./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans.i --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/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_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/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_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/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 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:52:17,441 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:52:17,554 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-08 16:52:17,559 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:52:17,560 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:52:17,609 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:52:17,610 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:52:17,610 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:52:17,611 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 16:52:17,614 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 16:52:17,614 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:52:17,615 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:52:17,616 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:52:17,616 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 16:52:17,617 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 16:52:17,617 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:52:17,621 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:52:17,622 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-08 16:52:17,622 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 16:52:17,623 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-08 16:52:17,623 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 16:52:17,624 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:52:17,624 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:52:17,625 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:52:17,625 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 16:52:17,625 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 16:52:17,626 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-08 16:52:17,626 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-08 16:52:17,626 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-08 16:52:17,627 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 16:52:17,627 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:52:17,632 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 16:52:17,632 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 16:52:17,633 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 16:52:17,635 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:52:17,636 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:52:17,636 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:52:17,636 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:52:17,637 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 16:52:17,639 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 16:52:17,639 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:52:17,640 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:52:17,640 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:52:17,640 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:52:17,641 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_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/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_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/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 -> 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32
[2024-11-08 16:52:17,955 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:52:17,993 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:52:17,997 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:52:17,998 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 16:52:17,999 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 16:52:18,000 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/loop-invgen/id_trans.i
Unable to find full path for "g++"
[2024-11-08 16:52:20,314 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:52:20,558 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 16:52:20,558 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/sv-benchmarks/c/loop-invgen/id_trans.i
[2024-11-08 16:52:20,568 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/data/af523e819/0411987d517040f0b6cf45a719f78d5b/FLAG028467a52
[2024-11-08 16:52:20,918 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/data/af523e819/0411987d517040f0b6cf45a719f78d5b
[2024-11-08 16:52:20,922 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:52:20,925 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:52:20,927 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:52:20,928 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:52:20,935 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:52:20,936 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:52:20" (1/1) ...
[2024-11-08 16:52:20,939 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d66641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:20, skipping insertion in model container
[2024-11-08 16:52:20,939 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:52:20" (1/1) ...
[2024-11-08 16:52:20,965 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:52:21,230 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:52:21,241 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 16:52:21,261 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:52:21,285 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 16:52:21,286 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:21 WrapperNode
[2024-11-08 16:52:21,286 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:52:21,287 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:52:21,288 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:52:21,288 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:52:21,296 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:21" (1/1) ...
[2024-11-08 16:52:21,305 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:21" (1/1) ...
[2024-11-08 16:52:21,331 INFO  L138                Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59
[2024-11-08 16:52:21,331 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:52:21,332 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:52:21,332 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:52:21,333 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:52:21,347 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:21" (1/1) ...
[2024-11-08 16:52:21,348 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:21" (1/1) ...
[2024-11-08 16:52:21,350 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:21" (1/1) ...
[2024-11-08 16:52:21,365 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 16:52:21,366 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:21" (1/1) ...
[2024-11-08 16:52:21,366 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:21" (1/1) ...
[2024-11-08 16:52:21,371 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:21" (1/1) ...
[2024-11-08 16:52:21,375 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:21" (1/1) ...
[2024-11-08 16:52:21,376 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:21" (1/1) ...
[2024-11-08 16:52:21,377 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:21" (1/1) ...
[2024-11-08 16:52:21,379 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:52:21,381 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:52:21,381 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:52:21,381 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:52:21,384 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:21" (1/1) ...
[2024-11-08 16:52:21,390 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:52:21,405 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:52:21,422 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:52:21,431 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:52:21,469 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:52:21,469 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 16:52:21,469 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:52:21,469 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:52:21,470 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-08 16:52:21,470 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-08 16:52:21,534 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 16:52:21,535 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:52:21,776 INFO  L?                        ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-11-08 16:52:21,776 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 16:52:21,792 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:52:21,793 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 16:52:21,793 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:52:21 BoogieIcfgContainer
[2024-11-08 16:52:21,794 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:52:21,798 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:52:21,798 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:52:21,802 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:52:21,803 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:52:20" (1/3) ...
[2024-11-08 16:52:21,804 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e10def0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:52:21, skipping insertion in model container
[2024-11-08 16:52:21,804 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:52:21" (2/3) ...
[2024-11-08 16:52:21,804 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e10def0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:52:21, skipping insertion in model container
[2024-11-08 16:52:21,805 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:52:21" (3/3) ...
[2024-11-08 16:52:21,806 INFO  L112   eAbstractionObserver]: Analyzing ICFG id_trans.i
[2024-11-08 16:52:21,830 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:52:21,830 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations.
[2024-11-08 16:52:21,904 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:52:21,913 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;@64f1a322, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:52:21,914 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2024-11-08 16:52:21,919 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 40 states, 24 states have (on average 1.625) internal successors, (39), 34 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-08 16:52:21,931 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2024-11-08 16:52:21,931 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 16:52:21,936 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1]
[2024-11-08 16:52:21,937 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 16:52:21,944 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:52:21,945 INFO  L85        PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times
[2024-11-08 16:52:21,958 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:52:21,958 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573915678]
[2024-11-08 16:52:21,959 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:52:21,960 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:52:22,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:22,303 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 16:52:22,304 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:52:22,304 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573915678]
[2024-11-08 16:52:22,305 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573915678] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:52:22,306 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:52:22,306 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:52:22,308 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520269819]
[2024-11-08 16:52:22,309 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:52:22,314 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:52:22,315 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:52:22,344 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:52:22,345 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:52:22,347 INFO  L87              Difference]: Start difference. First operand  has 40 states, 24 states have (on average 1.625) internal successors, (39), 34 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:52:22,460 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:52:22,460 INFO  L93              Difference]: Finished difference Result 71 states and 89 transitions.
[2024-11-08 16:52:22,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 16:52:22,464 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3
[2024-11-08 16:52:22,465 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:52:22,471 INFO  L225             Difference]: With dead ends: 71
[2024-11-08 16:52:22,471 INFO  L226             Difference]: Without dead ends: 31
[2024-11-08 16:52:22,475 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 16:52:22,479 INFO  L432           NwaCegarLoop]: 31 mSDtfsCounter, 19 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 16:52:22,481 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 43 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 16:52:22,501 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2024-11-08 16:52:22,524 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31.
[2024-11-08 16:52:22,526 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 31 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 25 states have internal predecessors, (26), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-08 16:52:22,531 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions.
[2024-11-08 16:52:22,533 INFO  L78                 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 3
[2024-11-08 16:52:22,533 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:52:22,534 INFO  L471      AbstractCegarLoop]: Abstraction has 31 states and 34 transitions.
[2024-11-08 16:52:22,534 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:52:22,534 INFO  L276                IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions.
[2024-11-08 16:52:22,535 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-11-08 16:52:22,535 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 16:52:22,535 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-11-08 16:52:22,535 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 16:52:22,536 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 16:52:22,537 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:52:22,537 INFO  L85        PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times
[2024-11-08 16:52:22,537 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:52:22,538 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634574391]
[2024-11-08 16:52:22,538 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:52:22,538 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:52:22,557 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:22,755 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 16:52:22,755 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:52:22,756 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634574391]
[2024-11-08 16:52:22,757 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634574391] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:52:22,757 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:52:22,758 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 16:52:22,758 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204797390]
[2024-11-08 16:52:22,759 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:52:22,760 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:52:22,761 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:52:22,764 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:52:22,765 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:52:22,765 INFO  L87              Difference]: Start difference. First operand 31 states and 34 transitions. Second operand  has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 16:52:22,802 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:52:22,802 INFO  L93              Difference]: Finished difference Result 31 states and 34 transitions.
[2024-11-08 16:52:22,803 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 16:52:22,803 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 4
[2024-11-08 16:52:22,804 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:52:22,804 INFO  L225             Difference]: With dead ends: 31
[2024-11-08 16:52:22,805 INFO  L226             Difference]: Without dead ends: 29
[2024-11-08 16:52:22,805 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 16:52:22,807 INFO  L432           NwaCegarLoop]: 26 mSDtfsCounter, 19 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 16:52:22,808 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 42 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 16:52:22,809 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2024-11-08 16:52:22,816 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29.
[2024-11-08 16:52:22,817 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 29 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 23 states have internal predecessors, (24), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-08 16:52:22,818 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions.
[2024-11-08 16:52:22,819 INFO  L78                 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 4
[2024-11-08 16:52:22,819 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:52:22,819 INFO  L471      AbstractCegarLoop]: Abstraction has 29 states and 32 transitions.
[2024-11-08 16:52:22,820 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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 16:52:22,820 INFO  L276                IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions.
[2024-11-08 16:52:22,821 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-11-08 16:52:22,821 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 16:52:22,821 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:52:22,822 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 16:52:22,822 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 16:52:22,823 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:52:22,823 INFO  L85        PathProgramCache]: Analyzing trace with hash 41221159, now seen corresponding path program 1 times
[2024-11-08 16:52:22,823 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:52:22,824 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569318106]
[2024-11-08 16:52:22,824 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:52:22,824 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:52:22,856 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:23,031 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 16:52:23,037 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:23,051 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2024-11-08 16:52:23,057 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:23,070 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 16:52:23,070 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:52:23,071 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569318106]
[2024-11-08 16:52:23,071 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569318106] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:52:23,071 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:52:23,071 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:52:23,078 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859429448]
[2024-11-08 16:52:23,078 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:52:23,079 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:52:23,079 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:52:23,080 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:52:23,083 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:52:23,084 INFO  L87              Difference]: Start difference. First operand 29 states and 32 transitions. Second operand  has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 16:52:23,182 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:52:23,183 INFO  L93              Difference]: Finished difference Result 45 states and 52 transitions.
[2024-11-08 16:52:23,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 16:52:23,184 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 19
[2024-11-08 16:52:23,184 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:52:23,185 INFO  L225             Difference]: With dead ends: 45
[2024-11-08 16:52:23,186 INFO  L226             Difference]: Without dead ends: 41
[2024-11-08 16:52:23,186 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 16:52:23,193 INFO  L432           NwaCegarLoop]: 26 mSDtfsCounter, 4 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 16:52:23,196 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 45 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 16:52:23,197 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-11-08 16:52:23,219 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39.
[2024-11-08 16:52:23,221 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 39 states, 25 states have (on average 1.24) internal successors, (31), 30 states have internal predecessors, (31), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-08 16:52:23,223 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions.
[2024-11-08 16:52:23,225 INFO  L78                 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 19
[2024-11-08 16:52:23,225 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:52:23,226 INFO  L471      AbstractCegarLoop]: Abstraction has 39 states and 45 transitions.
[2024-11-08 16:52:23,226 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 16:52:23,226 INFO  L276                IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions.
[2024-11-08 16:52:23,227 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2024-11-08 16:52:23,227 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 16:52:23,228 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 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 16:52:23,228 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 16:52:23,228 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 16:52:23,233 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:52:23,233 INFO  L85        PathProgramCache]: Analyzing trace with hash 460993112, now seen corresponding path program 1 times
[2024-11-08 16:52:23,234 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:52:23,234 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591210474]
[2024-11-08 16:52:23,234 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:52:23,235 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:52:23,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:23,521 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 16:52:23,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:23,529 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2024-11-08 16:52:23,533 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:23,542 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2024-11-08 16:52:23,547 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:23,556 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 16:52:23,561 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:23,572 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-08 16:52:23,573 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:52:23,573 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591210474]
[2024-11-08 16:52:23,573 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591210474] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:52:23,574 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:52:23,574 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 16:52:23,574 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909883943]
[2024-11-08 16:52:23,574 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:52:23,575 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:52:23,575 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:52:23,576 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:52:23,576 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:52:23,576 INFO  L87              Difference]: Start difference. First operand 39 states and 45 transitions. Second operand  has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-08 16:52:23,649 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:52:23,649 INFO  L93              Difference]: Finished difference Result 45 states and 52 transitions.
[2024-11-08 16:52:23,650 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-08 16:52:23,650 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34
[2024-11-08 16:52:23,651 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:52:23,651 INFO  L225             Difference]: With dead ends: 45
[2024-11-08 16:52:23,652 INFO  L226             Difference]: Without dead ends: 43
[2024-11-08 16:52:23,652 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 16:52:23,653 INFO  L432           NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 16:52:23,654 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 63 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 16:52:23,655 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2024-11-08 16:52:23,669 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43.
[2024-11-08 16:52:23,669 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 43 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 33 states have internal predecessors, (34), 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 16:52:23,670 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions.
[2024-11-08 16:52:23,671 INFO  L78                 Accepts]: Start accepts. Automaton has 43 states and 50 transitions. Word has length 34
[2024-11-08 16:52:23,671 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:52:23,671 INFO  L471      AbstractCegarLoop]: Abstraction has 43 states and 50 transitions.
[2024-11-08 16:52:23,675 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-08 16:52:23,675 INFO  L276                IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions.
[2024-11-08 16:52:23,676 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2024-11-08 16:52:23,676 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 16:52:23,676 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:52:23,677 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 16:52:23,677 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 16:52:23,677 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:52:23,678 INFO  L85        PathProgramCache]: Analyzing trace with hash 1573482544, now seen corresponding path program 1 times
[2024-11-08 16:52:23,678 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:52:23,678 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463092387]
[2024-11-08 16:52:23,678 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:52:23,679 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:52:23,721 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:24,006 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 16:52:24,009 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:24,012 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2024-11-08 16:52:24,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:24,018 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2024-11-08 16:52:24,021 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:24,025 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 16:52:24,028 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:24,032 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 16:52:24,035 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:24,038 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 16:52:24,040 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:24,044 INFO  L134       CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-08 16:52:24,045 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:52:24,045 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463092387]
[2024-11-08 16:52:24,045 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463092387] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:52:24,045 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038670508]
[2024-11-08 16:52:24,045 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:52:24,046 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:52:24,046 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:52:24,048 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:52:24,053 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 16:52:24,160 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:24,162 INFO  L255         TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-08 16:52:24,173 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:52:24,317 INFO  L134       CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-08 16:52:24,318 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 16:52:24,318 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038670508] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:52:24,318 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 16:52:24,318 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6
[2024-11-08 16:52:24,319 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109980756]
[2024-11-08 16:52:24,319 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:52:24,319 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 16:52:24,320 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:52:24,320 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 16:52:24,320 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-08 16:52:24,325 INFO  L87              Difference]: Start difference. First operand 43 states and 50 transitions. Second operand  has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 16:52:24,427 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:52:24,427 INFO  L93              Difference]: Finished difference Result 43 states and 50 transitions.
[2024-11-08 16:52:24,428 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 16:52:24,428 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 49
[2024-11-08 16:52:24,429 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:52:24,430 INFO  L225             Difference]: With dead ends: 43
[2024-11-08 16:52:24,430 INFO  L226             Difference]: Without dead ends: 40
[2024-11-08 16:52:24,431 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-08 16:52:24,432 INFO  L432           NwaCegarLoop]: 28 mSDtfsCounter, 4 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 16:52:24,432 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 71 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 16:52:24,434 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2024-11-08 16:52:24,442 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40.
[2024-11-08 16:52:24,442 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 40 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 30 states have internal predecessors, (31), 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 16:52:24,443 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions.
[2024-11-08 16:52:24,444 INFO  L78                 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 49
[2024-11-08 16:52:24,444 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:52:24,444 INFO  L471      AbstractCegarLoop]: Abstraction has 40 states and 47 transitions.
[2024-11-08 16:52:24,445 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 16:52:24,445 INFO  L276                IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions.
[2024-11-08 16:52:24,446 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2024-11-08 16:52:24,446 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 16:52:24,447 INFO  L215           NwaCegarLoop]: trace histogram [6, 6, 6, 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 16:52:24,473 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 16:52:24,651 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:52:24,651 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 16:52:24,652 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:52:24,652 INFO  L85        PathProgramCache]: Analyzing trace with hash 1533318667, now seen corresponding path program 1 times
[2024-11-08 16:52:24,652 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:52:24,652 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288093842]
[2024-11-08 16:52:24,652 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:52:24,653 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:52:24,679 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:24,865 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 16:52:24,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:24,870 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2024-11-08 16:52:24,873 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:24,876 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2024-11-08 16:52:24,879 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:24,884 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 16:52:24,886 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:24,891 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 16:52:24,893 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:24,896 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 16:52:24,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:24,902 INFO  L134       CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-08 16:52:24,903 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:52:24,903 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288093842]
[2024-11-08 16:52:24,903 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288093842] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:52:24,903 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253686287]
[2024-11-08 16:52:24,904 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:52:24,904 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:52:24,904 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:52:24,906 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:52:24,911 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 16:52:24,998 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:25,001 INFO  L255         TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-08 16:52:25,004 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:52:25,093 INFO  L134       CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-08 16:52:25,094 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 16:52:25,525 INFO  L134       CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-08 16:52:25,526 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253686287] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 16:52:25,526 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 16:52:25,526 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 9
[2024-11-08 16:52:25,526 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747369350]
[2024-11-08 16:52:25,527 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 16:52:25,528 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-08 16:52:25,529 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:52:25,529 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-08 16:52:25,531 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90
[2024-11-08 16:52:25,532 INFO  L87              Difference]: Start difference. First operand 40 states and 47 transitions. Second operand  has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2024-11-08 16:52:25,732 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:52:25,733 INFO  L93              Difference]: Finished difference Result 52 states and 65 transitions.
[2024-11-08 16:52:25,733 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-08 16:52:25,734 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 50
[2024-11-08 16:52:25,735 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:52:25,738 INFO  L225             Difference]: With dead ends: 52
[2024-11-08 16:52:25,738 INFO  L226             Difference]: Without dead ends: 50
[2024-11-08 16:52:25,739 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90
[2024-11-08 16:52:25,744 INFO  L432           NwaCegarLoop]: 28 mSDtfsCounter, 6 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 16:52:25,744 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 118 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 16:52:25,745 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2024-11-08 16:52:25,760 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 38.
[2024-11-08 16:52:25,761 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 38 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 28 states have internal predecessors, (29), 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 16:52:25,763 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions.
[2024-11-08 16:52:25,766 INFO  L78                 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 50
[2024-11-08 16:52:25,766 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:52:25,767 INFO  L471      AbstractCegarLoop]: Abstraction has 38 states and 45 transitions.
[2024-11-08 16:52:25,767 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 9 states have (on average 5.0) internal successors, (45), 10 states have internal predecessors, (45), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2024-11-08 16:52:25,767 INFO  L276                IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions.
[2024-11-08 16:52:25,769 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-11-08 16:52:25,769 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 16:52:25,769 INFO  L215           NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:52:25,794 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-08 16:52:25,974 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:52:25,974 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 16:52:25,975 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:52:25,975 INFO  L85        PathProgramCache]: Analyzing trace with hash 1437686519, now seen corresponding path program 1 times
[2024-11-08 16:52:25,975 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:52:25,975 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916052231]
[2024-11-08 16:52:25,976 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:52:25,976 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:52:25,999 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:26,161 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 16:52:26,163 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:26,166 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2024-11-08 16:52:26,168 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:26,171 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2024-11-08 16:52:26,174 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:26,179 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 16:52:26,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:26,186 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 16:52:26,188 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:26,191 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 16:52:26,193 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:26,197 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2024-11-08 16:52:26,199 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:26,203 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2024-11-08 16:52:26,205 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:26,210 INFO  L134       CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-08 16:52:26,210 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:52:26,210 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916052231]
[2024-11-08 16:52:26,211 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916052231] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:52:26,211 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048833158]
[2024-11-08 16:52:26,211 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:52:26,211 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:52:26,212 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:52:26,214 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:52:26,216 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 16:52:26,313 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:26,315 INFO  L255         TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 16:52:26,317 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:52:26,424 INFO  L134       CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-08 16:52:26,425 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 16:52:26,589 INFO  L134       CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2024-11-08 16:52:26,591 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048833158] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 16:52:26,591 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 16:52:26,591 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-11-08 16:52:26,591 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609456829]
[2024-11-08 16:52:26,592 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 16:52:26,593 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-08 16:52:26,593 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:52:26,598 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-08 16:52:26,598 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-08 16:52:26,599 INFO  L87              Difference]: Start difference. First operand 38 states and 45 transitions. Second operand  has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20)
[2024-11-08 16:52:26,810 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:52:26,810 INFO  L93              Difference]: Finished difference Result 81 states and 102 transitions.
[2024-11-08 16:52:26,811 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-08 16:52:26,811 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20) Word has length 65
[2024-11-08 16:52:26,811 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:52:26,812 INFO  L225             Difference]: With dead ends: 81
[2024-11-08 16:52:26,813 INFO  L226             Difference]: Without dead ends: 80
[2024-11-08 16:52:26,813 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-08 16:52:26,814 INFO  L432           NwaCegarLoop]: 19 mSDtfsCounter, 0 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 16:52:26,814 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 16:52:26,815 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2024-11-08 16:52:26,846 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80.
[2024-11-08 16:52:26,846 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 80 states, 58 states have (on average 1.0172413793103448) internal successors, (59), 58 states have internal predecessors, (59), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-08 16:52:26,847 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 99 transitions.
[2024-11-08 16:52:26,848 INFO  L78                 Accepts]: Start accepts. Automaton has 80 states and 99 transitions. Word has length 65
[2024-11-08 16:52:26,848 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:52:26,848 INFO  L471      AbstractCegarLoop]: Abstraction has 80 states and 99 transitions.
[2024-11-08 16:52:26,852 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 5 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 5 states have call predecessors, (20), 5 states have call successors, (20)
[2024-11-08 16:52:26,852 INFO  L276                IsEmpty]: Start isEmpty. Operand 80 states and 99 transitions.
[2024-11-08 16:52:26,856 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 156
[2024-11-08 16:52:26,857 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 16:52:26,857 INFO  L215           NwaCegarLoop]: trace histogram [20, 20, 20, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:52:26,883 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-08 16:52:27,061 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:52:27,061 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 16:52:27,062 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:52:27,062 INFO  L85        PathProgramCache]: Analyzing trace with hash 1928634002, now seen corresponding path program 2 times
[2024-11-08 16:52:27,062 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:52:27,062 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669294157]
[2024-11-08 16:52:27,062 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:52:27,063 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:52:27,136 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,687 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 16:52:27,689 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,693 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2024-11-08 16:52:27,694 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,697 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2024-11-08 16:52:27,698 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,703 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 16:52:27,705 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,712 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 16:52:27,714 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,719 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 16:52:27,721 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,724 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50
[2024-11-08 16:52:27,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,731 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57
[2024-11-08 16:52:27,735 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,738 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68
[2024-11-08 16:52:27,742 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,744 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-08 16:52:27,755 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,762 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80
[2024-11-08 16:52:27,764 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,771 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-08 16:52:27,777 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,780 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-08 16:52:27,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,787 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103
[2024-11-08 16:52:27,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,792 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110
[2024-11-08 16:52:27,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,798 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117
[2024-11-08 16:52:27,802 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,806 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128
[2024-11-08 16:52:27,808 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,811 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133
[2024-11-08 16:52:27,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,815 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140
[2024-11-08 16:52:27,818 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,822 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147
[2024-11-08 16:52:27,826 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,831 INFO  L134       CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-08 16:52:27,831 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:52:27,832 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669294157]
[2024-11-08 16:52:27,832 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669294157] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:52:27,832 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022568650]
[2024-11-08 16:52:27,833 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 16:52:27,833 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:52:27,833 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:52:27,835 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:52:27,837 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-08 16:52:27,903 INFO  L227   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-08 16:52:27,904 INFO  L228   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 16:52:27,905 INFO  L255         TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-08 16:52:27,909 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:52:28,139 INFO  L134       CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked.
[2024-11-08 16:52:28,139 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 16:52:28,443 INFO  L134       CoverageAnalysis]: Checked inductivity of 900 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked.
[2024-11-08 16:52:28,443 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022568650] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 16:52:28,444 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 16:52:28,444 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14
[2024-11-08 16:52:28,444 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059848147]
[2024-11-08 16:52:28,444 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 16:52:28,445 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-11-08 16:52:28,446 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:52:28,447 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-11-08 16:52:28,447 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210
[2024-11-08 16:52:28,447 INFO  L87              Difference]: Start difference. First operand 80 states and 99 transitions. Second operand  has 15 states, 14 states have (on average 5.714285714285714) internal successors, (80), 15 states have internal predecessors, (80), 7 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28)
[2024-11-08 16:52:28,837 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:52:28,837 INFO  L93              Difference]: Finished difference Result 97 states and 121 transitions.
[2024-11-08 16:52:28,838 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-11-08 16:52:28,838 INFO  L78                 Accepts]: Start accepts. Automaton has  has 15 states, 14 states have (on average 5.714285714285714) internal successors, (80), 15 states have internal predecessors, (80), 7 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) Word has length 155
[2024-11-08 16:52:28,839 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:52:28,839 INFO  L225             Difference]: With dead ends: 97
[2024-11-08 16:52:28,839 INFO  L226             Difference]: Without dead ends: 0
[2024-11-08 16:52:28,840 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 371 GetRequests, 344 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702
[2024-11-08 16:52:28,841 INFO  L432           NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 16:52:28,847 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 75 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 16:52:28,848 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-08 16:52:28,848 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-08 16:52:28,848 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 16:52:28,848 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-08 16:52:28,849 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155
[2024-11-08 16:52:28,849 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:52:28,849 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 16:52:28,849 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 14 states have (on average 5.714285714285714) internal successors, (80), 15 states have internal predecessors, (80), 7 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28)
[2024-11-08 16:52:28,849 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-08 16:52:28,849 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-08 16:52:28,856 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining)
[2024-11-08 16:52:28,857 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining)
[2024-11-08 16:52:28,857 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining)
[2024-11-08 16:52:28,857 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining)
[2024-11-08 16:52:28,858 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining)
[2024-11-08 16:52:28,858 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining)
[2024-11-08 16:52:28,858 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining)
[2024-11-08 16:52:28,858 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining)
[2024-11-08 16:52:28,858 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining)
[2024-11-08 16:52:28,859 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining)
[2024-11-08 16:52:28,887 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-08 16:52:29,059 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:52:29,062 INFO  L407         BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:52:29,066 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-08 16:52:29,807 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 16:52:29,829 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:52:29 BoogieIcfgContainer
[2024-11-08 16:52:29,830 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 16:52:29,830 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 16:52:29,830 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-08 16:52:29,831 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-08 16:52:29,831 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:52:21" (3/4) ...
[2024-11-08 16:52:29,834 INFO  L142         WitnessPrinter]: Generating witness for correct program
[2024-11-08 16:52:29,840 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert
[2024-11-08 16:52:29,845 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-11-08 16:52:29,845 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-08 16:52:29,845 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-08 16:52:29,846 INFO  L925   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 16:52:29,959 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 16:52:29,960 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 16:52:29,960 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 16:52:29,961 INFO  L158              Benchmark]: Toolchain (without parser) took 9037.22ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 102.7MB in the beginning and 131.8MB in the end (delta: -29.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB.
[2024-11-08 16:52:29,961 INFO  L158              Benchmark]: CDTParser took 1.41ms. Allocated memory is still 144.7MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:52:29,961 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 359.49ms. Allocated memory is still 144.7MB. Free memory was 102.3MB in the beginning and 90.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 16:52:29,961 INFO  L158              Benchmark]: Boogie Procedure Inliner took 44.18ms. Allocated memory is still 144.7MB. Free memory was 90.1MB in the beginning and 88.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:52:29,962 INFO  L158              Benchmark]: Boogie Preprocessor took 47.68ms. Allocated memory is still 144.7MB. Free memory was 88.4MB in the beginning and 86.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:52:29,962 INFO  L158              Benchmark]: RCFGBuilder took 413.14ms. Allocated memory is still 144.7MB. Free memory was 86.8MB in the beginning and 73.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-11-08 16:52:29,964 INFO  L158              Benchmark]: TraceAbstraction took 8032.11ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 72.9MB in the beginning and 137.1MB in the end (delta: -64.1MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB.
[2024-11-08 16:52:29,964 INFO  L158              Benchmark]: Witness Printer took 129.75ms. Allocated memory is still 188.7MB. Free memory was 137.1MB in the beginning and 131.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 16:52:29,966 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 1.41ms. Allocated memory is still 144.7MB. Free memory is still 91.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 359.49ms. Allocated memory is still 144.7MB. Free memory was 102.3MB in the beginning and 90.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 44.18ms. Allocated memory is still 144.7MB. Free memory was 90.1MB in the beginning and 88.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 47.68ms. Allocated memory is still 144.7MB. Free memory was 88.4MB in the beginning and 86.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 413.14ms. Allocated memory is still 144.7MB. Free memory was 86.8MB in the beginning and 73.3MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
 * TraceAbstraction took 8032.11ms. Allocated memory was 144.7MB in the beginning and 188.7MB in the end (delta: 44.0MB). Free memory was 72.9MB in the beginning and 137.1MB in the end (delta: -64.1MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB.
 * Witness Printer took 129.75ms. Allocated memory is still 188.7MB. Free memory was 137.1MB in the beginning and 131.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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: 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: 31]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 31]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 34]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 34]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 35]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 35]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 31]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 31]: 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, 40 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 8, TraceHistogramMax: 20, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 574 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 374 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 392 IncrementalHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 200 mSDtfsCounter, 392 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 721 GetRequests, 665 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=7, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 698 NumberOfCodeBlocks, 559 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 953 ConstructedInterpolants, 0 QuantifiedInterpolants, 2033 SizeOfPredicates, 2 NumberOfNonLiveVariables, 378 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 3142/3439 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
    10 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-08 16:52:30,016 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b85d4e7-16b6-41b3-bfc6-07fef9f9cd53/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

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