./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array20_alloca.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
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_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/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_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-15/array20_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/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 64bit --witnessprinter.graph.data.programhash ea5bfa8a156bc44b081b7e322054bf4f8b50233fa79918ee2b9ae09354893d3a
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 19:05:21,253 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 19:05:21,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-08 19:05:21,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 19:05:21,352 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 19:05:21,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 19:05:21,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 19:05:21,384 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 19:05:21,384 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 19:05:21,385 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 19:05:21,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 19:05:21,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 19:05:21,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 19:05:21,388 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 19:05:21,388 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 19:05:21,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 19:05:21,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 19:05:21,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 19:05:21,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 19:05:21,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 19:05:21,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 19:05:21,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 19:05:21,392 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 19:05:21,393 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 19:05:21,393 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 19:05:21,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 19:05:21,394 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 19:05:21,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 19:05:21,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 19:05:21,396 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 19:05:21,396 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 19:05:21,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:05:21,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 19:05:21,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 19:05:21,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 19:05:21,399 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 19:05:21,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 19:05:21,399 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 19:05:21,400 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 19:05:21,400 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 19:05:21,401 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 19:05:21,401 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_d53c6368-d0b1-4574-bf3c-3177092a4d70/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea5bfa8a156bc44b081b7e322054bf4f8b50233fa79918ee2b9ae09354893d3a
[2024-11-08 19:05:21,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 19:05:21,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 19:05:21,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 19:05:21,771 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 19:05:21,772 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 19:05:21,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/termination-15/array20_alloca.i
Unable to find full path for "g++"
[2024-11-08 19:05:24,018 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 19:05:24,228 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 19:05:24,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/sv-benchmarks/c/termination-15/array20_alloca.i
[2024-11-08 19:05:24,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/data/b9347a3ce/d7b7c4409d6b49de959a7efce5ec5705/FLAGa1c46b7d0
[2024-11-08 19:05:24,261 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/data/b9347a3ce/d7b7c4409d6b49de959a7efce5ec5705
[2024-11-08 19:05:24,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 19:05:24,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 19:05:24,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 19:05:24,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 19:05:24,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 19:05:24,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:05:24" (1/1) ...
[2024-11-08 19:05:24,276 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@564995c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:24, skipping insertion in model container
[2024-11-08 19:05:24,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:05:24" (1/1) ...
[2024-11-08 19:05:24,312 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 19:05:24,761 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:05:24,771 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 19:05:24,842 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:05:24,893 INFO L204 MainTranslator]: Completed translation
[2024-11-08 19:05:24,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:24 WrapperNode
[2024-11-08 19:05:24,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 19:05:24,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 19:05:24,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 19:05:24,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 19:05:24,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:24" (1/1) ...
[2024-11-08 19:05:24,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:24" (1/1) ...
[2024-11-08 19:05:24,942 INFO L138 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52
[2024-11-08 19:05:24,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 19:05:24,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 19:05:24,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 19:05:24,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 19:05:24,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:24" (1/1) ...
[2024-11-08 19:05:24,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:24" (1/1) ...
[2024-11-08 19:05:24,959 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:24" (1/1) ...
[2024-11-08 19:05:24,975 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2].
[2024-11-08 19:05:24,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:24" (1/1) ...
[2024-11-08 19:05:24,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:24" (1/1) ...
[2024-11-08 19:05:24,980 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:24" (1/1) ...
[2024-11-08 19:05:24,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:24" (1/1) ...
[2024-11-08 19:05:24,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:24" (1/1) ...
[2024-11-08 19:05:24,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:24" (1/1) ...
[2024-11-08 19:05:24,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 19:05:24,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 19:05:24,995 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 19:05:24,995 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 19:05:24,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:24" (1/1) ...
[2024-11-08 19:05:25,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:05:25,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:05:25,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 19:05:25,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 19:05:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 19:05:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 19:05:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 19:05:25,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 19:05:25,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 19:05:25,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 19:05:25,244 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 19:05:25,250 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 19:05:25,463 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live.
[2024-11-08 19:05:25,463 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 19:05:25,482 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 19:05:25,483 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 19:05:25,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:05:25 BoogieIcfgContainer
[2024-11-08 19:05:25,485 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 19:05:25,488 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 19:05:25,488 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 19:05:25,492 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 19:05:25,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:05:24" (1/3) ...
[2024-11-08 19:05:25,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7e8319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:05:25, skipping insertion in model container
[2024-11-08 19:05:25,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:05:24" (2/3) ...
[2024-11-08 19:05:25,495 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b7e8319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:05:25, skipping insertion in model container
[2024-11-08 19:05:25,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:05:25" (3/3) ...
[2024-11-08 19:05:25,497 INFO L112 eAbstractionObserver]: Analyzing ICFG array20_alloca.i
[2024-11-08 19:05:25,520 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 19:05:25,520 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2024-11-08 19:05:25,608 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 19:05:25,615 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;@1a6dd763, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 19:05:25,616 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-08 19:05:25,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 23 states have internal predecessors, (30), 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 19:05:25,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-08 19:05:25,632 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:05:25,633 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:05:25,634 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-08 19:05:25,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:05:25,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1177034737, now seen corresponding path program 1 times
[2024-11-08 19:05:25,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:05:25,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853694824]
[2024-11-08 19:05:25,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:25,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:05:25,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:26,016 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 19:05:26,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:05:26,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853694824]
[2024-11-08 19:05:26,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853694824] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:05:26,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:05:26,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 19:05:26,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814199121]
[2024-11-08 19:05:26,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:05:26,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:05:26,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:05:26,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:05:26,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:05:26,055 INFO L87 Difference]: Start difference. First operand has 24 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 23 states have internal predecessors, (30), 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) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 19:05:26,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:05:26,145 INFO L93 Difference]: Finished difference Result 32 states and 41 transitions.
[2024-11-08 19:05:26,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:05:26,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 10
[2024-11-08 19:05:26,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:05:26,158 INFO L225 Difference]: With dead ends: 32
[2024-11-08 19:05:26,159 INFO L226 Difference]: Without dead ends: 26
[2024-11-08 19:05:26,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:05:26,168 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 19:05:26,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 59 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 19:05:26,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-11-08 19:05:26,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2024-11-08 19:05:26,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.5) internal successors, (33), 25 states have internal predecessors, (33), 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 19:05:26,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions.
[2024-11-08 19:05:26,211 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 10
[2024-11-08 19:05:26,212 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:05:26,212 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions.
[2024-11-08 19:05:26,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 19:05:26,212 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions.
[2024-11-08 19:05:26,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-08 19:05:26,213 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:05:26,213 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:05:26,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 19:05:26,213 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-08 19:05:26,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:05:26,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1159948574, now seen corresponding path program 1 times
[2024-11-08 19:05:26,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:05:26,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117521067]
[2024-11-08 19:05:26,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:26,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:05:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:26,343 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 19:05:26,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:05:26,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117521067]
[2024-11-08 19:05:26,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117521067] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:05:26,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:05:26,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 19:05:26,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865973711]
[2024-11-08 19:05:26,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:05:26,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:05:26,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:05:26,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:05:26,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:05:26,351 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 19:05:26,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:05:26,407 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions.
[2024-11-08 19:05:26,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:05:26,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 10
[2024-11-08 19:05:26,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:05:26,409 INFO L225 Difference]: With dead ends: 33
[2024-11-08 19:05:26,409 INFO L226 Difference]: Without dead ends: 26
[2024-11-08 19:05:26,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 19:05:26,411 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 27 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 19:05:26,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 25 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 19:05:26,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-11-08 19:05:26,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2024-11-08 19:05:26,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 25 states have internal predecessors, (31), 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 19:05:26,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions.
[2024-11-08 19:05:26,417 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 31 transitions. Word has length 10
[2024-11-08 19:05:26,417 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:05:26,417 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 31 transitions.
[2024-11-08 19:05:26,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 19:05:26,418 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions.
[2024-11-08 19:05:26,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-11-08 19:05:26,418 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:05:26,418 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:05:26,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 19:05:26,419 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-08 19:05:26,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:05:26,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1176446428, now seen corresponding path program 1 times
[2024-11-08 19:05:26,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:05:26,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893305338]
[2024-11-08 19:05:26,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:26,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:05:26,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:26,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:05:26,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:05:26,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893305338]
[2024-11-08 19:05:26,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893305338] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:05:26,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [817499196]
[2024-11-08 19:05:26,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:26,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:05:26,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:05:26,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:05:26,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 19:05:26,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:26,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 19:05:26,765 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:05:26,930 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:05:26,930 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 19:05:26,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [817499196] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:05:26,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 19:05:26,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10
[2024-11-08 19:05:26,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740612842]
[2024-11-08 19:05:26,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:05:26,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 19:05:26,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:05:26,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 19:05:26,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2024-11-08 19:05:26,936 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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 19:05:26,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:05:26,988 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions.
[2024-11-08 19:05:26,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 19:05:26,989 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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 16
[2024-11-08 19:05:26,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:05:26,989 INFO L225 Difference]: With dead ends: 52
[2024-11-08 19:05:26,990 INFO L226 Difference]: Without dead ends: 26
[2024-11-08 19:05:26,990 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2024-11-08 19:05:26,991 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 4 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 19:05:26,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 35 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 19:05:26,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-11-08 19:05:26,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2024-11-08 19:05:26,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 25 states have internal predecessors, (30), 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 19:05:26,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions.
[2024-11-08 19:05:26,997 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 16
[2024-11-08 19:05:26,997 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:05:26,997 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions.
[2024-11-08 19:05:26,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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 19:05:26,998 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions.
[2024-11-08 19:05:26,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-11-08 19:05:26,998 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:05:26,998 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:05:27,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 19:05:27,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:05:27,200 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-08 19:05:27,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:05:27,200 INFO L85 PathProgramCache]: Analyzing trace with hash 2107403618, now seen corresponding path program 1 times
[2024-11-08 19:05:27,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:05:27,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944843371]
[2024-11-08 19:05:27,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:27,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:05:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:27,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:05:27,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:05:27,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944843371]
[2024-11-08 19:05:27,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944843371] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:05:27,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605068166]
[2024-11-08 19:05:27,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:27,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:05:27,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:05:27,357 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:05:27,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 19:05:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:27,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 19:05:27,430 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:05:27,476 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:05:27,476 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 19:05:27,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605068166] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:05:27,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 19:05:27,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-08 19:05:27,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142304938]
[2024-11-08 19:05:27,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:05:27,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 19:05:27,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:05:27,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 19:05:27,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-08 19:05:27,479 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 19:05:27,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:05:27,558 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions.
[2024-11-08 19:05:27,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 19:05:27,558 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 16
[2024-11-08 19:05:27,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:05:27,559 INFO L225 Difference]: With dead ends: 26
[2024-11-08 19:05:27,559 INFO L226 Difference]: Without dead ends: 25
[2024-11-08 19:05:27,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-08 19:05:27,564 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 3 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 19:05:27,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 51 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 19:05:27,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-11-08 19:05:27,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2024-11-08 19:05:27,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 24 states have internal predecessors, (29), 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 19:05:27,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions.
[2024-11-08 19:05:27,572 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 16
[2024-11-08 19:05:27,573 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:05:27,573 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions.
[2024-11-08 19:05:27,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 19:05:27,573 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions.
[2024-11-08 19:05:27,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2024-11-08 19:05:27,574 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:05:27,574 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:05:27,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-08 19:05:27,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3
[2024-11-08 19:05:27,779 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-08 19:05:27,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:05:27,780 INFO L85 PathProgramCache]: Analyzing trace with hash 2124489781, now seen corresponding path program 1 times
[2024-11-08 19:05:27,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:05:27,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945423074]
[2024-11-08 19:05:27,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:27,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:05:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:27,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:05:27,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:05:27,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945423074]
[2024-11-08 19:05:27,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945423074] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:05:27,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095506177]
[2024-11-08 19:05:27,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:27,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:05:27,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:05:27,982 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:05:27,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 19:05:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:28,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 19:05:28,052 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:05:28,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:05:28,111 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:05:28,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:05:28,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095506177] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:05:28,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 19:05:28,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11
[2024-11-08 19:05:28,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567013373]
[2024-11-08 19:05:28,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:05:28,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-08 19:05:28,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:05:28,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-08 19:05:28,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110
[2024-11-08 19:05:28,183 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 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 19:05:28,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:05:28,341 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions.
[2024-11-08 19:05:28,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-08 19:05:28,343 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 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 16
[2024-11-08 19:05:28,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:05:28,344 INFO L225 Difference]: With dead ends: 37
[2024-11-08 19:05:28,344 INFO L226 Difference]: Without dead ends: 29
[2024-11-08 19:05:28,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 24 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110
[2024-11-08 19:05:28,345 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 19:05:28,346 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 65 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 19:05:28,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states.
[2024-11-08 19:05:28,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27.
[2024-11-08 19:05:28,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 26 states have internal predecessors, (31), 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 19:05:28,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions.
[2024-11-08 19:05:28,359 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 16
[2024-11-08 19:05:28,359 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:05:28,360 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions.
[2024-11-08 19:05:28,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 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 19:05:28,360 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions.
[2024-11-08 19:05:28,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-11-08 19:05:28,361 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:05:28,361 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:05:28,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-08 19:05:28,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:05:28,562 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-08 19:05:28,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:05:28,562 INFO L85 PathProgramCache]: Analyzing trace with hash 905002782, now seen corresponding path program 1 times
[2024-11-08 19:05:28,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:05:28,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967900725]
[2024-11-08 19:05:28,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:28,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:05:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:28,718 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:05:28,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:05:28,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967900725]
[2024-11-08 19:05:28,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967900725] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 19:05:28,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397997665]
[2024-11-08 19:05:28,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:28,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:05:28,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:05:28,721 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:05:28,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-08 19:05:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:28,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 19:05:28,789 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:05:28,833 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:05:28,834 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:05:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:05:28,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397997665] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:05:28,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 19:05:28,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-11-08 19:05:28,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292843064]
[2024-11-08 19:05:28,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:05:28,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-08 19:05:28,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:05:28,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-08 19:05:28,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-08 19:05:28,922 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 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 19:05:29,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:05:29,010 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions.
[2024-11-08 19:05:29,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-08 19:05:29,011 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 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 17
[2024-11-08 19:05:29,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:05:29,011 INFO L225 Difference]: With dead ends: 44
[2024-11-08 19:05:29,012 INFO L226 Difference]: Without dead ends: 43
[2024-11-08 19:05:29,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 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 19:05:29,013 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 7 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 19:05:29,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 88 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 19:05:29,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2024-11-08 19:05:29,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43.
[2024-11-08 19:05:29,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 40 states have (on average 1.35) internal successors, (54), 42 states have internal predecessors, (54), 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 19:05:29,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions.
[2024-11-08 19:05:29,024 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 54 transitions. Word has length 17
[2024-11-08 19:05:29,024 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:05:29,024 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 54 transitions.
[2024-11-08 19:05:29,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 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 19:05:29,026 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 54 transitions.
[2024-11-08 19:05:29,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-11-08 19:05:29,027 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:05:29,027 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:05:29,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-08 19:05:29,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-11-08 19:05:29,228 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-08 19:05:29,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:05:29,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1863216118, now seen corresponding path program 2 times
[2024-11-08 19:05:29,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:05:29,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907364800]
[2024-11-08 19:05:29,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:29,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:05:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 19:05:29,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1327153400]
[2024-11-08 19:05:29,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 19:05:29,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:05:29,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:05:29,255 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:05:29,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-08 19:05:29,327 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-08 19:05:29,327 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 19:05:29,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-08 19:05:29,332 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:05:29,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-11-08 19:05:29,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2024-11-08 19:05:29,617 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:05:29,618 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:05:29,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16
[2024-11-08 19:05:29,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20
[2024-11-08 19:05:29,871 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:05:29,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:05:29,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907364800]
[2024-11-08 19:05:29,872 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 19:05:29,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327153400]
[2024-11-08 19:05:29,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327153400] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:05:29,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 19:05:29,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 14
[2024-11-08 19:05:29,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665548033]
[2024-11-08 19:05:29,873 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:05:29,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-11-08 19:05:29,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:05:29,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-11-08 19:05:29,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210
[2024-11-08 19:05:29,875 INFO L87 Difference]: Start difference. First operand 43 states and 54 transitions. Second operand has 15 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 15 states have internal predecessors, (41), 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 19:05:30,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:05:30,378 INFO L93 Difference]: Finished difference Result 64 states and 80 transitions.
[2024-11-08 19:05:30,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-11-08 19:05:30,379 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 15 states have internal predecessors, (41), 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 22
[2024-11-08 19:05:30,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:05:30,380 INFO L225 Difference]: With dead ends: 64
[2024-11-08 19:05:30,380 INFO L226 Difference]: Without dead ends: 63
[2024-11-08 19:05:30,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=106, Invalid=400, Unknown=0, NotChecked=0, Total=506
[2024-11-08 19:05:30,381 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 67 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 19:05:30,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 87 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 19:05:30,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states.
[2024-11-08 19:05:30,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 46.
[2024-11-08 19:05:30,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 45 states have internal predecessors, (57), 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 19:05:30,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions.
[2024-11-08 19:05:30,397 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 57 transitions. Word has length 22
[2024-11-08 19:05:30,398 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:05:30,398 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 57 transitions.
[2024-11-08 19:05:30,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 15 states have internal predecessors, (41), 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 19:05:30,398 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions.
[2024-11-08 19:05:30,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-11-08 19:05:30,402 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:05:30,403 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:05:30,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-08 19:05:30,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:05:30,603 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-08 19:05:30,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:05:30,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1925124729, now seen corresponding path program 1 times
[2024-11-08 19:05:30,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:05:30,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465086016]
[2024-11-08 19:05:30,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:30,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:05:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 19:05:30,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [610262577]
[2024-11-08 19:05:30,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:30,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:05:30,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:05:30,645 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:05:30,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-08 19:05:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:30,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-11-08 19:05:30,727 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:05:30,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1
[2024-11-08 19:05:30,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7
[2024-11-08 19:05:30,862 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:05:30,863 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:05:31,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14
[2024-11-08 19:05:31,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 16
[2024-11-08 19:05:31,201 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:05:31,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:05:31,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465086016]
[2024-11-08 19:05:31,202 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 19:05:31,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610262577]
[2024-11-08 19:05:31,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610262577] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:05:31,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 19:05:31,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10
[2024-11-08 19:05:31,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478527692]
[2024-11-08 19:05:31,203 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:05:31,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-08 19:05:31,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:05:31,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-08 19:05:31,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110
[2024-11-08 19:05:31,205 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. Second operand has 11 states, 10 states have (on average 3.3) internal successors, (33), 11 states have internal predecessors, (33), 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 19:05:31,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:05:31,997 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions.
[2024-11-08 19:05:31,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-08 19:05:31,998 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 11 states have internal predecessors, (33), 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 23
[2024-11-08 19:05:31,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:05:31,999 INFO L225 Difference]: With dead ends: 64
[2024-11-08 19:05:31,999 INFO L226 Difference]: Without dead ends: 63
[2024-11-08 19:05:32,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240
[2024-11-08 19:05:32,000 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 36 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-08 19:05:32,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 97 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-08 19:05:32,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states.
[2024-11-08 19:05:32,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 47.
[2024-11-08 19:05:32,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 46 states have internal predecessors, (58), 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 19:05:32,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions.
[2024-11-08 19:05:32,016 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 23
[2024-11-08 19:05:32,016 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:05:32,016 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions.
[2024-11-08 19:05:32,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.3) internal successors, (33), 11 states have internal predecessors, (33), 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 19:05:32,018 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions.
[2024-11-08 19:05:32,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-11-08 19:05:32,019 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:05:32,019 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:05:32,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-08 19:05:32,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:05:32,220 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-08 19:05:32,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:05:32,221 INFO L85 PathProgramCache]: Analyzing trace with hash -692426493, now seen corresponding path program 1 times
[2024-11-08 19:05:32,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:05:32,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59104102]
[2024-11-08 19:05:32,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:32,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:05:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 19:05:32,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [256985127]
[2024-11-08 19:05:32,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:32,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:05:32,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:05:32,247 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:05:32,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-08 19:05:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:32,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 17 conjuncts are in the unsatisfiable core
[2024-11-08 19:05:32,321 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:05:32,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9
[2024-11-08 19:05:32,482 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-08 19:05:32,482 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:05:41,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31
[2024-11-08 19:05:41,774 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size
[2024-11-08 19:05:41,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 34
[2024-11-08 19:05:41,849 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:05:41,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:05:41,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59104102]
[2024-11-08 19:05:41,851 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 19:05:41,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256985127]
[2024-11-08 19:05:41,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256985127] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:05:41,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 19:05:41,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 15
[2024-11-08 19:05:41,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785240451]
[2024-11-08 19:05:41,852 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:05:41,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-08 19:05:41,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:05:41,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-08 19:05:41,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=190, Unknown=1, NotChecked=0, Total=240
[2024-11-08 19:05:41,853 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand has 16 states, 15 states have (on average 2.6) internal successors, (39), 16 states have internal predecessors, (39), 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 19:05:42,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:05:42,588 INFO L93 Difference]: Finished difference Result 63 states and 76 transitions.
[2024-11-08 19:05:42,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-08 19:05:42,589 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.6) internal successors, (39), 16 states have internal predecessors, (39), 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 26
[2024-11-08 19:05:42,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:05:42,590 INFO L225 Difference]: With dead ends: 63
[2024-11-08 19:05:42,590 INFO L226 Difference]: Without dead ends: 52
[2024-11-08 19:05:42,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=67, Invalid=238, Unknown=1, NotChecked=0, Total=306
[2024-11-08 19:05:42,591 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 8 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-08 19:05:42,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 117 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-08 19:05:42,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2024-11-08 19:05:42,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2024-11-08 19:05:42,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 51 states have internal predecessors, (63), 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 19:05:42,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions.
[2024-11-08 19:05:42,599 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 63 transitions. Word has length 26
[2024-11-08 19:05:42,599 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:05:42,599 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 63 transitions.
[2024-11-08 19:05:42,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.6) internal successors, (39), 16 states have internal predecessors, (39), 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 19:05:42,600 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions.
[2024-11-08 19:05:42,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-11-08 19:05:42,600 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:05:42,600 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:05:42,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-11-08 19:05:42,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:05:42,805 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-08 19:05:42,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:05:42,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1279232507, now seen corresponding path program 1 times
[2024-11-08 19:05:42,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:05:42,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175867470]
[2024-11-08 19:05:42,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:42,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:05:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 19:05:42,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [381876219]
[2024-11-08 19:05:42,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:05:42,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:05:42,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:05:42,860 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:05:42,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-08 19:05:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:05:42,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-11-08 19:05:42,937 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:05:42,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1
[2024-11-08 19:05:43,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7
[2024-11-08 19:05:43,106 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:05:43,106 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:05:48,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31
[2024-11-08 19:05:48,525 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size
[2024-11-08 19:05:48,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 34
[2024-11-08 19:05:48,915 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:05:48,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:05:48,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175867470]
[2024-11-08 19:05:48,916 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 19:05:48,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381876219]
[2024-11-08 19:05:48,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381876219] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:05:48,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 19:05:48,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 24
[2024-11-08 19:05:48,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490469993]
[2024-11-08 19:05:48,917 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:05:48,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2024-11-08 19:05:48,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:05:48,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2024-11-08 19:05:48,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=512, Unknown=1, NotChecked=0, Total=600
[2024-11-08 19:05:48,918 INFO L87 Difference]: Start difference. First operand 52 states and 63 transitions. Second operand has 25 states, 24 states have (on average 2.0) internal successors, (48), 25 states have internal predecessors, (48), 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 19:05:59,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1]
[2024-11-08 19:06:03,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1]
[2024-11-08 19:06:04,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:06:04,785 INFO L93 Difference]: Finished difference Result 95 states and 115 transitions.
[2024-11-08 19:06:04,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states.
[2024-11-08 19:06:04,786 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.0) internal successors, (48), 25 states have internal predecessors, (48), 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 26
[2024-11-08 19:06:04,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:06:04,787 INFO L225 Difference]: With dead ends: 95
[2024-11-08 19:06:04,787 INFO L226 Difference]: Without dead ends: 94
[2024-11-08 19:06:04,788 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 382 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=255, Invalid=1465, Unknown=2, NotChecked=0, Total=1722
[2024-11-08 19:06:04,789 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 48 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 20 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time
[2024-11-08 19:06:04,789 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 93 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 428 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time]
[2024-11-08 19:06:04,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2024-11-08 19:06:04,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 84.
[2024-11-08 19:06:04,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 81 states have (on average 1.271604938271605) internal successors, (103), 83 states have internal predecessors, (103), 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 19:06:04,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 103 transitions.
[2024-11-08 19:06:04,802 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 103 transitions. Word has length 26
[2024-11-08 19:06:04,802 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:06:04,802 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 103 transitions.
[2024-11-08 19:06:04,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.0) internal successors, (48), 25 states have internal predecessors, (48), 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 19:06:04,803 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 103 transitions.
[2024-11-08 19:06:04,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2024-11-08 19:06:04,803 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:06:04,804 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:06:04,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-08 19:06:05,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-11-08 19:06:05,008 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-08 19:06:05,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:06:05,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1001501972, now seen corresponding path program 1 times
[2024-11-08 19:06:05,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:06:05,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261576308]
[2024-11-08 19:06:05,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:06:05,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:06:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 19:06:05,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [637135134]
[2024-11-08 19:06:05,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:06:05,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:06:05,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:06:05,045 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:06:05,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-08 19:06:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:06:05,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 24 conjuncts are in the unsatisfiable core
[2024-11-08 19:06:05,133 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:06:05,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1
[2024-11-08 19:06:05,395 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:06:05,395 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:06:07,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 71
[2024-11-08 19:06:07,501 INFO L349 Elim1Store]: treesize reduction 5, result has 83.9 percent of original size
[2024-11-08 19:06:07,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 150 treesize of output 143
[2024-11-08 19:06:18,377 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:06:18,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:06:18,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261576308]
[2024-11-08 19:06:18,378 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 19:06:18,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637135134]
[2024-11-08 19:06:18,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637135134] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:06:18,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 19:06:18,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 27
[2024-11-08 19:06:18,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013672269]
[2024-11-08 19:06:18,379 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:06:18,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2024-11-08 19:06:18,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:06:18,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2024-11-08 19:06:18,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756
[2024-11-08 19:06:18,381 INFO L87 Difference]: Start difference. First operand 84 states and 103 transitions. Second operand has 28 states, 27 states have (on average 1.962962962962963) internal successors, (53), 28 states have internal predecessors, (53), 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 19:06:25,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:06:25,114 INFO L93 Difference]: Finished difference Result 109 states and 129 transitions.
[2024-11-08 19:06:25,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states.
[2024-11-08 19:06:25,115 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 1.962962962962963) internal successors, (53), 28 states have internal predecessors, (53), 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 27
[2024-11-08 19:06:25,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:06:25,115 INFO L225 Difference]: With dead ends: 109
[2024-11-08 19:06:25,116 INFO L226 Difference]: Without dead ends: 98
[2024-11-08 19:06:25,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 398 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=349, Invalid=1373, Unknown=0, NotChecked=0, Total=1722
[2024-11-08 19:06:25,117 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 122 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time
[2024-11-08 19:06:25,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 83 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time]
[2024-11-08 19:06:25,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2024-11-08 19:06:25,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 83.
[2024-11-08 19:06:25,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 80 states have (on average 1.25) internal successors, (100), 82 states have internal predecessors, (100), 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 19:06:25,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 100 transitions.
[2024-11-08 19:06:25,131 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 100 transitions. Word has length 27
[2024-11-08 19:06:25,131 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:06:25,131 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 100 transitions.
[2024-11-08 19:06:25,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 1.962962962962963) internal successors, (53), 28 states have internal predecessors, (53), 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 19:06:25,132 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions.
[2024-11-08 19:06:25,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2024-11-08 19:06:25,133 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:06:25,133 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:06:25,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-11-08 19:06:25,336 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:06:25,337 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-08 19:06:25,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:06:25,338 INFO L85 PathProgramCache]: Analyzing trace with hash 769318810, now seen corresponding path program 2 times
[2024-11-08 19:06:25,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:06:25,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112858844]
[2024-11-08 19:06:25,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:06:25,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:06:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 19:06:25,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1398321129]
[2024-11-08 19:06:25,377 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 19:06:25,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:06:25,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:06:25,379 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:06:25,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-11-08 19:06:25,452 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-08 19:06:25,452 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 19:06:25,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 27 conjuncts are in the unsatisfiable core
[2024-11-08 19:06:25,460 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:06:25,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7
[2024-11-08 19:06:25,619 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-08 19:06:25,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11
[2024-11-08 19:06:25,756 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-08 19:06:25,756 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:06:30,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 88
[2024-11-08 19:06:30,749 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 19:06:30,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1062 treesize of output 952
[2024-11-08 19:06:33,792 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:06:33,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:06:33,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112858844]
[2024-11-08 19:06:33,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 19:06:33,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1398321129]
[2024-11-08 19:06:33,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1398321129] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:06:33,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 19:06:33,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13] total 24
[2024-11-08 19:06:33,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027409979]
[2024-11-08 19:06:33,794 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:06:33,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2024-11-08 19:06:33,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:06:33,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2024-11-08 19:06:33,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=509, Unknown=1, NotChecked=0, Total=600
[2024-11-08 19:06:33,795 INFO L87 Difference]: Start difference. First operand 83 states and 100 transitions. Second operand has 25 states, 24 states have (on average 2.5) internal successors, (60), 25 states have internal predecessors, (60), 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 19:06:34,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:06:34,439 INFO L93 Difference]: Finished difference Result 152 states and 184 transitions.
[2024-11-08 19:06:34,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-08 19:06:34,439 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 2.5) internal successors, (60), 25 states have internal predecessors, (60), 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 32
[2024-11-08 19:06:34,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:06:34,440 INFO L225 Difference]: With dead ends: 152
[2024-11-08 19:06:34,441 INFO L226 Difference]: Without dead ends: 120
[2024-11-08 19:06:34,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=95, Invalid=554, Unknown=1, NotChecked=0, Total=650
[2024-11-08 19:06:34,442 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 29 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-08 19:06:34,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 108 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-08 19:06:34,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states.
[2024-11-08 19:06:34,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 104.
[2024-11-08 19:06:34,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 101 states have (on average 1.2376237623762376) internal successors, (125), 103 states have internal predecessors, (125), 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 19:06:34,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 125 transitions.
[2024-11-08 19:06:34,465 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 125 transitions. Word has length 32
[2024-11-08 19:06:34,466 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:06:34,466 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 125 transitions.
[2024-11-08 19:06:34,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 2.5) internal successors, (60), 25 states have internal predecessors, (60), 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 19:06:34,466 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions.
[2024-11-08 19:06:34,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2024-11-08 19:06:34,467 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:06:34,467 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:06:34,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2024-11-08 19:06:34,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-11-08 19:06:34,668 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-08 19:06:34,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:06:34,668 INFO L85 PathProgramCache]: Analyzing trace with hash -919624932, now seen corresponding path program 3 times
[2024-11-08 19:06:34,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:06:34,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914515394]
[2024-11-08 19:06:34,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:06:34,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:06:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 19:06:34,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1220118226]
[2024-11-08 19:06:34,689 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-08 19:06:34,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:06:34,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:06:34,691 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:06:34,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-11-08 19:06:34,803 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2024-11-08 19:06:34,803 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 19:06:34,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 36 conjuncts are in the unsatisfiable core
[2024-11-08 19:06:34,807 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 19:06:34,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-11-08 19:06:35,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11
[2024-11-08 19:06:35,429 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-08 19:06:35,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 29
[2024-11-08 19:06:35,472 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 19:06:35,473 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 19:06:36,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 74
[2024-11-08 19:06:36,599 INFO L349 Elim1Store]: treesize reduction 5, result has 83.9 percent of original size
[2024-11-08 19:06:36,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 144 treesize of output 141
[2024-11-08 19:06:38,123 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-11-08 19:06:38,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:06:38,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914515394]
[2024-11-08 19:06:38,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-08 19:06:38,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220118226]
[2024-11-08 19:06:38,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220118226] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 19:06:38,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-08 19:06:38,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 14] total 32
[2024-11-08 19:06:38,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964223522]
[2024-11-08 19:06:38,124 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-08 19:06:38,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states
[2024-11-08 19:06:38,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:06:38,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants.
[2024-11-08 19:06:38,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=896, Unknown=0, NotChecked=0, Total=1056
[2024-11-08 19:06:38,126 INFO L87 Difference]: Start difference. First operand 104 states and 125 transitions. Second operand has 33 states, 32 states have (on average 1.78125) internal successors, (57), 33 states have internal predecessors, (57), 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 19:06:41,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 19:06:41,659 INFO L93 Difference]: Finished difference Result 144 states and 170 transitions.
[2024-11-08 19:06:41,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states.
[2024-11-08 19:06:41,659 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 1.78125) internal successors, (57), 33 states have internal predecessors, (57), 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 32
[2024-11-08 19:06:41,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 19:06:41,660 INFO L225 Difference]: With dead ends: 144
[2024-11-08 19:06:41,660 INFO L226 Difference]: Without dead ends: 143
[2024-11-08 19:06:41,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 804 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=472, Invalid=2390, Unknown=0, NotChecked=0, Total=2862
[2024-11-08 19:06:41,662 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 119 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-08 19:06:41,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 54 Invalid, 549 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-08 19:06:41,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states.
[2024-11-08 19:06:41,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 98.
[2024-11-08 19:06:41,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 95 states have (on average 1.1894736842105262) internal successors, (113), 97 states have internal predecessors, (113), 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 19:06:41,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 113 transitions.
[2024-11-08 19:06:41,681 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 113 transitions. Word has length 32
[2024-11-08 19:06:41,681 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 19:06:41,681 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 113 transitions.
[2024-11-08 19:06:41,681 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 1.78125) internal successors, (57), 33 states have internal predecessors, (57), 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 19:06:41,682 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 113 transitions.
[2024-11-08 19:06:41,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-11-08 19:06:41,683 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 19:06:41,683 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:06:41,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2024-11-08 19:06:41,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:06:41,887 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-08 19:06:41,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:06:41,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1556398261, now seen corresponding path program 2 times
[2024-11-08 19:06:41,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:06:41,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463610461]
[2024-11-08 19:06:41,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:06:41,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:06:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-08 19:06:41,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1254447667]
[2024-11-08 19:06:41,909 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 19:06:41,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:06:41,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:06:41,911 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 19:06:41,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-11-08 19:06:41,988 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-08 19:06:41,988 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat
[2024-11-08 19:06:41,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 19:06:42,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 19:06:42,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 19:06:42,029 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 19:06:42,031 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-11-08 19:06:42,033 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-11-08 19:06:42,033 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-11-08 19:06:42,033 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-11-08 19:06:42,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2024-11-08 19:06:42,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 19:06:42,237 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:06:42,265 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 19:06:42,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:06:42 BoogieIcfgContainer
[2024-11-08 19:06:42,270 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 19:06:42,271 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 19:06:42,271 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 19:06:42,272 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 19:06:42,272 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:05:25" (3/4) ...
[2024-11-08 19:06:42,273 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-08 19:06:42,331 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 19:06:42,332 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 19:06:42,332 INFO L158 Benchmark]: Toolchain (without parser) took 78067.52ms. Allocated memory was 125.8MB in the beginning and 188.7MB in the end (delta: 62.9MB). Free memory was 87.5MB in the beginning and 153.6MB in the end (delta: -66.1MB). Peak memory consumption was 107.3MB. Max. memory is 16.1GB.
[2024-11-08 19:06:42,333 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory was 89.8MB in the beginning and 89.7MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 19:06:42,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 627.98ms. Allocated memory is still 125.8MB. Free memory was 87.2MB in the beginning and 67.2MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2024-11-08 19:06:42,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.03ms. Allocated memory is still 125.8MB. Free memory was 67.2MB in the beginning and 65.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 19:06:42,334 INFO L158 Benchmark]: Boogie Preprocessor took 50.13ms. Allocated memory is still 125.8MB. Free memory was 65.2MB in the beginning and 63.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 19:06:42,334 INFO L158 Benchmark]: RCFGBuilder took 490.15ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 63.4MB in the beginning and 120.9MB in the end (delta: -57.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB.
[2024-11-08 19:06:42,334 INFO L158 Benchmark]: TraceAbstraction took 76782.58ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 120.0MB in the beginning and 45.7MB in the end (delta: 74.3MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB.
[2024-11-08 19:06:42,334 INFO L158 Benchmark]: Witness Printer took 60.77ms. Allocated memory is still 188.7MB. Free memory was 45.7MB in the beginning and 153.6MB in the end (delta: -107.9MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB.
[2024-11-08 19:06:42,336 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory was 89.8MB in the beginning and 89.7MB in the end (delta: 28.1kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 627.98ms. Allocated memory is still 125.8MB. Free memory was 87.2MB in the beginning and 67.2MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 48.03ms. Allocated memory is still 125.8MB. Free memory was 67.2MB in the beginning and 65.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 50.13ms. Allocated memory is still 125.8MB. Free memory was 65.2MB in the beginning and 63.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 490.15ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 63.4MB in the beginning and 120.9MB in the end (delta: -57.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 76782.58ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 120.0MB in the beginning and 45.7MB in the end (delta: 74.3MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB.
* Witness Printer took 60.77ms. Allocated memory is still 188.7MB. Free memory was 45.7MB in the beginning and 153.6MB in the end (delta: -107.9MB). Peak memory consumption was 2.2MB. 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
- CounterExampleResult [Line: 378]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L365] int i, j;
[L366] int length = __VERIFIER_nondet_int();
[L367] COND FALSE !(length < 1)
VAL [length=3]
[L368] int *arr = __builtin_alloca(length*sizeof(int));
VAL [arr={2:0}, length=3]
[L369] COND FALSE !(!arr)
[L370] i=0
VAL [arr={2:0}, i=0, length=3]
[L370] COND FALSE !(i<length)
[L370] COND TRUE i<length
[L371] arr[i] = __VERIFIER_nondet_int()
[L372] EXPR arr[i]
[L372] COND TRUE arr[i] < 1
[L373] arr[i] = 1
[L370] i++
VAL [arr={2:0}, i=1, length=3]
[L370] COND FALSE !(i<length)
[L370] COND TRUE i<length
[L371] arr[i] = __VERIFIER_nondet_int()
[L372] EXPR arr[i]
[L372] COND FALSE !(arr[i] < 1)
[L370] i++
VAL [arr={2:0}, i=2, length=3]
[L370] COND FALSE !(i<length)
[L370] COND TRUE i<length
[L371] arr[i] = __VERIFIER_nondet_int()
[L372] EXPR arr[i]
[L372] COND FALSE !(arr[i] < 1)
[L370] i++
VAL [arr={2:0}, i=3, length=3]
[L370] COND TRUE i<length
[L376] j = 1
VAL [arr={2:0}, j=1, length=3]
[L377] COND FALSE !(1 <= j && j < length)
[L377] COND TRUE 1 <= j && j < length
[L378] EXPR arr[j]
[L378] EXPR j * arr[j]
[L378] j = j * arr[j]
[L377] COND FALSE !(1 <= j && j < length)
[L377] COND TRUE 1 <= j && j < length
[L378] EXPR arr[j]
[L378] j * arr[j]
VAL [arr={2:0}, length=3]
- UnprovableResult [Line: 370]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 370]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 378]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 76.7s, OverallIterations: 14, TraceHistogramMax: 3, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 29.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 478 SdHoareTripleChecker+Valid, 16.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 478 mSDsluCounter, 962 SdHoareTripleChecker+Invalid, 16.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 786 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2586 IncrementalHoareTripleChecker+Invalid, 2668 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 176 mSDtfsCounter, 2586 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 551 GetRequests, 301 SyntacticMatches, 6 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2008 ImplicationChecksByTransitivity, 39.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=12, InterpolantAutomatonStates: 187, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 121 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 42.9s InterpolantComputationTime, 592 NumberOfCodeBlocks, 592 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 533 ConstructedInterpolants, 95 QuantifiedInterpolants, 9428 SizeOfPredicates, 53 NumberOfNonLiveVariables, 886 ConjunctsInSsa, 174 ConjunctsInUnsatCore, 26 InterpolantComputations, 4 PerfectInterpolantSequences, 18/237 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
RESULT: Ultimate proved your program to be incorrect!
[2024-11-08 19:06:42,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53c6368-d0b1-4574-bf3c-3177092a4d70/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)