./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_31_good.i --full-output --architecture 64bit


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


Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecb0840-b444-4b97-adb3-59fd69859f02/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecb0840-b444-4b97-adb3-59fd69859f02/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_1ecb0840-b444-4b97-adb3-59fd69859f02/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecb0840-b444-4b97-adb3-59fd69859f02/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_31_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecb0840-b444-4b97-adb3-59fd69859f02/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecb0840-b444-4b97-adb3-59fd69859f02/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bf976fef23a02e5a926d43822c3b62ff0171d65f8ba4744a03644c437638d253
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:05:10,472 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:05:10,530 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecb0840-b444-4b97-adb3-59fd69859f02/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-12-02 15:05:10,535 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:05:10,536 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:05:10,558 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:05:10,558 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:05:10,559 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:05:10,559 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 15:05:10,559 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 15:05:10,559 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 15:05:10,559 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 15:05:10,560 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:05:10,560 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 15:05:10,560 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 15:05:10,560 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:05:10,560 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 15:05:10,560 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 15:05:10,560 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 15:05:10,560 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 15:05:10,560 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 15:05:10,560 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 15:05:10,561 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 15:05:10,561 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-12-02 15:05:10,561 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 15:05:10,561 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:05:10,561 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 15:05:10,561 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 15:05:10,561 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 15:05:10,561 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:05:10,561 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 15:05:10,561 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:05:10,561 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:05:10,561 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 15:05:10,562 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:05:10,562 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 15:05:10,562 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:05:10,562 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:05:10,562 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 15:05:10,562 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 15:05:10,562 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 15:05:10,562 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 15:05:10,562 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 15:05:10,562 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 15:05:10,562 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 15:05:10,562 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 15:05:10,562 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 15:05:10,563 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_1ecb0840-b444-4b97-adb3-59fd69859f02/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 ! overflow) )


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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf976fef23a02e5a926d43822c3b62ff0171d65f8ba4744a03644c437638d253
[2024-12-02 15:05:10,770 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:05:10,777 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:05:10,780 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:05:10,781 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 15:05:10,781 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 15:05:10,782 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecb0840-b444-4b97-adb3-59fd69859f02/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_31_good.i
[2024-12-02 15:05:13,459 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecb0840-b444-4b97-adb3-59fd69859f02/bin/uautomizer-verify-84ZbGMXZE1/data/0851b3336/c7743f14e755408e9120226e025f956f/FLAGb889c87fa
[2024-12-02 15:05:13,760 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 15:05:13,761 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecb0840-b444-4b97-adb3-59fd69859f02/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_31_good.i
[2024-12-02 15:05:13,782 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecb0840-b444-4b97-adb3-59fd69859f02/bin/uautomizer-verify-84ZbGMXZE1/data/0851b3336/c7743f14e755408e9120226e025f956f/FLAGb889c87fa
[2024-12-02 15:05:14,023 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecb0840-b444-4b97-adb3-59fd69859f02/bin/uautomizer-verify-84ZbGMXZE1/data/0851b3336/c7743f14e755408e9120226e025f956f
[2024-12-02 15:05:14,024 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:05:14,025 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:05:14,026 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:05:14,026 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:05:14,029 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:05:14,030 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:05:14" (1/1) ...
[2024-12-02 15:05:14,030 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16817ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:14, skipping insertion in model container
[2024-12-02 15:05:14,030 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:05:14" (1/1) ...
[2024-12-02 15:05:14,065 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:05:14,703 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:05:14,709 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 15:05:14,782 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:05:14,886 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 15:05:14,887 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:14 WrapperNode
[2024-12-02 15:05:14,887 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:05:14,888 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:05:14,888 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:05:14,888 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:05:14,893 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:14" (1/1) ...
[2024-12-02 15:05:14,909 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:14" (1/1) ...
[2024-12-02 15:05:14,927 INFO  L138                Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114
[2024-12-02 15:05:14,927 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:05:14,928 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:05:14,928 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:05:14,928 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:05:14,937 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:14" (1/1) ...
[2024-12-02 15:05:14,937 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:14" (1/1) ...
[2024-12-02 15:05:14,939 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:14" (1/1) ...
[2024-12-02 15:05:14,948 INFO  L175           MemorySlicer]: No memory access in input program.
[2024-12-02 15:05:14,948 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:14" (1/1) ...
[2024-12-02 15:05:14,948 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:14" (1/1) ...
[2024-12-02 15:05:14,953 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:14" (1/1) ...
[2024-12-02 15:05:14,954 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:14" (1/1) ...
[2024-12-02 15:05:14,956 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:14" (1/1) ...
[2024-12-02 15:05:14,957 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:14" (1/1) ...
[2024-12-02 15:05:14,957 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:14" (1/1) ...
[2024-12-02 15:05:14,959 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:05:14,959 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:05:14,959 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:05:14,959 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:05:14,960 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:14" (1/1) ...
[2024-12-02 15:05:14,965 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:05:14,974 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecb0840-b444-4b97-adb3-59fd69859f02/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:05:14,986 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecb0840-b444-4b97-adb3-59fd69859f02/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 15:05:14,989 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecb0840-b444-4b97-adb3-59fd69859f02/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:05:15,012 INFO  L130     BoogieDeclarations]: Found specification of procedure printIntLine
[2024-12-02 15:05:15,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-12-02 15:05:15,013 INFO  L130     BoogieDeclarations]: Found specification of procedure printLine
[2024-12-02 15:05:15,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure printLine
[2024-12-02 15:05:15,013 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 15:05:15,013 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:05:15,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:05:15,113 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 15:05:15,114 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:05:15,281 INFO  L?                        ?]: Removed 64 outVars from TransFormulas that were not future-live.
[2024-12-02 15:05:15,281 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 15:05:15,290 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:05:15,290 INFO  L312             CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 15:05:15,290 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:05:15 BoogieIcfgContainer
[2024-12-02 15:05:15,290 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:05:15,292 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 15:05:15,292 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 15:05:15,297 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 15:05:15,297 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:05:14" (1/3) ...
[2024-12-02 15:05:15,297 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a2142e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:05:15, skipping insertion in model container
[2024-12-02 15:05:15,298 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:05:14" (2/3) ...
[2024-12-02 15:05:15,298 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a2142e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:05:15, skipping insertion in model container
[2024-12-02 15:05:15,298 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:05:15" (3/3) ...
[2024-12-02 15:05:15,299 INFO  L128   eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_31_good.i
[2024-12-02 15:05:15,313 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 15:05:15,315 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_postdec_31_good.i that has 3 procedures, 56 locations, 1 initial locations, 0 loop locations, and 4 error locations.
[2024-12-02 15:05:15,363 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:05:15,372 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;@6cc2674f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:05:15,372 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-12-02 15:05:15,375 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 56 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 49 states have internal predecessors, (63), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 15:05:15,381 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-02 15:05:15,381 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:05:15,381 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:05:15,382 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 15:05:15,386 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:05:15,386 INFO  L85        PathProgramCache]: Analyzing trace with hash 1914576949, now seen corresponding path program 1 times
[2024-12-02 15:05:15,393 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:05:15,393 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633396978]
[2024-12-02 15:05:15,394 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:05:15,394 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:05:15,475 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:05:15,605 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 15:05:15,606 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:05:15,606 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633396978]
[2024-12-02 15:05:15,606 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633396978] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:05:15,606 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:05:15,606 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:05:15,607 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188765167]
[2024-12-02 15:05:15,608 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:05:15,611 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:05:15,611 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:05:15,624 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:05:15,625 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:05:15,626 INFO  L87              Difference]: Start difference. First operand  has 56 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 49 states have internal predecessors, (63), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 15:05:15,648 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:05:15,648 INFO  L93              Difference]: Finished difference Result 56 states and 73 transitions.
[2024-12-02 15:05:15,649 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 15:05:15,651 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 9
[2024-12-02 15:05:15,651 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:05:15,655 INFO  L225             Difference]: With dead ends: 56
[2024-12-02 15:05:15,655 INFO  L226             Difference]: Without dead ends: 44
[2024-12-02 15:05:15,657 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:05:15,659 INFO  L435           NwaCegarLoop]: 69 mSDtfsCounter, 1 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:05:15,660 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 136 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:05:15,670 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2024-12-02 15:05:15,686 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2024-12-02 15:05:15,687 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 44 states, 37 states have (on average 1.4324324324324325) internal successors, (53), 39 states have internal predecessors, (53), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 15:05:15,691 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions.
[2024-12-02 15:05:15,692 INFO  L78                 Accepts]: Start accepts. Automaton has 44 states and 57 transitions. Word has length 9
[2024-12-02 15:05:15,692 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:05:15,692 INFO  L471      AbstractCegarLoop]: Abstraction has 44 states and 57 transitions.
[2024-12-02 15:05:15,693 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 15:05:15,693 INFO  L276                IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions.
[2024-12-02 15:05:15,693 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-12-02 15:05:15,693 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:05:15,693 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:05:15,693 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 15:05:15,694 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 15:05:15,694 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:05:15,694 INFO  L85        PathProgramCache]: Analyzing trace with hash -777656677, now seen corresponding path program 1 times
[2024-12-02 15:05:15,694 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:05:15,695 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544195005]
[2024-12-02 15:05:15,695 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:05:15,695 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:05:15,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:05:15,770 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 15:05:15,770 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:05:15,771 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544195005]
[2024-12-02 15:05:15,771 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544195005] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:05:15,771 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:05:15,771 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:05:15,771 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089646977]
[2024-12-02 15:05:15,771 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:05:15,772 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:05:15,772 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:05:15,772 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:05:15,772 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:05:15,773 INFO  L87              Difference]: Start difference. First operand 44 states and 57 transitions. Second operand  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 15:05:15,783 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:05:15,783 INFO  L93              Difference]: Finished difference Result 44 states and 57 transitions.
[2024-12-02 15:05:15,783 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 15:05:15,783 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 10
[2024-12-02 15:05:15,784 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:05:15,784 INFO  L225             Difference]: With dead ends: 44
[2024-12-02 15:05:15,784 INFO  L226             Difference]: Without dead ends: 43
[2024-12-02 15:05:15,785 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:05:15,785 INFO  L435           NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:05:15,786 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:05:15,786 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2024-12-02 15:05:15,789 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43.
[2024-12-02 15:05:15,790 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 43 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 15:05:15,790 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions.
[2024-12-02 15:05:15,790 INFO  L78                 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 10
[2024-12-02 15:05:15,791 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:05:15,791 INFO  L471      AbstractCegarLoop]: Abstraction has 43 states and 56 transitions.
[2024-12-02 15:05:15,791 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 15:05:15,791 INFO  L276                IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions.
[2024-12-02 15:05:15,791 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2024-12-02 15:05:15,792 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:05:15,792 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:05:15,792 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 15:05:15,792 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 15:05:15,792 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:05:15,793 INFO  L85        PathProgramCache]: Analyzing trace with hash -1231573907, now seen corresponding path program 1 times
[2024-12-02 15:05:15,793 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:05:15,793 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064618518]
[2024-12-02 15:05:15,793 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:05:15,793 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:05:15,817 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:05:15,891 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 15:05:15,892 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:05:15,892 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064618518]
[2024-12-02 15:05:15,892 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064618518] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:05:15,892 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:05:15,892 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:05:15,892 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166549092]
[2024-12-02 15:05:15,892 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:05:15,892 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:05:15,892 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:05:15,893 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:05:15,893 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:05:15,893 INFO  L87              Difference]: Start difference. First operand 43 states and 56 transitions. Second operand  has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 15:05:15,902 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:05:15,903 INFO  L93              Difference]: Finished difference Result 43 states and 56 transitions.
[2024-12-02 15:05:15,903 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 15:05:15,903 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 24
[2024-12-02 15:05:15,903 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:05:15,904 INFO  L225             Difference]: With dead ends: 43
[2024-12-02 15:05:15,904 INFO  L226             Difference]: Without dead ends: 42
[2024-12-02 15:05:15,904 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:05:15,904 INFO  L435           NwaCegarLoop]: 53 mSDtfsCounter, 1 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:05:15,905 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 104 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:05:15,906 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2024-12-02 15:05:15,909 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2024-12-02 15:05:15,909 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 42 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 37 states have internal predecessors, (51), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 15:05:15,909 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 55 transitions.
[2024-12-02 15:05:15,910 INFO  L78                 Accepts]: Start accepts. Automaton has 42 states and 55 transitions. Word has length 24
[2024-12-02 15:05:15,910 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:05:15,910 INFO  L471      AbstractCegarLoop]: Abstraction has 42 states and 55 transitions.
[2024-12-02 15:05:15,910 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 15:05:15,910 INFO  L276                IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions.
[2024-12-02 15:05:15,911 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-12-02 15:05:15,911 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 15:05:15,911 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:05:15,911 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 15:05:15,911 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 15:05:15,911 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:05:15,912 INFO  L85        PathProgramCache]: Analyzing trace with hash 475914685, now seen corresponding path program 1 times
[2024-12-02 15:05:15,912 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:05:15,912 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849760592]
[2024-12-02 15:05:15,912 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:05:15,912 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:05:15,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:05:16,053 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 15:05:16,053 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:05:16,053 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849760592]
[2024-12-02 15:05:16,053 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849760592] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:05:16,053 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:05:16,053 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:05:16,054 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130609641]
[2024-12-02 15:05:16,054 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:05:16,054 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:05:16,054 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:05:16,054 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:05:16,054 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:05:16,055 INFO  L87              Difference]: Start difference. First operand 42 states and 55 transitions. Second operand  has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 15:05:16,071 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:05:16,071 INFO  L93              Difference]: Finished difference Result 42 states and 55 transitions.
[2024-12-02 15:05:16,071 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 15:05:16,071 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 15:05:16,072 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:05:16,072 INFO  L225             Difference]: With dead ends: 42
[2024-12-02 15:05:16,072 INFO  L226             Difference]: Without dead ends: 0
[2024-12-02 15:05:16,072 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 15:05:16,073 INFO  L435           NwaCegarLoop]: 52 mSDtfsCounter, 0 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:05:16,073 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 153 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:05:16,074 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 15:05:16,074 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 15:05:16,074 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 15:05:16,074 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 15:05:16,074 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25
[2024-12-02 15:05:16,074 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:05:16,074 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 15:05:16,074 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 15:05:16,075 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 15:05:16,075 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 15:05:16,077 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-12-02 15:05:16,077 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-12-02 15:05:16,077 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-12-02 15:05:16,078 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-12-02 15:05:16,078 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 15:05:16,081 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-12-02 15:05:16,082 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 15:05:16,099 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 15:05:16,104 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:05:16 BoogieIcfgContainer
[2024-12-02 15:05:16,104 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 15:05:16,105 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 15:05:16,105 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-12-02 15:05:16,105 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-12-02 15:05:16,106 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:05:15" (3/4) ...
[2024-12-02 15:05:16,108 INFO  L146         WitnessPrinter]: Generating witness for correct program
[2024-12-02 15:05:16,112 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2024-12-02 15:05:16,112 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2024-12-02 15:05:16,116 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2024-12-02 15:05:16,116 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-12-02 15:05:16,117 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 15:05:16,181 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecb0840-b444-4b97-adb3-59fd69859f02/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 15:05:16,181 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecb0840-b444-4b97-adb3-59fd69859f02/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 15:05:16,181 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 15:05:16,182 INFO  L158              Benchmark]: Toolchain (without parser) took 2156.48ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 80.9MB in the end (delta: 34.9MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB.
[2024-12-02 15:05:16,182 INFO  L158              Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:05:16,183 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 860.81ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 107.2MB in the end (delta: 8.5MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB.
[2024-12-02 15:05:16,183 INFO  L158              Benchmark]: Boogie Procedure Inliner took 39.46ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 104.3MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 15:05:16,183 INFO  L158              Benchmark]: Boogie Preprocessor took 30.92ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:05:16,183 INFO  L158              Benchmark]: RCFGBuilder took 331.18ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 85.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 15:05:16,184 INFO  L158              Benchmark]: TraceAbstraction took 812.06ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 86.4MB in the end (delta: -1.0MB). Peak memory consumption was 138.9kB. Max. memory is 16.1GB.
[2024-12-02 15:05:16,184 INFO  L158              Benchmark]: Witness Printer took 76.42ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 80.9MB in the end (delta: 5.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:05:16,186 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 860.81ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 107.2MB in the end (delta: 8.5MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 39.46ms. Allocated memory is still 142.6MB. Free memory was 107.2MB in the beginning and 104.3MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 30.92ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 331.18ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 85.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 812.06ms. Allocated memory is still 142.6MB. Free memory was 85.4MB in the beginning and 86.4MB in the end (delta: -1.0MB). Peak memory consumption was 138.9kB. Max. memory is 16.1GB.
 * Witness Printer took 76.42ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 80.9MB in the end (delta: 5.5MB). 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: 1557]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1557]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1573]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1573]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 56 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 499 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 271 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 228 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 86 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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
    4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 15:05:16,203 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ecb0840-b444-4b97-adb3-59fd69859f02/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE