:45,523 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 18:51:45,523 INFO  L276                IsEmpty]: Start isEmpty. Operand 1286 states and 1497 transitions.
[2024-11-07 18:51:45,524 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2024-11-07 18:51:45,524 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:45,524 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:45,530 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0
[2024-11-07 18:51:45,724 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 18:51:45,725 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:45,725 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:45,725 INFO  L85        PathProgramCache]: Analyzing trace with hash -1181697534, now seen corresponding path program 1 times
[2024-11-07 18:51:45,726 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:45,726 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091812214]
[2024-11-07 18:51:45,726 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:45,726 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 18:51:45,726 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:45,728 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 18:51:45,729 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 18:51:45,962 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:45,974 INFO  L255         TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:45,976 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:46,020 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 18:51:46,021 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:46,021 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:46,021 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091812214]
[2024-11-07 18:51:46,021 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091812214] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:46,021 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:46,022 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 18:51:46,022 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209966147]
[2024-11-07 18:51:46,022 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:46,023 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 18:51:46,023 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:46,023 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 18:51:46,023 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:51:46,024 INFO  L87              Difference]: Start difference. First operand 1286 states and 1497 transitions. Second operand  has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 18:51:46,080 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:46,081 INFO  L93              Difference]: Finished difference Result 1274 states and 1477 transitions.
[2024-11-07 18:51:46,081 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-07 18:51:46,081 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 53
[2024-11-07 18:51:46,081 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:46,085 INFO  L225             Difference]: With dead ends: 1274
[2024-11-07 18:51:46,086 INFO  L226             Difference]: Without dead ends: 1274
[2024-11-07 18:51:46,086 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 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 18:51:46,087 INFO  L432           NwaCegarLoop]: 1073 mSDtfsCounter, 21 mSDsluCounter, 2115 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 3188 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:46,088 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 3188 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 18:51:46,090 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1274 states.
[2024-11-07 18:51:46,111 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1274.
[2024-11-07 18:51:46,114 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1274 states, 803 states have (on average 1.8169364881693648) internal successors, (1459), 1267 states have internal predecessors, (1459), 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 18:51:46,116 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1477 transitions.
[2024-11-07 18:51:46,116 INFO  L78                 Accepts]: Start accepts. Automaton has 1274 states and 1477 transitions. Word has length 53
[2024-11-07 18:51:46,117 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:46,117 INFO  L471      AbstractCegarLoop]: Abstraction has 1274 states and 1477 transitions.
[2024-11-07 18:51:46,117 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 18:51:46,117 INFO  L276                IsEmpty]: Start isEmpty. Operand 1274 states and 1477 transitions.
[2024-11-07 18:51:46,119 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2024-11-07 18:51:46,120 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:46,120 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:46,128 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 18:51:46,324 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 18:51:46,325 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:46,325 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:46,325 INFO  L85        PathProgramCache]: Analyzing trace with hash -1740051530, now seen corresponding path program 1 times
[2024-11-07 18:51:46,325 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:46,326 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174753279]
[2024-11-07 18:51:46,326 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:46,326 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 18:51:46,326 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:46,328 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 18:51:46,329 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 18:51:46,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:46,626 INFO  L255         TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:46,628 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:46,637 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2024-11-07 18:51:46,643 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7
[2024-11-07 18:51:47,181 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-07 18:51:47,183 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9
[2024-11-07 18:51:47,196 INFO  L349             Elim1Store]: treesize reduction 6, result has 40.0 percent of original size
[2024-11-07 18:51:47,197 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13
[2024-11-07 18:51:47,209 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 18:51:47,210 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:47,211 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:47,211 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1174753279]
[2024-11-07 18:51:47,211 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1174753279] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:47,211 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:47,211 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 18:51:47,211 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712702882]
[2024-11-07 18:51:47,211 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:47,212 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 18:51:47,212 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:47,213 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 18:51:47,214 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:51:47,214 INFO  L87              Difference]: Start difference. First operand 1274 states and 1477 transitions. Second operand  has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 18:51:49,205 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:49,205 INFO  L93              Difference]: Finished difference Result 1628 states and 1948 transitions.
[2024-11-07 18:51:49,205 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 18:51:49,205 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 61
[2024-11-07 18:51:49,206 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:49,211 INFO  L225             Difference]: With dead ends: 1628
[2024-11-07 18:51:49,211 INFO  L226             Difference]: Without dead ends: 1628
[2024-11-07 18:51:49,211 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:51:49,212 INFO  L432           NwaCegarLoop]: 538 mSDtfsCounter, 1048 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1051 SdHoareTripleChecker+Valid, 890 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:49,212 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1051 Valid, 890 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1052 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-11-07 18:51:49,214 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1628 states.
[2024-11-07 18:51:49,227 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1199.
[2024-11-07 18:51:49,229 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1199 states, 766 states have (on average 1.7584856396866841) internal successors, (1347), 1192 states have internal predecessors, (1347), 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 18:51:49,231 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 1199 states and 1365 transitions.
[2024-11-07 18:51:49,231 INFO  L78                 Accepts]: Start accepts. Automaton has 1199 states and 1365 transitions. Word has length 61
[2024-11-07 18:51:49,232 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:49,232 INFO  L471      AbstractCegarLoop]: Abstraction has 1199 states and 1365 transitions.
[2024-11-07 18:51:49,232 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 18:51:49,232 INFO  L276                IsEmpty]: Start isEmpty. Operand 1199 states and 1365 transitions.
[2024-11-07 18:51:49,233 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2024-11-07 18:51:49,233 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:49,233 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:49,242 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 (16)] Forceful destruction successful, exit code 0
[2024-11-07 18:51:49,433 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /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 18:51:49,433 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr76REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:49,434 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:49,434 INFO  L85        PathProgramCache]: Analyzing trace with hash -1654454369, now seen corresponding path program 1 times
[2024-11-07 18:51:49,434 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:49,434 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [857614927]
[2024-11-07 18:51:49,434 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:49,434 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 18:51:49,434 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:49,436 INFO  L229       MonitoredProcess]: Starting monitored process 17 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 18:51:49,437 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 (17)] Waiting until timeout for monitored process
[2024-11-07 18:51:49,691 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:49,698 INFO  L255         TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:49,700 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:49,706 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7
[2024-11-07 18:51:49,721 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 19 treesize of output 1
[2024-11-07 18:51:49,749 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-11-07 18:51:49,757 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 18:51:49,757 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:49,757 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:49,757 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [857614927]
[2024-11-07 18:51:49,757 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [857614927] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:49,757 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:49,757 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 18:51:49,757 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836535663]
[2024-11-07 18:51:49,757 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:49,757 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 18:51:49,757 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:49,758 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 18:51:49,758 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-07 18:51:49,758 INFO  L87              Difference]: Start difference. First operand 1199 states and 1365 transitions. Second operand  has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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 18:51:51,514 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:51,514 INFO  L93              Difference]: Finished difference Result 1198 states and 1364 transitions.
[2024-11-07 18:51:51,514 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-07 18:51:51,515 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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 66
[2024-11-07 18:51:51,515 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:51,518 INFO  L225             Difference]: With dead ends: 1198
[2024-11-07 18:51:51,518 INFO  L226             Difference]: Without dead ends: 1198
[2024-11-07 18:51:51,518 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-07 18:51:51,519 INFO  L432           NwaCegarLoop]: 1046 mSDtfsCounter, 2 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 1480 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2711 SdHoareTripleChecker+Invalid, 1481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:51,519 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2711 Invalid, 1481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1480 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-11-07 18:51:51,521 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1198 states.
[2024-11-07 18:51:51,529 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1198.
[2024-11-07 18:51:51,530 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1198 states, 766 states have (on average 1.7571801566579635) internal successors, (1346), 1191 states have internal predecessors, (1346), 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 18:51:51,531 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1364 transitions.
[2024-11-07 18:51:51,531 INFO  L78                 Accepts]: Start accepts. Automaton has 1198 states and 1364 transitions. Word has length 66
[2024-11-07 18:51:51,531 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:51,531 INFO  L471      AbstractCegarLoop]: Abstraction has 1198 states and 1364 transitions.
[2024-11-07 18:51:51,532 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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 18:51:51,532 INFO  L276                IsEmpty]: Start isEmpty. Operand 1198 states and 1364 transitions.
[2024-11-07 18:51:51,532 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2024-11-07 18:51:51,532 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:51,532 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:51,538 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 (17)] Ended with exit code 0
[2024-11-07 18:51:51,732 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /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 18:51:51,733 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr77REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:51,733 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:51,733 INFO  L85        PathProgramCache]: Analyzing trace with hash -1654454368, now seen corresponding path program 1 times
[2024-11-07 18:51:51,733 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:51,733 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1088168992]
[2024-11-07 18:51:51,733 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:51,733 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 18:51:51,734 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:51,735 INFO  L229       MonitoredProcess]: Starting monitored process 18 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 18:51:51,736 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 (18)] Waiting until timeout for monitored process
[2024-11-07 18:51:51,965 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:51,972 INFO  L255         TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:51,975 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:51,990 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2024-11-07 18:51:52,011 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 13 treesize of output 9
[2024-11-07 18:51:52,028 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 19 treesize of output 1
[2024-11-07 18:51:52,073 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9
[2024-11-07 18:51:52,092 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 18:51:52,092 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:52,092 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:52,092 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1088168992]
[2024-11-07 18:51:52,092 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1088168992] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:52,092 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:52,092 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 18:51:52,093 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714445328]
[2024-11-07 18:51:52,093 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:52,093 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 18:51:52,093 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:52,093 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 18:51:52,093 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-07 18:51:52,093 INFO  L87              Difference]: Start difference. First operand 1198 states and 1364 transitions. Second operand  has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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 18:51:54,052 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:54,052 INFO  L93              Difference]: Finished difference Result 1197 states and 1363 transitions.
[2024-11-07 18:51:54,053 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-07 18:51:54,053 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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 66
[2024-11-07 18:51:54,053 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:54,056 INFO  L225             Difference]: With dead ends: 1197
[2024-11-07 18:51:54,056 INFO  L226             Difference]: Without dead ends: 1197
[2024-11-07 18:51:54,056 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-07 18:51:54,057 INFO  L432           NwaCegarLoop]: 1046 mSDtfsCounter, 1 mSDsluCounter, 1715 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2761 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:54,057 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2761 Invalid, 1428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1427 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time]
[2024-11-07 18:51:54,058 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1197 states.
[2024-11-07 18:51:54,066 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1197 to 1197.
[2024-11-07 18:51:54,067 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1197 states, 765 states have (on average 1.7581699346405228) internal successors, (1345), 1190 states have internal predecessors, (1345), 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 18:51:54,068 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1363 transitions.
[2024-11-07 18:51:54,068 INFO  L78                 Accepts]: Start accepts. Automaton has 1197 states and 1363 transitions. Word has length 66
[2024-11-07 18:51:54,068 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:54,068 INFO  L471      AbstractCegarLoop]: Abstraction has 1197 states and 1363 transitions.
[2024-11-07 18:51:54,068 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 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 18:51:54,068 INFO  L276                IsEmpty]: Start isEmpty. Operand 1197 states and 1363 transitions.
[2024-11-07 18:51:54,068 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2024-11-07 18:51:54,068 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:54,068 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:54,076 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 (18)] Ended with exit code 0
[2024-11-07 18:51:54,269 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /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 18:51:54,269 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:54,269 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:54,269 INFO  L85        PathProgramCache]: Analyzing trace with hash 82093638, now seen corresponding path program 1 times
[2024-11-07 18:51:54,270 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:54,270 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039798051]
[2024-11-07 18:51:54,270 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:54,270 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 18:51:54,270 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:54,272 INFO  L229       MonitoredProcess]: Starting monitored process 19 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 18:51:54,273 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 (19)] Waiting until timeout for monitored process
[2024-11-07 18:51:54,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:54,515 INFO  L255         TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:54,517 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:54,536 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 18:51:54,536 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:51:54,536 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:54,536 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039798051]
[2024-11-07 18:51:54,537 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2039798051] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:51:54,537 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:51:54,537 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 18:51:54,537 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435654260]
[2024-11-07 18:51:54,537 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:51:54,537 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 18:51:54,537 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:54,538 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 18:51:54,538 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:51:54,539 INFO  L87              Difference]: Start difference. First operand 1197 states and 1363 transitions. Second operand  has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 18:51:54,578 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:54,579 INFO  L93              Difference]: Finished difference Result 1200 states and 1367 transitions.
[2024-11-07 18:51:54,579 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-07 18:51:54,580 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74
[2024-11-07 18:51:54,580 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:54,583 INFO  L225             Difference]: With dead ends: 1200
[2024-11-07 18:51:54,583 INFO  L226             Difference]: Without dead ends: 1200
[2024-11-07 18:51:54,584 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 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 18:51:54,584 INFO  L432           NwaCegarLoop]: 1046 mSDtfsCounter, 0 mSDsluCounter, 2087 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3133 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:54,584 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3133 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 18:51:54,586 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1200 states.
[2024-11-07 18:51:54,598 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 1200.
[2024-11-07 18:51:54,599 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1200 states, 767 states have (on average 1.757496740547588) internal successors, (1348), 1193 states have internal predecessors, (1348), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9)
[2024-11-07 18:51:54,601 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 1200 states and 1367 transitions.
[2024-11-07 18:51:54,601 INFO  L78                 Accepts]: Start accepts. Automaton has 1200 states and 1367 transitions. Word has length 74
[2024-11-07 18:51:54,602 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:54,602 INFO  L471      AbstractCegarLoop]: Abstraction has 1200 states and 1367 transitions.
[2024-11-07 18:51:54,602 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 18:51:54,602 INFO  L276                IsEmpty]: Start isEmpty. Operand 1200 states and 1367 transitions.
[2024-11-07 18:51:54,602 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2024-11-07 18:51:54,602 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:54,603 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:54,612 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 (19)] Ended with exit code 0
[2024-11-07 18:51:54,803 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /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 18:51:54,803 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:54,804 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:54,804 INFO  L85        PathProgramCache]: Analyzing trace with hash -1038389230, now seen corresponding path program 1 times
[2024-11-07 18:51:54,804 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:54,804 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [276532009]
[2024-11-07 18:51:54,804 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:51:54,804 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 18:51:54,804 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:54,806 INFO  L229       MonitoredProcess]: Starting monitored process 20 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 18:51:54,807 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 (20)] Waiting until timeout for monitored process
[2024-11-07 18:51:55,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:51:55,068 INFO  L255         TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:55,069 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:55,095 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 18:51:55,095 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 18:51:55,166 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 18:51:55,167 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:55,167 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [276532009]
[2024-11-07 18:51:55,167 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [276532009] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 18:51:55,167 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-07 18:51:55,167 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2024-11-07 18:51:55,167 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533858584]
[2024-11-07 18:51:55,168 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-07 18:51:55,168 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-07 18:51:55,168 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:55,169 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-07 18:51:55,169 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-07 18:51:55,169 INFO  L87              Difference]: Start difference. First operand 1200 states and 1367 transitions. Second operand  has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-07 18:51:55,330 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:55,330 INFO  L93              Difference]: Finished difference Result 1212 states and 1384 transitions.
[2024-11-07 18:51:55,331 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-07 18:51:55,331 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 75
[2024-11-07 18:51:55,331 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:55,338 INFO  L225             Difference]: With dead ends: 1212
[2024-11-07 18:51:55,341 INFO  L226             Difference]: Without dead ends: 1212
[2024-11-07 18:51:55,341 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 142 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 18:51:55,342 INFO  L432           NwaCegarLoop]: 1046 mSDtfsCounter, 7 mSDsluCounter, 2090 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3136 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:55,342 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3136 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 18:51:55,344 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1212 states.
[2024-11-07 18:51:55,359 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1212 to 1210.
[2024-11-07 18:51:55,361 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1210 states, 776 states have (on average 1.7564432989690721) internal successors, (1363), 1202 states have internal predecessors, (1363), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9)
[2024-11-07 18:51:55,364 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1210 states and 1382 transitions.
[2024-11-07 18:51:55,364 INFO  L78                 Accepts]: Start accepts. Automaton has 1210 states and 1382 transitions. Word has length 75
[2024-11-07 18:51:55,364 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:55,364 INFO  L471      AbstractCegarLoop]: Abstraction has 1210 states and 1382 transitions.
[2024-11-07 18:51:55,364 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-07 18:51:55,364 INFO  L276                IsEmpty]: Start isEmpty. Operand 1210 states and 1382 transitions.
[2024-11-07 18:51:55,366 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2024-11-07 18:51:55,366 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:55,366 INFO  L215           NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:55,376 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 (20)] Ended with exit code 0
[2024-11-07 18:51:55,567 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /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 18:51:55,567 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:55,568 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:55,568 INFO  L85        PathProgramCache]: Analyzing trace with hash 19839302, now seen corresponding path program 2 times
[2024-11-07 18:51:55,568 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:55,569 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [684490962]
[2024-11-07 18:51:55,569 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-07 18:51:55,569 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 18:51:55,569 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:55,571 INFO  L229       MonitoredProcess]: Starting monitored process 21 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 18:51:55,574 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 (21)] Waiting until timeout for monitored process
[2024-11-07 18:51:56,175 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-07 18:51:56,176 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-07 18:51:56,195 INFO  L255         TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:56,197 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:56,250 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 18:51:56,251 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 18:51:56,391 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 18:51:56,391 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:56,391 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [684490962]
[2024-11-07 18:51:56,391 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [684490962] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 18:51:56,391 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-07 18:51:56,391 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14
[2024-11-07 18:51:56,391 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059926227]
[2024-11-07 18:51:56,391 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-07 18:51:56,392 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-07 18:51:56,392 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:56,392 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-07 18:51:56,392 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182
[2024-11-07 18:51:56,392 INFO  L87              Difference]: Start difference. First operand 1210 states and 1382 transitions. Second operand  has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-07 18:51:56,725 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:56,725 INFO  L93              Difference]: Finished difference Result 1225 states and 1404 transitions.
[2024-11-07 18:51:56,726 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-11-07 18:51:56,726 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 78
[2024-11-07 18:51:56,727 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:56,729 INFO  L225             Difference]: With dead ends: 1225
[2024-11-07 18:51:56,729 INFO  L226             Difference]: Without dead ends: 1221
[2024-11-07 18:51:56,730 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506
[2024-11-07 18:51:56,730 INFO  L432           NwaCegarLoop]: 1046 mSDtfsCounter, 11 mSDsluCounter, 5218 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 6264 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:56,730 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 6264 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-07 18:51:56,732 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1221 states.
[2024-11-07 18:51:56,743 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1219.
[2024-11-07 18:51:56,745 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1219 states, 785 states have (on average 1.7515923566878981) internal successors, (1375), 1211 states have internal predecessors, (1375), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9)
[2024-11-07 18:51:56,747 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1394 transitions.
[2024-11-07 18:51:56,747 INFO  L78                 Accepts]: Start accepts. Automaton has 1219 states and 1394 transitions. Word has length 78
[2024-11-07 18:51:56,747 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:56,747 INFO  L471      AbstractCegarLoop]: Abstraction has 1219 states and 1394 transitions.
[2024-11-07 18:51:56,747 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-07 18:51:56,748 INFO  L276                IsEmpty]: Start isEmpty. Operand 1219 states and 1394 transitions.
[2024-11-07 18:51:56,748 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2024-11-07 18:51:56,748 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:56,748 INFO  L215           NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:56,758 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 (21)] Forceful destruction successful, exit code 0
[2024-11-07 18:51:56,952 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /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 18:51:56,952 INFO  L396      AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:56,953 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:56,953 INFO  L85        PathProgramCache]: Analyzing trace with hash -251722298, now seen corresponding path program 3 times
[2024-11-07 18:51:56,953 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:56,953 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1979911827]
[2024-11-07 18:51:56,953 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-07 18:51:56,953 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 18:51:56,953 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:56,955 INFO  L229       MonitoredProcess]: Starting monitored process 22 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 18:51:56,956 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 (22)] Waiting until timeout for monitored process
[2024-11-07 18:51:57,593 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s)
[2024-11-07 18:51:57,594 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-07 18:51:57,606 INFO  L255         TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-07 18:51:57,607 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:51:57,716 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 18:51:57,717 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 18:51:58,134 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 18:51:58,134 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:51:58,134 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1979911827]
[2024-11-07 18:51:58,134 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1979911827] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 18:51:58,134 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-07 18:51:58,134 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26
[2024-11-07 18:51:58,135 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842201360]
[2024-11-07 18:51:58,135 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-07 18:51:58,135 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2024-11-07 18:51:58,135 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:51:58,135 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2024-11-07 18:51:58,136 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650
[2024-11-07 18:51:58,136 INFO  L87              Difference]: Start difference. First operand 1219 states and 1394 transitions. Second operand  has 26 states, 26 states have (on average 3.6538461538461537) internal successors, (95), 26 states have internal predecessors, (95), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-07 18:51:59,413 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:51:59,414 INFO  L93              Difference]: Finished difference Result 1243 states and 1433 transitions.
[2024-11-07 18:51:59,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. 
[2024-11-07 18:51:59,414 INFO  L78                 Accepts]: Start accepts. Automaton has  has 26 states, 26 states have (on average 3.6538461538461537) internal successors, (95), 26 states have internal predecessors, (95), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 84
[2024-11-07 18:51:59,414 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:51:59,417 INFO  L225             Difference]: With dead ends: 1243
[2024-11-07 18:51:59,417 INFO  L226             Difference]: Without dead ends: 1237
[2024-11-07 18:51:59,418 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162
[2024-11-07 18:51:59,418 INFO  L432           NwaCegarLoop]: 1047 mSDtfsCounter, 26 mSDsluCounter, 14607 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 15654 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-07 18:51:59,418 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 15654 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-07 18:51:59,420 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1237 states.
[2024-11-07 18:51:59,432 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1237.
[2024-11-07 18:51:59,433 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1237 states, 803 states have (on average 1.7409713574097136) internal successors, (1398), 1229 states have internal predecessors, (1398), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9)
[2024-11-07 18:51:59,435 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1237 states and 1417 transitions.
[2024-11-07 18:51:59,435 INFO  L78                 Accepts]: Start accepts. Automaton has 1237 states and 1417 transitions. Word has length 84
[2024-11-07 18:51:59,436 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:51:59,436 INFO  L471      AbstractCegarLoop]: Abstraction has 1237 states and 1417 transitions.
[2024-11-07 18:51:59,436 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 26 states, 26 states have (on average 3.6538461538461537) internal successors, (95), 26 states have internal predecessors, (95), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-07 18:51:59,436 INFO  L276                IsEmpty]: Start isEmpty. Operand 1237 states and 1417 transitions.
[2024-11-07 18:51:59,436 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 97
[2024-11-07 18:51:59,436 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:51:59,437 INFO  L215           NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:51:59,447 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 (22)] Ended with exit code 0
[2024-11-07 18:51:59,637 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /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 18:51:59,637 INFO  L396      AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:51:59,638 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:51:59,638 INFO  L85        PathProgramCache]: Analyzing trace with hash 1891991238, now seen corresponding path program 4 times
[2024-11-07 18:51:59,638 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:51:59,638 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079972176]
[2024-11-07 18:51:59,638 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-07 18:51:59,638 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 18:51:59,638 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:51:59,640 INFO  L229       MonitoredProcess]: Starting monitored process 23 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 18:51:59,641 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 (23)] Waiting until timeout for monitored process
[2024-11-07 18:52:00,100 INFO  L227   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-07 18:52:00,100 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-07 18:52:00,113 INFO  L255         TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 25 conjuncts are in the unsatisfiable core
[2024-11-07 18:52:00,115 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:52:00,432 INFO  L134       CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 18:52:00,432 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 18:52:01,517 INFO  L134       CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-07 18:52:01,517 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:52:01,517 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079972176]
[2024-11-07 18:52:01,517 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079972176] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 18:52:01,518 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-07 18:52:01,518 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50
[2024-11-07 18:52:01,518 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223837993]
[2024-11-07 18:52:01,518 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-07 18:52:01,518 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 50 states
[2024-11-07 18:52:01,518 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:52:01,519 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants.
[2024-11-07 18:52:01,520 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450
[2024-11-07 18:52:01,521 INFO  L87              Difference]: Start difference. First operand 1237 states and 1417 transitions. Second operand  has 50 states, 50 states have (on average 2.38) internal successors, (119), 50 states have internal predecessors, (119), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-07 18:52:05,915 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:52:05,915 INFO  L93              Difference]: Finished difference Result 1277 states and 1489 transitions.
[2024-11-07 18:52:05,916 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. 
[2024-11-07 18:52:05,916 INFO  L78                 Accepts]: Start accepts. Automaton has  has 50 states, 50 states have (on average 2.38) internal successors, (119), 50 states have internal predecessors, (119), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96
[2024-11-07 18:52:05,916 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:52:05,919 INFO  L225             Difference]: With dead ends: 1277
[2024-11-07 18:52:05,919 INFO  L226             Difference]: Without dead ends: 1273
[2024-11-07 18:52:05,921 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556
[2024-11-07 18:52:05,923 INFO  L432           NwaCegarLoop]: 1046 mSDtfsCounter, 34 mSDsluCounter, 26074 mSDsCounter, 0 mSdLazyCounter, 1962 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 27120 SdHoareTripleChecker+Invalid, 2002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-11-07 18:52:05,923 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 27120 Invalid, 2002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1962 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-11-07 18:52:05,924 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1273 states.
[2024-11-07 18:52:05,937 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1273 to 1271.
[2024-11-07 18:52:05,939 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1271 states, 837 states have (on average 1.7252090800477897) internal successors, (1444), 1263 states have internal predecessors, (1444), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 4 states have call predecessors, (9), 8 states have call successors, (9)
[2024-11-07 18:52:05,940 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1463 transitions.
[2024-11-07 18:52:05,941 INFO  L78                 Accepts]: Start accepts. Automaton has 1271 states and 1463 transitions. Word has length 96
[2024-11-07 18:52:05,941 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:52:05,941 INFO  L471      AbstractCegarLoop]: Abstraction has 1271 states and 1463 transitions.
[2024-11-07 18:52:05,941 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 50 states, 50 states have (on average 2.38) internal successors, (119), 50 states have internal predecessors, (119), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-07 18:52:05,941 INFO  L276                IsEmpty]: Start isEmpty. Operand 1271 states and 1463 transitions.
[2024-11-07 18:52:05,942 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2024-11-07 18:52:05,942 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 18:52:05,942 INFO  L215           NwaCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:52:05,957 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 (23)] Ended with exit code 0
[2024-11-07 18:52:06,142 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /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 18:52:06,143 INFO  L396      AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 629 more)] ===
[2024-11-07 18:52:06,143 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:52:06,143 INFO  L85        PathProgramCache]: Analyzing trace with hash -1497303226, now seen corresponding path program 5 times
[2024-11-07 18:52:06,143 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:52:06,144 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803657560]
[2024-11-07 18:52:06,144 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-07 18:52:06,144 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 18:52:06,144 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:52:06,145 INFO  L229       MonitoredProcess]: Starting monitored process 24 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 18:52:06,146 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 (24)] Waiting until timeout for monitored process
[2024-11-07 18:52:07,262 INFO  L227   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s)
[2024-11-07 18:52:07,262 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-07 18:52:07,284 INFO  L255         TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 58 conjuncts are in the unsatisfiable core
[2024-11-07 18:52:07,290 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:52:07,295 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7
[2024-11-07 18:52:07,380 INFO  L349             Elim1Store]: treesize reduction 22, result has 35.3 percent of original size
[2024-11-07 18:52:07,380 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27
[2024-11-07 18:52:07,403 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1
[2024-11-07 18:52:07,470 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12
[2024-11-07 18:52:08,379 INFO  L349             Elim1Store]: treesize reduction 21, result has 19.2 percent of original size
[2024-11-07 18:52:08,379 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43
[2024-11-07 18:52:08,416 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15
[2024-11-07 18:52:08,436 INFO  L134       CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked.
[2024-11-07 18:52:08,436 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 18:52:08,730 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2023 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| (select (select (store |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_main_#t~mem36#1.base| v_ArrVal_2023) |c_ULTIMATE.start_main_~user~0#1.base|) (bvadd (_ bv8 32) |c_ULTIMATE.start_main_~user~0#1.offset|)))))) is different from false
[2024-11-07 18:52:08,731 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:52:08,731 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803657560]
[2024-11-07 18:52:08,732 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [803657560] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 18:52:08,732 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1871542996]
[2024-11-07 18:52:08,732 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-07 18:52:08,732 INFO  L173          SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-07 18:52:08,732 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-07 18:52:08,748 INFO  L229       MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-07 18:52:08,749 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process