./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/recHanoi01.c --full-output --architecture 32bit


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


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_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/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_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/recHanoi01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/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 32bit --witnessprinter.graph.data.programhash 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 11:26:09,141 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 11:26:09,198 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-12-02 11:26:09,202 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 11:26:09,203 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 11:26:09,223 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 11:26:09,224 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 11:26:09,224 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 11:26:09,225 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 11:26:09,225 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 11:26:09,225 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 11:26:09,225 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 11:26:09,225 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 11:26:09,225 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 11:26:09,225 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 11:26:09,226 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 11:26:09,226 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 11:26:09,226 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-02 11:26:09,226 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 11:26:09,226 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-02 11:26:09,226 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 11:26:09,226 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 11:26:09,226 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 11:26:09,226 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 11:26:09,226 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 11:26:09,226 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-12-02 11:26:09,226 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-02 11:26:09,226 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 11:26:09,227 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 11:26:09,227 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 11:26:09,227 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 11:26:09,227 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 11:26:09,227 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:26:09,227 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 11:26:09,227 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:26:09,227 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 11:26:09,227 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 11:26:09,227 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:26:09,227 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 11:26:09,227 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:26:09,228 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 11:26:09,228 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 11:26:09,228 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 11:26:09,228 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 11:26:09,228 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 11:26:09,228 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 11:26:09,228 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 11:26:09,228 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 11:26:09,228 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 11:26:09,228 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 11:26:09,228 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_c05eecfd-4d04-4eca-817f-76e78440d424/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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85b02fad28964214b0cd332ac12fce3136c6c5e9247130ab67f1c2c3baea22f9
[2024-12-02 11:26:09,468 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 11:26:09,477 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 11:26:09,479 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 11:26:09,480 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 11:26:09,480 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 11:26:09,481 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/recursive/recHanoi01.c
[2024-12-02 11:26:12,181 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/data/f2e70a155/152c3d544d384438ab999a9f5ea5e299/FLAG62da7bb46
[2024-12-02 11:26:12,354 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 11:26:12,355 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/sv-benchmarks/c/recursive/recHanoi01.c
[2024-12-02 11:26:12,361 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/data/f2e70a155/152c3d544d384438ab999a9f5ea5e299/FLAG62da7bb46
[2024-12-02 11:26:12,377 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/data/f2e70a155/152c3d544d384438ab999a9f5ea5e299
[2024-12-02 11:26:12,380 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 11:26:12,381 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 11:26:12,383 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 11:26:12,383 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 11:26:12,387 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 11:26:12,388 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:26:12" (1/1) ...
[2024-12-02 11:26:12,389 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dfd029a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:12, skipping insertion in model container
[2024-12-02 11:26:12,389 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:26:12" (1/1) ...
[2024-12-02 11:26:12,403 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 11:26:12,525 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:26:12,534 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 11:26:12,548 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:26:12,562 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 11:26:12,563 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:12 WrapperNode
[2024-12-02 11:26:12,563 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 11:26:12,564 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 11:26:12,564 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 11:26:12,564 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 11:26:12,571 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:12" (1/1) ...
[2024-12-02 11:26:12,577 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:12" (1/1) ...
[2024-12-02 11:26:12,592 INFO  L138                Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30
[2024-12-02 11:26:12,592 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 11:26:12,593 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 11:26:12,593 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 11:26:12,593 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 11:26:12,598 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:12" (1/1) ...
[2024-12-02 11:26:12,599 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:12" (1/1) ...
[2024-12-02 11:26:12,599 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:12" (1/1) ...
[2024-12-02 11:26:12,608 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 11:26:12,608 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:12" (1/1) ...
[2024-12-02 11:26:12,608 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:12" (1/1) ...
[2024-12-02 11:26:12,611 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:12" (1/1) ...
[2024-12-02 11:26:12,611 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:12" (1/1) ...
[2024-12-02 11:26:12,613 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:12" (1/1) ...
[2024-12-02 11:26:12,614 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:12" (1/1) ...
[2024-12-02 11:26:12,614 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:12" (1/1) ...
[2024-12-02 11:26:12,615 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 11:26:12,616 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 11:26:12,616 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 11:26:12,616 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 11:26:12,617 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:12" (1/1) ...
[2024-12-02 11:26:12,622 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:26:12,634 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:26:12,647 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 11:26:12,649 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 11:26:12,675 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 11:26:12,675 INFO  L130     BoogieDeclarations]: Found specification of procedure applyHanoi
[2024-12-02 11:26:12,675 INFO  L138     BoogieDeclarations]: Found implementation of procedure applyHanoi
[2024-12-02 11:26:12,675 INFO  L130     BoogieDeclarations]: Found specification of procedure hanoi
[2024-12-02 11:26:12,675 INFO  L138     BoogieDeclarations]: Found implementation of procedure hanoi
[2024-12-02 11:26:12,675 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 11:26:12,676 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 11:26:12,676 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 11:26:12,732 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 11:26:12,735 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 11:26:12,880 INFO  L?                        ?]: Removed 19 outVars from TransFormulas that were not future-live.
[2024-12-02 11:26:12,880 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 11:26:12,889 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 11:26:12,890 INFO  L312             CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 11:26:12,890 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:26:12 BoogieIcfgContainer
[2024-12-02 11:26:12,890 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 11:26:12,892 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 11:26:12,892 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 11:26:12,897 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 11:26:12,897 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:26:12" (1/3) ...
[2024-12-02 11:26:12,898 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adef3ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:26:12, skipping insertion in model container
[2024-12-02 11:26:12,898 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:26:12" (2/3) ...
[2024-12-02 11:26:12,898 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4adef3ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:26:12, skipping insertion in model container
[2024-12-02 11:26:12,898 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:26:12" (3/3) ...
[2024-12-02 11:26:12,899 INFO  L128   eAbstractionObserver]: Analyzing ICFG recHanoi01.c
[2024-12-02 11:26:12,914 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 11:26:12,916 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG recHanoi01.c that has 3 procedures, 48 locations, 1 initial locations, 0 loop locations, and 12 error locations.
[2024-12-02 11:26:12,963 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 11:26:12,974 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;@7677762c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 11:26:12,975 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2024-12-02 11:26:12,979 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 48 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 41 states have internal predecessors, (44), 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 11:26:12,985 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-12-02 11:26:12,985 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:26:12,985 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:26:12,985 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:26:12,989 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:26:12,989 INFO  L85        PathProgramCache]: Analyzing trace with hash -163862552, now seen corresponding path program 1 times
[2024-12-02 11:26:12,995 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:26:12,995 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734627102]
[2024-12-02 11:26:12,995 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:26:12,996 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:26:13,060 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:26:13,176 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 11:26:13,177 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:26:13,177 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734627102]
[2024-12-02 11:26:13,178 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734627102] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:26:13,178 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:26:13,178 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:26:13,179 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460901976]
[2024-12-02 11:26:13,180 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:26:13,183 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:26:13,183 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:26:13,196 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:26:13,196 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:26:13,197 INFO  L87              Difference]: Start difference. First operand  has 48 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 41 states have internal predecessors, (44), 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 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:13,269 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:26:13,269 INFO  L93              Difference]: Finished difference Result 84 states and 92 transitions.
[2024-12-02 11:26:13,270 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:26:13,271 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2024-12-02 11:26:13,272 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:26:13,276 INFO  L225             Difference]: With dead ends: 84
[2024-12-02 11:26:13,276 INFO  L226             Difference]: Without dead ends: 66
[2024-12-02 11:26:13,278 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:26:13,281 INFO  L435           NwaCegarLoop]: 47 mSDtfsCounter, 34 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:26:13,281 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 135 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:26:13,291 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2024-12-02 11:26:13,305 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 47.
[2024-12-02 11:26:13,306 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 47 states, 27 states have (on average 1.5555555555555556) internal successors, (42), 40 states have internal predecessors, (42), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5)
[2024-12-02 11:26:13,309 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions.
[2024-12-02 11:26:13,310 INFO  L78                 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 7
[2024-12-02 11:26:13,311 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:26:13,311 INFO  L471      AbstractCegarLoop]: Abstraction has 47 states and 52 transitions.
[2024-12-02 11:26:13,311 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:13,311 INFO  L276                IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions.
[2024-12-02 11:26:13,311 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-02 11:26:13,311 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:26:13,311 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:26:13,312 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 11:26:13,312 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:26:13,312 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:26:13,312 INFO  L85        PathProgramCache]: Analyzing trace with hash 1441878698, now seen corresponding path program 1 times
[2024-12-02 11:26:13,312 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:26:13,313 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696428234]
[2024-12-02 11:26:13,313 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:26:13,313 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:26:13,326 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:26:13,392 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 11:26:13,392 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:26:13,393 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696428234]
[2024-12-02 11:26:13,393 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696428234] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:26:13,393 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:26:13,393 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:26:13,393 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262480653]
[2024-12-02 11:26:13,393 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:26:13,394 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:26:13,394 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:26:13,395 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:26:13,395 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:26:13,395 INFO  L87              Difference]: Start difference. First operand 47 states and 52 transitions. Second operand  has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:13,467 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:26:13,467 INFO  L93              Difference]: Finished difference Result 78 states and 85 transitions.
[2024-12-02 11:26:13,468 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 11:26:13,468 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-12-02 11:26:13,468 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:26:13,469 INFO  L225             Difference]: With dead ends: 78
[2024-12-02 11:26:13,469 INFO  L226             Difference]: Without dead ends: 55
[2024-12-02 11:26:13,469 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:26:13,470 INFO  L435           NwaCegarLoop]: 37 mSDtfsCounter, 16 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:26:13,470 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 141 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:26:13,471 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 55 states.
[2024-12-02 11:26:13,477 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53.
[2024-12-02 11:26:13,477 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 53 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 44 states have internal predecessors, (47), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 11:26:13,478 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions.
[2024-12-02 11:26:13,479 INFO  L78                 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 9
[2024-12-02 11:26:13,479 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:26:13,479 INFO  L471      AbstractCegarLoop]: Abstraction has 53 states and 60 transitions.
[2024-12-02 11:26:13,479 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:13,479 INFO  L276                IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions.
[2024-12-02 11:26:13,480 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-12-02 11:26:13,480 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:26:13,480 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:26:13,480 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 11:26:13,480 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:26:13,481 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:26:13,481 INFO  L85        PathProgramCache]: Analyzing trace with hash 1748566720, now seen corresponding path program 1 times
[2024-12-02 11:26:13,481 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:26:13,481 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058469566]
[2024-12-02 11:26:13,481 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:26:13,481 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:26:13,493 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:26:13,551 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 11:26:13,552 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:26:13,552 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058469566]
[2024-12-02 11:26:13,552 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058469566] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:26:13,552 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:26:13,552 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:26:13,552 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978829717]
[2024-12-02 11:26:13,552 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:26:13,552 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:26:13,553 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:26:13,553 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:26:13,553 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:26:13,553 INFO  L87              Difference]: Start difference. First operand 53 states and 60 transitions. Second operand  has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:13,638 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:26:13,638 INFO  L93              Difference]: Finished difference Result 55 states and 65 transitions.
[2024-12-02 11:26:13,639 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 11:26:13,639 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-12-02 11:26:13,639 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:26:13,641 INFO  L225             Difference]: With dead ends: 55
[2024-12-02 11:26:13,641 INFO  L226             Difference]: Without dead ends: 53
[2024-12-02 11:26:13,642 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:26:13,643 INFO  L435           NwaCegarLoop]: 32 mSDtfsCounter, 20 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:26:13,643 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 108 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:26:13,644 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2024-12-02 11:26:13,650 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51.
[2024-12-02 11:26:13,650 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 51 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 42 states have internal predecessors, (43), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 11:26:13,652 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions.
[2024-12-02 11:26:13,652 INFO  L78                 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 10
[2024-12-02 11:26:13,652 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:26:13,652 INFO  L471      AbstractCegarLoop]: Abstraction has 51 states and 56 transitions.
[2024-12-02 11:26:13,652 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:13,653 INFO  L276                IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions.
[2024-12-02 11:26:13,653 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-12-02 11:26:13,653 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:26:13,653 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:26:13,653 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 11:26:13,654 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:26:13,654 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:26:13,654 INFO  L85        PathProgramCache]: Analyzing trace with hash -895197661, now seen corresponding path program 1 times
[2024-12-02 11:26:13,654 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:26:13,655 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186238872]
[2024-12-02 11:26:13,655 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:26:13,655 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:26:13,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:26:13,777 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:13,778 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:26:13,778 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186238872]
[2024-12-02 11:26:13,778 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186238872] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:26:13,778 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418379242]
[2024-12-02 11:26:13,778 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:26:13,778 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:13,778 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:26:13,780 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:26:13,782 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 11:26:13,829 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:26:13,831 INFO  L256         TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 11:26:13,835 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:26:13,904 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:13,904 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:26:13,905 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [418379242] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:26:13,905 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 11:26:13,905 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8
[2024-12-02 11:26:13,905 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78178018]
[2024-12-02 11:26:13,905 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:26:13,905 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:26:13,905 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:26:13,906 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:26:13,906 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2024-12-02 11:26:13,906 INFO  L87              Difference]: Start difference. First operand 51 states and 56 transitions. Second operand  has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:13,937 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:26:13,937 INFO  L93              Difference]: Finished difference Result 51 states and 56 transitions.
[2024-12-02 11:26:13,937 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:26:13,937 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14
[2024-12-02 11:26:13,938 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:26:13,938 INFO  L225             Difference]: With dead ends: 51
[2024-12-02 11:26:13,938 INFO  L226             Difference]: Without dead ends: 50
[2024-12-02 11:26:13,939 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2024-12-02 11:26:13,939 INFO  L435           NwaCegarLoop]: 38 mSDtfsCounter, 36 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:26:13,940 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 114 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:26:13,940 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2024-12-02 11:26:13,946 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2024-12-02 11:26:13,947 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 50 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 41 states have internal predecessors, (42), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 11:26:13,948 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions.
[2024-12-02 11:26:13,948 INFO  L78                 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 14
[2024-12-02 11:26:13,948 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:26:13,948 INFO  L471      AbstractCegarLoop]: Abstraction has 50 states and 55 transitions.
[2024-12-02 11:26:13,948 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:13,948 INFO  L276                IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions.
[2024-12-02 11:26:13,949 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-12-02 11:26:13,949 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:26:13,949 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:26:13,956 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 11:26:14,149 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:14,150 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:26:14,150 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:26:14,150 INFO  L85        PathProgramCache]: Analyzing trace with hash -1981323677, now seen corresponding path program 1 times
[2024-12-02 11:26:14,150 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:26:14,150 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366193868]
[2024-12-02 11:26:14,150 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:26:14,151 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:26:14,160 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:26:14,244 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:14,244 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:26:14,244 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366193868]
[2024-12-02 11:26:14,244 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366193868] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:26:14,244 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712449860]
[2024-12-02 11:26:14,244 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:26:14,244 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:14,244 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:26:14,246 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:26:14,249 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 11:26:14,288 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:26:14,288 INFO  L256         TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-02 11:26:14,290 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:26:14,335 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:14,335 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:26:14,398 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:14,398 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712449860] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:26:14,398 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:26:14,398 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-12-02 11:26:14,399 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061455739]
[2024-12-02 11:26:14,399 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:26:14,399 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-12-02 11:26:14,399 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:26:14,399 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-12-02 11:26:14,400 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-12-02 11:26:14,400 INFO  L87              Difference]: Start difference. First operand 50 states and 55 transitions. Second operand  has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:14,573 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:26:14,573 INFO  L93              Difference]: Finished difference Result 157 states and 189 transitions.
[2024-12-02 11:26:14,574 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-12-02 11:26:14,574 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2024-12-02 11:26:14,574 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:26:14,576 INFO  L225             Difference]: With dead ends: 157
[2024-12-02 11:26:14,576 INFO  L226             Difference]: Without dead ends: 156
[2024-12-02 11:26:14,577 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240
[2024-12-02 11:26:14,577 INFO  L435           NwaCegarLoop]: 39 mSDtfsCounter, 126 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:26:14,578 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 260 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:26:14,578 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 156 states.
[2024-12-02 11:26:14,592 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 89.
[2024-12-02 11:26:14,593 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 89 states, 60 states have (on average 1.3) internal successors, (78), 72 states have internal predecessors, (78), 14 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (28), 13 states have call predecessors, (28), 13 states have call successors, (28)
[2024-12-02 11:26:14,594 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 120 transitions.
[2024-12-02 11:26:14,594 INFO  L78                 Accepts]: Start accepts. Automaton has 89 states and 120 transitions. Word has length 15
[2024-12-02 11:26:14,594 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:26:14,595 INFO  L471      AbstractCegarLoop]: Abstraction has 89 states and 120 transitions.
[2024-12-02 11:26:14,595 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:14,595 INFO  L276                IsEmpty]: Start isEmpty. Operand 89 states and 120 transitions.
[2024-12-02 11:26:14,595 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-12-02 11:26:14,595 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:26:14,595 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:26:14,605 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 11:26:14,796 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:14,796 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:26:14,796 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:26:14,796 INFO  L85        PathProgramCache]: Analyzing trace with hash -1291491803, now seen corresponding path program 1 times
[2024-12-02 11:26:14,796 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:26:14,796 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236498890]
[2024-12-02 11:26:14,796 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:26:14,796 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:26:14,805 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:26:14,867 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:14,867 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:26:14,867 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236498890]
[2024-12-02 11:26:14,867 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236498890] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:26:14,867 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934817689]
[2024-12-02 11:26:14,867 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:26:14,868 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:14,868 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:26:14,869 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:26:14,870 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 11:26:14,905 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:26:14,906 INFO  L256         TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 11:26:14,907 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:26:14,939 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:14,939 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:26:15,003 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:15,003 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934817689] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:26:15,003 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:26:15,003 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11
[2024-12-02 11:26:15,004 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670346980]
[2024-12-02 11:26:15,004 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:26:15,004 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-12-02 11:26:15,004 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:26:15,004 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-12-02 11:26:15,005 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132
[2024-12-02 11:26:15,005 INFO  L87              Difference]: Start difference. First operand 89 states and 120 transitions. Second operand  has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:15,110 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:26:15,110 INFO  L93              Difference]: Finished difference Result 95 states and 126 transitions.
[2024-12-02 11:26:15,110 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-12-02 11:26:15,111 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16
[2024-12-02 11:26:15,111 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:26:15,112 INFO  L225             Difference]: With dead ends: 95
[2024-12-02 11:26:15,112 INFO  L226             Difference]: Without dead ends: 93
[2024-12-02 11:26:15,112 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210
[2024-12-02 11:26:15,113 INFO  L435           NwaCegarLoop]: 31 mSDtfsCounter, 42 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:26:15,113 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 209 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:26:15,114 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2024-12-02 11:26:15,127 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93.
[2024-12-02 11:26:15,127 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 93 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 73 states have internal predecessors, (75), 14 states have call successors, (14), 6 states have call predecessors, (14), 9 states have return successors, (31), 13 states have call predecessors, (31), 13 states have call successors, (31)
[2024-12-02 11:26:15,129 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 120 transitions.
[2024-12-02 11:26:15,129 INFO  L78                 Accepts]: Start accepts. Automaton has 93 states and 120 transitions. Word has length 16
[2024-12-02 11:26:15,129 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:26:15,129 INFO  L471      AbstractCegarLoop]: Abstraction has 93 states and 120 transitions.
[2024-12-02 11:26:15,130 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 9 states have (on average 2.888888888888889) internal successors, (26), 8 states have internal predecessors, (26), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:15,130 INFO  L276                IsEmpty]: Start isEmpty. Operand 93 states and 120 transitions.
[2024-12-02 11:26:15,130 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2024-12-02 11:26:15,130 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:26:15,131 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:26:15,137 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 11:26:15,331 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:15,331 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:26:15,332 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:26:15,332 INFO  L85        PathProgramCache]: Analyzing trace with hash 978877444, now seen corresponding path program 1 times
[2024-12-02 11:26:15,332 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:26:15,332 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628715043]
[2024-12-02 11:26:15,332 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:26:15,332 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:26:15,341 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:26:15,377 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-12-02 11:26:15,378 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:26:15,378 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628715043]
[2024-12-02 11:26:15,378 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628715043] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:26:15,378 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:26:15,378 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:26:15,378 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630273706]
[2024-12-02 11:26:15,378 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:26:15,378 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:26:15,378 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:26:15,379 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:26:15,379 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:26:15,379 INFO  L87              Difference]: Start difference. First operand 93 states and 120 transitions. Second operand  has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 11:26:15,417 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:26:15,417 INFO  L93              Difference]: Finished difference Result 113 states and 140 transitions.
[2024-12-02 11:26:15,418 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 11:26:15,418 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28
[2024-12-02 11:26:15,418 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:26:15,419 INFO  L225             Difference]: With dead ends: 113
[2024-12-02 11:26:15,419 INFO  L226             Difference]: Without dead ends: 108
[2024-12-02 11:26:15,420 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:26:15,420 INFO  L435           NwaCegarLoop]: 35 mSDtfsCounter, 28 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:26:15,420 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 135 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:26:15,421 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 108 states.
[2024-12-02 11:26:15,436 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 103.
[2024-12-02 11:26:15,436 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 103 states, 72 states have (on average 1.2222222222222223) internal successors, (88), 81 states have internal predecessors, (88), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (32), 14 states have call predecessors, (32), 14 states have call successors, (32)
[2024-12-02 11:26:15,438 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 135 transitions.
[2024-12-02 11:26:15,438 INFO  L78                 Accepts]: Start accepts. Automaton has 103 states and 135 transitions. Word has length 28
[2024-12-02 11:26:15,438 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:26:15,438 INFO  L471      AbstractCegarLoop]: Abstraction has 103 states and 135 transitions.
[2024-12-02 11:26:15,438 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 11:26:15,438 INFO  L276                IsEmpty]: Start isEmpty. Operand 103 states and 135 transitions.
[2024-12-02 11:26:15,439 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2024-12-02 11:26:15,439 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:26:15,439 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:26:15,439 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 11:26:15,439 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:26:15,440 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:26:15,440 INFO  L85        PathProgramCache]: Analyzing trace with hash 280429750, now seen corresponding path program 1 times
[2024-12-02 11:26:15,440 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:26:15,440 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407375011]
[2024-12-02 11:26:15,440 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:26:15,440 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:26:15,449 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:26:15,521 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 11:26:15,522 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:26:15,522 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407375011]
[2024-12-02 11:26:15,522 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407375011] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:26:15,522 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052536146]
[2024-12-02 11:26:15,522 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:26:15,522 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:15,522 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:26:15,527 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:26:15,529 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 11:26:15,570 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:26:15,571 INFO  L256         TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-02 11:26:15,573 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:26:15,612 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-12-02 11:26:15,613 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:26:15,613 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052536146] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:26:15,613 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 11:26:15,613 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10
[2024-12-02 11:26:15,613 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630888393]
[2024-12-02 11:26:15,613 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:26:15,613 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:26:15,613 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:26:15,614 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:26:15,614 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110
[2024-12-02 11:26:15,614 INFO  L87              Difference]: Start difference. First operand 103 states and 135 transitions. Second operand  has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 11:26:15,651 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:26:15,652 INFO  L93              Difference]: Finished difference Result 105 states and 138 transitions.
[2024-12-02 11:26:15,653 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 11:26:15,653 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 29
[2024-12-02 11:26:15,653 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:26:15,654 INFO  L225             Difference]: With dead ends: 105
[2024-12-02 11:26:15,654 INFO  L226             Difference]: Without dead ends: 104
[2024-12-02 11:26:15,654 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132
[2024-12-02 11:26:15,655 INFO  L435           NwaCegarLoop]: 33 mSDtfsCounter, 27 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:26:15,655 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 104 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:26:15,656 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 104 states.
[2024-12-02 11:26:15,668 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102.
[2024-12-02 11:26:15,668 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 102 states, 72 states have (on average 1.1944444444444444) internal successors, (86), 80 states have internal predecessors, (86), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (32), 14 states have call predecessors, (32), 14 states have call successors, (32)
[2024-12-02 11:26:15,669 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 133 transitions.
[2024-12-02 11:26:15,670 INFO  L78                 Accepts]: Start accepts. Automaton has 102 states and 133 transitions. Word has length 29
[2024-12-02 11:26:15,670 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:26:15,670 INFO  L471      AbstractCegarLoop]: Abstraction has 102 states and 133 transitions.
[2024-12-02 11:26:15,670 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 11:26:15,670 INFO  L276                IsEmpty]: Start isEmpty. Operand 102 states and 133 transitions.
[2024-12-02 11:26:15,671 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-12-02 11:26:15,671 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:26:15,671 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:26:15,679 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 11:26:15,871 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:15,872 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:26:15,872 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:26:15,872 INFO  L85        PathProgramCache]: Analyzing trace with hash 533107753, now seen corresponding path program 1 times
[2024-12-02 11:26:15,872 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:26:15,872 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897317750]
[2024-12-02 11:26:15,872 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:26:15,872 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:26:15,880 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:26:15,942 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-12-02 11:26:15,942 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:26:15,942 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897317750]
[2024-12-02 11:26:15,942 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897317750] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:26:15,942 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51280743]
[2024-12-02 11:26:15,943 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:26:15,943 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:15,943 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:26:15,944 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:26:15,949 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 11:26:15,998 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:26:15,999 INFO  L256         TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 11:26:16,001 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:26:16,030 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-12-02 11:26:16,030 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:26:16,111 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-12-02 11:26:16,112 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [51280743] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:26:16,112 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:26:16,112 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11
[2024-12-02 11:26:16,112 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570451074]
[2024-12-02 11:26:16,112 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:26:16,112 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-12-02 11:26:16,112 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:26:16,113 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-12-02 11:26:16,113 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132
[2024-12-02 11:26:16,113 INFO  L87              Difference]: Start difference. First operand 102 states and 133 transitions. Second operand  has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 5 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2024-12-02 11:26:16,236 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:26:16,236 INFO  L93              Difference]: Finished difference Result 163 states and 196 transitions.
[2024-12-02 11:26:16,236 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-12-02 11:26:16,237 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 5 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 33
[2024-12-02 11:26:16,237 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:26:16,238 INFO  L225             Difference]: With dead ends: 163
[2024-12-02 11:26:16,238 INFO  L226             Difference]: Without dead ends: 162
[2024-12-02 11:26:16,238 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240
[2024-12-02 11:26:16,239 INFO  L435           NwaCegarLoop]: 34 mSDtfsCounter, 173 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:26:16,239 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 259 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:26:16,240 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 162 states.
[2024-12-02 11:26:16,256 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 138.
[2024-12-02 11:26:16,256 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 138 states, 102 states have (on average 1.2843137254901962) internal successors, (131), 110 states have internal predecessors, (131), 18 states have call successors, (18), 10 states have call predecessors, (18), 12 states have return successors, (35), 17 states have call predecessors, (35), 17 states have call successors, (35)
[2024-12-02 11:26:16,258 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 184 transitions.
[2024-12-02 11:26:16,258 INFO  L78                 Accepts]: Start accepts. Automaton has 138 states and 184 transitions. Word has length 33
[2024-12-02 11:26:16,258 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:26:16,258 INFO  L471      AbstractCegarLoop]: Abstraction has 138 states and 184 transitions.
[2024-12-02 11:26:16,259 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 5 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4)
[2024-12-02 11:26:16,259 INFO  L276                IsEmpty]: Start isEmpty. Operand 138 states and 184 transitions.
[2024-12-02 11:26:16,260 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2024-12-02 11:26:16,260 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:26:16,260 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 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 11:26:16,268 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 11:26:16,460 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:16,461 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:26:16,461 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:26:16,461 INFO  L85        PathProgramCache]: Analyzing trace with hash -976431123, now seen corresponding path program 1 times
[2024-12-02 11:26:16,461 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:26:16,461 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142907268]
[2024-12-02 11:26:16,461 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:26:16,461 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:26:16,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:26:16,505 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-12-02 11:26:16,505 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:26:16,505 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142907268]
[2024-12-02 11:26:16,505 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142907268] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:26:16,505 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:26:16,505 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:26:16,505 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683509148]
[2024-12-02 11:26:16,505 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:26:16,505 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:26:16,506 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:26:16,506 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:26:16,506 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:26:16,506 INFO  L87              Difference]: Start difference. First operand 138 states and 184 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, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 11:26:16,540 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:26:16,540 INFO  L93              Difference]: Finished difference Result 175 states and 237 transitions.
[2024-12-02 11:26:16,541 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-02 11:26:16,541 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, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36
[2024-12-02 11:26:16,541 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:26:16,542 INFO  L225             Difference]: With dead ends: 175
[2024-12-02 11:26:16,542 INFO  L226             Difference]: Without dead ends: 164
[2024-12-02 11:26:16,543 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 11:26:16,543 INFO  L435           NwaCegarLoop]: 34 mSDtfsCounter, 3 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:26:16,543 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 97 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:26:16,544 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 164 states.
[2024-12-02 11:26:16,558 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164.
[2024-12-02 11:26:16,559 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 164 states, 125 states have (on average 1.224) internal successors, (153), 132 states have internal predecessors, (153), 18 states have call successors, (18), 10 states have call predecessors, (18), 15 states have return successors, (39), 21 states have call predecessors, (39), 17 states have call successors, (39)
[2024-12-02 11:26:16,560 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 210 transitions.
[2024-12-02 11:26:16,561 INFO  L78                 Accepts]: Start accepts. Automaton has 164 states and 210 transitions. Word has length 36
[2024-12-02 11:26:16,561 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:26:16,561 INFO  L471      AbstractCegarLoop]: Abstraction has 164 states and 210 transitions.
[2024-12-02 11:26:16,561 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, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 11:26:16,561 INFO  L276                IsEmpty]: Start isEmpty. Operand 164 states and 210 transitions.
[2024-12-02 11:26:16,562 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2024-12-02 11:26:16,562 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:26:16,562 INFO  L218           NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1]
[2024-12-02 11:26:16,562 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 11:26:16,563 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:26:16,563 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:26:16,563 INFO  L85        PathProgramCache]: Analyzing trace with hash 985458174, now seen corresponding path program 2 times
[2024-12-02 11:26:16,563 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:26:16,563 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791194223]
[2024-12-02 11:26:16,563 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 11:26:16,563 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:26:16,577 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 11:26:16,577 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:26:16,818 INFO  L134       CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:16,818 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:26:16,818 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791194223]
[2024-12-02 11:26:16,818 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791194223] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:26:16,818 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341813608]
[2024-12-02 11:26:16,818 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 11:26:16,818 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:16,818 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:26:16,820 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:26:16,821 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-02 11:26:16,867 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 11:26:16,867 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:26:16,868 INFO  L256         TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 21 conjuncts are in the unsatisfiable core
[2024-12-02 11:26:16,870 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:26:16,959 INFO  L134       CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:16,960 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:26:17,126 INFO  L134       CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:17,126 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [341813608] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:26:17,126 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:26:17,126 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23
[2024-12-02 11:26:17,127 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887493367]
[2024-12-02 11:26:17,127 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:26:17,127 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-12-02 11:26:17,127 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:26:17,128 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-12-02 11:26:17,128 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552
[2024-12-02 11:26:17,128 INFO  L87              Difference]: Start difference. First operand 164 states and 210 transitions. Second operand  has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:17,657 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:26:17,657 INFO  L93              Difference]: Finished difference Result 1095 states and 1449 transitions.
[2024-12-02 11:26:17,657 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2024-12-02 11:26:17,657 INFO  L78                 Accepts]: Start accepts. Automaton has  has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36
[2024-12-02 11:26:17,658 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:26:17,663 INFO  L225             Difference]: With dead ends: 1095
[2024-12-02 11:26:17,663 INFO  L226             Difference]: Without dead ends: 1094
[2024-12-02 11:26:17,665 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=332, Invalid=790, Unknown=0, NotChecked=0, Total=1122
[2024-12-02 11:26:17,665 INFO  L435           NwaCegarLoop]: 36 mSDtfsCounter, 653 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 11:26:17,665 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 417 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 11:26:17,667 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1094 states.
[2024-12-02 11:26:17,702 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 266.
[2024-12-02 11:26:17,703 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 266 states, 197 states have (on average 1.1725888324873097) internal successors, (231), 210 states have internal predecessors, (231), 36 states have call successors, (36), 16 states have call predecessors, (36), 27 states have return successors, (168), 39 states have call predecessors, (168), 35 states have call successors, (168)
[2024-12-02 11:26:17,706 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 435 transitions.
[2024-12-02 11:26:17,707 INFO  L78                 Accepts]: Start accepts. Automaton has 266 states and 435 transitions. Word has length 36
[2024-12-02 11:26:17,707 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:26:17,707 INFO  L471      AbstractCegarLoop]: Abstraction has 266 states and 435 transitions.
[2024-12-02 11:26:17,707 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 23 states have (on average 2.8260869565217392) internal successors, (65), 24 states have internal predecessors, (65), 11 states have call successors, (11), 11 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:17,707 INFO  L276                IsEmpty]: Start isEmpty. Operand 266 states and 435 transitions.
[2024-12-02 11:26:17,709 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2024-12-02 11:26:17,709 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:26:17,709 INFO  L218           NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:26:17,717 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-02 11:26:17,909 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2024-12-02 11:26:17,910 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:26:17,910 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:26:17,910 INFO  L85        PathProgramCache]: Analyzing trace with hash 603763268, now seen corresponding path program 2 times
[2024-12-02 11:26:17,910 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:26:17,910 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476150640]
[2024-12-02 11:26:17,910 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 11:26:17,910 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:26:17,920 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 11:26:17,920 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:26:18,091 INFO  L134       CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 11:26:18,091 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:26:18,091 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476150640]
[2024-12-02 11:26:18,092 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476150640] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:26:18,092 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824634839]
[2024-12-02 11:26:18,092 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 11:26:18,092 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:18,092 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:26:18,093 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:26:18,095 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-02 11:26:18,142 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 11:26:18,143 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:26:18,144 INFO  L256         TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-12-02 11:26:18,145 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:26:18,187 INFO  L134       CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-12-02 11:26:18,188 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:26:18,386 INFO  L134       CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-12-02 11:26:18,387 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824634839] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:26:18,387 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:26:18,387 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 12] total 26
[2024-12-02 11:26:18,387 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69282102]
[2024-12-02 11:26:18,387 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:26:18,387 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2024-12-02 11:26:18,387 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:26:18,388 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2024-12-02 11:26:18,388 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=559, Unknown=0, NotChecked=0, Total=702
[2024-12-02 11:26:18,389 INFO  L87              Difference]: Start difference. First operand 266 states and 435 transitions. Second operand  has 27 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 17 states have internal predecessors, (64), 13 states have call successors, (17), 11 states have call predecessors, (17), 3 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7)
[2024-12-02 11:26:18,790 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:26:18,790 INFO  L93              Difference]: Finished difference Result 421 states and 585 transitions.
[2024-12-02 11:26:18,791 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. 
[2024-12-02 11:26:18,791 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 17 states have internal predecessors, (64), 13 states have call successors, (17), 11 states have call predecessors, (17), 3 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7) Word has length 48
[2024-12-02 11:26:18,791 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:26:18,794 INFO  L225             Difference]: With dead ends: 421
[2024-12-02 11:26:18,794 INFO  L226             Difference]: Without dead ends: 420
[2024-12-02 11:26:18,795 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=323, Invalid=1083, Unknown=0, NotChecked=0, Total=1406
[2024-12-02 11:26:18,795 INFO  L435           NwaCegarLoop]: 29 mSDtfsCounter, 532 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 11:26:18,796 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 411 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 11:26:18,797 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 420 states.
[2024-12-02 11:26:18,850 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 380.
[2024-12-02 11:26:18,851 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 380 states, 293 states have (on average 1.2184300341296928) internal successors, (357), 306 states have internal predecessors, (357), 42 states have call successors, (42), 22 states have call predecessors, (42), 39 states have return successors, (180), 51 states have call predecessors, (180), 41 states have call successors, (180)
[2024-12-02 11:26:18,856 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 579 transitions.
[2024-12-02 11:26:18,857 INFO  L78                 Accepts]: Start accepts. Automaton has 380 states and 579 transitions. Word has length 48
[2024-12-02 11:26:18,857 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:26:18,857 INFO  L471      AbstractCegarLoop]: Abstraction has 380 states and 579 transitions.
[2024-12-02 11:26:18,857 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 24 states have (on average 2.6666666666666665) internal successors, (64), 17 states have internal predecessors, (64), 13 states have call successors, (17), 11 states have call predecessors, (17), 3 states have return successors, (7), 4 states have call predecessors, (7), 5 states have call successors, (7)
[2024-12-02 11:26:18,857 INFO  L276                IsEmpty]: Start isEmpty. Operand 380 states and 579 transitions.
[2024-12-02 11:26:18,859 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2024-12-02 11:26:18,859 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:26:18,859 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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 11:26:18,867 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-12-02 11:26:19,059 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-12-02 11:26:19,059 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:26:19,060 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:26:19,060 INFO  L85        PathProgramCache]: Analyzing trace with hash 1788578095, now seen corresponding path program 1 times
[2024-12-02 11:26:19,060 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:26:19,060 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589289859]
[2024-12-02 11:26:19,060 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:26:19,060 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:26:19,071 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:26:19,287 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 11:26:19,287 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:26:19,287 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589289859]
[2024-12-02 11:26:19,287 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589289859] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:26:19,287 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931396244]
[2024-12-02 11:26:19,287 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:26:19,287 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:19,287 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:26:19,289 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:26:19,291 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-12-02 11:26:19,337 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:26:19,338 INFO  L256         TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-12-02 11:26:19,340 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:26:19,422 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 11:26:19,423 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:26:19,809 INFO  L134       CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 11:26:19,810 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [931396244] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:26:19,810 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:26:19,810 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 13] total 23
[2024-12-02 11:26:19,810 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24551289]
[2024-12-02 11:26:19,810 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:26:19,810 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2024-12-02 11:26:19,811 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:26:19,811 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2024-12-02 11:26:19,811 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=438, Unknown=0, NotChecked=0, Total=506
[2024-12-02 11:26:19,812 INFO  L87              Difference]: Start difference. First operand 380 states and 579 transitions. Second operand  has 23 states, 21 states have (on average 3.142857142857143) internal successors, (66), 19 states have internal predecessors, (66), 11 states have call successors, (11), 3 states have call predecessors, (11), 8 states have return successors, (12), 8 states have call predecessors, (12), 9 states have call successors, (12)
[2024-12-02 11:26:20,240 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:26:20,241 INFO  L93              Difference]: Finished difference Result 697 states and 1209 transitions.
[2024-12-02 11:26:20,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-12-02 11:26:20,241 INFO  L78                 Accepts]: Start accepts. Automaton has  has 23 states, 21 states have (on average 3.142857142857143) internal successors, (66), 19 states have internal predecessors, (66), 11 states have call successors, (11), 3 states have call predecessors, (11), 8 states have return successors, (12), 8 states have call predecessors, (12), 9 states have call successors, (12) Word has length 48
[2024-12-02 11:26:20,242 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:26:20,247 INFO  L225             Difference]: With dead ends: 697
[2024-12-02 11:26:20,247 INFO  L226             Difference]: Without dead ends: 550
[2024-12-02 11:26:20,249 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 86 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=799, Unknown=0, NotChecked=0, Total=930
[2024-12-02 11:26:20,249 INFO  L435           NwaCegarLoop]: 20 mSDtfsCounter, 53 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 11:26:20,250 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 202 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 11:26:20,251 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 550 states.
[2024-12-02 11:26:20,351 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 505.
[2024-12-02 11:26:20,353 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 505 states, 380 states have (on average 1.1710526315789473) internal successors, (445), 392 states have internal predecessors, (445), 70 states have call successors, (70), 33 states have call predecessors, (70), 49 states have return successors, (387), 79 states have call predecessors, (387), 58 states have call successors, (387)
[2024-12-02 11:26:20,359 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 902 transitions.
[2024-12-02 11:26:20,360 INFO  L78                 Accepts]: Start accepts. Automaton has 505 states and 902 transitions. Word has length 48
[2024-12-02 11:26:20,360 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:26:20,360 INFO  L471      AbstractCegarLoop]: Abstraction has 505 states and 902 transitions.
[2024-12-02 11:26:20,360 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 23 states, 21 states have (on average 3.142857142857143) internal successors, (66), 19 states have internal predecessors, (66), 11 states have call successors, (11), 3 states have call predecessors, (11), 8 states have return successors, (12), 8 states have call predecessors, (12), 9 states have call successors, (12)
[2024-12-02 11:26:20,360 INFO  L276                IsEmpty]: Start isEmpty. Operand 505 states and 902 transitions.
[2024-12-02 11:26:20,363 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2024-12-02 11:26:20,364 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:26:20,364 INFO  L218           NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:26:20,372 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-12-02 11:26:20,564 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2024-12-02 11:26:20,564 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:26:20,565 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:26:20,565 INFO  L85        PathProgramCache]: Analyzing trace with hash 220460964, now seen corresponding path program 3 times
[2024-12-02 11:26:20,565 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:26:20,565 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213761678]
[2024-12-02 11:26:20,565 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 11:26:20,565 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:26:20,573 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-12-02 11:26:20,574 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:26:20,708 INFO  L134       CoverageAnalysis]: Checked inductivity of 267 backedges. 85 proven. 42 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked.
[2024-12-02 11:26:20,709 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:26:20,709 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213761678]
[2024-12-02 11:26:20,709 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213761678] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:26:20,709 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114633308]
[2024-12-02 11:26:20,709 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 11:26:20,709 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:20,709 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:26:20,711 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:26:20,712 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-12-02 11:26:20,758 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-12-02 11:26:20,758 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:26:20,759 INFO  L256         TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-12-02 11:26:20,761 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:26:20,801 INFO  L134       CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 3 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked.
[2024-12-02 11:26:20,801 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:26:20,962 INFO  L134       CoverageAnalysis]: Checked inductivity of 267 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked.
[2024-12-02 11:26:20,962 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114633308] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:26:20,962 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:26:20,962 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 13
[2024-12-02 11:26:20,962 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784322564]
[2024-12-02 11:26:20,962 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:26:20,963 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-12-02 11:26:20,963 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:26:20,963 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-12-02 11:26:20,963 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156
[2024-12-02 11:26:20,964 INFO  L87              Difference]: Start difference. First operand 505 states and 902 transitions. Second operand  has 13 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6)
[2024-12-02 11:26:21,088 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:26:21,088 INFO  L93              Difference]: Finished difference Result 511 states and 908 transitions.
[2024-12-02 11:26:21,089 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-12-02 11:26:21,089 INFO  L78                 Accepts]: Start accepts. Automaton has  has 13 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 78
[2024-12-02 11:26:21,089 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:26:21,092 INFO  L225             Difference]: With dead ends: 511
[2024-12-02 11:26:21,092 INFO  L226             Difference]: Without dead ends: 243
[2024-12-02 11:26:21,093 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 152 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240
[2024-12-02 11:26:21,094 INFO  L435           NwaCegarLoop]: 14 mSDtfsCounter, 21 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:26:21,094 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 67 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:26:21,095 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 243 states.
[2024-12-02 11:26:21,121 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 214.
[2024-12-02 11:26:21,121 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 214 states, 148 states have (on average 1.0743243243243243) internal successors, (159), 158 states have internal predecessors, (159), 38 states have call successors, (38), 11 states have call predecessors, (38), 27 states have return successors, (199), 44 states have call predecessors, (199), 27 states have call successors, (199)
[2024-12-02 11:26:21,124 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 396 transitions.
[2024-12-02 11:26:21,125 INFO  L78                 Accepts]: Start accepts. Automaton has 214 states and 396 transitions. Word has length 78
[2024-12-02 11:26:21,125 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:26:21,125 INFO  L471      AbstractCegarLoop]: Abstraction has 214 states and 396 transitions.
[2024-12-02 11:26:21,125 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 6 states have call successors, (9), 3 states have call predecessors, (9), 4 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6)
[2024-12-02 11:26:21,125 INFO  L276                IsEmpty]: Start isEmpty. Operand 214 states and 396 transitions.
[2024-12-02 11:26:21,127 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2024-12-02 11:26:21,128 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:26:21,128 INFO  L218           NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1]
[2024-12-02 11:26:21,136 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-12-02 11:26:21,328 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:21,328 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:26:21,329 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:26:21,329 INFO  L85        PathProgramCache]: Analyzing trace with hash -1229352162, now seen corresponding path program 3 times
[2024-12-02 11:26:21,329 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:26:21,329 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235457802]
[2024-12-02 11:26:21,329 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 11:26:21,329 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:26:21,362 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s)
[2024-12-02 11:26:21,362 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:26:22,110 INFO  L134       CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:22,111 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:26:22,111 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235457802]
[2024-12-02 11:26:22,111 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235457802] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:26:22,111 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812542584]
[2024-12-02 11:26:22,111 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-02 11:26:22,111 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:22,111 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:26:22,113 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:26:22,115 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-12-02 11:26:22,202 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s)
[2024-12-02 11:26:22,202 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:26:22,205 INFO  L256         TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 45 conjuncts are in the unsatisfiable core
[2024-12-02 11:26:22,207 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:26:22,364 INFO  L134       CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:22,365 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:26:22,856 INFO  L134       CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:22,856 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812542584] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:26:22,856 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:26:22,856 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 49
[2024-12-02 11:26:22,856 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986262317]
[2024-12-02 11:26:22,856 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:26:22,856 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 50 states
[2024-12-02 11:26:22,857 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:26:22,857 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants.
[2024-12-02 11:26:22,858 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=645, Invalid=1805, Unknown=0, NotChecked=0, Total=2450
[2024-12-02 11:26:22,858 INFO  L87              Difference]: Start difference. First operand 214 states and 396 transitions. Second operand  has 50 states, 49 states have (on average 2.9183673469387754) internal successors, (143), 50 states have internal predecessors, (143), 24 states have call successors, (24), 24 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:24,014 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:26:24,014 INFO  L93              Difference]: Finished difference Result 419 states and 1080 transitions.
[2024-12-02 11:26:24,014 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. 
[2024-12-02 11:26:24,014 INFO  L78                 Accepts]: Start accepts. Automaton has  has 50 states, 49 states have (on average 2.9183673469387754) internal successors, (143), 50 states have internal predecessors, (143), 24 states have call successors, (24), 24 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78
[2024-12-02 11:26:24,015 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:26:24,018 INFO  L225             Difference]: With dead ends: 419
[2024-12-02 11:26:24,019 INFO  L226             Difference]: Without dead ends: 418
[2024-12-02 11:26:24,020 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1183 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1429, Invalid=3683, Unknown=0, NotChecked=0, Total=5112
[2024-12-02 11:26:24,021 INFO  L435           NwaCegarLoop]: 17 mSDtfsCounter, 422 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 11:26:24,021 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 258 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 11:26:24,022 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 418 states.
[2024-12-02 11:26:24,052 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 418.
[2024-12-02 11:26:24,052 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 418 states, 292 states have (on average 1.0787671232876712) internal successors, (315), 314 states have internal predecessors, (315), 74 states have call successors, (74), 23 states have call predecessors, (74), 51 states have return successors, (679), 80 states have call predecessors, (679), 51 states have call successors, (679)
[2024-12-02 11:26:24,056 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 1068 transitions.
[2024-12-02 11:26:24,057 INFO  L78                 Accepts]: Start accepts. Automaton has 418 states and 1068 transitions. Word has length 78
[2024-12-02 11:26:24,057 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:26:24,057 INFO  L471      AbstractCegarLoop]: Abstraction has 418 states and 1068 transitions.
[2024-12-02 11:26:24,057 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 50 states, 49 states have (on average 2.9183673469387754) internal successors, (143), 50 states have internal predecessors, (143), 24 states have call successors, (24), 24 states have call predecessors, (24), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:24,057 INFO  L276                IsEmpty]: Start isEmpty. Operand 418 states and 1068 transitions.
[2024-12-02 11:26:24,063 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 163
[2024-12-02 11:26:24,063 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:26:24,063 INFO  L218           NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1]
[2024-12-02 11:26:24,069 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-12-02 11:26:24,264 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:24,264 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:26:24,264 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:26:24,264 INFO  L85        PathProgramCache]: Analyzing trace with hash -515525282, now seen corresponding path program 4 times
[2024-12-02 11:26:24,264 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:26:24,264 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092104355]
[2024-12-02 11:26:24,264 INFO  L95    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-12-02 11:26:24,264 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:26:24,312 INFO  L229   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-12-02 11:26:24,312 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:26:26,132 INFO  L134       CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:26,132 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:26:26,132 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092104355]
[2024-12-02 11:26:26,132 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092104355] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:26:26,132 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113272612]
[2024-12-02 11:26:26,132 INFO  L95    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-12-02 11:26:26,132 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:26,132 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:26:26,134 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:26:26,135 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-12-02 11:26:26,265 INFO  L229   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-12-02 11:26:26,266 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:26:26,270 INFO  L256         TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 93 conjuncts are in the unsatisfiable core
[2024-12-02 11:26:26,273 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:26:26,514 INFO  L134       CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:26,514 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:26:28,185 INFO  L134       CoverageAnalysis]: Checked inductivity of 1705 backedges. 0 proven. 1705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:28,185 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [113272612] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:26:28,185 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:26:28,185 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 95
[2024-12-02 11:26:28,185 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010676287]
[2024-12-02 11:26:28,185 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:26:28,186 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 96 states
[2024-12-02 11:26:28,186 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:26:28,187 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants.
[2024-12-02 11:26:28,188 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=2351, Invalid=6769, Unknown=0, NotChecked=0, Total=9120
[2024-12-02 11:26:28,189 INFO  L87              Difference]: Start difference. First operand 418 states and 1068 transitions. Second operand  has 96 states, 95 states have (on average 2.957894736842105) internal successors, (281), 96 states have internal predecessors, (281), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:35,926 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:26:35,926 INFO  L93              Difference]: Finished difference Result 827 states and 3300 transitions.
[2024-12-02 11:26:35,926 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. 
[2024-12-02 11:26:35,927 INFO  L78                 Accepts]: Start accepts. Automaton has  has 96 states, 95 states have (on average 2.957894736842105) internal successors, (281), 96 states have internal predecessors, (281), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 162
[2024-12-02 11:26:35,927 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:26:35,937 INFO  L225             Difference]: With dead ends: 827
[2024-12-02 11:26:35,937 INFO  L226             Difference]: Without dead ends: 826
[2024-12-02 11:26:35,941 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 438 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4408 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=5642, Invalid=14380, Unknown=0, NotChecked=0, Total=20022
[2024-12-02 11:26:35,942 INFO  L435           NwaCegarLoop]: 16 mSDtfsCounter, 1058 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 1360 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1058 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 1682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 1360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-12-02 11:26:35,942 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [1058 Valid, 437 Invalid, 1682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 1360 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-12-02 11:26:35,943 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 826 states.
[2024-12-02 11:26:36,009 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 826.
[2024-12-02 11:26:36,012 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 826 states, 580 states have (on average 1.0810344827586207) internal successors, (627), 626 states have internal predecessors, (627), 146 states have call successors, (146), 47 states have call predecessors, (146), 99 states have return successors, (2503), 152 states have call predecessors, (2503), 99 states have call successors, (2503)
[2024-12-02 11:26:36,024 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 3276 transitions.
[2024-12-02 11:26:36,025 INFO  L78                 Accepts]: Start accepts. Automaton has 826 states and 3276 transitions. Word has length 162
[2024-12-02 11:26:36,025 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:26:36,025 INFO  L471      AbstractCegarLoop]: Abstraction has 826 states and 3276 transitions.
[2024-12-02 11:26:36,026 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 96 states, 95 states have (on average 2.957894736842105) internal successors, (281), 96 states have internal predecessors, (281), 47 states have call successors, (47), 47 states have call predecessors, (47), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:26:36,026 INFO  L276                IsEmpty]: Start isEmpty. Operand 826 states and 3276 transitions.
[2024-12-02 11:26:36,049 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 331
[2024-12-02 11:26:36,049 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:26:36,049 INFO  L218           NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1, 1]
[2024-12-02 11:26:36,066 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2024-12-02 11:26:36,250 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2024-12-02 11:26:36,250 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:26:36,250 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:26:36,251 INFO  L85        PathProgramCache]: Analyzing trace with hash 727783902, now seen corresponding path program 5 times
[2024-12-02 11:26:36,251 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:26:36,251 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044560544]
[2024-12-02 11:26:36,251 INFO  L95    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-12-02 11:26:36,251 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:26:36,517 INFO  L229   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s)
[2024-12-02 11:26:36,517 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:26:42,982 INFO  L134       CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:42,983 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:26:42,983 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044560544]
[2024-12-02 11:26:42,983 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044560544] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:26:42,983 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504514478]
[2024-12-02 11:26:42,983 INFO  L95    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-12-02 11:26:42,983 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:26:42,983 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:26:42,984 INFO  L229       MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:26:42,985 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-12-02 11:26:43,372 INFO  L229   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s)
[2024-12-02 11:26:43,372 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:26:43,380 INFO  L256         TraceCheckSpWp]: Trace formula consists of 1388 conjuncts, 189 conjuncts are in the unsatisfiable core
[2024-12-02 11:26:43,386 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:26:43,723 INFO  L134       CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:43,723 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:26:49,549 INFO  L134       CoverageAnalysis]: Checked inductivity of 7429 backedges. 0 proven. 7429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:26:49,549 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504514478] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:26:49,549 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:26:49,549 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 95, 95] total 190
[2024-12-02 11:26:49,550 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549383098]
[2024-12-02 11:26:49,550 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:26:49,550 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 191 states
[2024-12-02 11:26:49,550 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:26:49,552 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants.
[2024-12-02 11:26:49,557 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9215, Invalid=27075, Unknown=0, NotChecked=0, Total=36290
[2024-12-02 11:26:49,557 INFO  L87              Difference]: Start difference. First operand 826 states and 3276 transitions. Second operand  has 191 states, 189 states have (on average 2.9894179894179893) internal successors, (565), 191 states have internal predecessors, (565), 95 states have call successors, (95), 94 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:31:12,138 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:31:12,138 INFO  L93              Difference]: Finished difference Result 1643 states and 11196 transitions.
[2024-12-02 11:31:12,138 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. 
[2024-12-02 11:31:12,139 INFO  L78                 Accepts]: Start accepts. Automaton has  has 191 states, 189 states have (on average 2.9894179894179893) internal successors, (565), 191 states have internal predecessors, (565), 95 states have call successors, (95), 94 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 330
[2024-12-02 11:31:12,139 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:31:12,203 INFO  L225             Difference]: With dead ends: 1643
[2024-12-02 11:31:12,203 INFO  L226             Difference]: Without dead ends: 1642
[2024-12-02 11:31:12,216 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 894 GetRequests, 611 SyntacticMatches, 0 SemanticMatches, 283 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17300 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=22705, Invalid=58235, Unknown=0, NotChecked=0, Total=80940
[2024-12-02 11:31:12,217 INFO  L435           NwaCegarLoop]: 16 mSDtfsCounter, 3235 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 3916 mSolverCounterSat, 1192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3235 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 5108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1192 IncrementalHoareTripleChecker+Valid, 3916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time
[2024-12-02 11:31:12,217 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3235 Valid, 781 Invalid, 5108 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1192 Valid, 3916 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time]
[2024-12-02 11:31:12,218 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1642 states.
[2024-12-02 11:31:12,412 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1642.
[2024-12-02 11:31:12,419 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1642 states, 1156 states have (on average 1.0821799307958477) internal successors, (1251), 1250 states have internal predecessors, (1251), 290 states have call successors, (290), 95 states have call predecessors, (290), 195 states have return successors, (9607), 296 states have call predecessors, (9607), 195 states have call successors, (9607)
[2024-12-02 11:31:12,486 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 11148 transitions.
[2024-12-02 11:31:12,487 INFO  L78                 Accepts]: Start accepts. Automaton has 1642 states and 11148 transitions. Word has length 330
[2024-12-02 11:31:12,487 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:31:12,487 INFO  L471      AbstractCegarLoop]: Abstraction has 1642 states and 11148 transitions.
[2024-12-02 11:31:12,488 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 191 states, 189 states have (on average 2.9894179894179893) internal successors, (565), 191 states have internal predecessors, (565), 95 states have call successors, (95), 94 states have call predecessors, (95), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:31:12,488 INFO  L276                IsEmpty]: Start isEmpty. Operand 1642 states and 11148 transitions.
[2024-12-02 11:31:12,585 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 667
[2024-12-02 11:31:12,585 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:31:12,585 INFO  L218           NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 94, 94, 1, 1, 1, 1, 1]
[2024-12-02 11:31:12,592 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2024-12-02 11:31:12,786 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2024-12-02 11:31:12,786 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-02 11:31:12,786 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:31:12,787 INFO  L85        PathProgramCache]: Analyzing trace with hash -1251712290, now seen corresponding path program 6 times
[2024-12-02 11:31:12,787 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:31:12,787 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761325468]
[2024-12-02 11:31:12,787 INFO  L95    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-12-02 11:31:12,787 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:31:13,437 INFO  L229   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 92 check-sat command(s)
[2024-12-02 11:31:13,437 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:31:21,708 INFO  L134       CoverageAnalysis]: Checked inductivity of 30973 backedges. 17252 proven. 1016 refuted. 0 times theorem prover too weak. 12705 trivial. 0 not checked.
[2024-12-02 11:31:21,708 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:31:21,708 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761325468]
[2024-12-02 11:31:21,708 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761325468] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:31:21,708 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499497341]
[2024-12-02 11:31:21,708 INFO  L95    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-12-02 11:31:21,708 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:31:21,708 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:31:21,710 INFO  L229       MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:31:21,711 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2024-12-02 11:31:22,866 INFO  L229   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 92 check-sat command(s)
[2024-12-02 11:31:22,866 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 11:31:22,879 INFO  L256         TraceCheckSpWp]: Trace formula consists of 2693 conjuncts, 161 conjuncts are in the unsatisfiable core
[2024-12-02 11:31:22,892 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:31:24,332 INFO  L134       CoverageAnalysis]: Checked inductivity of 30973 backedges. 17114 proven. 62 refuted. 0 times theorem prover too weak. 13797 trivial. 0 not checked.
[2024-12-02 11:31:24,332 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:31:25,648 INFO  L134       CoverageAnalysis]: Checked inductivity of 30973 backedges. 17114 proven. 62 refuted. 0 times theorem prover too weak. 13797 trivial. 0 not checked.
[2024-12-02 11:31:25,648 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [499497341] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:31:25,648 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:31:25,648 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 97, 97] total 97
[2024-12-02 11:31:25,648 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957033187]
[2024-12-02 11:31:25,648 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:31:25,649 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 97 states
[2024-12-02 11:31:25,649 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:31:25,650 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants.
[2024-12-02 11:31:25,650 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=2051, Invalid=7261, Unknown=0, NotChecked=0, Total=9312
[2024-12-02 11:31:25,650 INFO  L87              Difference]: Start difference. First operand 1642 states and 11148 transitions. Second operand  has 97 states, 96 states have (on average 2.1354166666666665) internal successors, (205), 65 states have internal predecessors, (205), 34 states have call successors, (35), 34 states have call predecessors, (35), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:31:25,778 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:31:25,778 INFO  L93              Difference]: Finished difference Result 1642 states and 11148 transitions.
[2024-12-02 11:31:25,779 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 11:31:25,779 INFO  L78                 Accepts]: Start accepts. Automaton has  has 97 states, 96 states have (on average 2.1354166666666665) internal successors, (205), 65 states have internal predecessors, (205), 34 states have call successors, (35), 34 states have call predecessors, (35), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 666
[2024-12-02 11:31:25,779 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:31:25,780 INFO  L225             Difference]: With dead ends: 1642
[2024-12-02 11:31:25,780 INFO  L226             Difference]: Without dead ends: 0
[2024-12-02 11:31:25,825 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 1429 GetRequests, 1273 SyntacticMatches, 60 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6390 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=2055, Invalid=7451, Unknown=0, NotChecked=0, Total=9506
[2024-12-02 11:31:25,826 INFO  L435           NwaCegarLoop]: 5 mSDtfsCounter, 3 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:31:25,826 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 80 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:31:25,826 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 11:31:25,826 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 11:31:25,826 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 11:31:25,826 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 11:31:25,827 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 666
[2024-12-02 11:31:25,827 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:31:25,827 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 11:31:25,827 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 97 states, 96 states have (on average 2.1354166666666665) internal successors, (205), 65 states have internal predecessors, (205), 34 states have call successors, (35), 34 states have call predecessors, (35), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:31:25,828 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 11:31:25,828 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 11:31:25,830 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location applyHanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining)
[2024-12-02 11:31:25,830 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location applyHanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining)
[2024-12-02 11:31:25,830 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location applyHanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining)
[2024-12-02 11:31:25,830 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location applyHanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining)
[2024-12-02 11:31:25,830 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location applyHanoiErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining)
[2024-12-02 11:31:25,830 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location applyHanoiErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining)
[2024-12-02 11:31:25,830 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location hanoiErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining)
[2024-12-02 11:31:25,830 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location hanoiErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining)
[2024-12-02 11:31:25,830 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location hanoiErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining)
[2024-12-02 11:31:25,830 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location hanoiErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining)
[2024-12-02 11:31:25,830 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location hanoiErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining)
[2024-12-02 11:31:25,831 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location hanoiErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining)
[2024-12-02 11:31:25,839 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0
[2024-12-02 11:31:26,031 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2024-12-02 11:31:26,033 INFO  L422         BasicCegarLoop]: Path program histogram: [6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:31:26,035 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 11:32:23,203 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 11:32:23,207 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:32:23 BoogieIcfgContainer
[2024-12-02 11:32:23,207 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 11:32:23,207 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 11:32:23,207 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-12-02 11:32:23,208 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-12-02 11:32:23,208 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:26:12" (3/4) ...
[2024-12-02 11:32:23,210 INFO  L146         WitnessPrinter]: Generating witness for correct program
[2024-12-02 11:32:23,213 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure applyHanoi
[2024-12-02 11:32:23,213 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure hanoi
[2024-12-02 11:32:23,216 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2024-12-02 11:32:23,216 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-12-02 11:32:23,216 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 11:32:23,216 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 11:32:23,266 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 11:32:23,266 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 11:32:23,266 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 11:32:23,267 INFO  L158              Benchmark]: Toolchain (without parser) took 370885.75ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 117.5MB in the beginning and 627.0MB in the end (delta: -509.5MB). Peak memory consumption was 953.5MB. Max. memory is 16.1GB.
[2024-12-02 11:32:23,267 INFO  L158              Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:32:23,267 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 181.00ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 106.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 11:32:23,267 INFO  L158              Benchmark]: Boogie Procedure Inliner took 28.17ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:32:23,267 INFO  L158              Benchmark]: Boogie Preprocessor took 22.82ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:32:23,267 INFO  L158              Benchmark]: RCFGBuilder took 274.21ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 92.5MB in the end (delta: 12.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 11:32:23,268 INFO  L158              Benchmark]: TraceAbstraction took 370314.96ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 91.9MB in the beginning and 631.0MB in the end (delta: -539.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB.
[2024-12-02 11:32:23,268 INFO  L158              Benchmark]: Witness Printer took 58.61ms. Allocated memory is still 1.6GB. Free memory was 631.0MB in the beginning and 627.0MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:32:23,270 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 181.00ms. Allocated memory is still 142.6MB. Free memory was 117.5MB in the beginning and 106.7MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 28.17ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 105.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 22.82ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 104.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 274.21ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 92.5MB in the end (delta: 12.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * TraceAbstraction took 370314.96ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 91.9MB in the beginning and 631.0MB in the end (delta: -539.1MB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB.
 * Witness Printer took 58.61ms. Allocated memory is still 1.6GB. Free memory was 631.0MB in the beginning and 627.0MB in the end (delta: 4.0MB). 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: 36]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 36]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 37]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 37]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 38]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 38]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 23]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 23]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 23]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 23]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 23]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 23]: 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, 48 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 313.1s, OverallIterations: 18, TraceHistogramMax: 95, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.2s, AutomataDifference: 274.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6499 SdHoareTripleChecker+Valid, 9.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6482 mSDsluCounter, 4215 SdHoareTripleChecker+Invalid, 7.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3702 mSDsCounter, 1905 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7157 IncrementalHoareTripleChecker+Invalid, 9062 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1905 mSolverCounterUnsat, 513 mSDtfsCounter, 7157 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3709 GetRequests, 2867 SyntacticMatches, 66 SemanticMatches, 776 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29982 ImplicationChecksByTransitivity, 21.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1642occurred in iteration=17, InterpolantAutomatonStates: 474, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 18 MinimizatonAttempts, 1063 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 31.9s InterpolantComputationTime, 3196 NumberOfCodeBlocks, 3074 NumberOfCodeBlocksAsserted, 335 NumberOfCheckSat, 4664 ConstructedInterpolants, 0 QuantifiedInterpolants, 13362 SizeOfPredicates, 225 NumberOfNonLiveVariables, 6229 ConjunctsInSsa, 575 ConjunctsInUnsatCore, 42 InterpolantComputations, 7 PerfectInterpolantSequences, 92676/122726 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
    12 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 11:32:23,285 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c05eecfd-4d04-4eca-817f-76e78440d424/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