./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.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_SFH_test8-2.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', 'dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd']
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_SFH_test8-2.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 dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 19:03:12,273 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 19:03:12,356 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf
[2024-11-07 19:03:12,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 19:03:12,363 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 19:03:12,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 19:03:12,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 19:03:12,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 19:03:12,393 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 19:03:12,393 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 19:03:12,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 19:03:12,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 19:03:12,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 19:03:12,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 19:03:12,394 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 19:03:12,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 19:03:12,394 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-07 19:03:12,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 19:03:12,394 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-07 19:03:12,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 19:03:12,394 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-11-07 19:03:12,394 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-11-07 19:03:12,394 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-11-07 19:03:12,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 19:03:12,395 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-07 19:03:12,395 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 19:03:12,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 19:03:12,395 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-07 19:03:12,395 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 19:03:12,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 19:03:12,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 19:03:12,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 19:03:12,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 19:03:12,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 19:03:12,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 19:03:12,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 19:03:12,396 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-07 19:03:12,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 19:03:12,396 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 19:03:12,396 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 19:03:12,396 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 19:03:12,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 19:03:12,396 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 -> dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd
[2024-11-07 19:03:12,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 19:03:12,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 19:03:12,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 19:03:12,723 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 19:03:12,723 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 19:03:12,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i
[2024-11-07 19:03:14,051 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 19:03:14,367 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 19:03:14,370 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i
[2024-11-07 19:03:14,389 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f2400f9b0/f53e50696e934a98aa6facbb0213673a/FLAG5c1b9745e
[2024-11-07 19:03:14,411 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f2400f9b0/f53e50696e934a98aa6facbb0213673a
[2024-11-07 19:03:14,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 19:03:14,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 19:03:14,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 19:03:14,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 19:03:14,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 19:03:14,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:03:14" (1/1) ...
[2024-11-07 19:03:14,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a43fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:03:14, skipping insertion in model container
[2024-11-07 19:03:14,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:03:14" (1/1) ...
[2024-11-07 19:03:14,473 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 19:03:14,953 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 19:03:14,988 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 19:03:14,992 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 19:03:14,998 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 19:03:15,004 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 19:03:15,034 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 19:03:15,035 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 19:03:15,037 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 19:03:15,038 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 19:03:15,040 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 19:03:15,042 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 19:03:15,044 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 19:03:15,044 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 19:03:15,048 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 19:03:15,050 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 19:03:15,051 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 19:03:15,052 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 19:03:15,053 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 19:03:15,057 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 19:03:15,064 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 19:03:15,084 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 19:03:15,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@56dca342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:03:15, skipping insertion in model container
[2024-11-07 19:03:15,085 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 19:03:15,085 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2024-11-07 19:03:15,089 INFO L158 Benchmark]: Toolchain (without parser) took 669.86ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 69.1MB in the end (delta: 20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-07 19:03:15,092 INFO L158 Benchmark]: CDTParser took 1.10ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-07 19:03:15,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 667.43ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 69.1MB in the end (delta: 20.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-07 19:03:15,093 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.10ms. Allocated memory is still 117.4MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 667.43ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 69.1MB in the end (delta: 20.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 778]: 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_SFH_test8-2.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 dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 19:03:17,277 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-07 19:03:17,378 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2024-11-07 19:03:17,384 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 19:03:17,386 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 19:03:17,417 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 19:03:17,419 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 19:03:17,419 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 19:03:17,419 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 19:03:17,419 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-07 19:03:17,420 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 19:03:17,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 19:03:17,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 19:03:17,420 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-07 19:03:17,420 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-07 19:03:17,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 19:03:17,420 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-07 19:03:17,420 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-07 19:03:17,421 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-07 19:03:17,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-07 19:03:17,421 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2024-11-07 19:03:17,421 INFO L153 SettingsManager]: * Bitprecise bitfields=true
[2024-11-07 19:03:17,421 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2024-11-07 19:03:17,421 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 19:03:17,421 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-07 19:03:17,421 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-07 19:03:17,421 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-07 19:03:17,421 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-07 19:03:17,421 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-07 19:03:17,421 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-07 19:03:17,421 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-07 19:03:17,422 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 19:03:17,422 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-07 19:03:17,422 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 19:03:17,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-07 19:03:17,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 19:03:17,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 19:03:17,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 19:03:17,426 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-11-07 19:03:17,426 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-07 19:03:17,426 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 19:03:17,426 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 19:03:17,426 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 19:03:17,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 19:03:17,426 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 -> dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd
[2024-11-07 19:03:17,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 19:03:17,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 19:03:17,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 19:03:17,745 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-07 19:03:17,746 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-07 19:03:17,747 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i
[2024-11-07 19:03:19,070 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-07 19:03:19,390 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-07 19:03:19,396 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i
[2024-11-07 19:03:19,423 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ad6a0b7ed/ef74b8e844bb422fa6b8c80b36c605ce/FLAG5af6f2e09
[2024-11-07 19:03:19,439 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ad6a0b7ed/ef74b8e844bb422fa6b8c80b36c605ce
[2024-11-07 19:03:19,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 19:03:19,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 19:03:19,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 19:03:19,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 19:03:19,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 19:03:19,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:03:19" (1/1) ...
[2024-11-07 19:03:19,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36026124 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:03:19, skipping insertion in model container
[2024-11-07 19:03:19,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:03:19" (1/1) ...
[2024-11-07 19:03:19,485 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 19:03:19,879 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 19:03:19,908 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 19:03:19,912 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 19:03:19,917 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 19:03:19,922 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 19:03:19,956 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 19:03:19,958 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 19:03:19,961 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 19:03:19,962 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 19:03:19,964 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 19:03:19,966 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 19:03:19,967 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 19:03:19,968 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 19:03:19,972 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 19:03:19,975 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 19:03:19,976 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 19:03:19,976 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 19:03:19,977 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 19:03:19,983 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 19:03:19,996 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 19:03:20,023 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2024-11-07 19:03:20,040 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-07 19:03:20,089 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 19:03:20,108 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 19:03:20,110 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 19:03:20,116 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 19:03:20,121 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 19:03:20,144 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 19:03:20,145 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 19:03:20,152 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 19:03:20,153 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 19:03:20,155 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 19:03:20,156 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 19:03:20,156 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 19:03:20,157 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 19:03:20,161 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 19:03:20,163 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 19:03:20,164 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 19:03:20,164 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 19:03:20,165 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 19:03:20,167 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 19:03:20,175 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 19:03:20,186 INFO L200 MainTranslator]: Completed pre-run
[2024-11-07 19:03:20,282 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-07 19:03:20,320 INFO L204 MainTranslator]: Completed translation
[2024-11-07 19:03:20,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:03:20 WrapperNode
[2024-11-07 19:03:20,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 19:03:20,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 19:03:20,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 19:03:20,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 19:03:20,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:03:20" (1/1) ...
[2024-11-07 19:03:20,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:03:20" (1/1) ...
[2024-11-07 19:03:20,416 INFO L138 Inliner]: procedures = 180, calls = 342, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1204
[2024-11-07 19:03:20,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 19:03:20,417 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 19:03:20,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 19:03:20,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 19:03:20,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:03:20" (1/1) ...
[2024-11-07 19:03:20,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:03:20" (1/1) ...
[2024-11-07 19:03:20,450 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:03:20" (1/1) ...
[2024-11-07 19:03:20,536 INFO L175 MemorySlicer]: Split 304 memory accesses to 3 slices as follows [2, 268, 34]. 88 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 62 writes are split as follows [0, 58, 4].
[2024-11-07 19:03:20,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:03:20" (1/1) ...
[2024-11-07 19:03:20,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:03:20" (1/1) ...
[2024-11-07 19:03:20,590 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:03:20" (1/1) ...
[2024-11-07 19:03:20,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:03:20" (1/1) ...
[2024-11-07 19:03:20,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:03:20" (1/1) ...
[2024-11-07 19:03:20,611 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:03:20" (1/1) ...
[2024-11-07 19:03:20,620 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 19:03:20,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 19:03:20,621 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 19:03:20,621 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-07 19:03:20,622 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:03:20" (1/1) ...
[2024-11-07 19:03:20,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 19:03:20,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 19:03:20,650 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 19:03:20,653 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 19:03:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-11-07 19:03:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-11-07 19:03:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0
[2024-11-07 19:03:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1
[2024-11-07 19:03:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2
[2024-11-07 19:03:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-11-07 19:03:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-11-07 19:03:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2
[2024-11-07 19:03:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-07 19:03:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-07 19:03:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0
[2024-11-07 19:03:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1
[2024-11-07 19:03:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2
[2024-11-07 19:03:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0
[2024-11-07 19:03:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1
[2024-11-07 19:03:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2
[2024-11-07 19:03:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure test_int
[2024-11-07 19:03:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int
[2024-11-07 19:03:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-07 19:03:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 19:03:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-07 19:03:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-07 19:03:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-11-07 19:03:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-07 19:03:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-07 19:03:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-07 19:03:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-07 19:03:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-07 19:03:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0
[2024-11-07 19:03:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1
[2024-11-07 19:03:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2
[2024-11-07 19:03:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-07 19:03:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-11-07 19:03:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2
[2024-11-07 19:03:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 19:03:20,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 19:03:20,944 INFO L238 CfgBuilder]: Building ICFG
[2024-11-07 19:03:20,946 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 19:03:20,967 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-11-07 19:03:21,003 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-11-07 19:03:21,025 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-11-07 19:03:25,597 INFO L? ?]: Removed 1322 outVars from TransFormulas that were not future-live.
[2024-11-07 19:03:25,597 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-07 19:03:25,633 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 19:03:25,633 INFO L316 CfgBuilder]: Removed 71 assume(true) statements.
[2024-11-07 19:03:25,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:03:25 BoogieIcfgContainer
[2024-11-07 19:03:25,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 19:03:25,636 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 19:03:25,636 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 19:03:25,642 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-07 19:03:25,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:03:19" (1/3) ...
[2024-11-07 19:03:25,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549cff63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:03:25, skipping insertion in model container
[2024-11-07 19:03:25,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:03:20" (2/3) ...
[2024-11-07 19:03:25,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549cff63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:03:25, skipping insertion in model container
[2024-11-07 19:03:25,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:03:25" (3/3) ...
[2024-11-07 19:03:25,644 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test8-2.i
[2024-11-07 19:03:25,660 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 19:03:25,661 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 634 error locations.
[2024-11-07 19:03:25,733 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 19:03:25,745 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;@412bb9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 19:03:25,747 INFO L334 AbstractCegarLoop]: Starting to check reachability of 634 error locations.
[2024-11-07 19:03:25,758 INFO L276 IsEmpty]: Start isEmpty. Operand has 1300 states, 642 states have (on average 2.2274143302180685) internal successors, (1430), 1290 states have internal predecessors, (1430), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-07 19:03:25,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2024-11-07 19:03:25,765 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:25,765 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1]
[2024-11-07 19:03:25,766 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:25,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:25,770 INFO L85 PathProgramCache]: Analyzing trace with hash 158947, now seen corresponding path program 1 times
[2024-11-07 19:03:25,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:25,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [977345670]
[2024-11-07 19:03:25,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:25,781 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 19:03:25,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:25,784 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 19:03:25,790 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 19:03:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:25,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:25,961 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:25,995 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 19:03:26,011 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 19:03:26,012 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 19:03:26,013 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:26,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [977345670]
[2024-11-07 19:03:26,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [977345670] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:03:26,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:03:26,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 19:03:26,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759191544]
[2024-11-07 19:03:26,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:03:26,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 19:03:26,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:26,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 19:03:26,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 19:03:26,047 INFO L87 Difference]: Start difference. First operand has 1300 states, 642 states have (on average 2.2274143302180685) internal successors, (1430), 1290 states have internal predecessors, (1430), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:27,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:27,968 INFO L93 Difference]: Finished difference Result 1482 states and 1589 transitions.
[2024-11-07 19:03:27,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 19:03:27,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2024-11-07 19:03:27,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:27,985 INFO L225 Difference]: With dead ends: 1482
[2024-11-07 19:03:27,985 INFO L226 Difference]: Without dead ends: 1480
[2024-11-07 19:03:27,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 19:03:27,989 INFO L432 NwaCegarLoop]: 823 mSDtfsCounter, 1153 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-07 19:03:27,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 1062 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-07 19:03:28,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1480 states.
[2024-11-07 19:03:28,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1480 to 1289.
[2024-11-07 19:03:28,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1289 states, 647 states have (on average 2.081916537867079) internal successors, (1347), 1278 states have internal predecessors, (1347), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21)
[2024-11-07 19:03:28,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 1289 states and 1391 transitions.
[2024-11-07 19:03:28,080 INFO L78 Accepts]: Start accepts. Automaton has 1289 states and 1391 transitions. Word has length 3
[2024-11-07 19:03:28,080 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:28,080 INFO L471 AbstractCegarLoop]: Abstraction has 1289 states and 1391 transitions.
[2024-11-07 19:03:28,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:28,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1391 transitions.
[2024-11-07 19:03:28,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2024-11-07 19:03:28,082 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:28,082 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1]
[2024-11-07 19:03:28,086 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 19:03:28,285 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 19:03:28,286 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:28,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:28,286 INFO L85 PathProgramCache]: Analyzing trace with hash 158948, now seen corresponding path program 1 times
[2024-11-07 19:03:28,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:28,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [334233676]
[2024-11-07 19:03:28,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:28,287 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 19:03:28,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:28,289 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 19:03:28,291 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 19:03:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:28,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:28,404 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:28,412 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 19:03:28,425 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 19:03:28,425 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 19:03:28,426 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:28,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [334233676]
[2024-11-07 19:03:28,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [334233676] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:03:28,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:03:28,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 19:03:28,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649318888]
[2024-11-07 19:03:28,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:03:28,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 19:03:28,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:28,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 19:03:28,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 19:03:28,428 INFO L87 Difference]: Start difference. First operand 1289 states and 1391 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:31,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:31,120 INFO L93 Difference]: Finished difference Result 1891 states and 2036 transitions.
[2024-11-07 19:03:31,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 19:03:31,121 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2024-11-07 19:03:31,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:31,130 INFO L225 Difference]: With dead ends: 1891
[2024-11-07 19:03:31,130 INFO L226 Difference]: Without dead ends: 1891
[2024-11-07 19:03:31,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 19:03:31,131 INFO L432 NwaCegarLoop]: 1086 mSDtfsCounter, 641 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 642 SdHoareTripleChecker+Valid, 1842 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-11-07 19:03:31,131 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [642 Valid, 1842 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-11-07 19:03:31,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1891 states.
[2024-11-07 19:03:31,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1891 to 1501.
[2024-11-07 19:03:31,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1501 states, 859 states have (on average 2.067520372526193) internal successors, (1776), 1489 states have internal predecessors, (1776), 24 states have call successors, (24), 4 states have call predecessors, (24), 3 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-07 19:03:31,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1501 states and 1822 transitions.
[2024-11-07 19:03:31,169 INFO L78 Accepts]: Start accepts. Automaton has 1501 states and 1822 transitions. Word has length 3
[2024-11-07 19:03:31,170 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:31,170 INFO L471 AbstractCegarLoop]: Abstraction has 1501 states and 1822 transitions.
[2024-11-07 19:03:31,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 1822 transitions.
[2024-11-07 19:03:31,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-07 19:03:31,170 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:31,171 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:31,174 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-07 19:03:31,371 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 19:03:31,372 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:31,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:31,372 INFO L85 PathProgramCache]: Analyzing trace with hash 765366893, now seen corresponding path program 1 times
[2024-11-07 19:03:31,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:31,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [91633272]
[2024-11-07 19:03:31,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:31,373 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 19:03:31,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:31,376 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 19:03:31,378 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 19:03:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:31,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:31,534 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:31,549 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 19:03:31,555 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 19:03:31,619 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-07 19:03:31,621 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 19:03:31,644 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size
[2024-11-07 19:03:31,644 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 19:03:31,674 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 19:03:31,674 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 19:03:31,675 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:31,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [91633272]
[2024-11-07 19:03:31,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [91633272] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:03:31,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:03:31,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 19:03:31,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503716132]
[2024-11-07 19:03:31,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:03:31,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 19:03:31,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:31,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 19:03:31,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-07 19:03:31,677 INFO L87 Difference]: Start difference. First operand 1501 states and 1822 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:34,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:34,329 INFO L93 Difference]: Finished difference Result 1686 states and 2014 transitions.
[2024-11-07 19:03:34,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-07 19:03:34,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2024-11-07 19:03:34,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:34,338 INFO L225 Difference]: With dead ends: 1686
[2024-11-07 19:03:34,338 INFO L226 Difference]: Without dead ends: 1686
[2024-11-07 19:03:34,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-07 19:03:34,341 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 2607 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2613 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 1144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-11-07 19:03:34,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2613 Valid, 664 Invalid, 1144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-11-07 19:03:34,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states.
[2024-11-07 19:03:34,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1277.
[2024-11-07 19:03:34,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1277 states, 647 states have (on average 2.061823802163833) internal successors, (1334), 1266 states have internal predecessors, (1334), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21)
[2024-11-07 19:03:34,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1378 transitions.
[2024-11-07 19:03:34,376 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1378 transitions. Word has length 7
[2024-11-07 19:03:34,376 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:34,376 INFO L471 AbstractCegarLoop]: Abstraction has 1277 states and 1378 transitions.
[2024-11-07 19:03:34,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:34,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1378 transitions.
[2024-11-07 19:03:34,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-07 19:03:34,376 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:34,376 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:34,382 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 19:03:34,577 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 19:03:34,578 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:34,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:34,582 INFO L85 PathProgramCache]: Analyzing trace with hash -2043429998, now seen corresponding path program 1 times
[2024-11-07 19:03:34,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:34,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [240729212]
[2024-11-07 19:03:34,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:34,583 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 19:03:34,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:34,585 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 19:03:34,590 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 19:03:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:34,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:34,711 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:34,718 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 19:03:34,733 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 19:03:34,733 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 19:03:34,733 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:34,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [240729212]
[2024-11-07 19:03:34,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [240729212] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:03:34,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:03:34,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 19:03:34,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498728922]
[2024-11-07 19:03:34,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:03:34,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 19:03:34,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:34,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 19:03:34,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 19:03:34,737 INFO L87 Difference]: Start difference. First operand 1277 states and 1378 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:36,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:36,563 INFO L93 Difference]: Finished difference Result 1611 states and 1741 transitions.
[2024-11-07 19:03:36,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 19:03:36,564 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-11-07 19:03:36,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:36,569 INFO L225 Difference]: With dead ends: 1611
[2024-11-07 19:03:36,569 INFO L226 Difference]: Without dead ends: 1611
[2024-11-07 19:03:36,570 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 19:03:36,572 INFO L432 NwaCegarLoop]: 1222 mSDtfsCounter, 938 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 943 SdHoareTripleChecker+Valid, 1634 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-07 19:03:36,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [943 Valid, 1634 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-07 19:03:36,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1611 states.
[2024-11-07 19:03:36,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1611 to 1229.
[2024-11-07 19:03:36,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 647 states have (on average 1.9860896445131375) internal successors, (1285), 1218 states have internal predecessors, (1285), 23 states have call successors, (23), 4 states have call predecessors, (23), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21)
[2024-11-07 19:03:36,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1329 transitions.
[2024-11-07 19:03:36,607 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1329 transitions. Word has length 8
[2024-11-07 19:03:36,607 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:36,607 INFO L471 AbstractCegarLoop]: Abstraction has 1229 states and 1329 transitions.
[2024-11-07 19:03:36,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:36,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1329 transitions.
[2024-11-07 19:03:36,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-07 19:03:36,608 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:36,608 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:36,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2024-11-07 19:03:36,812 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 19:03:36,812 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:36,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:36,812 INFO L85 PathProgramCache]: Analyzing trace with hash -2043429997, now seen corresponding path program 1 times
[2024-11-07 19:03:36,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:36,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1536788240]
[2024-11-07 19:03:36,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:36,813 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 19:03:36,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:36,815 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 19:03:36,816 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 19:03:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:36,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:36,939 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:36,952 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 19:03:36,977 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 19:03:36,977 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 19:03:36,977 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:36,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1536788240]
[2024-11-07 19:03:36,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1536788240] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:03:36,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:03:36,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-07 19:03:36,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087747558]
[2024-11-07 19:03:36,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:03:36,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 19:03:36,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:36,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 19:03:36,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 19:03:36,978 INFO L87 Difference]: Start difference. First operand 1229 states and 1329 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:39,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:39,094 INFO L93 Difference]: Finished difference Result 1712 states and 1848 transitions.
[2024-11-07 19:03:39,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 19:03:39,096 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8
[2024-11-07 19:03:39,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:39,100 INFO L225 Difference]: With dead ends: 1712
[2024-11-07 19:03:39,100 INFO L226 Difference]: Without dead ends: 1712
[2024-11-07 19:03:39,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 19:03:39,102 INFO L432 NwaCegarLoop]: 1423 mSDtfsCounter, 701 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 703 SdHoareTripleChecker+Valid, 2019 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-11-07 19:03:39,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [703 Valid, 2019 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-11-07 19:03:39,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1712 states.
[2024-11-07 19:03:39,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1712 to 1484.
[2024-11-07 19:03:39,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 910 states have (on average 1.9714285714285715) internal successors, (1794), 1471 states have internal predecessors, (1794), 25 states have call successors, (25), 4 states have call predecessors, (25), 3 states have return successors, (23), 9 states have call predecessors, (23), 23 states have call successors, (23)
[2024-11-07 19:03:39,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 1842 transitions.
[2024-11-07 19:03:39,136 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 1842 transitions. Word has length 8
[2024-11-07 19:03:39,136 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:39,136 INFO L471 AbstractCegarLoop]: Abstraction has 1484 states and 1842 transitions.
[2024-11-07 19:03:39,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:39,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1842 transitions.
[2024-11-07 19:03:39,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-07 19:03:39,137 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:39,137 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:39,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0
[2024-11-07 19:03:39,340 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 19:03:39,340 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr527REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:39,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:39,340 INFO L85 PathProgramCache]: Analyzing trace with hash 98792037, now seen corresponding path program 1 times
[2024-11-07 19:03:39,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:39,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777392323]
[2024-11-07 19:03:39,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:39,341 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 19:03:39,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:39,343 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 19:03:39,344 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 19:03:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:39,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:39,486 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:39,538 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 19:03:39,538 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 19:03:39,538 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:39,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777392323]
[2024-11-07 19:03:39,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777392323] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:03:39,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:03:39,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 19:03:39,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075090314]
[2024-11-07 19:03:39,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:03:39,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 19:03:39,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:39,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 19:03:39,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 19:03:39,540 INFO L87 Difference]: Start difference. First operand 1484 states and 1842 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 19:03:39,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:39,854 INFO L93 Difference]: Finished difference Result 2256 states and 2870 transitions.
[2024-11-07 19:03:39,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 19:03:39,854 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 19:03:39,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:39,862 INFO L225 Difference]: With dead ends: 2256
[2024-11-07 19:03:39,864 INFO L226 Difference]: Without dead ends: 2256
[2024-11-07 19:03:39,864 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 19:03:39,864 INFO L432 NwaCegarLoop]: 1443 mSDtfsCounter, 635 mSDsluCounter, 1187 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 636 SdHoareTripleChecker+Valid, 2630 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-07 19:03:39,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [636 Valid, 2630 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-07 19:03:39,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2256 states.
[2024-11-07 19:03:39,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2256 to 1893.
[2024-11-07 19:03:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1893 states, 1317 states have (on average 1.9582384206529992) internal successors, (2579), 1878 states have internal predecessors, (2579), 27 states have call successors, (27), 4 states have call predecessors, (27), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25)
[2024-11-07 19:03:39,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1893 states and 2631 transitions.
[2024-11-07 19:03:39,911 INFO L78 Accepts]: Start accepts. Automaton has 1893 states and 2631 transitions. Word has length 11
[2024-11-07 19:03:39,912 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:39,912 INFO L471 AbstractCegarLoop]: Abstraction has 1893 states and 2631 transitions.
[2024-11-07 19:03:39,913 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 19:03:39,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2631 transitions.
[2024-11-07 19:03:39,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-07 19:03:39,913 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:39,913 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:39,919 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 19:03:40,114 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 19:03:40,115 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr334REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:40,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:40,115 INFO L85 PathProgramCache]: Analyzing trace with hash -149348106, now seen corresponding path program 1 times
[2024-11-07 19:03:40,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:40,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [589840682]
[2024-11-07 19:03:40,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:40,116 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 19:03:40,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:40,118 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 19:03:40,121 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 19:03:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:40,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:40,260 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:40,270 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 19:03:40,270 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 19:03:40,270 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:40,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [589840682]
[2024-11-07 19:03:40,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [589840682] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:03:40,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:03:40,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 19:03:40,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151374801]
[2024-11-07 19:03:40,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:03:40,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 19:03:40,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:40,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 19:03:40,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 19:03:40,271 INFO L87 Difference]: Start difference. First operand 1893 states and 2631 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:40,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:40,312 INFO L93 Difference]: Finished difference Result 1797 states and 2459 transitions.
[2024-11-07 19:03:40,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 19:03:40,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2024-11-07 19:03:40,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:40,318 INFO L225 Difference]: With dead ends: 1797
[2024-11-07 19:03:40,318 INFO L226 Difference]: Without dead ends: 1797
[2024-11-07 19:03:40,318 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 19:03:40,319 INFO L432 NwaCegarLoop]: 1248 mSDtfsCounter, 71 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 2433 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 19:03:40,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 2433 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 19:03:40,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1797 states.
[2024-11-07 19:03:40,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1797 to 1797.
[2024-11-07 19:03:40,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1797 states, 1245 states have (on average 1.9333333333333333) internal successors, (2407), 1782 states have internal predecessors, (2407), 27 states have call successors, (27), 4 states have call predecessors, (27), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25)
[2024-11-07 19:03:40,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1797 states and 2459 transitions.
[2024-11-07 19:03:40,370 INFO L78 Accepts]: Start accepts. Automaton has 1797 states and 2459 transitions. Word has length 13
[2024-11-07 19:03:40,370 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:40,370 INFO L471 AbstractCegarLoop]: Abstraction has 1797 states and 2459 transitions.
[2024-11-07 19:03:40,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:40,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2459 transitions.
[2024-11-07 19:03:40,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-07 19:03:40,371 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:40,371 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:40,375 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 19:03:40,574 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 19:03:40,575 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr632ASSERT_VIOLATIONMEMORY_LEAK === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:40,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:40,576 INFO L85 PathProgramCache]: Analyzing trace with hash 1068465001, now seen corresponding path program 1 times
[2024-11-07 19:03:40,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:40,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803948737]
[2024-11-07 19:03:40,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:40,576 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 19:03:40,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:40,579 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 19:03:40,581 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 19:03:40,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:40,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:40,762 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:40,769 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-07 19:03:40,769 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-07 19:03:40,770 INFO L173 IndexEqualityManager]: detected equality via solver
[2024-11-07 19:03:40,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39
[2024-11-07 19:03:40,830 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-07 19:03:40,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 70 treesize of output 26
[2024-11-07 19:03:40,844 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 19:03:40,845 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 19:03:40,845 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:40,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [803948737]
[2024-11-07 19:03:40,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [803948737] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:03:40,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:03:40,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 19:03:40,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509970575]
[2024-11-07 19:03:40,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:03:40,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 19:03:40,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:40,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 19:03:40,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 19:03:40,847 INFO L87 Difference]: Start difference. First operand 1797 states and 2459 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 19:03:41,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:41,215 INFO L93 Difference]: Finished difference Result 3149 states and 4219 transitions.
[2024-11-07 19:03:41,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-07 19:03:41,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 14
[2024-11-07 19:03:41,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:41,228 INFO L225 Difference]: With dead ends: 3149
[2024-11-07 19:03:41,228 INFO L226 Difference]: Without dead ends: 3149
[2024-11-07 19:03:41,228 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 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 19:03:41,229 INFO L432 NwaCegarLoop]: 1233 mSDtfsCounter, 1122 mSDsluCounter, 2456 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1127 SdHoareTripleChecker+Valid, 3689 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-07 19:03:41,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1127 Valid, 3689 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-07 19:03:41,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states.
[2024-11-07 19:03:41,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 1796.
[2024-11-07 19:03:41,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1796 states, 1244 states have (on average 1.9332797427652733) internal successors, (2405), 1781 states have internal predecessors, (2405), 27 states have call successors, (27), 4 states have call predecessors, (27), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25)
[2024-11-07 19:03:41,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1796 states to 1796 states and 2457 transitions.
[2024-11-07 19:03:41,286 INFO L78 Accepts]: Start accepts. Automaton has 1796 states and 2457 transitions. Word has length 14
[2024-11-07 19:03:41,286 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:41,286 INFO L471 AbstractCegarLoop]: Abstraction has 1796 states and 2457 transitions.
[2024-11-07 19:03:41,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 19:03:41,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2457 transitions.
[2024-11-07 19:03:41,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-07 19:03:41,287 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:41,287 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:41,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0
[2024-11-07 19:03:41,488 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 19:03:41,488 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:41,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:41,488 INFO L85 PathProgramCache]: Analyzing trace with hash 114814847, now seen corresponding path program 1 times
[2024-11-07 19:03:41,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:41,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398942333]
[2024-11-07 19:03:41,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:41,489 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 19:03:41,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:41,491 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 19:03:41,492 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 19:03:41,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:41,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:41,653 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:41,663 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 19:03:41,664 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 19:03:41,664 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:41,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398942333]
[2024-11-07 19:03:41,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398942333] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:03:41,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:03:41,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 19:03:41,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670982933]
[2024-11-07 19:03:41,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:03:41,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 19:03:41,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:41,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 19:03:41,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 19:03:41,666 INFO L87 Difference]: Start difference. First operand 1796 states and 2457 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:41,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:41,694 INFO L93 Difference]: Finished difference Result 1736 states and 2371 transitions.
[2024-11-07 19:03:41,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-07 19:03:41,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18
[2024-11-07 19:03:41,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:41,700 INFO L225 Difference]: With dead ends: 1736
[2024-11-07 19:03:41,700 INFO L226 Difference]: Without dead ends: 1736
[2024-11-07 19:03:41,701 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 19:03:41,701 INFO L432 NwaCegarLoop]: 1205 mSDtfsCounter, 71 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 2347 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 19:03:41,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 2347 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 19:03:41,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1736 states.
[2024-11-07 19:03:41,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1736 to 1736.
[2024-11-07 19:03:41,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1736 states, 1208 states have (on average 1.919701986754967) internal successors, (2319), 1721 states have internal predecessors, (2319), 27 states have call successors, (27), 4 states have call predecessors, (27), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25)
[2024-11-07 19:03:41,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2371 transitions.
[2024-11-07 19:03:41,737 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2371 transitions. Word has length 18
[2024-11-07 19:03:41,737 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:41,738 INFO L471 AbstractCegarLoop]: Abstraction has 1736 states and 2371 transitions.
[2024-11-07 19:03:41,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:41,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2371 transitions.
[2024-11-07 19:03:41,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2024-11-07 19:03:41,738 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:41,738 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:41,744 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 19:03:41,939 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 19:03:41,939 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:41,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:41,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1332082440, now seen corresponding path program 1 times
[2024-11-07 19:03:41,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:41,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [30450596]
[2024-11-07 19:03:41,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:41,941 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 19:03:41,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:41,943 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 19:03:41,944 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 19:03:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:42,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:42,087 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:42,100 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 19:03:42,100 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 19:03:42,100 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:42,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [30450596]
[2024-11-07 19:03:42,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [30450596] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:03:42,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:03:42,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 19:03:42,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518748990]
[2024-11-07 19:03:42,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:03:42,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 19:03:42,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:42,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 19:03:42,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 19:03:42,101 INFO L87 Difference]: Start difference. First operand 1736 states and 2371 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:42,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:42,161 INFO L93 Difference]: Finished difference Result 1706 states and 2313 transitions.
[2024-11-07 19:03:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-07 19:03:42,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20
[2024-11-07 19:03:42,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:42,167 INFO L225 Difference]: With dead ends: 1706
[2024-11-07 19:03:42,167 INFO L226 Difference]: Without dead ends: 1706
[2024-11-07 19:03:42,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-07 19:03:42,168 INFO L432 NwaCegarLoop]: 1160 mSDtfsCounter, 48 mSDsluCounter, 2294 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 3454 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-07 19:03:42,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 3454 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 19:03:42,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1706 states.
[2024-11-07 19:03:42,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1706 to 1706.
[2024-11-07 19:03:42,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1706 states, 1192 states have (on average 1.8968120805369129) internal successors, (2261), 1691 states have internal predecessors, (2261), 27 states have call successors, (27), 4 states have call predecessors, (27), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25)
[2024-11-07 19:03:42,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 2313 transitions.
[2024-11-07 19:03:42,198 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 2313 transitions. Word has length 20
[2024-11-07 19:03:42,198 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:42,198 INFO L471 AbstractCegarLoop]: Abstraction has 1706 states and 2313 transitions.
[2024-11-07 19:03:42,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:42,198 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2313 transitions.
[2024-11-07 19:03:42,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2024-11-07 19:03:42,199 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:42,199 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:42,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0
[2024-11-07 19:03:42,399 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 19:03:42,400 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:42,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:42,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1087784634, now seen corresponding path program 1 times
[2024-11-07 19:03:42,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:42,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [838454677]
[2024-11-07 19:03:42,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:42,401 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 19:03:42,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:42,402 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 19:03:42,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process
[2024-11-07 19:03:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:42,560 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:42,563 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:42,571 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 19:03:42,647 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 19:03:42,647 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 19:03:42,647 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:42,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [838454677]
[2024-11-07 19:03:42,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [838454677] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:03:42,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:03:42,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 19:03:42,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49290990]
[2024-11-07 19:03:42,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:03:42,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 19:03:42,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:42,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 19:03:42,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 19:03:42,648 INFO L87 Difference]: Start difference. First operand 1706 states and 2313 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:44,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:44,246 INFO L93 Difference]: Finished difference Result 1723 states and 2329 transitions.
[2024-11-07 19:03:44,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-07 19:03:44,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34
[2024-11-07 19:03:44,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:44,252 INFO L225 Difference]: With dead ends: 1723
[2024-11-07 19:03:44,252 INFO L226 Difference]: Without dead ends: 1723
[2024-11-07 19:03:44,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-07 19:03:44,252 INFO L432 NwaCegarLoop]: 757 mSDtfsCounter, 828 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 833 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-11-07 19:03:44,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [833 Valid, 1540 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-11-07 19:03:44,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states.
[2024-11-07 19:03:44,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1702.
[2024-11-07 19:03:44,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1702 states, 1192 states have (on average 1.8901006711409396) internal successors, (2253), 1687 states have internal predecessors, (2253), 27 states have call successors, (27), 4 states have call predecessors, (27), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25)
[2024-11-07 19:03:44,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 2305 transitions.
[2024-11-07 19:03:44,288 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 2305 transitions. Word has length 34
[2024-11-07 19:03:44,289 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:44,290 INFO L471 AbstractCegarLoop]: Abstraction has 1702 states and 2305 transitions.
[2024-11-07 19:03:44,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:44,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2305 transitions.
[2024-11-07 19:03:44,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2024-11-07 19:03:44,291 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:44,291 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:44,296 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 19:03:44,491 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 19:03:44,492 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:44,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:44,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1087784633, now seen corresponding path program 1 times
[2024-11-07 19:03:44,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:44,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2107946690]
[2024-11-07 19:03:44,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:44,494 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 19:03:44,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:44,496 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 19:03:44,499 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 19:03:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:44,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:44,667 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:44,680 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 19:03:44,866 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 19:03:44,866 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 19:03:44,866 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:44,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2107946690]
[2024-11-07 19:03:44,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2107946690] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:03:44,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:03:44,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 19:03:44,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342823736]
[2024-11-07 19:03:44,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:03:44,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 19:03:44,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:44,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 19:03:44,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 19:03:44,867 INFO L87 Difference]: Start difference. First operand 1702 states and 2305 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:47,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:47,256 INFO L93 Difference]: Finished difference Result 1911 states and 2312 transitions.
[2024-11-07 19:03:47,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-07 19:03:47,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34
[2024-11-07 19:03:47,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:47,262 INFO L225 Difference]: With dead ends: 1911
[2024-11-07 19:03:47,262 INFO L226 Difference]: Without dead ends: 1911
[2024-11-07 19:03:47,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-07 19:03:47,263 INFO L432 NwaCegarLoop]: 1413 mSDtfsCounter, 587 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 1484 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 2884 SdHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-11-07 19:03:47,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 2884 Invalid, 1487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1484 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-11-07 19:03:47,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1911 states.
[2024-11-07 19:03:47,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1911 to 1698.
[2024-11-07 19:03:47,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1698 states, 1192 states have (on average 1.8833892617449663) internal successors, (2245), 1683 states have internal predecessors, (2245), 27 states have call successors, (27), 4 states have call predecessors, (27), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25)
[2024-11-07 19:03:47,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1698 states and 2297 transitions.
[2024-11-07 19:03:47,291 INFO L78 Accepts]: Start accepts. Automaton has 1698 states and 2297 transitions. Word has length 34
[2024-11-07 19:03:47,292 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:47,292 INFO L471 AbstractCegarLoop]: Abstraction has 1698 states and 2297 transitions.
[2024-11-07 19:03:47,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:47,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2297 transitions.
[2024-11-07 19:03:47,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2024-11-07 19:03:47,295 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:47,295 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:47,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0
[2024-11-07 19:03:47,496 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 19:03:47,497 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:47,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:47,497 INFO L85 PathProgramCache]: Analyzing trace with hash 477063392, now seen corresponding path program 1 times
[2024-11-07 19:03:47,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:47,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150714705]
[2024-11-07 19:03:47,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:47,498 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 19:03:47,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:47,500 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 19:03:47,502 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 19:03:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:47,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:47,727 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:47,773 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 19:03:47,773 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 19:03:47,774 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:47,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150714705]
[2024-11-07 19:03:47,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150714705] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:03:47,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:03:47,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 19:03:47,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246852349]
[2024-11-07 19:03:47,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:03:47,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 19:03:47,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:47,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 19:03:47,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 19:03:47,775 INFO L87 Difference]: Start difference. First operand 1698 states and 2297 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:47,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:47,832 INFO L93 Difference]: Finished difference Result 1686 states and 2277 transitions.
[2024-11-07 19:03:47,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-07 19:03:47,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53
[2024-11-07 19:03:47,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:47,837 INFO L225 Difference]: With dead ends: 1686
[2024-11-07 19:03:47,837 INFO L226 Difference]: Without dead ends: 1686
[2024-11-07 19:03:47,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-07 19:03:47,838 INFO L432 NwaCegarLoop]: 1154 mSDtfsCounter, 21 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 3431 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 19:03:47,838 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 3431 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 19:03:47,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states.
[2024-11-07 19:03:47,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1686.
[2024-11-07 19:03:47,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1686 states, 1180 states have (on average 1.8855932203389831) internal successors, (2225), 1671 states have internal predecessors, (2225), 27 states have call successors, (27), 4 states have call predecessors, (27), 3 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25)
[2024-11-07 19:03:47,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1686 states and 2277 transitions.
[2024-11-07 19:03:47,864 INFO L78 Accepts]: Start accepts. Automaton has 1686 states and 2277 transitions. Word has length 53
[2024-11-07 19:03:47,865 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:47,865 INFO L471 AbstractCegarLoop]: Abstraction has 1686 states and 2277 transitions.
[2024-11-07 19:03:47,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:47,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1686 states and 2277 transitions.
[2024-11-07 19:03:47,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2024-11-07 19:03:47,867 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:47,867 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:47,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0
[2024-11-07 19:03:48,068 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 19:03:48,068 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:48,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:48,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1964348524, now seen corresponding path program 1 times
[2024-11-07 19:03:48,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:48,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [244365720]
[2024-11-07 19:03:48,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:48,069 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 19:03:48,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:48,072 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 19:03:48,073 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 19:03:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:48,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:48,475 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:48,489 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 19:03:48,497 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 19:03:48,989 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-07 19:03:48,990 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 19:03:49,003 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size
[2024-11-07 19:03:49,003 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 19:03:49,015 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 19:03:49,016 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 19:03:49,016 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:49,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [244365720]
[2024-11-07 19:03:49,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [244365720] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:03:49,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:03:49,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 19:03:49,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547512975]
[2024-11-07 19:03:49,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:03:49,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 19:03:49,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:49,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 19:03:49,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-07 19:03:49,017 INFO L87 Difference]: Start difference. First operand 1686 states and 2277 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:50,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:50,505 INFO L93 Difference]: Finished difference Result 1659 states and 2251 transitions.
[2024-11-07 19:03:50,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-07 19:03:50,506 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61
[2024-11-07 19:03:50,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:50,512 INFO L225 Difference]: With dead ends: 1659
[2024-11-07 19:03:50,512 INFO L226 Difference]: Without dead ends: 1659
[2024-11-07 19:03:50,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-07 19:03:50,513 INFO L432 NwaCegarLoop]: 586 mSDtfsCounter, 772 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-11-07 19:03:50,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 904 Invalid, 902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-11-07 19:03:50,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states.
[2024-11-07 19:03:50,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1257.
[2024-11-07 19:03:50,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1257 states, 794 states have (on average 1.8035264483627205) internal successors, (1432), 1245 states have internal predecessors, (1432), 24 states have call successors, (24), 4 states have call predecessors, (24), 3 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-07 19:03:50,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 1478 transitions.
[2024-11-07 19:03:50,532 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 1478 transitions. Word has length 61
[2024-11-07 19:03:50,532 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:50,532 INFO L471 AbstractCegarLoop]: Abstraction has 1257 states and 1478 transitions.
[2024-11-07 19:03:50,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:50,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1478 transitions.
[2024-11-07 19:03:50,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2024-11-07 19:03:50,533 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:50,533 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:50,543 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0
[2024-11-07 19:03:50,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 19:03:50,738 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr76REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:50,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:50,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1594198879, now seen corresponding path program 1 times
[2024-11-07 19:03:50,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:50,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1600390961]
[2024-11-07 19:03:50,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:50,739 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 19:03:50,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:50,741 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 19:03:50,742 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 19:03:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:51,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:51,029 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:51,042 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 19:03:51,056 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 19:03:51,084 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 19:03:51,095 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 19:03:51,095 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 19:03:51,095 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:51,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1600390961]
[2024-11-07 19:03:51,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1600390961] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:03:51,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:03:51,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 19:03:51,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147768192]
[2024-11-07 19:03:51,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:03:51,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 19:03:51,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:51,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 19:03:51,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-07 19:03:51,097 INFO L87 Difference]: Start difference. First operand 1257 states and 1478 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:52,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:52,953 INFO L93 Difference]: Finished difference Result 1256 states and 1477 transitions.
[2024-11-07 19:03:52,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-07 19:03:52,954 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66
[2024-11-07 19:03:52,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:52,957 INFO L225 Difference]: With dead ends: 1256
[2024-11-07 19:03:52,958 INFO L226 Difference]: Without dead ends: 1256
[2024-11-07 19:03:52,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-07 19:03:52,958 INFO L432 NwaCegarLoop]: 1125 mSDtfsCounter, 2 mSDsluCounter, 1858 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2983 SdHoareTripleChecker+Invalid, 1525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-07 19:03:52,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2983 Invalid, 1525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1524 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-07 19:03:52,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1256 states.
[2024-11-07 19:03:52,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1256 to 1256.
[2024-11-07 19:03:52,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1256 states, 794 states have (on average 1.8022670025188916) internal successors, (1431), 1244 states have internal predecessors, (1431), 24 states have call successors, (24), 4 states have call predecessors, (24), 3 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-07 19:03:52,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1477 transitions.
[2024-11-07 19:03:52,972 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1477 transitions. Word has length 66
[2024-11-07 19:03:52,972 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:52,972 INFO L471 AbstractCegarLoop]: Abstraction has 1256 states and 1477 transitions.
[2024-11-07 19:03:52,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:52,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1477 transitions.
[2024-11-07 19:03:52,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2024-11-07 19:03:52,973 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:52,973 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:52,980 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 19:03:53,173 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 19:03:53,173 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr77REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:53,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:53,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1594198880, now seen corresponding path program 1 times
[2024-11-07 19:03:53,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:53,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1150818306]
[2024-11-07 19:03:53,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:53,174 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 19:03:53,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:53,176 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 19:03:53,177 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 19:03:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:53,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:53,420 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:53,431 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 19:03:53,452 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 19:03:53,457 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 19:03:53,506 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 19:03:53,534 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 19:03:53,535 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 19:03:53,535 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:53,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1150818306]
[2024-11-07 19:03:53,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1150818306] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:03:53,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:03:53,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 19:03:53,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258688269]
[2024-11-07 19:03:53,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:03:53,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-07 19:03:53,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:53,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-07 19:03:53,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-07 19:03:53,537 INFO L87 Difference]: Start difference. First operand 1256 states and 1477 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:55,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:55,788 INFO L93 Difference]: Finished difference Result 1255 states and 1476 transitions.
[2024-11-07 19:03:55,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-07 19:03:55,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66
[2024-11-07 19:03:55,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:55,792 INFO L225 Difference]: With dead ends: 1255
[2024-11-07 19:03:55,792 INFO L226 Difference]: Without dead ends: 1255
[2024-11-07 19:03:55,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-07 19:03:55,794 INFO L432 NwaCegarLoop]: 1125 mSDtfsCounter, 1 mSDsluCounter, 1914 mSDsCounter, 0 mSdLazyCounter, 1465 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 3039 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-11-07 19:03:55,794 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 3039 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1465 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-11-07 19:03:55,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states.
[2024-11-07 19:03:55,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255.
[2024-11-07 19:03:55,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 793 states have (on average 1.8032786885245902) internal successors, (1430), 1243 states have internal predecessors, (1430), 24 states have call successors, (24), 4 states have call predecessors, (24), 3 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22)
[2024-11-07 19:03:55,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1476 transitions.
[2024-11-07 19:03:55,809 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1476 transitions. Word has length 66
[2024-11-07 19:03:55,809 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:55,809 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 1476 transitions.
[2024-11-07 19:03:55,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-07 19:03:55,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1476 transitions.
[2024-11-07 19:03:55,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2024-11-07 19:03:55,810 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:55,810 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:55,820 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 19:03:56,011 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 19:03:56,011 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:56,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:56,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1205626906, now seen corresponding path program 1 times
[2024-11-07 19:03:56,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:56,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1648255653]
[2024-11-07 19:03:56,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:56,012 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 19:03:56,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:56,014 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 19:03:56,015 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 19:03:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:56,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:56,278 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:56,297 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 19:03:56,297 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-07 19:03:56,297 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:56,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1648255653]
[2024-11-07 19:03:56,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1648255653] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 19:03:56,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 19:03:56,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-07 19:03:56,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883678498]
[2024-11-07 19:03:56,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 19:03:56,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-07 19:03:56,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:56,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-07 19:03:56,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 19:03:56,300 INFO L87 Difference]: Start difference. First operand 1255 states and 1476 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 19:03:56,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:56,344 INFO L93 Difference]: Finished difference Result 1258 states and 1480 transitions.
[2024-11-07 19:03:56,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-07 19:03:56,345 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 74
[2024-11-07 19:03:56,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:56,348 INFO L225 Difference]: With dead ends: 1258
[2024-11-07 19:03:56,351 INFO L226 Difference]: Without dead ends: 1258
[2024-11-07 19:03:56,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-07 19:03:56,352 INFO L432 NwaCegarLoop]: 1125 mSDtfsCounter, 0 mSDsluCounter, 2245 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3370 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 19:03:56,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3370 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-07 19:03:56,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states.
[2024-11-07 19:03:56,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 1258.
[2024-11-07 19:03:56,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1258 states, 795 states have (on average 1.8025157232704403) internal successors, (1433), 1246 states have internal predecessors, (1433), 24 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (23), 8 states have call predecessors, (23), 22 states have call successors, (23)
[2024-11-07 19:03:56,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1258 states to 1258 states and 1480 transitions.
[2024-11-07 19:03:56,376 INFO L78 Accepts]: Start accepts. Automaton has 1258 states and 1480 transitions. Word has length 74
[2024-11-07 19:03:56,377 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:56,377 INFO L471 AbstractCegarLoop]: Abstraction has 1258 states and 1480 transitions.
[2024-11-07 19:03:56,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-07 19:03:56,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1480 transitions.
[2024-11-07 19:03:56,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76
[2024-11-07 19:03:56,378 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:56,378 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:56,386 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 (18)] Forceful destruction successful, exit code 0
[2024-11-07 19:03:56,578 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 19:03:56,578 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:56,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:56,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1898343638, now seen corresponding path program 1 times
[2024-11-07 19:03:56,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:56,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [638253545]
[2024-11-07 19:03:56,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 19:03:56,579 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 19:03:56,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:56,581 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 19:03:56,582 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 19:03:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 19:03:56,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:56,844 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:56,861 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 19:03:56,861 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 19:03:56,914 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 19:03:56,914 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:56,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [638253545]
[2024-11-07 19:03:56,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [638253545] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 19:03:56,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-07 19:03:56,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2024-11-07 19:03:56,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802943829]
[2024-11-07 19:03:56,915 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-07 19:03:56,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-07 19:03:56,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:56,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-07 19:03:56,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2024-11-07 19:03:56,917 INFO L87 Difference]: Start difference. First operand 1258 states and 1480 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-07 19:03:57,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:57,027 INFO L93 Difference]: Finished difference Result 1270 states and 1497 transitions.
[2024-11-07 19:03:57,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-07 19:03:57,028 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 75
[2024-11-07 19:03:57,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:57,031 INFO L225 Difference]: With dead ends: 1270
[2024-11-07 19:03:57,031 INFO L226 Difference]: Without dead ends: 1270
[2024-11-07 19:03:57,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110
[2024-11-07 19:03:57,032 INFO L432 NwaCegarLoop]: 1125 mSDtfsCounter, 8 mSDsluCounter, 2247 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3372 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-07 19:03:57,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3372 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-07 19:03:57,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states.
[2024-11-07 19:03:57,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 1268.
[2024-11-07 19:03:57,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1268 states, 804 states have (on average 1.800995024875622) internal successors, (1448), 1255 states have internal predecessors, (1448), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (23), 8 states have call predecessors, (23), 22 states have call successors, (23)
[2024-11-07 19:03:57,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1268 states and 1495 transitions.
[2024-11-07 19:03:57,051 INFO L78 Accepts]: Start accepts. Automaton has 1268 states and 1495 transitions. Word has length 75
[2024-11-07 19:03:57,051 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:57,051 INFO L471 AbstractCegarLoop]: Abstraction has 1268 states and 1495 transitions.
[2024-11-07 19:03:57,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-07 19:03:57,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1495 transitions.
[2024-11-07 19:03:57,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2024-11-07 19:03:57,052 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:57,052 INFO L215 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:57,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0
[2024-11-07 19:03:57,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 19:03:57,253 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:57,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:57,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1286165478, now seen corresponding path program 2 times
[2024-11-07 19:03:57,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:57,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4171804]
[2024-11-07 19:03:57,254 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-07 19:03:57,254 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 19:03:57,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:57,256 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 19:03:57,258 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 (20)] Waiting until timeout for monitored process
[2024-11-07 19:03:57,713 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-07 19:03:57,714 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-07 19:03:57,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:57,729 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:57,769 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 19:03:57,769 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 19:03:57,891 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 19:03:57,891 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:57,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4171804]
[2024-11-07 19:03:57,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [4171804] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 19:03:57,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-07 19:03:57,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14
[2024-11-07 19:03:57,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084992790]
[2024-11-07 19:03:57,892 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-07 19:03:57,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-07 19:03:57,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:57,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-07 19:03:57,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182
[2024-11-07 19:03:57,893 INFO L87 Difference]: Start difference. First operand 1268 states and 1495 transitions. Second operand has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-07 19:03:58,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:03:58,267 INFO L93 Difference]: Finished difference Result 1283 states and 1517 transitions.
[2024-11-07 19:03:58,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2024-11-07 19:03:58,268 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 78
[2024-11-07 19:03:58,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:03:58,271 INFO L225 Difference]: With dead ends: 1283
[2024-11-07 19:03:58,271 INFO L226 Difference]: Without dead ends: 1279
[2024-11-07 19:03:58,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=324, Unknown=0, NotChecked=0, Total=506
[2024-11-07 19:03:58,272 INFO L432 NwaCegarLoop]: 1125 mSDtfsCounter, 14 mSDsluCounter, 6734 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 7859 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-07 19:03:58,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 7859 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-07 19:03:58,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states.
[2024-11-07 19:03:58,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1277.
[2024-11-07 19:03:58,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1277 states, 813 states have (on average 1.795817958179582) internal successors, (1460), 1264 states have internal predecessors, (1460), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (23), 8 states have call predecessors, (23), 22 states have call successors, (23)
[2024-11-07 19:03:58,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1507 transitions.
[2024-11-07 19:03:58,292 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1507 transitions. Word has length 78
[2024-11-07 19:03:58,292 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:03:58,292 INFO L471 AbstractCegarLoop]: Abstraction has 1277 states and 1507 transitions.
[2024-11-07 19:03:58,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-07 19:03:58,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1507 transitions.
[2024-11-07 19:03:58,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85
[2024-11-07 19:03:58,293 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:03:58,293 INFO L215 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:03:58,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0
[2024-11-07 19:03:58,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 19:03:58,494 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:03:58,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:03:58,494 INFO L85 PathProgramCache]: Analyzing trace with hash -758272538, now seen corresponding path program 3 times
[2024-11-07 19:03:58,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:03:58,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960049229]
[2024-11-07 19:03:58,495 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-07 19:03:58,495 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 19:03:58,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:03:58,499 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 19:03:58,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process
[2024-11-07 19:03:59,222 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s)
[2024-11-07 19:03:59,222 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-07 19:03:59,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-07 19:03:59,239 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:03:59,354 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 19:03:59,354 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 19:03:59,802 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 19:03:59,802 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:03:59,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960049229]
[2024-11-07 19:03:59,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1960049229] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 19:03:59,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-07 19:03:59,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26
[2024-11-07 19:03:59,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694930383]
[2024-11-07 19:03:59,803 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-07 19:03:59,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2024-11-07 19:03:59,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:03:59,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2024-11-07 19:03:59,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650
[2024-11-07 19:03:59,804 INFO L87 Difference]: Start difference. First operand 1277 states and 1507 transitions. Second operand has 26 states, 26 states have (on average 3.6538461538461537) internal successors, (95), 26 states have internal predecessors, (95), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-07 19:04:01,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:04:01,086 INFO L93 Difference]: Finished difference Result 1301 states and 1546 transitions.
[2024-11-07 19:04:01,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states.
[2024-11-07 19:04:01,087 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 3.6538461538461537) internal successors, (95), 26 states have internal predecessors, (95), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 84
[2024-11-07 19:04:01,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:04:01,089 INFO L225 Difference]: With dead ends: 1301
[2024-11-07 19:04:01,089 INFO L226 Difference]: Without dead ends: 1295
[2024-11-07 19:04:01,090 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=728, Invalid=1434, Unknown=0, NotChecked=0, Total=2162
[2024-11-07 19:04:01,091 INFO L432 NwaCegarLoop]: 1126 mSDtfsCounter, 18 mSDsluCounter, 14594 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 15720 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-07 19:04:01,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 15720 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-07 19:04:01,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states.
[2024-11-07 19:04:01,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1295.
[2024-11-07 19:04:01,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1295 states, 831 states have (on average 1.7845968712394704) internal successors, (1483), 1282 states have internal predecessors, (1483), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (23), 8 states have call predecessors, (23), 22 states have call successors, (23)
[2024-11-07 19:04:01,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1295 states and 1530 transitions.
[2024-11-07 19:04:01,108 INFO L78 Accepts]: Start accepts. Automaton has 1295 states and 1530 transitions. Word has length 84
[2024-11-07 19:04:01,108 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:04:01,108 INFO L471 AbstractCegarLoop]: Abstraction has 1295 states and 1530 transitions.
[2024-11-07 19:04:01,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.6538461538461537) internal successors, (95), 26 states have internal predecessors, (95), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-07 19:04:01,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 1530 transitions.
[2024-11-07 19:04:01,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97
[2024-11-07 19:04:01,109 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:04:01,109 INFO L215 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:04:01,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0
[2024-11-07 19:04:01,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 19:04:01,310 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:04:01,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:04:01,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1623989786, now seen corresponding path program 4 times
[2024-11-07 19:04:01,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:04:01,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174177277]
[2024-11-07 19:04:01,311 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-07 19:04:01,311 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 19:04:01,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:04:01,313 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 19:04:01,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process
[2024-11-07 19:04:01,767 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-07 19:04:01,767 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-07 19:04:01,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 25 conjuncts are in the unsatisfiable core
[2024-11-07 19:04:01,786 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:04:02,134 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 19:04:02,135 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 19:04:03,253 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 19:04:03,253 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:04:03,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174177277]
[2024-11-07 19:04:03,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [174177277] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-07 19:04:03,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-07 19:04:03,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26] total 50
[2024-11-07 19:04:03,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847883968]
[2024-11-07 19:04:03,253 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-07 19:04:03,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states
[2024-11-07 19:04:03,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2024-11-07 19:04:03,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants.
[2024-11-07 19:04:03,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=672, Invalid=1778, Unknown=0, NotChecked=0, Total=2450
[2024-11-07 19:04:03,257 INFO L87 Difference]: Start difference. First operand 1295 states and 1530 transitions. Second operand has 50 states, 50 states have (on average 2.38) internal successors, (119), 50 states have internal predecessors, (119), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-07 19:04:07,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 19:04:07,709 INFO L93 Difference]: Finished difference Result 1335 states and 1602 transitions.
[2024-11-07 19:04:07,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states.
[2024-11-07 19:04:07,710 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 2.38) internal successors, (119), 50 states have internal predecessors, (119), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96
[2024-11-07 19:04:07,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 19:04:07,713 INFO L225 Difference]: With dead ends: 1335
[2024-11-07 19:04:07,713 INFO L226 Difference]: Without dead ends: 1331
[2024-11-07 19:04:07,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=2713, Invalid=5843, Unknown=0, NotChecked=0, Total=8556
[2024-11-07 19:04:07,715 INFO L432 NwaCegarLoop]: 1125 mSDtfsCounter, 28 mSDsluCounter, 25809 mSDsCounter, 0 mSdLazyCounter, 1926 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 26934 SdHoareTripleChecker+Invalid, 1954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-11-07 19:04:07,715 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 26934 Invalid, 1954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1926 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-11-07 19:04:07,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states.
[2024-11-07 19:04:07,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 1329.
[2024-11-07 19:04:07,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1329 states, 865 states have (on average 1.7676300578034683) internal successors, (1529), 1316 states have internal predecessors, (1529), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (23), 8 states have call predecessors, (23), 22 states have call successors, (23)
[2024-11-07 19:04:07,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1329 states and 1576 transitions.
[2024-11-07 19:04:07,729 INFO L78 Accepts]: Start accepts. Automaton has 1329 states and 1576 transitions. Word has length 96
[2024-11-07 19:04:07,730 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-07 19:04:07,730 INFO L471 AbstractCegarLoop]: Abstraction has 1329 states and 1576 transitions.
[2024-11-07 19:04:07,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.38) internal successors, (119), 50 states have internal predecessors, (119), 1 states have call successors, (1), 1 states have call predecessors, (1), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-07 19:04:07,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1329 states and 1576 transitions.
[2024-11-07 19:04:07,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119
[2024-11-07 19:04:07,731 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-07 19:04:07,731 INFO L215 NwaCegarLoop]: trace histogram [44, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-07 19:04:07,744 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0
[2024-11-07 19:04:07,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-07 19:04:07,932 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr80REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [reach_errorErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 631 more)] ===
[2024-11-07 19:04:07,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 19:04:07,932 INFO L85 PathProgramCache]: Analyzing trace with hash 814787558, now seen corresponding path program 5 times
[2024-11-07 19:04:07,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2024-11-07 19:04:07,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [167433435]
[2024-11-07 19:04:07,933 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-07 19:04:07,933 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 19:04:07,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-07 19:04:07,935 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-07 19:04:07,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process
[2024-11-07 19:04:09,070 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s)
[2024-11-07 19:04:09,070 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-07 19:04:09,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 58 conjuncts are in the unsatisfiable core
[2024-11-07 19:04:09,100 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-07 19:04:09,105 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 19:04:09,184 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size
[2024-11-07 19:04:09,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27
[2024-11-07 19:04:09,205 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 19:04:09,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12
[2024-11-07 19:04:10,191 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size
[2024-11-07 19:04:10,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43
[2024-11-07 19:04:10,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 15
[2024-11-07 19:04:10,255 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 19:04:10,255 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-07 19:04:10,590 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2024-11-07 19:04:10,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [167433435]
[2024-11-07 19:04:10,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [167433435] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-07 19:04:10,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1222346120]
[2024-11-07 19:04:10,590 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-07 19:04:10,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-07 19:04:10,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4
[2024-11-07 19:04:10,592 INFO L229 MonitoredProcess]: Starting monitored process 24 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 19:04:10,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process