./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX --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 d6dbcbf51695ea037a123bcc006ce5f6db095b874a22b169ec869d834ce41de6
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:17:14,988 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:17:15,092 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-08 18:17:15,099 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:17:15,099 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:17:15,132 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:17:15,133 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:17:15,134 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:17:15,134 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:17:15,135 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 18:17:15,135 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:17:15,136 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:17:15,136 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:17:15,141 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 18:17:15,142 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 18:17:15,142 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:17:15,142 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:17:15,143 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-08 18:17:15,143 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 18:17:15,143 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-08 18:17:15,143 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 18:17:15,144 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:17:15,144 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:17:15,145 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:17:15,145 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 18:17:15,145 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 18:17:15,145 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-08 18:17:15,146 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-08 18:17:15,146 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-08 18:17:15,146 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 18:17:15,146 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:17:15,147 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 18:17:15,147 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:17:15,147 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 18:17:15,147 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:17:15,152 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:17:15,152 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:17:15,153 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:17:15,153 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 18:17:15,153 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:17:15,154 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:17:15,154 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:17:15,154 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:17:15,154 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:17:15,155 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
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_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX
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 -> d6dbcbf51695ea037a123bcc006ce5f6db095b874a22b169ec869d834ce41de6
[2024-11-08 18:17:15,510 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:17:15,537 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:17:15,540 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:17:15,542 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 18:17:15,543 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 18:17:15,544 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i
Unable to find full path for "g++"
[2024-11-08 18:17:17,798 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:17:18,056 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 18:17:18,056 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i
[2024-11-08 18:17:18,064 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/data/de422e7d8/28193d1c94cd48bd946f4146f3d11f43/FLAGfeb364329
[2024-11-08 18:17:18,081 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/data/de422e7d8/28193d1c94cd48bd946f4146f3d11f43
[2024-11-08 18:17:18,084 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:17:18,085 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:17:18,087 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:17:18,087 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:17:18,095 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:17:18,096 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:17:18" (1/1) ...
[2024-11-08 18:17:18,097 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23eac93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:17:18, skipping insertion in model container
[2024-11-08 18:17:18,098 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:17:18" (1/1) ...
[2024-11-08 18:17:18,119 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:17:18,319 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:17:18,328 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 18:17:18,347 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:17:18,366 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 18:17:18,367 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:17:18 WrapperNode
[2024-11-08 18:17:18,367 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:17:18,368 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:17:18,368 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:17:18,369 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:17:18,376 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:17:18" (1/1) ...
[2024-11-08 18:17:18,383 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:17:18" (1/1) ...
[2024-11-08 18:17:18,404 INFO  L138                Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 61
[2024-11-08 18:17:18,405 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:17:18,405 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:17:18,406 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:17:18,406 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:17:18,419 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:17:18" (1/1) ...
[2024-11-08 18:17:18,420 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:17:18" (1/1) ...
[2024-11-08 18:17:18,421 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:17:18" (1/1) ...
[2024-11-08 18:17:18,444 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].
[2024-11-08 18:17:18,445 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:17:18" (1/1) ...
[2024-11-08 18:17:18,445 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:17:18" (1/1) ...
[2024-11-08 18:17:18,449 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:17:18" (1/1) ...
[2024-11-08 18:17:18,453 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:17:18" (1/1) ...
[2024-11-08 18:17:18,455 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:17:18" (1/1) ...
[2024-11-08 18:17:18,456 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:17:18" (1/1) ...
[2024-11-08 18:17:18,458 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:17:18,459 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:17:18,459 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:17:18,460 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:17:18,461 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:17:18" (1/1) ...
[2024-11-08 18:17:18,470 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:17:18,486 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:17:18,504 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:17:18,508 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:17:18,552 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:17:18,553 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 18:17:18,553 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:17:18,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:17:18,554 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-08 18:17:18,554 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-08 18:17:18,633 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 18:17:18,636 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:17:18,941 INFO  L?                        ?]: Removed 33 outVars from TransFormulas that were not future-live.
[2024-11-08 18:17:18,942 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 18:17:18,958 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:17:18,959 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 18:17:18,959 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:17:18 BoogieIcfgContainer
[2024-11-08 18:17:18,959 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:17:18,962 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:17:18,963 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:17:18,966 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:17:18,967 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:17:18" (1/3) ...
[2024-11-08 18:17:18,968 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52695b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:17:18, skipping insertion in model container
[2024-11-08 18:17:18,968 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:17:18" (2/3) ...
[2024-11-08 18:17:18,968 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52695b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:17:18, skipping insertion in model container
[2024-11-08 18:17:18,969 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:17:18" (3/3) ...
[2024-11-08 18:17:18,970 INFO  L112   eAbstractionObserver]: Analyzing ICFG bh2017-ex1-poly.i
[2024-11-08 18:17:18,993 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:17:18,993 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations.
[2024-11-08 18:17:19,083 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:17:19,091 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;@2cb462b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:17:19,092 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 22 error locations.
[2024-11-08 18:17:19,096 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 69 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 60 states have internal predecessors, (65), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-08 18:17:19,106 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-08 18:17:19,106 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:17:19,107 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:17:19,108 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 18:17:19,114 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:17:19,115 INFO  L85        PathProgramCache]: Analyzing trace with hash 1805952520, now seen corresponding path program 1 times
[2024-11-08 18:17:19,127 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:17:19,128 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966730574]
[2024-11-08 18:17:19,128 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:19,129 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:17:19,291 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:19,442 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:17:19,443 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:17:19,444 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966730574]
[2024-11-08 18:17:19,445 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966730574] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:17:19,449 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:17:19,449 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:17:19,451 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625741676]
[2024-11-08 18:17:19,452 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:17:19,462 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:17:19,463 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:17:19,503 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:17:19,505 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:17:19,508 INFO  L87              Difference]: Start difference. First operand  has 69 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 60 states have internal predecessors, (65), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand  has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:17:19,800 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:17:19,801 INFO  L93              Difference]: Finished difference Result 161 states and 215 transitions.
[2024-11-08 18:17:19,804 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 18:17:19,806 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2024-11-08 18:17:19,806 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:17:19,817 INFO  L225             Difference]: With dead ends: 161
[2024-11-08 18:17:19,817 INFO  L226             Difference]: Without dead ends: 88
[2024-11-08 18:17:19,824 INFO  L431           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
[2024-11-08 18:17:19,831 INFO  L432           NwaCegarLoop]: 61 mSDtfsCounter, 18 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 18:17:19,835 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 163 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 18:17:19,865 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2024-11-08 18:17:19,905 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 74.
[2024-11-08 18:17:19,909 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 74 states, 41 states have (on average 1.6341463414634145) internal successors, (67), 63 states have internal predecessors, (67), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-11-08 18:17:19,911 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions.
[2024-11-08 18:17:19,916 INFO  L78                 Accepts]: Start accepts. Automaton has 74 states and 87 transitions. Word has length 7
[2024-11-08 18:17:19,917 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:17:19,917 INFO  L471      AbstractCegarLoop]: Abstraction has 74 states and 87 transitions.
[2024-11-08 18:17:19,917 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:17:19,918 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 87 transitions.
[2024-11-08 18:17:19,921 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-08 18:17:19,921 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:17:19,922 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:17:19,922 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:17:19,923 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 18:17:19,924 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:17:19,925 INFO  L85        PathProgramCache]: Analyzing trace with hash 353585866, now seen corresponding path program 1 times
[2024-11-08 18:17:19,925 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:17:19,926 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60136276]
[2024-11-08 18:17:19,926 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:19,926 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:17:19,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:20,029 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:17:20,029 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:17:20,029 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60136276]
[2024-11-08 18:17:20,030 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60136276] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:17:20,030 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:17:20,030 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 18:17:20,030 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577908589]
[2024-11-08 18:17:20,031 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:17:20,032 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:17:20,033 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:17:20,033 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:17:20,034 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:17:20,034 INFO  L87              Difference]: Start difference. First operand 74 states and 87 transitions. Second operand  has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:17:20,180 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:17:20,180 INFO  L93              Difference]: Finished difference Result 142 states and 168 transitions.
[2024-11-08 18:17:20,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 18:17:20,181 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-11-08 18:17:20,181 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:17:20,182 INFO  L225             Difference]: With dead ends: 142
[2024-11-08 18:17:20,209 INFO  L226             Difference]: Without dead ends: 76
[2024-11-08 18:17:20,211 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:17:20,214 INFO  L432           NwaCegarLoop]: 69 mSDtfsCounter, 3 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:17:20,215 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 110 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:17:20,217 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2024-11-08 18:17:20,231 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74.
[2024-11-08 18:17:20,235 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 74 states, 43 states have (on average 1.6046511627906976) internal successors, (69), 64 states have internal predecessors, (69), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-08 18:17:20,236 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 85 transitions.
[2024-11-08 18:17:20,237 INFO  L78                 Accepts]: Start accepts. Automaton has 74 states and 85 transitions. Word has length 9
[2024-11-08 18:17:20,237 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:17:20,237 INFO  L471      AbstractCegarLoop]: Abstraction has 74 states and 85 transitions.
[2024-11-08 18:17:20,238 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 18:17:20,238 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions.
[2024-11-08 18:17:20,239 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-11-08 18:17:20,243 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:17:20,243 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:17:20,243 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:17:20,244 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 18:17:20,244 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:17:20,244 INFO  L85        PathProgramCache]: Analyzing trace with hash -1901700389, now seen corresponding path program 1 times
[2024-11-08 18:17:20,245 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:17:20,245 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141933593]
[2024-11-08 18:17:20,245 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:20,245 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:17:20,279 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:20,473 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:17:20,478 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:20,493 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:17:20,497 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:17:20,497 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141933593]
[2024-11-08 18:17:20,497 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141933593] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:17:20,498 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:17:20,498 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:17:20,498 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806557374]
[2024-11-08 18:17:20,498 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:17:20,499 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:17:20,499 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:17:20,501 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:17:20,504 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:17:20,505 INFO  L87              Difference]: Start difference. First operand 74 states and 85 transitions. Second operand  has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 18:17:20,727 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:17:20,727 INFO  L93              Difference]: Finished difference Result 114 states and 143 transitions.
[2024-11-08 18:17:20,728 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 18:17:20,728 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16
[2024-11-08 18:17:20,729 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:17:20,730 INFO  L225             Difference]: With dead ends: 114
[2024-11-08 18:17:20,730 INFO  L226             Difference]: Without dead ends: 110
[2024-11-08 18:17:20,731 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:17:20,732 INFO  L432           NwaCegarLoop]: 47 mSDtfsCounter, 26 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 18:17:20,733 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 165 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 18:17:20,735 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 110 states.
[2024-11-08 18:17:20,746 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 93.
[2024-11-08 18:17:20,746 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 93 states, 56 states have (on average 1.5892857142857142) internal successors, (89), 77 states have internal predecessors, (89), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-08 18:17:20,748 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 117 transitions.
[2024-11-08 18:17:20,748 INFO  L78                 Accepts]: Start accepts. Automaton has 93 states and 117 transitions. Word has length 16
[2024-11-08 18:17:20,749 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:17:20,749 INFO  L471      AbstractCegarLoop]: Abstraction has 93 states and 117 transitions.
[2024-11-08 18:17:20,749 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 18:17:20,750 INFO  L276                IsEmpty]: Start isEmpty. Operand 93 states and 117 transitions.
[2024-11-08 18:17:20,750 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-11-08 18:17:20,750 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:17:20,751 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:17:20,751 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 18:17:20,751 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 18:17:20,752 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:17:20,752 INFO  L85        PathProgramCache]: Analyzing trace with hash 1176830148, now seen corresponding path program 1 times
[2024-11-08 18:17:20,752 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:17:20,753 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348748544]
[2024-11-08 18:17:20,753 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:20,753 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:17:20,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:20,862 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:17:20,865 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:20,880 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:17:20,881 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:17:20,881 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348748544]
[2024-11-08 18:17:20,881 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348748544] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:17:20,882 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:17:20,882 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:17:20,882 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157186526]
[2024-11-08 18:17:20,882 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:17:20,883 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:17:20,883 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:17:20,884 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:17:20,884 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:17:20,884 INFO  L87              Difference]: Start difference. First operand 93 states and 117 transitions. Second operand  has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 18:17:21,045 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:17:21,045 INFO  L93              Difference]: Finished difference Result 114 states and 139 transitions.
[2024-11-08 18:17:21,046 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 18:17:21,046 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17
[2024-11-08 18:17:21,047 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:17:21,048 INFO  L225             Difference]: With dead ends: 114
[2024-11-08 18:17:21,048 INFO  L226             Difference]: Without dead ends: 110
[2024-11-08 18:17:21,049 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:17:21,051 INFO  L432           NwaCegarLoop]: 50 mSDtfsCounter, 25 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:17:21,051 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 155 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:17:21,053 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 110 states.
[2024-11-08 18:17:21,064 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 94.
[2024-11-08 18:17:21,064 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 94 states, 57 states have (on average 1.5263157894736843) internal successors, (87), 78 states have internal predecessors, (87), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-08 18:17:21,066 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 115 transitions.
[2024-11-08 18:17:21,067 INFO  L78                 Accepts]: Start accepts. Automaton has 94 states and 115 transitions. Word has length 17
[2024-11-08 18:17:21,067 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:17:21,068 INFO  L471      AbstractCegarLoop]: Abstraction has 94 states and 115 transitions.
[2024-11-08 18:17:21,068 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 18:17:21,068 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions.
[2024-11-08 18:17:21,069 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-11-08 18:17:21,069 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:17:21,070 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:17:21,070 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 18:17:21,070 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 18:17:21,071 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:17:21,071 INFO  L85        PathProgramCache]: Analyzing trace with hash -1621881870, now seen corresponding path program 1 times
[2024-11-08 18:17:21,072 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:17:21,072 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808251926]
[2024-11-08 18:17:21,072 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:21,073 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:17:21,086 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:21,150 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:17:21,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:21,162 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:17:21,170 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:21,177 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 18:17:21,178 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:17:21,178 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808251926]
[2024-11-08 18:17:21,178 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808251926] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:17:21,178 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:17:21,179 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:17:21,179 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350434272]
[2024-11-08 18:17:21,179 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:17:21,180 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:17:21,182 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:17:21,183 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:17:21,183 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:17:21,183 INFO  L87              Difference]: Start difference. First operand 94 states and 115 transitions. Second operand  has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 18:17:21,305 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:17:21,306 INFO  L93              Difference]: Finished difference Result 96 states and 115 transitions.
[2024-11-08 18:17:21,306 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 18:17:21,307 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25
[2024-11-08 18:17:21,307 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:17:21,308 INFO  L225             Difference]: With dead ends: 96
[2024-11-08 18:17:21,308 INFO  L226             Difference]: Without dead ends: 92
[2024-11-08 18:17:21,309 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:17:21,310 INFO  L432           NwaCegarLoop]: 47 mSDtfsCounter, 32 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:17:21,311 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 97 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:17:21,312 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2024-11-08 18:17:21,321 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90.
[2024-11-08 18:17:21,322 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 90 states, 57 states have (on average 1.4385964912280702) internal successors, (82), 74 states have internal predecessors, (82), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-08 18:17:21,323 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 110 transitions.
[2024-11-08 18:17:21,324 INFO  L78                 Accepts]: Start accepts. Automaton has 90 states and 110 transitions. Word has length 25
[2024-11-08 18:17:21,324 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:17:21,324 INFO  L471      AbstractCegarLoop]: Abstraction has 90 states and 110 transitions.
[2024-11-08 18:17:21,325 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 18:17:21,325 INFO  L276                IsEmpty]: Start isEmpty. Operand 90 states and 110 transitions.
[2024-11-08 18:17:21,326 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-11-08 18:17:21,326 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:17:21,326 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:17:21,326 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 18:17:21,327 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 18:17:21,327 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:17:21,327 INFO  L85        PathProgramCache]: Analyzing trace with hash 1261269654, now seen corresponding path program 1 times
[2024-11-08 18:17:21,328 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:17:21,328 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181873573]
[2024-11-08 18:17:21,328 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:21,328 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:17:21,348 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:21,437 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:17:21,440 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:21,448 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:17:21,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:21,460 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-08 18:17:21,460 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:17:21,461 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181873573]
[2024-11-08 18:17:21,461 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181873573] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:17:21,461 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:17:21,461 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:17:21,461 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846993048]
[2024-11-08 18:17:21,462 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:17:21,462 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:17:21,462 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:17:21,466 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:17:21,466 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:17:21,467 INFO  L87              Difference]: Start difference. First operand 90 states and 110 transitions. Second operand  has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 18:17:21,577 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:17:21,578 INFO  L93              Difference]: Finished difference Result 168 states and 204 transitions.
[2024-11-08 18:17:21,578 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 18:17:21,579 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26
[2024-11-08 18:17:21,579 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:17:21,580 INFO  L225             Difference]: With dead ends: 168
[2024-11-08 18:17:21,580 INFO  L226             Difference]: Without dead ends: 100
[2024-11-08 18:17:21,581 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:17:21,582 INFO  L432           NwaCegarLoop]: 65 mSDtfsCounter, 14 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:17:21,583 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 143 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:17:21,584 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2024-11-08 18:17:21,594 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 88.
[2024-11-08 18:17:21,595 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 88 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 72 states have internal predecessors, (80), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-08 18:17:21,596 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 108 transitions.
[2024-11-08 18:17:21,597 INFO  L78                 Accepts]: Start accepts. Automaton has 88 states and 108 transitions. Word has length 26
[2024-11-08 18:17:21,597 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:17:21,597 INFO  L471      AbstractCegarLoop]: Abstraction has 88 states and 108 transitions.
[2024-11-08 18:17:21,598 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 18:17:21,598 INFO  L276                IsEmpty]: Start isEmpty. Operand 88 states and 108 transitions.
[2024-11-08 18:17:21,601 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2024-11-08 18:17:21,602 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:17:21,602 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 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]
[2024-11-08 18:17:21,602 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-08 18:17:21,602 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 18:17:21,603 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:17:21,603 INFO  L85        PathProgramCache]: Analyzing trace with hash -275983723, now seen corresponding path program 1 times
[2024-11-08 18:17:21,603 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:17:21,603 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810144242]
[2024-11-08 18:17:21,603 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:21,604 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:17:21,631 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:21,740 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:17:21,746 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:21,750 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:17:21,757 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:21,770 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2024-11-08 18:17:21,773 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:21,787 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2024-11-08 18:17:21,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:21,803 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-08 18:17:21,807 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:17:21,807 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810144242]
[2024-11-08 18:17:21,808 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810144242] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:17:21,808 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:17:21,808 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:17:21,824 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481340196]
[2024-11-08 18:17:21,825 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:17:21,825 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:17:21,833 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:17:21,834 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:17:21,834 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:17:21,835 INFO  L87              Difference]: Start difference. First operand 88 states and 108 transitions. Second operand  has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 18:17:21,974 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:17:21,974 INFO  L93              Difference]: Finished difference Result 90 states and 108 transitions.
[2024-11-08 18:17:21,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 18:17:21,975 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39
[2024-11-08 18:17:21,975 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:17:21,976 INFO  L225             Difference]: With dead ends: 90
[2024-11-08 18:17:21,977 INFO  L226             Difference]: Without dead ends: 85
[2024-11-08 18:17:21,977 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:17:21,978 INFO  L432           NwaCegarLoop]: 36 mSDtfsCounter, 20 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:17:21,979 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 87 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:17:21,980 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2024-11-08 18:17:22,000 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85.
[2024-11-08 18:17:22,001 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 85 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 69 states have internal predecessors, (74), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-08 18:17:22,002 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 102 transitions.
[2024-11-08 18:17:22,002 INFO  L78                 Accepts]: Start accepts. Automaton has 85 states and 102 transitions. Word has length 39
[2024-11-08 18:17:22,003 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:17:22,003 INFO  L471      AbstractCegarLoop]: Abstraction has 85 states and 102 transitions.
[2024-11-08 18:17:22,003 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 18:17:22,003 INFO  L276                IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions.
[2024-11-08 18:17:22,007 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-11-08 18:17:22,008 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:17:22,008 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 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]
[2024-11-08 18:17:22,008 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-08 18:17:22,008 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 18:17:22,009 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:17:22,009 INFO  L85        PathProgramCache]: Analyzing trace with hash 34439233, now seen corresponding path program 1 times
[2024-11-08 18:17:22,009 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:17:22,009 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128930140]
[2024-11-08 18:17:22,011 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:22,012 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:17:22,032 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:22,107 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:17:22,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:22,113 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:17:22,117 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:22,125 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2024-11-08 18:17:22,130 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:22,135 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2024-11-08 18:17:22,139 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:22,144 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-08 18:17:22,145 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:17:22,146 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128930140]
[2024-11-08 18:17:22,146 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128930140] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:17:22,146 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:17:22,147 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:17:22,147 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023817966]
[2024-11-08 18:17:22,147 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:17:22,148 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:17:22,148 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:17:22,149 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:17:22,149 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:17:22,150 INFO  L87              Difference]: Start difference. First operand 85 states and 102 transitions. Second operand  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 18:17:22,239 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:17:22,239 INFO  L93              Difference]: Finished difference Result 85 states and 102 transitions.
[2024-11-08 18:17:22,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 18:17:22,241 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40
[2024-11-08 18:17:22,242 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:17:22,243 INFO  L225             Difference]: With dead ends: 85
[2024-11-08 18:17:22,243 INFO  L226             Difference]: Without dead ends: 81
[2024-11-08 18:17:22,243 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:17:22,244 INFO  L432           NwaCegarLoop]: 38 mSDtfsCounter, 17 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:17:22,249 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 90 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:17:22,250 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2024-11-08 18:17:22,268 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78.
[2024-11-08 18:17:22,268 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 78 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 63 states have internal predecessors, (66), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13)
[2024-11-08 18:17:22,269 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 92 transitions.
[2024-11-08 18:17:22,270 INFO  L78                 Accepts]: Start accepts. Automaton has 78 states and 92 transitions. Word has length 40
[2024-11-08 18:17:22,270 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:17:22,270 INFO  L471      AbstractCegarLoop]: Abstraction has 78 states and 92 transitions.
[2024-11-08 18:17:22,271 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-08 18:17:22,271 INFO  L276                IsEmpty]: Start isEmpty. Operand 78 states and 92 transitions.
[2024-11-08 18:17:22,272 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2024-11-08 18:17:22,272 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:17:22,272 INFO  L215           NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:17:22,273 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-08 18:17:22,273 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 18:17:22,273 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:17:22,274 INFO  L85        PathProgramCache]: Analyzing trace with hash 1488757009, now seen corresponding path program 1 times
[2024-11-08 18:17:22,274 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:17:22,274 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144716201]
[2024-11-08 18:17:22,274 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:22,274 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:17:22,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:22,421 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:17:22,423 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:22,432 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:17:22,434 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:22,436 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2024-11-08 18:17:22,442 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:22,445 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2024-11-08 18:17:22,447 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:22,450 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2024-11-08 18:17:22,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:22,457 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2024-11-08 18:17:22,458 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:17:22,458 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144716201]
[2024-11-08 18:17:22,458 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144716201] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:17:22,458 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021266043]
[2024-11-08 18:17:22,458 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:22,458 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:17:22,459 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:17:22,461 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:17:22,464 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 18:17:22,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:22,542 INFO  L255         TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 18:17:22,552 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:17:22,737 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2024-11-08 18:17:22,737 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 18:17:22,954 INFO  L134       CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2024-11-08 18:17:22,955 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021266043] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 18:17:22,955 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 18:17:22,955 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13
[2024-11-08 18:17:22,956 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268327537]
[2024-11-08 18:17:22,956 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 18:17:22,956 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-08 18:17:22,956 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:17:22,958 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-08 18:17:22,959 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182
[2024-11-08 18:17:22,959 INFO  L87              Difference]: Start difference. First operand 78 states and 92 transitions. Second operand  has 14 states, 13 states have (on average 4.384615384615385) internal successors, (57), 14 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10)
[2024-11-08 18:17:23,279 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:17:23,280 INFO  L93              Difference]: Finished difference Result 165 states and 211 transitions.
[2024-11-08 18:17:23,280 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-11-08 18:17:23,281 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 13 states have (on average 4.384615384615385) internal successors, (57), 14 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 49
[2024-11-08 18:17:23,281 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:17:23,284 INFO  L225             Difference]: With dead ends: 165
[2024-11-08 18:17:23,284 INFO  L226             Difference]: Without dead ends: 164
[2024-11-08 18:17:23,285 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182
[2024-11-08 18:17:23,285 INFO  L432           NwaCegarLoop]: 35 mSDtfsCounter, 92 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-08 18:17:23,288 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 195 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-08 18:17:23,289 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 164 states.
[2024-11-08 18:17:23,304 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 126.
[2024-11-08 18:17:23,305 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 126 states, 90 states have (on average 1.1666666666666667) internal successors, (105), 99 states have internal predecessors, (105), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25)
[2024-11-08 18:17:23,306 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 155 transitions.
[2024-11-08 18:17:23,307 INFO  L78                 Accepts]: Start accepts. Automaton has 126 states and 155 transitions. Word has length 49
[2024-11-08 18:17:23,307 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:17:23,307 INFO  L471      AbstractCegarLoop]: Abstraction has 126 states and 155 transitions.
[2024-11-08 18:17:23,308 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 13 states have (on average 4.384615384615385) internal successors, (57), 14 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10)
[2024-11-08 18:17:23,308 INFO  L276                IsEmpty]: Start isEmpty. Operand 126 states and 155 transitions.
[2024-11-08 18:17:23,309 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2024-11-08 18:17:23,309 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:17:23,309 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:17:23,335 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-08 18:17:23,510 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:17:23,510 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 18:17:23,511 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:17:23,511 INFO  L85        PathProgramCache]: Analyzing trace with hash -1824466711, now seen corresponding path program 1 times
[2024-11-08 18:17:23,511 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:17:23,511 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556637163]
[2024-11-08 18:17:23,511 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:23,512 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:17:23,532 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:23,583 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:17:23,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:23,587 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:17:23,589 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:23,592 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2024-11-08 18:17:23,593 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:23,595 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2024-11-08 18:17:23,596 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:23,598 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2024-11-08 18:17:23,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:23,604 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:17:23,607 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:23,610 INFO  L134       CoverageAnalysis]: Checked inductivity of 74 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked.
[2024-11-08 18:17:23,612 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:17:23,612 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556637163]
[2024-11-08 18:17:23,612 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556637163] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:17:23,612 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:17:23,613 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:17:23,613 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790207717]
[2024-11-08 18:17:23,613 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:17:23,614 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:17:23,614 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:17:23,614 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:17:23,615 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:17:23,615 INFO  L87              Difference]: Start difference. First operand 126 states and 155 transitions. Second operand  has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-08 18:17:23,706 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:17:23,707 INFO  L93              Difference]: Finished difference Result 126 states and 155 transitions.
[2024-11-08 18:17:23,707 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 18:17:23,708 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 58
[2024-11-08 18:17:23,708 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:17:23,709 INFO  L225             Difference]: With dead ends: 126
[2024-11-08 18:17:23,709 INFO  L226             Difference]: Without dead ends: 123
[2024-11-08 18:17:23,710 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:17:23,711 INFO  L432           NwaCegarLoop]: 36 mSDtfsCounter, 16 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:17:23,711 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 72 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:17:23,712 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 123 states.
[2024-11-08 18:17:23,737 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123.
[2024-11-08 18:17:23,737 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 123 states, 90 states have (on average 1.1111111111111112) internal successors, (100), 96 states have internal predecessors, (100), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25)
[2024-11-08 18:17:23,738 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 150 transitions.
[2024-11-08 18:17:23,739 INFO  L78                 Accepts]: Start accepts. Automaton has 123 states and 150 transitions. Word has length 58
[2024-11-08 18:17:23,739 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:17:23,739 INFO  L471      AbstractCegarLoop]: Abstraction has 123 states and 150 transitions.
[2024-11-08 18:17:23,739 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6)
[2024-11-08 18:17:23,740 INFO  L276                IsEmpty]: Start isEmpty. Operand 123 states and 150 transitions.
[2024-11-08 18:17:23,745 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2024-11-08 18:17:23,746 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:17:23,746 INFO  L215           NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-08 18:17:23,746 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-08 18:17:23,746 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 18:17:23,751 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:17:23,751 INFO  L85        PathProgramCache]: Analyzing trace with hash -1682896424, now seen corresponding path program 1 times
[2024-11-08 18:17:23,751 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:17:23,751 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818037353]
[2024-11-08 18:17:23,752 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:23,752 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:17:23,786 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:24,151 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:17:24,152 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:24,155 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:17:24,158 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:24,160 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2024-11-08 18:17:24,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:24,164 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2024-11-08 18:17:24,167 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:24,170 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2024-11-08 18:17:24,171 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:24,174 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:17:24,176 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:24,178 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58
[2024-11-08 18:17:24,180 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:24,182 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2024-11-08 18:17:24,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:24,188 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-08 18:17:24,190 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:24,193 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 18:17:24,195 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:24,198 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 18:17:24,200 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:24,204 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-08 18:17:24,205 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:24,209 INFO  L134       CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-08 18:17:24,209 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:17:24,209 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818037353]
[2024-11-08 18:17:24,209 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818037353] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:17:24,209 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284178437]
[2024-11-08 18:17:24,210 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:24,210 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:17:24,210 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:17:24,212 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:17:24,213 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 18:17:24,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:24,289 INFO  L255         TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-08 18:17:24,294 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:17:24,792 INFO  L134       CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-08 18:17:24,793 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 18:17:25,765 INFO  L134       CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-08 18:17:25,766 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284178437] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 18:17:25,766 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 18:17:25,766 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 27
[2024-11-08 18:17:25,767 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076157741]
[2024-11-08 18:17:25,767 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 18:17:25,768 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2024-11-08 18:17:25,770 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:17:25,771 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2024-11-08 18:17:25,771 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=570, Unknown=0, NotChecked=0, Total=756
[2024-11-08 18:17:25,772 INFO  L87              Difference]: Start difference. First operand 123 states and 150 transitions. Second operand  has 28 states, 27 states have (on average 4.2592592592592595) internal successors, (115), 28 states have internal predecessors, (115), 9 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 9 states have call predecessors, (36), 9 states have call successors, (36)
[2024-11-08 18:17:26,533 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:17:26,533 INFO  L93              Difference]: Finished difference Result 123 states and 150 transitions.
[2024-11-08 18:17:26,533 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-11-08 18:17:26,534 INFO  L78                 Accepts]: Start accepts. Automaton has  has 28 states, 27 states have (on average 4.2592592592592595) internal successors, (115), 28 states have internal predecessors, (115), 9 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 9 states have call predecessors, (36), 9 states have call successors, (36) Word has length 98
[2024-11-08 18:17:26,534 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:17:26,535 INFO  L225             Difference]: With dead ends: 123
[2024-11-08 18:17:26,536 INFO  L226             Difference]: Without dead ends: 119
[2024-11-08 18:17:26,536 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=239, Invalid=753, Unknown=0, NotChecked=0, Total=992
[2024-11-08 18:17:26,537 INFO  L432           NwaCegarLoop]: 37 mSDtfsCounter, 28 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-08 18:17:26,538 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 233 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-08 18:17:26,539 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 119 states.
[2024-11-08 18:17:26,552 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119.
[2024-11-08 18:17:26,552 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 119 states, 90 states have (on average 1.0666666666666667) internal successors, (96), 92 states have internal predecessors, (96), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25)
[2024-11-08 18:17:26,554 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 146 transitions.
[2024-11-08 18:17:26,554 INFO  L78                 Accepts]: Start accepts. Automaton has 119 states and 146 transitions. Word has length 98
[2024-11-08 18:17:26,555 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:17:26,555 INFO  L471      AbstractCegarLoop]: Abstraction has 119 states and 146 transitions.
[2024-11-08 18:17:26,555 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 28 states, 27 states have (on average 4.2592592592592595) internal successors, (115), 28 states have internal predecessors, (115), 9 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 9 states have call predecessors, (36), 9 states have call successors, (36)
[2024-11-08 18:17:26,555 INFO  L276                IsEmpty]: Start isEmpty. Operand 119 states and 146 transitions.
[2024-11-08 18:17:26,557 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 100
[2024-11-08 18:17:26,557 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:17:26,557 INFO  L215           NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-08 18:17:26,583 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 18:17:26,762 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2024-11-08 18:17:26,762 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 18:17:26,763 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:17:26,763 INFO  L85        PathProgramCache]: Analyzing trace with hash -630181491, now seen corresponding path program 1 times
[2024-11-08 18:17:26,763 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:17:26,763 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985148571]
[2024-11-08 18:17:26,763 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:26,763 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:17:26,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:27,030 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:17:27,032 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:27,034 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:17:27,036 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:27,038 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2024-11-08 18:17:27,040 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:27,043 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2024-11-08 18:17:27,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:27,047 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2024-11-08 18:17:27,049 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:27,051 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:17:27,053 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:27,056 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58
[2024-11-08 18:17:27,057 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:27,060 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2024-11-08 18:17:27,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:27,064 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-08 18:17:27,067 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:27,070 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 18:17:27,073 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:27,076 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 18:17:27,079 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:27,083 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-08 18:17:27,085 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:27,088 INFO  L134       CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-08 18:17:27,089 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:17:27,089 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985148571]
[2024-11-08 18:17:27,089 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985148571] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:17:27,089 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314013439]
[2024-11-08 18:17:27,089 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:27,090 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:17:27,090 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:17:27,092 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:17:27,094 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 18:17:27,177 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:27,178 INFO  L255         TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-08 18:17:27,182 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:17:27,561 INFO  L134       CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-08 18:17:27,562 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 18:17:28,343 INFO  L134       CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-08 18:17:28,343 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [314013439] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 18:17:28,343 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 18:17:28,344 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 26
[2024-11-08 18:17:28,344 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409355948]
[2024-11-08 18:17:28,344 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 18:17:28,345 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2024-11-08 18:17:28,345 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:17:28,346 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2024-11-08 18:17:28,347 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=511, Unknown=0, NotChecked=0, Total=702
[2024-11-08 18:17:28,347 INFO  L87              Difference]: Start difference. First operand 119 states and 146 transitions. Second operand  has 27 states, 26 states have (on average 4.538461538461538) internal successors, (118), 27 states have internal predecessors, (118), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36)
[2024-11-08 18:17:29,174 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:17:29,175 INFO  L93              Difference]: Finished difference Result 220 states and 271 transitions.
[2024-11-08 18:17:29,176 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-11-08 18:17:29,176 INFO  L78                 Accepts]: Start accepts. Automaton has  has 27 states, 26 states have (on average 4.538461538461538) internal successors, (118), 27 states have internal predecessors, (118), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 99
[2024-11-08 18:17:29,177 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:17:29,178 INFO  L225             Difference]: With dead ends: 220
[2024-11-08 18:17:29,178 INFO  L226             Difference]: Without dead ends: 138
[2024-11-08 18:17:29,179 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=292, Invalid=898, Unknown=0, NotChecked=0, Total=1190
[2024-11-08 18:17:29,180 INFO  L432           NwaCegarLoop]: 29 mSDtfsCounter, 66 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-08 18:17:29,181 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 157 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-08 18:17:29,182 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 138 states.
[2024-11-08 18:17:29,197 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 118.
[2024-11-08 18:17:29,197 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 118 states, 90 states have (on average 1.0333333333333334) internal successors, (93), 91 states have internal predecessors, (93), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25)
[2024-11-08 18:17:29,199 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 143 transitions.
[2024-11-08 18:17:29,199 INFO  L78                 Accepts]: Start accepts. Automaton has 118 states and 143 transitions. Word has length 99
[2024-11-08 18:17:29,200 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:17:29,200 INFO  L471      AbstractCegarLoop]: Abstraction has 118 states and 143 transitions.
[2024-11-08 18:17:29,200 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 26 states have (on average 4.538461538461538) internal successors, (118), 27 states have internal predecessors, (118), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36)
[2024-11-08 18:17:29,201 INFO  L276                IsEmpty]: Start isEmpty. Operand 118 states and 143 transitions.
[2024-11-08 18:17:29,203 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2024-11-08 18:17:29,204 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:17:29,204 INFO  L215           NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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]
[2024-11-08 18:17:29,235 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-08 18:17:29,404 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-11-08 18:17:29,405 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 18:17:29,405 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:17:29,405 INFO  L85        PathProgramCache]: Analyzing trace with hash -867122607, now seen corresponding path program 1 times
[2024-11-08 18:17:29,406 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:17:29,406 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319109978]
[2024-11-08 18:17:29,406 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:29,406 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:17:29,444 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,598 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:17:29,598 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,600 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:17:29,601 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,602 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2024-11-08 18:17:29,603 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,604 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2024-11-08 18:17:29,605 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,606 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2024-11-08 18:17:29,607 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,609 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:17:29,609 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,611 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58
[2024-11-08 18:17:29,611 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,613 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2024-11-08 18:17:29,614 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,615 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-08 18:17:29,616 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,617 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 18:17:29,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,619 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 18:17:29,620 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,621 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-08 18:17:29,622 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,623 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-08 18:17:29,624 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,626 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2024-11-08 18:17:29,628 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,630 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2024-11-08 18:17:29,631 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,633 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2024-11-08 18:17:29,635 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,637 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2024-11-08 18:17:29,638 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,640 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2024-11-08 18:17:29,642 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,644 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157
[2024-11-08 18:17:29,645 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,648 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162
[2024-11-08 18:17:29,649 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,652 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173
[2024-11-08 18:17:29,653 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,655 INFO  L134       CoverageAnalysis]: Checked inductivity of 979 backedges. 112 proven. 7 refuted. 0 times theorem prover too weak. 860 trivial. 0 not checked.
[2024-11-08 18:17:29,656 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:17:29,656 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319109978]
[2024-11-08 18:17:29,656 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319109978] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:17:29,656 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133981535]
[2024-11-08 18:17:29,656 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:29,657 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:17:29,657 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:17:29,659 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:17:29,662 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-08 18:17:29,756 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:29,758 INFO  L255         TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-08 18:17:29,766 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:17:29,854 INFO  L134       CoverageAnalysis]: Checked inductivity of 979 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked.
[2024-11-08 18:17:29,855 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 18:17:29,855 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [133981535] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:17:29,855 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 18:17:29,855 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6
[2024-11-08 18:17:29,856 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999801874]
[2024-11-08 18:17:29,856 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:17:29,856 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:17:29,857 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:17:29,857 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:17:29,858 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:17:29,858 INFO  L87              Difference]: Start difference. First operand 118 states and 143 transitions. Second operand  has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17)
[2024-11-08 18:17:29,939 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:17:29,940 INFO  L93              Difference]: Finished difference Result 174 states and 211 transitions.
[2024-11-08 18:17:29,940 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 18:17:29,941 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 180
[2024-11-08 18:17:29,941 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:17:29,942 INFO  L225             Difference]: With dead ends: 174
[2024-11-08 18:17:29,943 INFO  L226             Difference]: Without dead ends: 109
[2024-11-08 18:17:29,943 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:17:29,944 INFO  L432           NwaCegarLoop]: 47 mSDtfsCounter, 12 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:17:29,945 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 91 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:17:29,945 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2024-11-08 18:17:29,959 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109.
[2024-11-08 18:17:29,960 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 109 states, 83 states have (on average 1.0120481927710843) internal successors, (84), 83 states have internal predecessors, (84), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24)
[2024-11-08 18:17:29,961 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 132 transitions.
[2024-11-08 18:17:29,961 INFO  L78                 Accepts]: Start accepts. Automaton has 109 states and 132 transitions. Word has length 180
[2024-11-08 18:17:29,962 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:17:29,962 INFO  L471      AbstractCegarLoop]: Abstraction has 109 states and 132 transitions.
[2024-11-08 18:17:29,963 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17)
[2024-11-08 18:17:29,963 INFO  L276                IsEmpty]: Start isEmpty. Operand 109 states and 132 transitions.
[2024-11-08 18:17:29,965 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 201
[2024-11-08 18:17:29,965 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:17:29,966 INFO  L215           NwaCegarLoop]: trace histogram [24, 24, 24, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1]
[2024-11-08 18:17:29,991 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-08 18:17:30,166 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2024-11-08 18:17:30,167 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] ===
[2024-11-08 18:17:30,167 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:17:30,167 INFO  L85        PathProgramCache]: Analyzing trace with hash -806220638, now seen corresponding path program 1 times
[2024-11-08 18:17:30,167 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:17:30,168 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884510671]
[2024-11-08 18:17:30,168 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:30,168 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:17:30,198 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:30,977 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:17:30,978 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:30,980 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17
[2024-11-08 18:17:30,981 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:30,983 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2024-11-08 18:17:30,985 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:30,987 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31
[2024-11-08 18:17:30,988 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:30,991 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42
[2024-11-08 18:17:30,992 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:30,995 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:17:30,996 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:30,998 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58
[2024-11-08 18:17:31,000 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,002 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63
[2024-11-08 18:17:31,003 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,006 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2024-11-08 18:17:31,007 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,009 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 18:17:31,011 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,013 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85
[2024-11-08 18:17:31,014 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,017 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90
[2024-11-08 18:17:31,018 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,020 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-08 18:17:31,021 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,023 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116
[2024-11-08 18:17:31,025 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,027 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125
[2024-11-08 18:17:31,028 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,030 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130
[2024-11-08 18:17:31,032 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,034 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141
[2024-11-08 18:17:31,035 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,037 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148
[2024-11-08 18:17:31,038 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,040 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157
[2024-11-08 18:17:31,042 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,044 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162
[2024-11-08 18:17:31,045 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,047 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168
[2024-11-08 18:17:31,049 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,051 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175
[2024-11-08 18:17:31,053 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,055 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184
[2024-11-08 18:17:31,057 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,059 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189
[2024-11-08 18:17:31,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,064 INFO  L134       CoverageAnalysis]: Checked inductivity of 1227 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 1115 trivial. 0 not checked.
[2024-11-08 18:17:31,065 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:17:31,065 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884510671]
[2024-11-08 18:17:31,065 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884510671] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 18:17:31,065 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291946011]
[2024-11-08 18:17:31,066 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:17:31,066 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 18:17:31,066 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:17:31,068 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 18:17:31,076 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-08 18:17:31,170 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:17:31,172 INFO  L255         TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-11-08 18:17:31,178 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 18:17:31,840 INFO  L134       CoverageAnalysis]: Checked inductivity of 1227 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-08 18:17:31,840 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 18:17:33,731 INFO  L134       CoverageAnalysis]: Checked inductivity of 1227 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked.
[2024-11-08 18:17:33,731 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [291946011] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 18:17:33,732 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 18:17:33,732 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 17] total 45
[2024-11-08 18:17:33,732 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927604971]
[2024-11-08 18:17:33,732 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 18:17:33,733 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 46 states
[2024-11-08 18:17:33,734 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:17:33,735 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants.
[2024-11-08 18:17:33,737 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=516, Invalid=1554, Unknown=0, NotChecked=0, Total=2070
[2024-11-08 18:17:33,738 INFO  L87              Difference]: Start difference. First operand 109 states and 132 transitions. Second operand  has 46 states, 45 states have (on average 5.2) internal successors, (234), 46 states have internal predecessors, (234), 14 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 14 states have call predecessors, (68), 14 states have call successors, (68)
[2024-11-08 18:17:34,825 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:17:34,826 INFO  L93              Difference]: Finished difference Result 180 states and 220 transitions.
[2024-11-08 18:17:34,826 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. 
[2024-11-08 18:17:34,828 INFO  L78                 Accepts]: Start accepts. Automaton has  has 46 states, 45 states have (on average 5.2) internal successors, (234), 46 states have internal predecessors, (234), 14 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 14 states have call predecessors, (68), 14 states have call successors, (68) Word has length 200
[2024-11-08 18:17:34,828 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:17:34,829 INFO  L225             Difference]: With dead ends: 180
[2024-11-08 18:17:34,829 INFO  L226             Difference]: Without dead ends: 0
[2024-11-08 18:17:34,831 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 419 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1277 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=659, Invalid=2203, Unknown=0, NotChecked=0, Total=2862
[2024-11-08 18:17:34,832 INFO  L432           NwaCegarLoop]: 29 mSDtfsCounter, 67 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-08 18:17:34,832 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 125 Invalid, 749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 699 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-08 18:17:34,833 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-08 18:17:34,833 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-08 18:17:34,834 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)
[2024-11-08 18:17:34,834 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-08 18:17:34,834 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 200
[2024-11-08 18:17:34,835 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:17:34,835 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 18:17:34,835 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 46 states, 45 states have (on average 5.2) internal successors, (234), 46 states have internal predecessors, (234), 14 states have call successors, (68), 1 states have call predecessors, (68), 1 states have return successors, (68), 14 states have call predecessors, (68), 14 states have call successors, (68)
[2024-11-08 18:17:34,836 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-08 18:17:34,836 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-08 18:17:34,840 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining)
[2024-11-08 18:17:34,841 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining)
[2024-11-08 18:17:34,841 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining)
[2024-11-08 18:17:34,842 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining)
[2024-11-08 18:17:34,842 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining)
[2024-11-08 18:17:34,842 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining)
[2024-11-08 18:17:34,843 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining)
[2024-11-08 18:17:34,843 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining)
[2024-11-08 18:17:34,843 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining)
[2024-11-08 18:17:34,844 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining)
[2024-11-08 18:17:34,844 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining)
[2024-11-08 18:17:34,844 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining)
[2024-11-08 18:17:34,844 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining)
[2024-11-08 18:17:34,844 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining)
[2024-11-08 18:17:34,844 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining)
[2024-11-08 18:17:34,845 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining)
[2024-11-08 18:17:34,845 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining)
[2024-11-08 18:17:34,845 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining)
[2024-11-08 18:17:34,846 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining)
[2024-11-08 18:17:34,846 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining)
[2024-11-08 18:17:34,846 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining)
[2024-11-08 18:17:34,847 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining)
[2024-11-08 18:17:34,872 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-08 18:17:35,051 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-11-08 18:17:35,054 INFO  L407         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:17:35,057 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-08 18:17:35,822 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 18:17:35,856 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:17:35 BoogieIcfgContainer
[2024-11-08 18:17:35,857 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 18:17:35,857 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 18:17:35,857 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-08 18:17:35,858 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-08 18:17:35,858 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:17:18" (3/4) ...
[2024-11-08 18:17:35,862 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-08 18:17:35,867 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert
[2024-11-08 18:17:35,873 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-11-08 18:17:35,873 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-08 18:17:35,874 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-08 18:17:35,874 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 18:17:36,005 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 18:17:36,005 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 18:17:36,006 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 18:17:36,006 INFO  L158              Benchmark]: Toolchain (without parser) took 17921.15ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 126.5MB in the beginning and 154.9MB in the end (delta: -28.3MB). Peak memory consumption was 114.1MB. Max. memory is 16.1GB.
[2024-11-08 18:17:36,007 INFO  L158              Benchmark]: CDTParser took 0.38ms. Allocated memory is still 107.0MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:17:36,007 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 280.61ms. Allocated memory is still 157.3MB. Free memory was 126.3MB in the beginning and 113.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 18:17:36,007 INFO  L158              Benchmark]: Boogie Procedure Inliner took 36.58ms. Allocated memory is still 157.3MB. Free memory was 113.8MB in the beginning and 112.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:17:36,008 INFO  L158              Benchmark]: Boogie Preprocessor took 52.86ms. Allocated memory is still 157.3MB. Free memory was 112.5MB in the beginning and 110.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:17:36,009 INFO  L158              Benchmark]: RCFGBuilder took 500.22ms. Allocated memory is still 157.3MB. Free memory was 110.4MB in the beginning and 96.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-11-08 18:17:36,009 INFO  L158              Benchmark]: TraceAbstraction took 16894.35ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 95.5MB in the beginning and 50.4MB in the end (delta: 45.1MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB.
[2024-11-08 18:17:36,010 INFO  L158              Benchmark]: Witness Printer took 148.43ms. Allocated memory is still 188.7MB. Free memory was 50.4MB in the beginning and 154.9MB in the end (delta: -104.5MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB.
[2024-11-08 18:17:36,012 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.38ms. Allocated memory is still 107.0MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 280.61ms. Allocated memory is still 157.3MB. Free memory was 126.3MB in the beginning and 113.8MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 36.58ms. Allocated memory is still 157.3MB. Free memory was 113.8MB in the beginning and 112.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 52.86ms. Allocated memory is still 157.3MB. Free memory was 112.5MB in the beginning and 110.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 500.22ms. Allocated memory is still 157.3MB. Free memory was 110.4MB in the beginning and 96.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * TraceAbstraction took 16894.35ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 95.5MB in the beginning and 50.4MB in the end (delta: 45.1MB). Peak memory consumption was 79.1MB. Max. memory is 16.1GB.
 * Witness Printer took 148.43ms. Allocated memory is still 188.7MB. Free memory was 50.4MB in the beginning and 154.9MB in the end (delta: -104.5MB). Peak memory consumption was 3.5MB. 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: 19]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 19]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 20]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 20]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 22]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 22]: 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: 27]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 27]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 28]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 28]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 28]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 28]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 30]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 30]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 30]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 30]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 30]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 30]: 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 2 procedures, 69 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 16.0s, OverallIterations: 14, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 504 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 436 mSDsluCounter, 1883 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1257 mSDsCounter, 150 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2860 IncrementalHoareTripleChecker+Invalid, 3010 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 150 mSolverCounterUnsat, 626 mSDtfsCounter, 2860 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1348 GetRequests, 1196 SyntacticMatches, 2 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2019 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126occurred in iteration=9, InterpolantAutomatonStates: 112, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 124 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 1489 NumberOfCodeBlocks, 1489 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1912 ConstructedInterpolants, 0 QuantifiedInterpolants, 7606 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1115 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 23 InterpolantComputations, 10 PerfectInterpolantSequences, 7115/7615 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
  - AllSpecificationsHoldResult: All specifications hold
    22 specifications checked. All of them hold
  - InvariantResult [Line: 16]: Loop Invariant
    Derived loop invariant: ((i == 0) || ((1 <= i) && (i <= 2147483646)))
  - InvariantResult [Line: 18]: Loop Invariant
    Derived loop invariant: ((((((2 == j) && (i == 1)) || (((2 == j) && (2 <= i)) && (i <= 1073741822))) || ((i == 0) && (j == 0))) || (((1 <= i) && (i <= 3)) && (j == 0))) || (((j == 4) && (2 <= i)) && (i <= 1073741823)))
RESULT: Ultimate proved your program to be correct!
[2024-11-08 18:17:36,062 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_34813b9f-25a2-4e17-bcd6-d8ab13edbdb9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

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