./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95e4857f2e80c4b2a09349ad506a32e395132bf666c8dc52d9ee1d4dade10d91
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 14:20:03,397 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 14:20:03,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 14:20:03,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 14:20:03,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 14:20:03,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 14:20:03,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 14:20:03,487 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 14:20:03,488 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 14:20:03,488 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 14:20:03,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 14:20:03,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 14:20:03,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 14:20:03,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 14:20:03,489 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 14:20:03,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 14:20:03,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 14:20:03,489 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 14:20:03,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 14:20:03,489 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 14:20:03,489 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 14:20:03,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 14:20:03,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 14:20:03,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 14:20:03,489 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 14:20:03,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 14:20:03,490 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 14:20:03,490 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 14:20:03,490 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 14:20:03,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 14:20:03,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 14:20:03,490 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 14:20:03,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:20:03,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 14:20:03,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 14:20:03,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 14:20:03,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 14:20:03,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:20:03,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 14:20:03,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 14:20:03,491 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 14:20:03,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 14:20:03,491 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 14:20:03,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 14:20:03,491 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 14:20:03,491 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 14:20:03,491 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 14:20:03,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 14:20:03,492 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1
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 ! call(reach_error())) )
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 -> 95e4857f2e80c4b2a09349ad506a32e395132bf666c8dc52d9ee1d4dade10d91
[2024-12-02 14:20:03,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 14:20:03,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 14:20:03,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 14:20:03,743 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 14:20:03,743 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 14:20:03,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c
[2024-12-02 14:20:06,374 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/data/5d9f95370/eee41c89ecf547c5a50015501f377bff/FLAG06c625fb4
[2024-12-02 14:20:06,587 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 14:20:06,588 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/sv-benchmarks/c/float-newlib/float_req_bl_1230.c
[2024-12-02 14:20:06,595 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/data/5d9f95370/eee41c89ecf547c5a50015501f377bff/FLAG06c625fb4
[2024-12-02 14:20:06,945 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/data/5d9f95370/eee41c89ecf547c5a50015501f377bff
[2024-12-02 14:20:06,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 14:20:06,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 14:20:06,949 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 14:20:06,949 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 14:20:06,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 14:20:06,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:20:06" (1/1) ...
[2024-12-02 14:20:06,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a27d186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:06, skipping insertion in model container
[2024-12-02 14:20:06,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:20:06" (1/1) ...
[2024-12-02 14:20:06,968 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 14:20:07,071 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation.
[2024-12-02 14:20:07,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7708b69b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:07, skipping insertion in model container
[2024-12-02 14:20:07,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 14:20:07,072 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner
[2024-12-02 14:20:07,073 INFO L158 Benchmark]: Toolchain (without parser) took 124.77ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 108.9MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 14:20:07,074 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 14:20:07,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 123.02ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 108.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 14:20:07,075 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 123.02ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 108.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 8]: Unsupported Syntax
floats in unions are not supported in the integer 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: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 95e4857f2e80c4b2a09349ad506a32e395132bf666c8dc52d9ee1d4dade10d91
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 14:20:08,789 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 14:20:08,866 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-12-02 14:20:08,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 14:20:08,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 14:20:08,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 14:20:08,895 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 14:20:08,896 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 14:20:08,896 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 14:20:08,896 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 14:20:08,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 14:20:08,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 14:20:08,896 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 14:20:08,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 14:20:08,897 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 14:20:08,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 14:20:08,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 14:20:08,897 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 14:20:08,897 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 14:20:08,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 14:20:08,897 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 14:20:08,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 14:20:08,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 14:20:08,898 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-12-02 14:20:08,898 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-12-02 14:20:08,898 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-12-02 14:20:08,898 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 14:20:08,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 14:20:08,898 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 14:20:08,898 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 14:20:08,898 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 14:20:08,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 14:20:08,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 14:20:08,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 14:20:08,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:20:08,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 14:20:08,899 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 14:20:08,899 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 14:20:08,899 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 14:20:08,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:20:08,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 14:20:08,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 14:20:08,899 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 14:20:08,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 14:20:08,899 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-12-02 14:20:08,899 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-12-02 14:20:08,899 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 14:20:08,899 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 14:20:08,900 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 14:20:08,900 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 14:20:08,900 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1
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 ! call(reach_error())) )
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 -> 95e4857f2e80c4b2a09349ad506a32e395132bf666c8dc52d9ee1d4dade10d91
[2024-12-02 14:20:09,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 14:20:09,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 14:20:09,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 14:20:09,142 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 14:20:09,143 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 14:20:09,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/float-newlib/float_req_bl_1230.c
[2024-12-02 14:20:11,819 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/data/20994c3c3/439cb226d9bf4995ab50a813314ad96d/FLAG83082f883
[2024-12-02 14:20:12,002 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 14:20:12,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/sv-benchmarks/c/float-newlib/float_req_bl_1230.c
[2024-12-02 14:20:12,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/data/20994c3c3/439cb226d9bf4995ab50a813314ad96d/FLAG83082f883
[2024-12-02 14:20:12,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/data/20994c3c3/439cb226d9bf4995ab50a813314ad96d
[2024-12-02 14:20:12,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 14:20:12,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 14:20:12,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 14:20:12,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 14:20:12,380 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 14:20:12,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:20:12" (1/1) ...
[2024-12-02 14:20:12,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5518f2d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:12, skipping insertion in model container
[2024-12-02 14:20:12,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:20:12" (1/1) ...
[2024-12-02 14:20:12,391 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 14:20:12,505 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/sv-benchmarks/c/float-newlib/float_req_bl_1230.c[1411,1424]
[2024-12-02 14:20:12,507 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 14:20:12,516 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 14:20:12,532 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/sv-benchmarks/c/float-newlib/float_req_bl_1230.c[1411,1424]
[2024-12-02 14:20:12,532 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 14:20:12,545 INFO L204 MainTranslator]: Completed translation
[2024-12-02 14:20:12,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:12 WrapperNode
[2024-12-02 14:20:12,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 14:20:12,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 14:20:12,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 14:20:12,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 14:20:12,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:12" (1/1) ...
[2024-12-02 14:20:12,558 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:12" (1/1) ...
[2024-12-02 14:20:12,570 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43
[2024-12-02 14:20:12,570 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 14:20:12,571 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 14:20:12,571 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 14:20:12,571 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 14:20:12,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:12" (1/1) ...
[2024-12-02 14:20:12,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:12" (1/1) ...
[2024-12-02 14:20:12,579 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:12" (1/1) ...
[2024-12-02 14:20:12,590 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1].
[2024-12-02 14:20:12,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:12" (1/1) ...
[2024-12-02 14:20:12,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:12" (1/1) ...
[2024-12-02 14:20:12,599 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:12" (1/1) ...
[2024-12-02 14:20:12,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:12" (1/1) ...
[2024-12-02 14:20:12,603 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:12" (1/1) ...
[2024-12-02 14:20:12,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:12" (1/1) ...
[2024-12-02 14:20:12,606 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:12" (1/1) ...
[2024-12-02 14:20:12,608 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 14:20:12,609 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 14:20:12,609 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 14:20:12,609 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 14:20:12,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:12" (1/1) ...
[2024-12-02 14:20:12,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:20:12,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:20:12,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 14:20:12,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 14:20:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 14:20:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-12-02 14:20:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1
[2024-12-02 14:20:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-02 14:20:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float
[2024-12-02 14:20:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float
[2024-12-02 14:20:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0
[2024-12-02 14:20:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1
[2024-12-02 14:20:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 14:20:12,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 14:20:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0
[2024-12-02 14:20:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1
[2024-12-02 14:20:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 14:20:12,724 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 14:20:12,725 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 14:20:12,863 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-12-02 14:20:12,863 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 14:20:12,871 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 14:20:12,871 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 14:20:12,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:20:12 BoogieIcfgContainer
[2024-12-02 14:20:12,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 14:20:12,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 14:20:12,874 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 14:20:12,878 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 14:20:12,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:20:12" (1/3) ...
[2024-12-02 14:20:12,878 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711fdc72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:20:12, skipping insertion in model container
[2024-12-02 14:20:12,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:20:12" (2/3) ...
[2024-12-02 14:20:12,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711fdc72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:20:12, skipping insertion in model container
[2024-12-02 14:20:12,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:20:12" (3/3) ...
[2024-12-02 14:20:12,880 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1230.c
[2024-12-02 14:20:12,890 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 14:20:12,892 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1230.c that has 2 procedures, 23 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 14:20:12,933 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 14:20:12,942 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=LoopHeads, 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;@588d9e51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 14:20:12,942 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 14:20:12,945 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 14:20:12,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 14:20:12,951 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:20:12,951 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:20:12,952 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:20:12,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:20:12,956 INFO L85 PathProgramCache]: Analyzing trace with hash 507171711, now seen corresponding path program 1 times
[2024-12-02 14:20:12,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 14:20:12,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [539147075]
[2024-12-02 14:20:12,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:20:12,966 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
[2024-12-02 14:20:12,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 14:20:12,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)
[2024-12-02 14:20:12,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:20:13,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 14:20:13,044 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:20:13,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:20:13,057 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:20:13,058 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 14:20:13,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [539147075]
[2024-12-02 14:20:13,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [539147075] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:20:13,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:20:13,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 14:20:13,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726944639]
[2024-12-02 14:20:13,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:20:13,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 14:20:13,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 14:20:13,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 14:20:13,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 14:20:13,078 INFO L87 Difference]: Start difference. First operand has 23 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2024-12-02 14:20:13,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:20:13,090 INFO L93 Difference]: Finished difference Result 43 states and 62 transitions.
[2024-12-02 14:20:13,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 14:20:13,091 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 13
[2024-12-02 14:20:13,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:20:13,095 INFO L225 Difference]: With dead ends: 43
[2024-12-02 14:20:13,095 INFO L226 Difference]: Without dead ends: 20
[2024-12-02 14:20:13,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 14:20:13,099 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:20:13,099 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:20:13,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2024-12-02 14:20:13,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20.
[2024-12-02 14:20:13,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 14:20:13,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions.
[2024-12-02 14:20:13,128 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 26 transitions. Word has length 13
[2024-12-02 14:20:13,128 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:20:13,129 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 26 transitions.
[2024-12-02 14:20:13,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2024-12-02 14:20:13,129 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions.
[2024-12-02 14:20:13,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-12-02 14:20:13,130 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:20:13,130 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:20:13,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:13,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 14:20:13,330 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:20:13,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:20:13,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1042598595, now seen corresponding path program 1 times
[2024-12-02 14:20:13,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 14:20:13,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [839017894]
[2024-12-02 14:20:13,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:20:13,332 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
[2024-12-02 14:20:13,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 14:20:13,333 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)
[2024-12-02 14:20:13,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:20:13,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 14:20:13,400 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:20:13,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:20:13,446 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:20:13,446 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 14:20:13,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [839017894]
[2024-12-02 14:20:13,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [839017894] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:20:13,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:20:13,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:20:13,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143365136]
[2024-12-02 14:20:13,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:20:13,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:20:13,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 14:20:13,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:20:13,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:20:13,448 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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)
[2024-12-02 14:20:13,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:20:13,474 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions.
[2024-12-02 14:20:13,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:20:13,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14
[2024-12-02 14:20:13,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:20:13,476 INFO L225 Difference]: With dead ends: 28
[2024-12-02 14:20:13,476 INFO L226 Difference]: Without dead ends: 23
[2024-12-02 14:20:13,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:20:13,477 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:20:13,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:20:13,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2024-12-02 14:20:13,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23.
[2024-12-02 14:20:13,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 14:20:13,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions.
[2024-12-02 14:20:13,484 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 14
[2024-12-02 14:20:13,484 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:20:13,484 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions.
[2024-12-02 14:20:13,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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)
[2024-12-02 14:20:13,484 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions.
[2024-12-02 14:20:13,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-12-02 14:20:13,485 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:20:13,485 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:20:13,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:13,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 14:20:13,686 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:20:13,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:20:13,686 INFO L85 PathProgramCache]: Analyzing trace with hash -9604997, now seen corresponding path program 1 times
[2024-12-02 14:20:13,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 14:20:13,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [736010570]
[2024-12-02 14:20:13,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:20:13,687 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
[2024-12-02 14:20:13,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 14:20:13,688 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)
[2024-12-02 14:20:13,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:20:13,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 14:20:13,742 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:20:13,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:20:13,761 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:20:13,761 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 14:20:13,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [736010570]
[2024-12-02 14:20:13,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [736010570] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:20:13,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:20:13,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:20:13,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099012391]
[2024-12-02 14:20:13,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:20:13,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:20:13,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 14:20:13,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:20:13,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:20:13,763 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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)
[2024-12-02 14:20:13,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:20:13,799 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions.
[2024-12-02 14:20:13,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:20:13,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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 15
[2024-12-02 14:20:13,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:20:13,800 INFO L225 Difference]: With dead ends: 31
[2024-12-02 14:20:13,800 INFO L226 Difference]: Without dead ends: 26
[2024-12-02 14:20:13,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:20:13,801 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:20:13,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:20:13,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-12-02 14:20:13,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23.
[2024-12-02 14:20:13,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 14:20:13,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions.
[2024-12-02 14:20:13,805 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 15
[2024-12-02 14:20:13,805 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:20:13,805 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions.
[2024-12-02 14:20:13,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 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)
[2024-12-02 14:20:13,805 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions.
[2024-12-02 14:20:13,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-12-02 14:20:13,806 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:20:13,806 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:20:13,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:14,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 14:20:14,007 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:20:14,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:20:14,007 INFO L85 PathProgramCache]: Analyzing trace with hash 113128767, now seen corresponding path program 1 times
[2024-12-02 14:20:14,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 14:20:14,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [138250638]
[2024-12-02 14:20:14,007 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:20:14,007 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
[2024-12-02 14:20:14,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 14:20:14,009 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)
[2024-12-02 14:20:14,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:20:14,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 14:20:14,065 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:20:14,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:20:14,087 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:20:14,087 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 14:20:14,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [138250638]
[2024-12-02 14:20:14,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [138250638] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:20:14,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:20:14,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:20:14,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565684228]
[2024-12-02 14:20:14,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:20:14,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:20:14,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 14:20:14,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:20:14,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:20:14,089 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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)
[2024-12-02 14:20:14,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:20:14,120 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions.
[2024-12-02 14:20:14,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:20:14,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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 16
[2024-12-02 14:20:14,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:20:14,121 INFO L225 Difference]: With dead ends: 31
[2024-12-02 14:20:14,121 INFO L226 Difference]: Without dead ends: 26
[2024-12-02 14:20:14,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:20:14,122 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:20:14,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:20:14,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-12-02 14:20:14,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23.
[2024-12-02 14:20:14,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 14:20:14,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions.
[2024-12-02 14:20:14,127 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 16
[2024-12-02 14:20:14,128 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:20:14,128 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions.
[2024-12-02 14:20:14,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 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)
[2024-12-02 14:20:14,128 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions.
[2024-12-02 14:20:14,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-12-02 14:20:14,128 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:20:14,128 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:20:14,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2024-12-02 14:20:14,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 14:20:14,329 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:20:14,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:20:14,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1995785097, now seen corresponding path program 1 times
[2024-12-02 14:20:14,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 14:20:14,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [649656565]
[2024-12-02 14:20:14,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:20:14,330 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
[2024-12-02 14:20:14,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 14:20:14,331 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)
[2024-12-02 14:20:14,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:20:14,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 14:20:14,392 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:20:14,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:20:14,413 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:20:14,413 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 14:20:14,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [649656565]
[2024-12-02 14:20:14,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [649656565] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:20:14,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:20:14,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:20:14,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871475873]
[2024-12-02 14:20:14,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:20:14,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:20:14,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 14:20:14,414 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:20:14,414 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:20:14,414 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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)
[2024-12-02 14:20:14,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:20:14,443 INFO L93 Difference]: Finished difference Result 31 states and 39 transitions.
[2024-12-02 14:20:14,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:20:14,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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 17
[2024-12-02 14:20:14,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:20:14,445 INFO L225 Difference]: With dead ends: 31
[2024-12-02 14:20:14,445 INFO L226 Difference]: Without dead ends: 26
[2024-12-02 14:20:14,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:20:14,446 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:20:14,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:20:14,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-12-02 14:20:14,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23.
[2024-12-02 14:20:14,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 14:20:14,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 30 transitions.
[2024-12-02 14:20:14,451 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 30 transitions. Word has length 17
[2024-12-02 14:20:14,452 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:20:14,452 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 30 transitions.
[2024-12-02 14:20:14,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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)
[2024-12-02 14:20:14,452 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions.
[2024-12-02 14:20:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-12-02 14:20:14,452 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:20:14,452 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:20:14,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:14,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 14:20:14,653 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:20:14,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:20:14,654 INFO L85 PathProgramCache]: Analyzing trace with hash -252974762, now seen corresponding path program 1 times
[2024-12-02 14:20:14,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 14:20:14,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544412050]
[2024-12-02 14:20:14,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:20:14,654 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
[2024-12-02 14:20:14,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 14:20:14,655 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)
[2024-12-02 14:20:14,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:20:14,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-12-02 14:20:14,723 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:20:14,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:20:14,822 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:20:14,822 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 14:20:14,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544412050]
[2024-12-02 14:20:14,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1544412050] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:20:14,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:20:14,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 14:20:14,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532347667]
[2024-12-02 14:20:14,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:20:14,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 14:20:14,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 14:20:14,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 14:20:14,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:20:14,824 INFO L87 Difference]: Start difference. First operand 23 states and 30 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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)
[2024-12-02 14:20:14,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:20:14,890 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions.
[2024-12-02 14:20:14,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 14:20:14,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 17
[2024-12-02 14:20:14,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:20:14,891 INFO L225 Difference]: With dead ends: 28
[2024-12-02 14:20:14,891 INFO L226 Difference]: Without dead ends: 23
[2024-12-02 14:20:14,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:20:14,892 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:20:14,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 103 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 14:20:14,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states.
[2024-12-02 14:20:14,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20.
[2024-12-02 14:20:14,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.25) internal successors, (20), 16 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 14:20:14,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions.
[2024-12-02 14:20:14,896 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 24 transitions. Word has length 17
[2024-12-02 14:20:14,896 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:20:14,896 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 24 transitions.
[2024-12-02 14:20:14,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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)
[2024-12-02 14:20:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions.
[2024-12-02 14:20:14,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-12-02 14:20:14,896 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:20:14,897 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:20:14,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:15,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 14:20:15,097 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:20:15,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:20:15,098 INFO L85 PathProgramCache]: Analyzing trace with hash 103778340, now seen corresponding path program 1 times
[2024-12-02 14:20:15,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 14:20:15,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824815448]
[2024-12-02 14:20:15,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:20:15,098 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 14:20:15,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 14:20:15,099 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)
[2024-12-02 14:20:15,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:20:15,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 14:20:15,176 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:20:15,197 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 14:20:15,197 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:20:15,197 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 14:20:15,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824815448]
[2024-12-02 14:20:15,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824815448] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:20:15,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:20:15,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:20:15,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113959903]
[2024-12-02 14:20:15,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:20:15,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:20:15,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 14:20:15,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:20:15,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:20:15,198 INFO L87 Difference]: Start difference. First operand 20 states and 24 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 14:20:15,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:20:15,225 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions.
[2024-12-02 14:20:15,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:20:15,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22
[2024-12-02 14:20:15,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:20:15,226 INFO L225 Difference]: With dead ends: 28
[2024-12-02 14:20:15,226 INFO L226 Difference]: Without dead ends: 22
[2024-12-02 14:20:15,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:20:15,227 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:20:15,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:20:15,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2024-12-02 14:20:15,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2024-12-02 14:20:15,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 14:20:15,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions.
[2024-12-02 14:20:15,230 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 22
[2024-12-02 14:20:15,230 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:20:15,230 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions.
[2024-12-02 14:20:15,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 14:20:15,230 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions.
[2024-12-02 14:20:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-12-02 14:20:15,231 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:20:15,231 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:20:15,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:15,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 14:20:15,431 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:20:15,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:20:15,432 INFO L85 PathProgramCache]: Analyzing trace with hash -932244670, now seen corresponding path program 1 times
[2024-12-02 14:20:15,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 14:20:15,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [790757082]
[2024-12-02 14:20:15,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:20:15,432 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
[2024-12-02 14:20:15,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 14:20:15,434 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)
[2024-12-02 14:20:15,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:20:15,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 14:20:15,510 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:20:15,530 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 14:20:15,530 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:20:15,531 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 14:20:15,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [790757082]
[2024-12-02 14:20:15,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [790757082] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:20:15,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:20:15,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:20:15,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354358947]
[2024-12-02 14:20:15,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:20:15,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:20:15,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 14:20:15,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:20:15,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:20:15,532 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 14:20:15,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:20:15,620 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions.
[2024-12-02 14:20:15,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:20:15,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23
[2024-12-02 14:20:15,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:20:15,621 INFO L225 Difference]: With dead ends: 30
[2024-12-02 14:20:15,621 INFO L226 Difference]: Without dead ends: 24
[2024-12-02 14:20:15,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:20:15,622 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 14:20:15,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 14:20:15,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2024-12-02 14:20:15,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22.
[2024-12-02 14:20:15,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 14:20:15,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions.
[2024-12-02 14:20:15,627 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 23
[2024-12-02 14:20:15,627 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:20:15,627 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions.
[2024-12-02 14:20:15,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 14:20:15,627 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions.
[2024-12-02 14:20:15,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2024-12-02 14:20:15,628 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:20:15,628 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:20:15,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0
[2024-12-02 14:20:15,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 14:20:15,828 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:20:15,829 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:20:15,829 INFO L85 PathProgramCache]: Analyzing trace with hash -307912864, now seen corresponding path program 1 times
[2024-12-02 14:20:15,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 14:20:15,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2101258571]
[2024-12-02 14:20:15,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:20:15,829 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
[2024-12-02 14:20:15,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 14:20:15,831 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)
[2024-12-02 14:20:15,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:20:15,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 14:20:15,891 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:20:15,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 14:20:15,906 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:20:15,906 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 14:20:15,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2101258571]
[2024-12-02 14:20:15,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2101258571] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:20:15,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:20:15,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:20:15,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141891283]
[2024-12-02 14:20:15,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:20:15,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:20:15,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 14:20:15,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:20:15,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:20:15,907 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 14:20:15,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:20:15,929 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions.
[2024-12-02 14:20:15,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:20:15,930 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24
[2024-12-02 14:20:15,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:20:15,931 INFO L225 Difference]: With dead ends: 30
[2024-12-02 14:20:15,931 INFO L226 Difference]: Without dead ends: 24
[2024-12-02 14:20:15,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:20:15,931 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:20:15,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:20:15,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2024-12-02 14:20:15,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22.
[2024-12-02 14:20:15,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 14:20:15,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions.
[2024-12-02 14:20:15,934 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 24
[2024-12-02 14:20:15,934 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:20:15,934 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions.
[2024-12-02 14:20:15,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 14:20:15,934 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions.
[2024-12-02 14:20:15,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-12-02 14:20:15,935 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:20:15,935 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:20:15,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:16,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 14:20:16,136 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:20:16,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:20:16,136 INFO L85 PathProgramCache]: Analyzing trace with hash 247810686, now seen corresponding path program 1 times
[2024-12-02 14:20:16,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 14:20:16,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1020103182]
[2024-12-02 14:20:16,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:20:16,136 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
[2024-12-02 14:20:16,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 14:20:16,138 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)
[2024-12-02 14:20:16,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:20:16,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 14:20:16,200 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:20:16,215 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 14:20:16,215 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:20:16,215 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 14:20:16,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1020103182]
[2024-12-02 14:20:16,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1020103182] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:20:16,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:20:16,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:20:16,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680320564]
[2024-12-02 14:20:16,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:20:16,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:20:16,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 14:20:16,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:20:16,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:20:16,216 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 14:20:16,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:20:16,242 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions.
[2024-12-02 14:20:16,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:20:16,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25
[2024-12-02 14:20:16,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:20:16,243 INFO L225 Difference]: With dead ends: 30
[2024-12-02 14:20:16,243 INFO L226 Difference]: Without dead ends: 24
[2024-12-02 14:20:16,244 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:20:16,244 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:20:16,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:20:16,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2024-12-02 14:20:16,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 22.
[2024-12-02 14:20:16,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 14:20:16,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions.
[2024-12-02 14:20:16,248 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 25
[2024-12-02 14:20:16,248 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:20:16,248 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions.
[2024-12-02 14:20:16,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 14:20:16,248 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions.
[2024-12-02 14:20:16,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-12-02 14:20:16,249 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:20:16,249 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:20:16,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:16,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 14:20:16,449 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 14:20:16,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:20:16,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1990621021, now seen corresponding path program 1 times
[2024-12-02 14:20:16,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-12-02 14:20:16,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1393802118]
[2024-12-02 14:20:16,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:20:16,450 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 14:20:16,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat
[2024-12-02 14:20:16,451 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)
[2024-12-02 14:20:16,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:20:16,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-12-02 14:20:16,517 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 14:20:16,613 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 14:20:16,613 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 14:20:16,613 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-12-02 14:20:16,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1393802118]
[2024-12-02 14:20:16,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1393802118] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:20:16,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:20:16,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 14:20:16,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051944485]
[2024-12-02 14:20:16,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:20:16,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 14:20:16,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-12-02 14:20:16,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 14:20:16,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:20:16,615 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 14:20:16,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:20:16,651 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions.
[2024-12-02 14:20:16,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 14:20:16,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25
[2024-12-02 14:20:16,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:20:16,652 INFO L225 Difference]: With dead ends: 22
[2024-12-02 14:20:16,652 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 14:20:16,652 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:20:16,653 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:20:16,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:20:16,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 14:20:16,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 14:20:16,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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)
[2024-12-02 14:20:16,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 14:20:16,654 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25
[2024-12-02 14:20:16,654 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:20:16,654 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 14:20:16,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 14:20:16,654 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 14:20:16,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 14:20:16,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 14:20:16,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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
[2024-12-02 14:20:16,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-12-02 14:20:16,859 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:20:16,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 14:20:16,897 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 14:20:16,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:20:16 BoogieIcfgContainer
[2024-12-02 14:20:16,902 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 14:20:16,903 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 14:20:16,903 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 14:20:16,903 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 14:20:16,903 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:20:12" (3/4) ...
[2024-12-02 14:20:16,905 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 14:20:16,908 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float
[2024-12-02 14:20:16,910 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2024-12-02 14:20:16,911 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-12-02 14:20:16,911 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 14:20:16,911 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 14:20:16,979 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 14:20:16,979 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 14:20:16,979 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 14:20:16,980 INFO L158 Benchmark]: Toolchain (without parser) took 4604.90ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 53.4MB in the end (delta: 16.4MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB.
[2024-12-02 14:20:16,980 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 14:20:16,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 169.20ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 57.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 14:20:16,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.21ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 56.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 14:20:16,981 INFO L158 Benchmark]: Boogie Preprocessor took 37.52ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 54.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 14:20:16,981 INFO L158 Benchmark]: RCFGBuilder took 262.85ms. Allocated memory is still 92.3MB. Free memory was 54.8MB in the beginning and 42.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 14:20:16,982 INFO L158 Benchmark]: TraceAbstraction took 4028.91ms. Allocated memory is still 92.3MB. Free memory was 42.3MB in the beginning and 58.0MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 14:20:16,982 INFO L158 Benchmark]: Witness Printer took 76.81ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 53.4MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 14:20:16,984 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 169.20ms. Allocated memory is still 92.3MB. Free memory was 69.8MB in the beginning and 57.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 24.21ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 56.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 37.52ms. Allocated memory is still 92.3MB. Free memory was 56.6MB in the beginning and 54.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 262.85ms. Allocated memory is still 92.3MB. Free memory was 54.8MB in the beginning and 42.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 4028.91ms. Allocated memory is still 92.3MB. Free memory was 42.3MB in the beginning and 58.0MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 76.81ms. Allocated memory is still 92.3MB. Free memory was 58.0MB in the beginning and 53.4MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 61]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 787 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 502 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 109 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 285 mSDtfsCounter, 109 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 18 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 200 ConstructedInterpolants, 8 QuantifiedInterpolants, 304 SizeOfPredicates, 2 NumberOfNonLiveVariables, 739 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 30/30 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 14:20:17,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81408cd6-8cfb-404d-be13-850cfc19d3ca/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE