./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.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_SAX_test1-2.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', '7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7']
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_SAX_test1-2.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 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 18:57:41,056 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 18:57:41,124 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-11-07 18:57:41,132 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 18:57:41,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 18:57:41,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 18:57:41,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 18:57:41,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 18:57:41,166 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 18:57:41,166 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 18:57:41,166 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 18:57:41,166 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 18:57:41,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 18:57:41,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 18:57:41,167 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 18:57:41,167 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 18:57:41,167 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-07 18:57:41,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 18:57:41,167 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-07 18:57:41,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 18:57:41,167 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-11-07 18:57:41,167 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-11-07 18:57:41,168 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-11-07 18:57:41,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 18:57:41,168 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-07 18:57:41,168 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 18:57:41,168 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 18:57:41,168 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-07 18:57:41,168 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 18:57:41,168 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 18:57:41,168 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 18:57:41,168 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 18:57:41,168 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 18:57:41,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 18:57:41,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 18:57:41,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 18:57:41,169 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 18:57:41,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 18:57:41,169 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 18:57:41,169 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 18:57:41,169 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 18:57:41,169 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 18:57:41,170 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 -> 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7
[2024-11-07 18:57:41,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 18:57:41,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 18:57:41,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 18:57:41,465 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 18:57:41,465 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 18:57:41,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i
[2024-11-07 18:57:42,797 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 18:57:43,105 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 18:57:43,106 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i
[2024-11-07 18:57:43,119 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/46f8a270f/d96692c9c2ba4958912aed0d01e0552d/FLAG6fce61c05
[2024-11-07 18:57:43,363 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/46f8a270f/d96692c9c2ba4958912aed0d01e0552d
[2024-11-07 18:57:43,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 18:57:43,367 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 18:57:43,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 18:57:43,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 18:57:43,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 18:57:43,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:43" (1/1) ...
[2024-11-07 18:57:43,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36bdcc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:43, skipping insertion in model container
[2024-11-07 18:57:43,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:43" (1/1) ...
[2024-11-07 18:57:43,419 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 18:57:43,698 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 18:57:43,723 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 18:57:43,729 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 18:57:43,734 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 18:57:43,740 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-07 18:57:43,752 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-07 18:57:43,753 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-07 18:57:43,758 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 18:57:43,760 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 18:57:43,761 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 18:57:43,761 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 18:57:43,765 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 18:57:43,770 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 18:57:43,784 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 18:57:43,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3265b68e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:43, skipping insertion in model container
[2024-11-07 18:57:43,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 18:57:43,786 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2024-11-07 18:57:43,789 INFO L158 Benchmark]: Toolchain (without parser) took 421.64ms. Allocated memory is still 100.7MB. Free memory was 75.0MB in the beginning and 57.6MB in the end (delta: 17.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 18:57:43,790 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 18:57:43,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.58ms. Allocated memory is still 100.7MB. Free memory was 74.8MB in the beginning and 57.6MB in the end (delta: 17.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-07 18:57:43,793 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 418.58ms. Allocated memory is still 100.7MB. Free memory was 74.8MB in the beginning and 57.6MB in the end (delta: 17.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 764]: 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_SAX_test1-2.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 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 18:57:45,746 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 18:57:45,849 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2024-11-07 18:57:45,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 18:57:45,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 18:57:45,891 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 18:57:45,893 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 18:57:45,893 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 18:57:45,894 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 18:57:45,894 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 18:57:45,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 18:57:45,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 18:57:45,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 18:57:45,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 18:57:45,896 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 18:57:45,896 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 18:57:45,897 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-07 18:57:45,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 18:57:45,897 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-07 18:57:45,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 18:57:45,897 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-11-07 18:57:45,897 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-11-07 18:57:45,897 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-11-07 18:57:45,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 18:57:45,897 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-07 18:57:45,897 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-07 18:57:45,898 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 18:57:45,898 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-07 18:57:45,898 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 18:57:45,898 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-07 18:57:45,898 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 18:57:45,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 18:57:45,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 18:57:45,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 18:57:45,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 18:57:45,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 18:57:45,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 18:57:45,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 18:57:45,900 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-11-07 18:57:45,900 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-07 18:57:45,900 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 18:57:45,900 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 18:57:45,900 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 18:57:45,900 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 18:57:45,900 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 -> 7f552e336cb6eb3ea16ba25a84411e1d0c8dcfaa2b088c21df87ffefed1a84a7
[2024-11-07 18:57:46,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 18:57:46,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 18:57:46,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 18:57:46,177 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 18:57:46,178 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 18:57:46,179 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i
[2024-11-07 18:57:47,495 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 18:57:47,823 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 18:57:47,824 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test1-2.i
[2024-11-07 18:57:47,845 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/84888edd5/4e15efecf8ab4c18b2e932a673f9159f/FLAGfbfbfb52e
[2024-11-07 18:57:48,058 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/84888edd5/4e15efecf8ab4c18b2e932a673f9159f
[2024-11-07 18:57:48,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 18:57:48,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 18:57:48,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 18:57:48,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 18:57:48,065 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 18:57:48,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:48" (1/1) ...
[2024-11-07 18:57:48,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7149f9a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:48, skipping insertion in model container
[2024-11-07 18:57:48,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:48" (1/1) ...
[2024-11-07 18:57:48,095 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 18:57:48,464 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-07 18:57:48,496 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-07 18:57:48,500 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-07 18:57:48,504 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-07 18:57:48,510 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-07 18:57:48,525 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 18:57:48,526 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 18:57:48,528 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 18:57:48,529 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 18:57:48,530 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 18:57:48,531 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 18:57:48,535 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 18:57:48,539 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 18:57:48,557 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2024-11-07 18:57:48,570 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 18:57:48,616 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 18:57:48,641 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 18:57:48,645 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 18:57:48,650 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 18:57:48,655 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-07 18:57:48,663 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 18:57:48,664 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model
[2024-11-07 18:57:48,665 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 18:57:48,666 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 18:57:48,667 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 18:57:48,667 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 18:57:48,673 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 18:57:48,677 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 18:57:48,683 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 18:57:48,755 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 18:57:48,806 INFO L204 MainTranslator]: Completed translation
[2024-11-07 18:57:48,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:48 WrapperNode
[2024-11-07 18:57:48,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 18:57:48,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 18:57:48,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 18:57:48,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 18:57:48,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:48" (1/1) ...
[2024-11-07 18:57:48,832 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:48" (1/1) ...
[2024-11-07 18:57:48,867 INFO L138 Inliner]: procedures = 179, calls = 231, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 807
[2024-11-07 18:57:48,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 18:57:48,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 18:57:48,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 18:57:48,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 18:57:48,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:48" (1/1) ...
[2024-11-07 18:57:48,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:48" (1/1) ...
[2024-11-07 18:57:48,892 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:48" (1/1) ...
[2024-11-07 18:57:48,943 INFO L175 MemorySlicer]: Split 206 memory accesses to 2 slices as follows [2, 204]. 99 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 50 writes are split as follows [0, 50].
[2024-11-07 18:57:48,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:48" (1/1) ...
[2024-11-07 18:57:48,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:48" (1/1) ...
[2024-11-07 18:57:48,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:48" (1/1) ...
[2024-11-07 18:57:48,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:48" (1/1) ...
[2024-11-07 18:57:49,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:48" (1/1) ...
[2024-11-07 18:57:49,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:48" (1/1) ...
[2024-11-07 18:57:49,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 18:57:49,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 18:57:49,024 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 18:57:49,024 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 18:57:49,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:48" (1/1) ...
[2024-11-07 18:57:49,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 18:57:49,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 18:57:49,062 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 18:57:49,065 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 18:57:49,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0
[2024-11-07 18:57:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1
[2024-11-07 18:57:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-07 18:57:49,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-07 18:57:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-07 18:57:49,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-07 18:57:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0
[2024-11-07 18:57:49,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1
[2024-11-07 18:57:49,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0
[2024-11-07 18:57:49,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1
[2024-11-07 18:57:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-07 18:57:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 18:57:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-07 18:57:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-07 18:57:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-07 18:57:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-07 18:57:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-07 18:57:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-07 18:57:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-07 18:57:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-07 18:57:49,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-07 18:57:49,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 18:57:49,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 18:57:49,280 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 18:57:49,282 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 18:57:49,284 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-11-07 18:57:49,336 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-11-07 18:57:52,085 INFO L? ?]: Removed 907 outVars from TransFormulas that were not future-live.
[2024-11-07 18:57:52,085 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 18:57:52,118 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 18:57:52,118 INFO L316 CfgBuilder]: Removed 40 assume(true) statements.
[2024-11-07 18:57:52,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:52 BoogieIcfgContainer
[2024-11-07 18:57:52,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 18:57:52,125 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 18:57:52,125 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 18:57:52,130 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 18:57:52,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 06:57:48" (1/3) ...
[2024-11-07 18:57:52,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe9cdee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:57:52, skipping insertion in model container
[2024-11-07 18:57:52,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:48" (2/3) ...
[2024-11-07 18:57:52,131 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe9cdee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 06:57:52, skipping insertion in model container
[2024-11-07 18:57:52,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:52" (3/3) ...
[2024-11-07 18:57:52,132 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test1-2.i
[2024-11-07 18:57:52,147 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 18:57:52,148 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 425 error locations.
[2024-11-07 18:57:52,209 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 18:57:52,223 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;@7f82b5f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 18:57:52,223 INFO L334 AbstractCegarLoop]: Starting to check reachability of 425 error locations.
[2024-11-07 18:57:52,231 INFO L276 IsEmpty]: Start isEmpty. Operand has 858 states, 420 states have (on average 2.2261904761904763) internal successors, (935), 852 states have internal predecessors, (935), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-07 18:57:52,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-11-07 18:57:52,235 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:57:52,236 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-11-07 18:57:52,236 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:57:52,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:57:52,240 INFO L85 PathProgramCache]: Analyzing trace with hash 45876316, now seen corresponding path program 1 times
[2024-11-07 18:57:52,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:57:52,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544295567]
[2024-11-07 18:57:52,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:57:52,252 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 18:57:52,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:57:52,256 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 18:57:52,258 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 18:57:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:57:52,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 18:57:52,404 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:57:52,441 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 18:57:52,466 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 18:57:52,467 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:57:52,468 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:57:52,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544295567]
[2024-11-07 18:57:52,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1544295567] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:57:52,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:57:52,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 18:57:52,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143939829]
[2024-11-07 18:57:52,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:57:52,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 18:57:52,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:57:52,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 18:57:52,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 18:57:52,502 INFO L87 Difference]: Start difference. First operand has 858 states, 420 states have (on average 2.2261904761904763) internal successors, (935), 852 states have internal predecessors, (935), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 18:57:53,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:57:53,849 INFO L93 Difference]: Finished difference Result 801 states and 859 transitions.
[2024-11-07 18:57:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 18:57:53,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5
[2024-11-07 18:57:53,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:57:53,878 INFO L225 Difference]: With dead ends: 801
[2024-11-07 18:57:53,878 INFO L226 Difference]: Without dead ends: 799
[2024-11-07 18:57:53,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 18:57:53,883 INFO L432 NwaCegarLoop]: 547 mSDtfsCounter, 535 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-07 18:57:53,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 663 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-07 18:57:53,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states.
[2024-11-07 18:57:53,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 797.
[2024-11-07 18:57:53,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 414 states have (on average 2.0) internal successors, (828), 791 states have internal predecessors, (828), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-07 18:57:53,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 854 transitions.
[2024-11-07 18:57:53,960 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 854 transitions. Word has length 5
[2024-11-07 18:57:53,960 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:57:53,960 INFO L471 AbstractCegarLoop]: Abstraction has 797 states and 854 transitions.
[2024-11-07 18:57:53,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 18:57:53,960 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 854 transitions.
[2024-11-07 18:57:53,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-11-07 18:57:53,961 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:57:53,961 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-11-07 18:57:53,964 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 18:57:54,164 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 18:57:54,165 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:57:54,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:57:54,166 INFO L85 PathProgramCache]: Analyzing trace with hash 45876317, now seen corresponding path program 1 times
[2024-11-07 18:57:54,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:57:54,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1216576336]
[2024-11-07 18:57:54,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:57:54,166 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 18:57:54,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:57:54,168 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 18:57:54,170 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 18:57:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:57:54,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-07 18:57:54,263 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:57:54,273 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 18:57:54,291 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 18:57:54,291 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:57:54,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:57:54,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1216576336]
[2024-11-07 18:57:54,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1216576336] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:57:54,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:57:54,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 18:57:54,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194431230]
[2024-11-07 18:57:54,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:57:54,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 18:57:54,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:57:54,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 18:57:54,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 18:57:54,293 INFO L87 Difference]: Start difference. First operand 797 states and 854 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 18:57:55,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:57:55,493 INFO L93 Difference]: Finished difference Result 872 states and 933 transitions.
[2024-11-07 18:57:55,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 18:57:55,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5
[2024-11-07 18:57:55,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:57:55,497 INFO L225 Difference]: With dead ends: 872
[2024-11-07 18:57:55,497 INFO L226 Difference]: Without dead ends: 872
[2024-11-07 18:57:55,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 18:57:55,501 INFO L432 NwaCegarLoop]: 726 mSDtfsCounter, 263 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 1050 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-07 18:57:55,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 1050 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-07 18:57:55,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 872 states.
[2024-11-07 18:57:55,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 872 to 824.
[2024-11-07 18:57:55,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 451 states have (on average 1.9778270509977827) internal successors, (892), 818 states have internal predecessors, (892), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-07 18:57:55,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 918 transitions.
[2024-11-07 18:57:55,535 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 918 transitions. Word has length 5
[2024-11-07 18:57:55,535 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:57:55,535 INFO L471 AbstractCegarLoop]: Abstraction has 824 states and 918 transitions.
[2024-11-07 18:57:55,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 18:57:55,535 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 918 transitions.
[2024-11-07 18:57:55,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-07 18:57:55,535 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:57:55,535 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-07 18:57:55,540 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 (3)] Forceful destruction successful, exit code 0
[2024-11-07 18:57:55,739 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 18:57:55,739 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr312REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:57:55,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:57:55,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1422972308, now seen corresponding path program 1 times
[2024-11-07 18:57:55,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:57:55,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194149506]
[2024-11-07 18:57:55,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:57:55,740 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 18:57:55,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:57:55,742 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 18:57:55,745 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 18:57:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:57:55,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-07 18:57:55,831 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:57:55,842 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 18:57:55,842 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:57:55,842 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:57:55,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194149506]
[2024-11-07 18:57:55,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194149506] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:57:55,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:57:55,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 18:57:55,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836850600]
[2024-11-07 18:57:55,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:57:55,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 18:57:55,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:57:55,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 18:57:55,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 18:57:55,844 INFO L87 Difference]: Start difference. First operand 824 states and 918 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 18:57:55,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:57:55,930 INFO L93 Difference]: Finished difference Result 1397 states and 1554 transitions.
[2024-11-07 18:57:55,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 18:57:55,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6
[2024-11-07 18:57:55,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:57:55,940 INFO L225 Difference]: With dead ends: 1397
[2024-11-07 18:57:55,940 INFO L226 Difference]: Without dead ends: 1397
[2024-11-07 18:57:55,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 18:57:55,941 INFO L432 NwaCegarLoop]: 1055 mSDtfsCounter, 555 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 1893 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-07 18:57:55,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 1893 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 18:57:55,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1397 states.
[2024-11-07 18:57:55,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1397 to 825.
[2024-11-07 18:57:55,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 452 states have (on average 1.9756637168141593) internal successors, (893), 819 states have internal predecessors, (893), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-07 18:57:55,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 919 transitions.
[2024-11-07 18:57:55,969 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 919 transitions. Word has length 6
[2024-11-07 18:57:55,969 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:57:55,969 INFO L471 AbstractCegarLoop]: Abstraction has 825 states and 919 transitions.
[2024-11-07 18:57:55,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 18:57:55,970 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 919 transitions.
[2024-11-07 18:57:55,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-07 18:57:55,971 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:57:55,971 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 18:57:55,974 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 18:57:56,173 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 18:57:56,174 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:57:56,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:57:56,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1344610650, now seen corresponding path program 1 times
[2024-11-07 18:57:56,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:57:56,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897418350]
[2024-11-07 18:57:56,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:57:56,175 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 18:57:56,175 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:57:56,177 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 18:57:56,178 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 18:57:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:57:56,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-07 18:57:56,294 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:57:56,302 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 18:57:56,302 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:57:56,302 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:57:56,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897418350]
[2024-11-07 18:57:56,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897418350] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:57:56,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:57:56,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 18:57:56,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451238677]
[2024-11-07 18:57:56,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:57:56,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 18:57:56,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:57:56,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 18:57:56,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 18:57:56,303 INFO L87 Difference]: Start difference. First operand 825 states and 919 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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 18:57:56,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:57:56,334 INFO L93 Difference]: Finished difference Result 783 states and 876 transitions.
[2024-11-07 18:57:56,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 18:57:56,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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 18:57:56,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:57:56,337 INFO L225 Difference]: With dead ends: 783
[2024-11-07 18:57:56,338 INFO L226 Difference]: Without dead ends: 783
[2024-11-07 18:57:56,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 18:57:56,338 INFO L432 NwaCegarLoop]: 789 mSDtfsCounter, 71 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 1515 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 18:57:56,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 1515 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 18:57:56,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states.
[2024-11-07 18:57:56,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783.
[2024-11-07 18:57:56,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 783 states, 434 states have (on average 1.9585253456221199) internal successors, (850), 777 states have internal predecessors, (850), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-07 18:57:56,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 876 transitions.
[2024-11-07 18:57:56,354 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 876 transitions. Word has length 11
[2024-11-07 18:57:56,355 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:57:56,355 INFO L471 AbstractCegarLoop]: Abstraction has 783 states and 876 transitions.
[2024-11-07 18:57:56,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 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 18:57:56,355 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 876 transitions.
[2024-11-07 18:57:56,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-07 18:57:56,355 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:57:56,355 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 18:57:56,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2024-11-07 18:57:56,556 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 18:57:56,556 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:57:56,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:57:56,556 INFO L85 PathProgramCache]: Analyzing trace with hash 614317568, now seen corresponding path program 1 times
[2024-11-07 18:57:56,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:57:56,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [5480939]
[2024-11-07 18:57:56,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:57:56,557 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 18:57:56,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:57:56,560 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 18:57:56,561 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 18:57:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:57:56,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 18:57:56,685 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:57:56,706 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 18:57:56,706 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:57:56,706 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:57:56,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [5480939]
[2024-11-07 18:57:56,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [5480939] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:57:56,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:57:56,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 18:57:56,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867971008]
[2024-11-07 18:57:56,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:57:56,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 18:57:56,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:57:56,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 18:57:56,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:57:56,709 INFO L87 Difference]: Start difference. First operand 783 states and 876 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 18:57:56,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:57:56,788 INFO L93 Difference]: Finished difference Result 761 states and 847 transitions.
[2024-11-07 18:57:56,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-07 18:57:56,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2024-11-07 18:57:56,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:57:56,793 INFO L225 Difference]: With dead ends: 761
[2024-11-07 18:57:56,794 INFO L226 Difference]: Without dead ends: 761
[2024-11-07 18:57:56,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 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 18:57:56,796 INFO L432 NwaCegarLoop]: 744 mSDtfsCounter, 48 mSDsluCounter, 1462 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 2206 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 18:57:56,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 2206 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 18:57:56,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states.
[2024-11-07 18:57:56,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 761.
[2024-11-07 18:57:56,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 761 states, 426 states have (on average 1.9272300469483568) internal successors, (821), 755 states have internal predecessors, (821), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-07 18:57:56,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 847 transitions.
[2024-11-07 18:57:56,813 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 847 transitions. Word has length 13
[2024-11-07 18:57:56,814 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:57:56,814 INFO L471 AbstractCegarLoop]: Abstraction has 761 states and 847 transitions.
[2024-11-07 18:57:56,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 18:57:56,814 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 847 transitions.
[2024-11-07 18:57:56,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2024-11-07 18:57:56,815 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:57:56,815 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]
[2024-11-07 18:57:56,819 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 (6)] Forceful destruction successful, exit code 0
[2024-11-07 18:57:57,018 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 18:57:57,019 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:57:57,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:57:57,019 INFO L85 PathProgramCache]: Analyzing trace with hash -957630610, now seen corresponding path program 1 times
[2024-11-07 18:57:57,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:57:57,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129170017]
[2024-11-07 18:57:57,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:57:57,020 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 18:57:57,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:57:57,022 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 18:57:57,023 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 18:57:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:57:57,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-07 18:57:57,126 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:57:57,132 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 18:57:57,196 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 18:57:57,196 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:57:57,196 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:57:57,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129170017]
[2024-11-07 18:57:57,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [129170017] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:57:57,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:57:57,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 18:57:57,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314518500]
[2024-11-07 18:57:57,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:57:57,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 18:57:57,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:57:57,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 18:57:57,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:57:57,198 INFO L87 Difference]: Start difference. First operand 761 states and 847 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 18:57:58,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:57:58,632 INFO L93 Difference]: Finished difference Result 761 states and 847 transitions.
[2024-11-07 18:57:58,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-07 18:57:58,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 27
[2024-11-07 18:57:58,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:57:58,636 INFO L225 Difference]: With dead ends: 761
[2024-11-07 18:57:58,636 INFO L226 Difference]: Without dead ends: 761
[2024-11-07 18:57:58,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 18:57:58,637 INFO L432 NwaCegarLoop]: 499 mSDtfsCounter, 472 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 845 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-07 18:57:58,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 944 Invalid, 845 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-07 18:57:58,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states.
[2024-11-07 18:57:58,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 757.
[2024-11-07 18:57:58,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 426 states have (on average 1.9178403755868545) internal successors, (817), 751 states have internal predecessors, (817), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-07 18:57:58,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 843 transitions.
[2024-11-07 18:57:58,652 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 843 transitions. Word has length 27
[2024-11-07 18:57:58,653 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:57:58,653 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 843 transitions.
[2024-11-07 18:57:58,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 18:57:58,653 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 843 transitions.
[2024-11-07 18:57:58,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2024-11-07 18:57:58,654 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:57:58,654 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]
[2024-11-07 18:57:58,658 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 18:57:58,854 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 18:57:58,854 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:57:58,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:57:58,855 INFO L85 PathProgramCache]: Analyzing trace with hash -957630609, now seen corresponding path program 1 times
[2024-11-07 18:57:58,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:57:58,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105790617]
[2024-11-07 18:57:58,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:57:58,856 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 18:57:58,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:57:58,858 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 18:57:58,859 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 18:57:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:57:58,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-07 18:57:58,965 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:57:58,974 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 18:57:59,158 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 18:57:59,158 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:57:59,158 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:57:59,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105790617]
[2024-11-07 18:57:59,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1105790617] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:57:59,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:57:59,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 18:57:59,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211147829]
[2024-11-07 18:57:59,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:57:59,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 18:57:59,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:57:59,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 18:57:59,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:57:59,159 INFO L87 Difference]: Start difference. First operand 757 states and 843 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 18:58:00,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:58:00,985 INFO L93 Difference]: Finished difference Result 805 states and 858 transitions.
[2024-11-07 18:58:00,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-07 18:58:00,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 27
[2024-11-07 18:58:00,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:58:00,988 INFO L225 Difference]: With dead ends: 805
[2024-11-07 18:58:00,988 INFO L226 Difference]: Without dead ends: 805
[2024-11-07 18:58:00,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 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 18:58:00,988 INFO L432 NwaCegarLoop]: 680 mSDtfsCounter, 196 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 1371 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-07 18:58:00,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 1371 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-07 18:58:00,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states.
[2024-11-07 18:58:01,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 753.
[2024-11-07 18:58:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 753 states, 426 states have (on average 1.908450704225352) internal successors, (813), 747 states have internal predecessors, (813), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-07 18:58:01,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 839 transitions.
[2024-11-07 18:58:01,004 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 839 transitions. Word has length 27
[2024-11-07 18:58:01,005 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:58:01,005 INFO L471 AbstractCegarLoop]: Abstraction has 753 states and 839 transitions.
[2024-11-07 18:58:01,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 18:58:01,005 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 839 transitions.
[2024-11-07 18:58:01,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2024-11-07 18:58:01,006 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:58:01,007 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]
[2024-11-07 18:58:01,011 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 18:58:01,207 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 18:58:01,208 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr107REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:58:01,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:58:01,208 INFO L85 PathProgramCache]: Analyzing trace with hash -3860248, now seen corresponding path program 1 times
[2024-11-07 18:58:01,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:58:01,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [877933146]
[2024-11-07 18:58:01,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:58:01,209 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 18:58:01,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:58:01,213 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 18:58:01,214 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 18:58:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:58:01,395 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 18:58:01,397 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:58:01,441 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 18:58:01,441 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:58:01,441 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:58:01,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [877933146]
[2024-11-07 18:58:01,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [877933146] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:58:01,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:58:01,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 18:58:01,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394877029]
[2024-11-07 18:58:01,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:58:01,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 18:58:01,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:58:01,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 18:58:01,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:58:01,442 INFO L87 Difference]: Start difference. First operand 753 states and 839 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 18:58:01,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:58:01,497 INFO L93 Difference]: Finished difference Result 747 states and 829 transitions.
[2024-11-07 18:58:01,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-07 18:58:01,498 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 43
[2024-11-07 18:58:01,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:58:01,501 INFO L225 Difference]: With dead ends: 747
[2024-11-07 18:58:01,501 INFO L226 Difference]: Without dead ends: 747
[2024-11-07 18:58:01,501 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 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 18:58:01,501 INFO L432 NwaCegarLoop]: 738 mSDtfsCounter, 21 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 2183 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 18:58:01,502 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 2183 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 18:58:01,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states.
[2024-11-07 18:58:01,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747.
[2024-11-07 18:58:01,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 420 states have (on average 1.911904761904762) internal successors, (803), 741 states have internal predecessors, (803), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-07 18:58:01,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 829 transitions.
[2024-11-07 18:58:01,514 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 829 transitions. Word has length 43
[2024-11-07 18:58:01,514 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:58:01,514 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 829 transitions.
[2024-11-07 18:58:01,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 18:58:01,515 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 829 transitions.
[2024-11-07 18:58:01,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2024-11-07 18:58:01,515 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:58:01,516 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]
[2024-11-07 18:58:01,521 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 18:58:01,719 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 18:58:01,720 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr107REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:58:01,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:58:01,720 INFO L85 PathProgramCache]: Analyzing trace with hash 168131124, now seen corresponding path program 1 times
[2024-11-07 18:58:01,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:58:01,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435638813]
[2024-11-07 18:58:01,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:58:01,721 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 18:58:01,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:58:01,725 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 18:58:01,726 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 18:58:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:58:01,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 18:58:01,898 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:58:02,142 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 18:58:02,143 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:58:02,143 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:58:02,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435638813]
[2024-11-07 18:58:02,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1435638813] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:58:02,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:58:02,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 18:58:02,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104129267]
[2024-11-07 18:58:02,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:58:02,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 18:58:02,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:58:02,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 18:58:02,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 18:58:02,144 INFO L87 Difference]: Start difference. First operand 747 states and 829 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 18:58:02,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:58:02,329 INFO L93 Difference]: Finished difference Result 965 states and 1076 transitions.
[2024-11-07 18:58:02,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 18:58:02,331 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 51
[2024-11-07 18:58:02,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:58:02,335 INFO L225 Difference]: With dead ends: 965
[2024-11-07 18:58:02,336 INFO L226 Difference]: Without dead ends: 965
[2024-11-07 18:58:02,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 18:58:02,337 INFO L432 NwaCegarLoop]: 825 mSDtfsCounter, 178 mSDsluCounter, 687 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 1512 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-07 18:58:02,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 1512 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-07 18:58:02,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states.
[2024-11-07 18:58:02,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 794.
[2024-11-07 18:58:02,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 467 states have (on average 1.8201284796573876) internal successors, (850), 788 states have internal predecessors, (850), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-07 18:58:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 876 transitions.
[2024-11-07 18:58:02,351 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 876 transitions. Word has length 51
[2024-11-07 18:58:02,351 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:58:02,352 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 876 transitions.
[2024-11-07 18:58:02,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 18:58:02,352 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 876 transitions.
[2024-11-07 18:58:02,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55
[2024-11-07 18:58:02,355 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:58:02,355 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]
[2024-11-07 18:58:02,363 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 18:58:02,555 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 18:58:02,558 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:58:02,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:58:02,558 INFO L85 PathProgramCache]: Analyzing trace with hash 754975115, now seen corresponding path program 1 times
[2024-11-07 18:58:02,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:58:02,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1901493392]
[2024-11-07 18:58:02,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:58:02,559 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 18:58:02,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:58:02,565 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 18:58:02,567 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 18:58:02,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:58:02,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-07 18:58:02,894 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:58:02,902 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 18:58:02,909 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 18:58:03,350 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-07 18:58:03,352 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 18:58:03,370 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size
[2024-11-07 18:58:03,371 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 18:58:03,383 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 18:58:03,383 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:58:03,383 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:58:03,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1901493392]
[2024-11-07 18:58:03,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1901493392] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:58:03,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:58:03,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 18:58:03,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028420573]
[2024-11-07 18:58:03,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:58:03,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 18:58:03,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:58:03,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 18:58:03,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:58:03,384 INFO L87 Difference]: Start difference. First operand 794 states and 876 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 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 18:58:04,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:58:04,593 INFO L93 Difference]: Finished difference Result 756 states and 838 transitions.
[2024-11-07 18:58:04,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-07 18:58:04,593 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 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 54
[2024-11-07 18:58:04,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:58:04,596 INFO L225 Difference]: With dead ends: 756
[2024-11-07 18:58:04,596 INFO L226 Difference]: Without dead ends: 756
[2024-11-07 18:58:04,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 51 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 18:58:04,597 INFO L432 NwaCegarLoop]: 415 mSDtfsCounter, 374 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 606 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-07 18:58:04,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 682 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 606 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-07 18:58:04,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states.
[2024-11-07 18:58:04,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 719.
[2024-11-07 18:58:04,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 430 states have (on average 1.716279069767442) internal successors, (738), 713 states have internal predecessors, (738), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-07 18:58:04,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 764 transitions.
[2024-11-07 18:58:04,613 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 764 transitions. Word has length 54
[2024-11-07 18:58:04,614 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:58:04,614 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 764 transitions.
[2024-11-07 18:58:04,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 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 18:58:04,614 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 764 transitions.
[2024-11-07 18:58:04,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2024-11-07 18:58:04,614 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:58:04,615 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]
[2024-11-07 18:58:04,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0
[2024-11-07 18:58:04,818 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 18:58:04,818 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:58:04,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:58:04,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1572100217, now seen corresponding path program 1 times
[2024-11-07 18:58:04,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:58:04,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [835479366]
[2024-11-07 18:58:04,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:58:04,820 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 18:58:04,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:58:04,823 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 18:58:04,824 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 18:58:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:58:05,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-07 18:58:05,048 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:58:05,056 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 18:58:05,072 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 18:58:05,092 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 18:58:05,101 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 18:58:05,101 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:58:05,102 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:58:05,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [835479366]
[2024-11-07 18:58:05,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [835479366] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:58:05,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:58:05,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 18:58:05,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523005022]
[2024-11-07 18:58:05,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:58:05,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 18:58:05,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:58:05,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 18:58:05,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-07 18:58:05,104 INFO L87 Difference]: Start difference. First operand 719 states and 764 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 18:58:06,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:58:06,304 INFO L93 Difference]: Finished difference Result 718 states and 763 transitions.
[2024-11-07 18:58:06,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-07 18:58:06,305 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 59
[2024-11-07 18:58:06,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:58:06,307 INFO L225 Difference]: With dead ends: 718
[2024-11-07 18:58:06,307 INFO L226 Difference]: Without dead ends: 718
[2024-11-07 18:58:06,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 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 18:58:06,308 INFO L432 NwaCegarLoop]: 711 mSDtfsCounter, 2 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 1009 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1842 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1009 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-07 18:58:06,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1842 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1009 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-07 18:58:06,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states.
[2024-11-07 18:58:06,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 718.
[2024-11-07 18:58:06,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 430 states have (on average 1.713953488372093) internal successors, (737), 712 states have internal predecessors, (737), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-07 18:58:06,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 763 transitions.
[2024-11-07 18:58:06,321 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 763 transitions. Word has length 59
[2024-11-07 18:58:06,322 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:58:06,322 INFO L471 AbstractCegarLoop]: Abstraction has 718 states and 763 transitions.
[2024-11-07 18:58:06,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 18:58:06,322 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 763 transitions.
[2024-11-07 18:58:06,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2024-11-07 18:58:06,325 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:58:06,325 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]
[2024-11-07 18:58:06,333 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 18:58:06,526 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 18:58:06,526 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:58:06,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:58:06,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1572100216, now seen corresponding path program 1 times
[2024-11-07 18:58:06,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:58:06,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816437339]
[2024-11-07 18:58:06,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:58:06,527 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 18:58:06,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:58:06,529 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 18:58:06,530 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 18:58:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:58:06,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-07 18:58:06,720 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:58:06,729 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 18:58:06,747 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 18:58:06,756 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 18:58:06,815 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 18:58:06,831 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 18:58:06,832 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:58:06,832 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:58:06,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816437339]
[2024-11-07 18:58:06,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [816437339] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:58:06,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:58:06,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 18:58:06,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761662481]
[2024-11-07 18:58:06,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:58:06,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 18:58:06,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:58:06,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 18:58:06,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-07 18:58:06,834 INFO L87 Difference]: Start difference. First operand 718 states and 763 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 18:58:08,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:58:08,268 INFO L93 Difference]: Finished difference Result 717 states and 762 transitions.
[2024-11-07 18:58:08,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-07 18:58:08,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 59
[2024-11-07 18:58:08,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:58:08,270 INFO L225 Difference]: With dead ends: 717
[2024-11-07 18:58:08,270 INFO L226 Difference]: Without dead ends: 717
[2024-11-07 18:58:08,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 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 18:58:08,271 INFO L432 NwaCegarLoop]: 711 mSDtfsCounter, 1 mSDsluCounter, 1154 mSDsCounter, 0 mSdLazyCounter, 983 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 983 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-07 18:58:08,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1865 Invalid, 984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 983 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-07 18:58:08,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states.
[2024-11-07 18:58:08,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717.
[2024-11-07 18:58:08,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 429 states have (on average 1.7156177156177157) internal successors, (736), 711 states have internal predecessors, (736), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-07 18:58:08,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 762 transitions.
[2024-11-07 18:58:08,281 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 762 transitions. Word has length 59
[2024-11-07 18:58:08,281 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:58:08,281 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 762 transitions.
[2024-11-07 18:58:08,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 18:58:08,281 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 762 transitions.
[2024-11-07 18:58:08,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2024-11-07 18:58:08,282 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:58:08,282 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]
[2024-11-07 18:58:08,290 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 (13)] Forceful destruction successful, exit code 0
[2024-11-07 18:58:08,482 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 18:58:08,483 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:58:08,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:58:08,483 INFO L85 PathProgramCache]: Analyzing trace with hash 216241902, now seen corresponding path program 1 times
[2024-11-07 18:58:08,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:58:08,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [318907857]
[2024-11-07 18:58:08,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:58:08,483 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 18:58:08,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:58:08,485 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 18:58:08,486 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 18:58:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:58:08,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 18:58:08,712 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:58:08,738 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 18:58:08,738 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 18:58:08,739 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:58:08,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [318907857]
[2024-11-07 18:58:08,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [318907857] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 18:58:08,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 18:58:08,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 18:58:08,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686646132]
[2024-11-07 18:58:08,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 18:58:08,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 18:58:08,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:58:08,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 18:58:08,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 18:58:08,741 INFO L87 Difference]: Start difference. First operand 717 states and 762 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 18:58:08,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:58:08,781 INFO L93 Difference]: Finished difference Result 720 states and 766 transitions.
[2024-11-07 18:58:08,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-07 18:58:08,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 67
[2024-11-07 18:58:08,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:58:08,785 INFO L225 Difference]: With dead ends: 720
[2024-11-07 18:58:08,785 INFO L226 Difference]: Without dead ends: 720
[2024-11-07 18:58:08,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 64 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 18:58:08,786 INFO L432 NwaCegarLoop]: 711 mSDtfsCounter, 0 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2128 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 18:58:08,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2128 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 18:58:08,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states.
[2024-11-07 18:58:08,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720.
[2024-11-07 18:58:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 431 states have (on average 1.71461716937355) internal successors, (739), 714 states have internal predecessors, (739), 13 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (14), 4 states have call predecessors, (14), 13 states have call successors, (14)
[2024-11-07 18:58:08,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 766 transitions.
[2024-11-07 18:58:08,805 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 766 transitions. Word has length 67
[2024-11-07 18:58:08,805 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:58:08,805 INFO L471 AbstractCegarLoop]: Abstraction has 720 states and 766 transitions.
[2024-11-07 18:58:08,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 18:58:08,806 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 766 transitions.
[2024-11-07 18:58:08,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2024-11-07 18:58:08,806 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:58:08,806 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]
[2024-11-07 18:58:08,814 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 18:58:09,007 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 18:58:09,007 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:58:09,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:58:09,008 INFO L85 PathProgramCache]: Analyzing trace with hash -572148029, now seen corresponding path program 1 times
[2024-11-07 18:58:09,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:58:09,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085362753]
[2024-11-07 18:58:09,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 18:58:09,008 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 18:58:09,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:58:09,010 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 18:58:09,011 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 18:58:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 18:58:09,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-07 18:58:09,217 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:58:09,243 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 18:58:09,243 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 18:58:09,300 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 18:58:09,301 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:58:09,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1085362753]
[2024-11-07 18:58:09,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1085362753] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 18:58:09,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-07 18:58:09,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2024-11-07 18:58:09,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084749773]
[2024-11-07 18:58:09,301 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-07 18:58:09,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-07 18:58:09,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:58:09,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-07 18:58:09,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-07 18:58:09,306 INFO L87 Difference]: Start difference. First operand 720 states and 766 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 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 18:58:09,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:58:09,409 INFO L93 Difference]: Finished difference Result 732 states and 783 transitions.
[2024-11-07 18:58:09,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-07 18:58:09,410 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 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 68
[2024-11-07 18:58:09,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:58:09,412 INFO L225 Difference]: With dead ends: 732
[2024-11-07 18:58:09,412 INFO L226 Difference]: Without dead ends: 732
[2024-11-07 18:58:09,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 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 18:58:09,413 INFO L432 NwaCegarLoop]: 711 mSDtfsCounter, 5 mSDsluCounter, 2124 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2835 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-07 18:58:09,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2835 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 18:58:09,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states.
[2024-11-07 18:58:09,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 730.
[2024-11-07 18:58:09,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 730 states, 440 states have (on average 1.7136363636363636) internal successors, (754), 723 states have internal predecessors, (754), 13 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (14), 4 states have call predecessors, (14), 13 states have call successors, (14)
[2024-11-07 18:58:09,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 781 transitions.
[2024-11-07 18:58:09,427 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 781 transitions. Word has length 68
[2024-11-07 18:58:09,427 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:58:09,427 INFO L471 AbstractCegarLoop]: Abstraction has 730 states and 781 transitions.
[2024-11-07 18:58:09,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 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 18:58:09,428 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 781 transitions.
[2024-11-07 18:58:09,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2024-11-07 18:58:09,428 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:58:09,428 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]
[2024-11-07 18:58:09,436 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 (15)] Forceful destruction successful, exit code 0
[2024-11-07 18:58:09,628 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 18:58:09,629 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:58:09,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:58:09,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1280795694, now seen corresponding path program 2 times
[2024-11-07 18:58:09,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:58:09,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1182479008]
[2024-11-07 18:58:09,630 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-07 18:58:09,630 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 18:58:09,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:58:09,631 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 18:58:09,632 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 18:58:10,006 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-07 18:58:10,006 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-07 18:58:10,016 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-07 18:58:10,018 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:58:10,082 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 18:58:10,082 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 18:58:10,263 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 18:58:10,263 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:58:10,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1182479008]
[2024-11-07 18:58:10,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1182479008] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 18:58:10,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-07 18:58:10,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14
[2024-11-07 18:58:10,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420027107]
[2024-11-07 18:58:10,264 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-07 18:58:10,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-07 18:58:10,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:58:10,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-07 18:58:10,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182
[2024-11-07 18:58:10,265 INFO L87 Difference]: Start difference. First operand 730 states and 781 transitions. Second operand has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 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 18:58:10,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:58:10,731 INFO L93 Difference]: Finished difference Result 745 states and 802 transitions.
[2024-11-07 18:58:10,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2024-11-07 18:58:10,732 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 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 71
[2024-11-07 18:58:10,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:58:10,734 INFO L225 Difference]: With dead ends: 745
[2024-11-07 18:58:10,734 INFO L226 Difference]: Without dead ends: 739
[2024-11-07 18:58:10,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506
[2024-11-07 18:58:10,737 INFO L432 NwaCegarLoop]: 712 mSDtfsCounter, 14 mSDsluCounter, 4253 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4965 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-07 18:58:10,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4965 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-07 18:58:10,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states.
[2024-11-07 18:58:10,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 739.
[2024-11-07 18:58:10,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 739 states, 449 states have (on average 1.7037861915367483) internal successors, (765), 732 states have internal predecessors, (765), 13 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (14), 4 states have call predecessors, (14), 13 states have call successors, (14)
[2024-11-07 18:58:10,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 792 transitions.
[2024-11-07 18:58:10,751 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 792 transitions. Word has length 71
[2024-11-07 18:58:10,751 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:58:10,751 INFO L471 AbstractCegarLoop]: Abstraction has 739 states and 792 transitions.
[2024-11-07 18:58:10,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.428571428571429) internal successors, (76), 14 states have internal predecessors, (76), 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 18:58:10,752 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 792 transitions.
[2024-11-07 18:58:10,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78
[2024-11-07 18:58:10,752 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:58:10,752 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]
[2024-11-07 18:58:10,763 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 (16)] Ended with exit code 0
[2024-11-07 18:58:10,952 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 18:58:10,953 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:58:10,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:58:10,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1827542002, now seen corresponding path program 3 times
[2024-11-07 18:58:10,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:58:10,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [367693362]
[2024-11-07 18:58:10,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-07 18:58:10,954 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 18:58:10,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:58:10,956 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 18:58:10,958 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 18:58:11,432 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s)
[2024-11-07 18:58:11,433 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-07 18:58:11,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-07 18:58:11,445 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:58:11,561 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 18:58:11,561 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 18:58:11,991 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 18:58:11,992 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:58:11,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [367693362]
[2024-11-07 18:58:11,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [367693362] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 18:58:11,992 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-07 18:58:11,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26
[2024-11-07 18:58:11,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667067067]
[2024-11-07 18:58:11,992 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-07 18:58:11,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2024-11-07 18:58:11,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:58:11,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2024-11-07 18:58:11,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650
[2024-11-07 18:58:11,993 INFO L87 Difference]: Start difference. First operand 739 states and 792 transitions. Second operand has 26 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 26 states have internal predecessors, (88), 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 18:58:13,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:58:13,180 INFO L93 Difference]: Finished difference Result 763 states and 831 transitions.
[2024-11-07 18:58:13,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states.
[2024-11-07 18:58:13,181 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 26 states have internal predecessors, (88), 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 77
[2024-11-07 18:58:13,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:58:13,184 INFO L225 Difference]: With dead ends: 763
[2024-11-07 18:58:13,184 INFO L226 Difference]: Without dead ends: 757
[2024-11-07 18:58:13,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162
[2024-11-07 18:58:13,185 INFO L432 NwaCegarLoop]: 712 mSDtfsCounter, 23 mSDsluCounter, 8507 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 9219 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-07 18:58:13,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 9219 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-07 18:58:13,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states.
[2024-11-07 18:58:13,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 757.
[2024-11-07 18:58:13,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 467 states have (on average 1.6873661670235547) internal successors, (788), 750 states have internal predecessors, (788), 13 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (14), 4 states have call predecessors, (14), 13 states have call successors, (14)
[2024-11-07 18:58:13,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 815 transitions.
[2024-11-07 18:58:13,198 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 815 transitions. Word has length 77
[2024-11-07 18:58:13,198 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:58:13,198 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 815 transitions.
[2024-11-07 18:58:13,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.3846153846153846) internal successors, (88), 26 states have internal predecessors, (88), 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 18:58:13,198 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 815 transitions.
[2024-11-07 18:58:13,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90
[2024-11-07 18:58:13,199 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:58:13,199 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]
[2024-11-07 18:58:13,210 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 18:58:13,399 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 18:58:13,400 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:58:13,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:58:13,400 INFO L85 PathProgramCache]: Analyzing trace with hash -473119794, now seen corresponding path program 4 times
[2024-11-07 18:58:13,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:58:13,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932189258]
[2024-11-07 18:58:13,401 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-07 18:58:13,401 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 18:58:13,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:58:13,404 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 18:58:13,405 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 18:58:13,807 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-07 18:58:13,807 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-07 18:58:13,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 25 conjuncts are in the unsatisfiable core
[2024-11-07 18:58:13,822 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:58:14,126 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 18:58:14,126 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 18:58:15,222 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 18:58:15,222 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:58:15,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932189258]
[2024-11-07 18:58:15,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [932189258] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 18:58:15,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-07 18:58:15,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50
[2024-11-07 18:58:15,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537025644]
[2024-11-07 18:58:15,223 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-07 18:58:15,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states
[2024-11-07 18:58:15,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 18:58:15,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants.
[2024-11-07 18:58:15,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450
[2024-11-07 18:58:15,225 INFO L87 Difference]: Start difference. First operand 757 states and 815 transitions. Second operand has 50 states, 50 states have (on average 2.24) internal successors, (112), 50 states have internal predecessors, (112), 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 18:58:19,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 18:58:19,380 INFO L93 Difference]: Finished difference Result 797 states and 887 transitions.
[2024-11-07 18:58:19,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states.
[2024-11-07 18:58:19,381 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 2.24) internal successors, (112), 50 states have internal predecessors, (112), 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 89
[2024-11-07 18:58:19,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 18:58:19,383 INFO L225 Difference]: With dead ends: 797
[2024-11-07 18:58:19,384 INFO L226 Difference]: Without dead ends: 793
[2024-11-07 18:58:19,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 128 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 18:58:19,386 INFO L432 NwaCegarLoop]: 711 mSDtfsCounter, 34 mSDsluCounter, 16287 mSDsCounter, 0 mSdLazyCounter, 1911 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 16998 SdHoareTripleChecker+Invalid, 1950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-11-07 18:58:19,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 16998 Invalid, 1950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1911 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-11-07 18:58:19,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states.
[2024-11-07 18:58:19,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 791.
[2024-11-07 18:58:19,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 501 states have (on average 1.6646706586826348) internal successors, (834), 784 states have internal predecessors, (834), 13 states have call successors, (13), 3 states have call predecessors, (13), 4 states have return successors, (14), 4 states have call predecessors, (14), 13 states have call successors, (14)
[2024-11-07 18:58:19,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 861 transitions.
[2024-11-07 18:58:19,399 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 861 transitions. Word has length 89
[2024-11-07 18:58:19,399 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 18:58:19,399 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 861 transitions.
[2024-11-07 18:58:19,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.24) internal successors, (112), 50 states have internal predecessors, (112), 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 18:58:19,399 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 861 transitions.
[2024-11-07 18:58:19,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2024-11-07 18:58:19,400 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 18:58:19,400 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]
[2024-11-07 18:58:19,412 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 18:58:19,601 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 18:58:19,601 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 422 more)] ===
[2024-11-07 18:58:19,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 18:58:19,602 INFO L85 PathProgramCache]: Analyzing trace with hash 666044590, now seen corresponding path program 5 times
[2024-11-07 18:58:19,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 18:58:19,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2004627384]
[2024-11-07 18:58:19,602 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-07 18:58:19,602 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 18:58:19,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 18:58:19,604 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 18:58:19,605 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 18:58:20,639 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s)
[2024-11-07 18:58:20,639 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-07 18:58:20,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 58 conjuncts are in the unsatisfiable core
[2024-11-07 18:58:20,663 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 18:58:20,678 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size
[2024-11-07 18:58:20,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 22
[2024-11-07 18:58:20,984 INFO L349 Elim1Store]: treesize reduction 54, result has 29.9 percent of original size
[2024-11-07 18:58:20,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 28 treesize of output 45
[2024-11-07 18:58:21,043 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 18:58:21,168 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 42 treesize of output 24
[2024-11-07 18:58:23,255 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size
[2024-11-07 18:58:23,256 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 62 treesize of output 59
[2024-11-07 18:58:23,338 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 51 treesize of output 27
[2024-11-07 18:58:23,392 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 18:58:23,392 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 18:58:23,693 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1646 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv0 1) (bvadd (_ bv1 1) (select |c_#valid| (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_#t~mem32#1.base| v_ArrVal_1646) |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 18:58:23,699 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 18:58:23,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2004627384]
[2024-11-07 18:58:23,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2004627384] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 18:58:23,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1861061407]
[2024-11-07 18:58:23,699 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-07 18:58:23,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-07 18:58:23,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-07 18:58:23,703 INFO L229 MonitoredProcess]: Starting monitored process 20 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 18:58:23,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process