./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/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_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/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_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/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 abd4a3c7dd9fc6dd788312e2749fb84e8465aaabcc51ba8052404af690a1a44e
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:28:18,251 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:28:18,368 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-08 17:28:18,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:28:18,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:28:18,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:28:18,425 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:28:18,425 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:28:18,426 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:28:18,428 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:28:18,429 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:28:18,430 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:28:18,431 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:28:18,431 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:28:18,431 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:28:18,432 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:28:18,432 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:28:18,432 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:28:18,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:28:18,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:28:18,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:28:18,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:28:18,439 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:28:18,439 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 17:28:18,439 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 17:28:18,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:28:18,440 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:28:18,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:28:18,441 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:28:18,441 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:28:18,442 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:28:18,442 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:28:18,442 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:28:18,443 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:28:18,443 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:28:18,443 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 17:28:18,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 17:28:18,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:28:18,444 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:28:18,445 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:28:18,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:28:18,446 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_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abd4a3c7dd9fc6dd788312e2749fb84e8465aaabcc51ba8052404af690a1a44e
[2024-11-08 17:28:18,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:28:18,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:28:18,896 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:28:18,898 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:28:18,899 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:28:18,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a.c
Unable to find full path for "g++"
[2024-11-08 17:28:21,222 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:28:21,448 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:28:21,449 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2a.c
[2024-11-08 17:28:21,460 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/bin/uautomizer-verify-jihMAELWvX/data/80744942f/926f4514e8c7485ebf44ee37593e0384/FLAGe30b6f742
[2024-11-08 17:28:21,483 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/bin/uautomizer-verify-jihMAELWvX/data/80744942f/926f4514e8c7485ebf44ee37593e0384
[2024-11-08 17:28:21,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:28:21,488 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:28:21,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:28:21,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:28:21,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:28:21,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:28:21" (1/1) ...
[2024-11-08 17:28:21,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e7e4687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:21, skipping insertion in model container
[2024-11-08 17:28:21,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:28:21" (1/1) ...
[2024-11-08 17:28:21,532 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:28:21,799 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:28:21,808 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:28:21,823 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:28:21,842 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:28:21,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:21 WrapperNode
[2024-11-08 17:28:21,843 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:28:21,845 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:28:21,845 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:28:21,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:28:21,853 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:21" (1/1) ...
[2024-11-08 17:28:21,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:21" (1/1) ...
[2024-11-08 17:28:21,875 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44
[2024-11-08 17:28:21,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:28:21,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:28:21,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:28:21,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:28:21,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:21" (1/1) ...
[2024-11-08 17:28:21,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:21" (1/1) ...
[2024-11-08 17:28:21,888 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:21" (1/1) ...
[2024-11-08 17:28:21,895 INFO L175 MemorySlicer]: No memory access in input program.
[2024-11-08 17:28:21,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:21" (1/1) ...
[2024-11-08 17:28:21,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:21" (1/1) ...
[2024-11-08 17:28:21,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:21" (1/1) ...
[2024-11-08 17:28:21,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:21" (1/1) ...
[2024-11-08 17:28:21,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:21" (1/1) ...
[2024-11-08 17:28:21,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:21" (1/1) ...
[2024-11-08 17:28:21,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:28:21,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:28:21,906 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:28:21,906 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:28:21,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:21" (1/1) ...
[2024-11-08 17:28:21,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:28:21,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:28:21,941 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:28:21,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:28:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:28:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:28:22,063 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:28:22,066 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:28:22,262 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live.
[2024-11-08 17:28:22,263 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:28:22,285 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:28:22,285 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 17:28:22,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:28:22 BoogieIcfgContainer
[2024-11-08 17:28:22,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:28:22,289 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:28:22,289 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:28:22,293 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:28:22,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:28:21" (1/3) ...
[2024-11-08 17:28:22,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740c0230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:28:22, skipping insertion in model container
[2024-11-08 17:28:22,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:28:21" (2/3) ...
[2024-11-08 17:28:22,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@740c0230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:28:22, skipping insertion in model container
[2024-11-08 17:28:22,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:28:22" (3/3) ...
[2024-11-08 17:28:22,297 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-Fig2a.c
[2024-11-08 17:28:22,317 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:28:22,318 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations.
[2024-11-08 17:28:22,405 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:28:22,416 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;@471d7644, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:28:22,418 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2024-11-08 17:28:22,424 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 20 states have (on average 1.75) internal successors, (35), 30 states have internal predecessors, (35), 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 17:28:22,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-11-08 17:28:22,432 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:28:22,433 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-11-08 17:28:22,435 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 17:28:22,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:28:22,443 INFO L85 PathProgramCache]: Analyzing trace with hash 28694852, now seen corresponding path program 1 times
[2024-11-08 17:28:22,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:28:22,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649924811]
[2024-11-08 17:28:22,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:28:22,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:28:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:28:22,685 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 17:28:22,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:28:22,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649924811]
[2024-11-08 17:28:22,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649924811] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:28:22,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:28:22,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 17:28:22,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105855478]
[2024-11-08 17:28:22,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:28:22,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:28:22,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:28:22,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:28:22,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:28:22,737 INFO L87 Difference]: Start difference. First operand has 31 states, 20 states have (on average 1.75) internal successors, (35), 30 states have internal predecessors, (35), 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 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 17:28:22,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:28:22,842 INFO L93 Difference]: Finished difference Result 59 states and 68 transitions.
[2024-11-08 17:28:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 17:28:22,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5
[2024-11-08 17:28:22,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:28:22,854 INFO L225 Difference]: With dead ends: 59
[2024-11-08 17:28:22,854 INFO L226 Difference]: Without dead ends: 26
[2024-11-08 17:28:22,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:28:22,862 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 1 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:28:22,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 39 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:28:22,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-11-08 17:28:22,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2024-11-08 17:28:22,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 25 states have internal predecessors, (28), 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 17:28:22,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions.
[2024-11-08 17:28:22,901 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 5
[2024-11-08 17:28:22,902 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:28:22,902 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions.
[2024-11-08 17:28:22,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 17:28:22,903 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions.
[2024-11-08 17:28:22,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-08 17:28:22,903 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:28:22,903 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-08 17:28:22,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 17:28:22,904 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 17:28:22,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:28:22,905 INFO L85 PathProgramCache]: Analyzing trace with hash 889540457, now seen corresponding path program 1 times
[2024-11-08 17:28:22,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:28:22,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985323508]
[2024-11-08 17:28:22,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:28:22,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:28:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:28:22,949 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 17:28:22,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:28:22,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985323508]
[2024-11-08 17:28:22,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985323508] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:28:22,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:28:22,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 17:28:22,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481527402]
[2024-11-08 17:28:22,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:28:22,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:28:22,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:28:22,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:28:22,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:28:22,954 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 17:28:23,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:28:23,015 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions.
[2024-11-08 17:28:23,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 17:28:23,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6
[2024-11-08 17:28:23,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:28:23,019 INFO L225 Difference]: With dead ends: 26
[2024-11-08 17:28:23,019 INFO L226 Difference]: Without dead ends: 24
[2024-11-08 17:28:23,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:28:23,023 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 14 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:28:23,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 11 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:28:23,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2024-11-08 17:28:23,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2024-11-08 17:28:23,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 23 states have internal predecessors, (26), 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 17:28:23,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions.
[2024-11-08 17:28:23,029 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 6
[2024-11-08 17:28:23,029 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:28:23,029 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions.
[2024-11-08 17:28:23,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 17:28:23,030 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions.
[2024-11-08 17:28:23,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-08 17:28:23,030 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:28:23,031 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:28:23,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 17:28:23,031 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 17:28:23,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:28:23,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1805950438, now seen corresponding path program 1 times
[2024-11-08 17:28:23,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:28:23,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397316858]
[2024-11-08 17:28:23,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:28:23,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:28:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:28:23,134 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 17:28:23,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:28:23,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397316858]
[2024-11-08 17:28:23,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397316858] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:28:23,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:28:23,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:28:23,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699875910]
[2024-11-08 17:28:23,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:28:23,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 17:28:23,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:28:23,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 17:28:23,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:28:23,143 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:28:23,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:28:23,351 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions.
[2024-11-08 17:28:23,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 17:28:23,352 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2024-11-08 17:28:23,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:28:23,353 INFO L225 Difference]: With dead ends: 40
[2024-11-08 17:28:23,354 INFO L226 Difference]: Without dead ends: 39
[2024-11-08 17:28:23,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-11-08 17:28:23,356 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 16 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:28:23,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 33 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:28:23,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2024-11-08 17:28:23,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 29.
[2024-11-08 17:28:23,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 28 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 17:28:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions.
[2024-11-08 17:28:23,366 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 7
[2024-11-08 17:28:23,367 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:28:23,367 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions.
[2024-11-08 17:28:23,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:28:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions.
[2024-11-08 17:28:23,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-08 17:28:23,368 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:28:23,368 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:28:23,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 17:28:23,369 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] ===
[2024-11-08 17:28:23,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:28:23,370 INFO L85 PathProgramCache]: Analyzing trace with hash 149888779, now seen corresponding path program 1 times
[2024-11-08 17:28:23,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:28:23,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559194893]
[2024-11-08 17:28:23,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:28:23,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:28:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:28:23,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 17:28:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:28:23,413 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 17:28:23,413 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 17:28:23,414 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining)
[2024-11-08 17:28:23,417 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining)
[2024-11-08 17:28:23,417 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining)
[2024-11-08 17:28:23,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining)
[2024-11-08 17:28:23,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining)
[2024-11-08 17:28:23,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining)
[2024-11-08 17:28:23,419 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining)
[2024-11-08 17:28:23,419 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining)
[2024-11-08 17:28:23,419 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining)
[2024-11-08 17:28:23,420 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining)
[2024-11-08 17:28:23,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 17:28:23,424 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-08 17:28:23,443 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 17:28:23,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:28:23 BoogieIcfgContainer
[2024-11-08 17:28:23,449 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 17:28:23,454 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 17:28:23,454 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 17:28:23,454 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 17:28:23,455 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:28:22" (3/4) ...
[2024-11-08 17:28:23,456 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-08 17:28:23,506 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 17:28:23,506 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 17:28:23,511 INFO L158 Benchmark]: Toolchain (without parser) took 2019.47ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 105.8MB in the beginning and 151.7MB in the end (delta: -45.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB.
[2024-11-08 17:28:23,511 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 146.8MB. Free memory was 121.7MB in the beginning and 121.5MB in the end (delta: 179.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:28:23,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.15ms. Allocated memory is still 146.8MB. Free memory was 105.8MB in the beginning and 94.4MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 17:28:23,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.28ms. Allocated memory is still 146.8MB. Free memory was 94.4MB in the beginning and 92.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:28:23,512 INFO L158 Benchmark]: Boogie Preprocessor took 29.20ms. Allocated memory is still 146.8MB. Free memory was 92.7MB in the beginning and 91.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 17:28:23,513 INFO L158 Benchmark]: RCFGBuilder took 380.07ms. Allocated memory is still 146.8MB. Free memory was 91.5MB in the beginning and 80.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-11-08 17:28:23,513 INFO L158 Benchmark]: TraceAbstraction took 1160.69ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 79.7MB in the beginning and 153.7MB in the end (delta: -74.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:28:23,514 INFO L158 Benchmark]: Witness Printer took 52.98ms. Allocated memory is still 209.7MB. Free memory was 153.7MB in the beginning and 151.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 17:28:23,518 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.39ms. Allocated memory is still 146.8MB. Free memory was 121.7MB in the beginning and 121.5MB in the end (delta: 179.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 352.15ms. Allocated memory is still 146.8MB. Free memory was 105.8MB in the beginning and 94.4MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 30.28ms. Allocated memory is still 146.8MB. Free memory was 94.4MB in the beginning and 92.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 29.20ms. Allocated memory is still 146.8MB. Free memory was 92.7MB in the beginning and 91.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 380.07ms. Allocated memory is still 146.8MB. Free memory was 91.5MB in the beginning and 80.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 1160.69ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 79.7MB in the beginning and 153.7MB in the end (delta: -74.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 52.98ms. Allocated memory is still 209.7MB. Free memory was 153.7MB in the beginning and 151.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. 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: 19]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L14] int x, y;
[L15] x = __VERIFIER_nondet_int()
[L16] y = __VERIFIER_nondet_int()
[L17] COND FALSE !(x >= 2)
VAL [x=2, y=2147483647]
[L17] COND TRUE x >= 2
VAL [x=2, y=2147483647]
[L18] EXPR x - 1
[L18] x = x - 1
VAL [x=1, y=2147483647]
[L19] y + x
- UnprovableResult [Line: 18]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 18]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 19]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 21]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 21]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 23]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 23]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 24]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 24]: 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, 31 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 83 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 49 mSDtfsCounter, 112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-11-08 17:28:23,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81dc3e65-76d7-4f5b-9c69-4e2a8cd8a843/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)