./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark07_linear.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08956620-48d2-4d5f-ad49-bed806f14aa2/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08956620-48d2-4d5f-ad49-bed806f14aa2/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_08956620-48d2-4d5f-ad49-bed806f14aa2/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08956620-48d2-4d5f-ad49-bed806f14aa2/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark07_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08956620-48d2-4d5f-ad49-bed806f14aa2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08956620-48d2-4d5f-ad49-bed806f14aa2/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2a73419fb64daa6d7ad78ec2e7248d3c39562a5784dfcea53eb2425fcf193a59
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:39:29,832 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:39:29,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08956620-48d2-4d5f-ad49-bed806f14aa2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-08 16:39:29,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:39:29,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:39:29,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:39:29,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:39:29,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:39:29,944 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 16:39:29,944 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 16:39:29,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:39:29,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:39:29,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:39:29,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 16:39:29,946 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 16:39:29,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:39:29,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:39:29,947 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 16:39:29,947 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 16:39:29,948 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 16:39:29,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 16:39:29,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:39:29,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:39:29,949 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:39:29,949 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 16:39:29,950 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 16:39:29,950 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 16:39:29,950 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 16:39:29,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 16:39:29,951 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 16:39:29,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:39:29,952 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 16:39:29,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 16:39:29,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 16:39:29,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:39:29,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:39:29,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:39:29,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:39:29,961 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 16:39:29,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 16:39:29,962 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:39:29,962 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:39:29,963 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:39:29,963 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:39:29,963 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_08956620-48d2-4d5f-ad49-bed806f14aa2/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08956620-48d2-4d5f-ad49-bed806f14aa2/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a73419fb64daa6d7ad78ec2e7248d3c39562a5784dfcea53eb2425fcf193a59
[2024-11-08 16:39:30,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:39:30,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:39:30,296 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:39:30,297 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 16:39:30,298 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 16:39:30,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08956620-48d2-4d5f-ad49-bed806f14aa2/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/loop-zilu/benchmark07_linear.i
Unable to find full path for "g++"
[2024-11-08 16:39:32,240 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:39:32,443 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 16:39:32,444 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08956620-48d2-4d5f-ad49-bed806f14aa2/sv-benchmarks/c/loop-zilu/benchmark07_linear.i
[2024-11-08 16:39:32,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08956620-48d2-4d5f-ad49-bed806f14aa2/bin/uautomizer-verify-jihMAELWvX/data/bf0ab65a9/3388086a408340f2b7acc29fd7f23dbf/FLAGff5583479
[2024-11-08 16:39:32,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08956620-48d2-4d5f-ad49-bed806f14aa2/bin/uautomizer-verify-jihMAELWvX/data/bf0ab65a9/3388086a408340f2b7acc29fd7f23dbf
[2024-11-08 16:39:32,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:39:32,473 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:39:32,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:39:32,474 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:39:32,481 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:39:32,482 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:39:32" (1/1) ...
[2024-11-08 16:39:32,483 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581af431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:32, skipping insertion in model container
[2024-11-08 16:39:32,483 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:39:32" (1/1) ...
[2024-11-08 16:39:32,515 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:39:32,806 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:39:32,818 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 16:39:32,837 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:39:32,858 INFO L204 MainTranslator]: Completed translation
[2024-11-08 16:39:32,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:32 WrapperNode
[2024-11-08 16:39:32,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:39:32,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:39:32,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:39:32,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:39:32,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:32" (1/1) ...
[2024-11-08 16:39:32,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:32" (1/1) ...
[2024-11-08 16:39:32,904 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51
[2024-11-08 16:39:32,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:39:32,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:39:32,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:39:32,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:39:32,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:32" (1/1) ...
[2024-11-08 16:39:32,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:32" (1/1) ...
[2024-11-08 16:39:32,928 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:32" (1/1) ...
[2024-11-08 16:39:32,959 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 16:39:32,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:32" (1/1) ...
[2024-11-08 16:39:32,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:32" (1/1) ...
[2024-11-08 16:39:32,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:32" (1/1) ...
[2024-11-08 16:39:32,972 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:32" (1/1) ...
[2024-11-08 16:39:32,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:32" (1/1) ...
[2024-11-08 16:39:32,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:32" (1/1) ...
[2024-11-08 16:39:32,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:39:32,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:39:32,978 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:39:32,978 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:39:32,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:32" (1/1) ...
[2024-11-08 16:39:32,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:39:33,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08956620-48d2-4d5f-ad49-bed806f14aa2/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:39:33,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08956620-48d2-4d5f-ad49-bed806f14aa2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:39:33,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08956620-48d2-4d5f-ad49-bed806f14aa2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:39:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:39:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 16:39:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:39:33,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:39:33,138 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 16:39:33,141 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:39:33,371 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live.
[2024-11-08 16:39:33,372 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 16:39:33,389 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:39:33,390 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 16:39:33,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:39:33 BoogieIcfgContainer
[2024-11-08 16:39:33,391 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:39:33,394 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:39:33,396 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:39:33,400 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:39:33,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:39:32" (1/3) ...
[2024-11-08 16:39:33,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632e27a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:39:33, skipping insertion in model container
[2024-11-08 16:39:33,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:39:32" (2/3) ...
[2024-11-08 16:39:33,403 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@632e27a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:39:33, skipping insertion in model container
[2024-11-08 16:39:33,403 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:39:33" (3/3) ...
[2024-11-08 16:39:33,405 INFO L112 eAbstractionObserver]: Analyzing ICFG benchmark07_linear.i
[2024-11-08 16:39:33,421 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:39:33,421 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2024-11-08 16:39:33,498 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:39:33,507 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;@16f13037, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:39:33,508 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-11-08 16:39:33,514 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 19 states have (on average 1.631578947368421) 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 16:39:33,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-08 16:39:33,524 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:39:33,525 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-08 16:39:33,527 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 16:39:33,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:39:33,536 INFO L85 PathProgramCache]: Analyzing trace with hash 889570344, now seen corresponding path program 1 times
[2024-11-08 16:39:33,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:39:33,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678474158]
[2024-11-08 16:39:33,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:39:33,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:39:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:39:33,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:39:33,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:39:33,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678474158]
[2024-11-08 16:39:33,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678474158] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:39:33,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:39:33,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 16:39:33,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513825330]
[2024-11-08 16:39:33,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:39:33,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 16:39:33,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:39:33,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 16:39:33,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 16:39:33,953 INFO L87 Difference]: Start difference. First operand has 26 states, 19 states have (on average 1.631578947368421) 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) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 16:39:34,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:39:34,040 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions.
[2024-11-08 16:39:34,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 16:39:34,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 16:39:34,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:39:34,051 INFO L225 Difference]: With dead ends: 37
[2024-11-08 16:39:34,051 INFO L226 Difference]: Without dead ends: 22
[2024-11-08 16:39:34,054 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 16:39:34,058 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 16:39:34,060 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 58 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 16:39:34,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2024-11-08 16:39:34,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22.
[2024-11-08 16:39:34,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.4375) internal successors, (23), 21 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:39:34,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions.
[2024-11-08 16:39:34,092 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 6
[2024-11-08 16:39:34,092 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:39:34,092 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions.
[2024-11-08 16:39:34,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:39:34,093 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions.
[2024-11-08 16:39:34,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-08 16:39:34,093 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:39:34,094 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:39:34,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 16:39:34,094 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 16:39:34,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:39:34,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1241951532, now seen corresponding path program 1 times
[2024-11-08 16:39:34,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:39:34,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571654244]
[2024-11-08 16:39:34,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:39:34,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:39:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:39:34,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:39:34,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:39:34,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571654244]
[2024-11-08 16:39:34,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571654244] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:39:34,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:39:34,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 16:39:34,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078812193]
[2024-11-08 16:39:34,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:39:34,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 16:39:34,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:39:34,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 16:39:34,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:39:34,164 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:39:34,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:39:34,183 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions.
[2024-11-08 16:39:34,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 16:39:34,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-11-08 16:39:34,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:39:34,185 INFO L225 Difference]: With dead ends: 22
[2024-11-08 16:39:34,185 INFO L226 Difference]: Without dead ends: 20
[2024-11-08 16:39:34,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 16:39:34,187 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 5 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 16:39:34,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 12 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 16:39:34,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2024-11-08 16:39:34,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20.
[2024-11-08 16:39:34,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.3125) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:39:34,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions.
[2024-11-08 16:39:34,193 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 9
[2024-11-08 16:39:34,193 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:39:34,193 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions.
[2024-11-08 16:39:34,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:39:34,194 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions.
[2024-11-08 16:39:34,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-08 16:39:34,195 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:39:34,195 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:39:34,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 16:39:34,196 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 16:39:34,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:39:34,196 INFO L85 PathProgramCache]: Analyzing trace with hash -154208115, now seen corresponding path program 1 times
[2024-11-08 16:39:34,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:39:34,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223401679]
[2024-11-08 16:39:34,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:39:34,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:39:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 16:39:34,228 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 16:39:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 16:39:34,275 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 16:39:34,277 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 16:39:34,279 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining)
[2024-11-08 16:39:34,281 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining)
[2024-11-08 16:39:34,282 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining)
[2024-11-08 16:39:34,282 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining)
[2024-11-08 16:39:34,283 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining)
[2024-11-08 16:39:34,283 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining)
[2024-11-08 16:39:34,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 16:39:34,288 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-08 16:39:34,306 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 16:39:34,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:39:34 BoogieIcfgContainer
[2024-11-08 16:39:34,309 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 16:39:34,310 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 16:39:34,310 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 16:39:34,311 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 16:39:34,311 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:39:33" (3/4) ...
[2024-11-08 16:39:34,312 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-08 16:39:34,350 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08956620-48d2-4d5f-ad49-bed806f14aa2/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 16:39:34,350 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 16:39:34,351 INFO L158 Benchmark]: Toolchain (without parser) took 1877.97ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 61.0MB in the beginning and 76.0MB in the end (delta: -15.0MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB.
[2024-11-08 16:39:34,351 INFO L158 Benchmark]: CDTParser took 1.40ms. Allocated memory is still 123.7MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:39:34,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.61ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 60.9MB in the beginning and 128.9MB in the end (delta: -68.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB.
[2024-11-08 16:39:34,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.16ms. Allocated memory is still 167.8MB. Free memory was 128.9MB in the beginning and 127.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:39:34,353 INFO L158 Benchmark]: Boogie Preprocessor took 68.91ms. Allocated memory is still 167.8MB. Free memory was 127.5MB in the beginning and 125.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:39:34,353 INFO L158 Benchmark]: RCFGBuilder took 414.12ms. Allocated memory is still 167.8MB. Free memory was 125.7MB in the beginning and 114.3MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 16:39:34,354 INFO L158 Benchmark]: TraceAbstraction took 915.20ms. Allocated memory is still 167.8MB. Free memory was 113.7MB in the beginning and 78.1MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB.
[2024-11-08 16:39:34,354 INFO L158 Benchmark]: Witness Printer took 40.01ms. Allocated memory is still 167.8MB. Free memory was 78.1MB in the beginning and 76.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:39:34,357 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.40ms. Allocated memory is still 123.7MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 385.61ms. Allocated memory was 123.7MB in the beginning and 167.8MB in the end (delta: 44.0MB). Free memory was 60.9MB in the beginning and 128.9MB in the end (delta: -68.0MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 44.16ms. Allocated memory is still 167.8MB. Free memory was 128.9MB in the beginning and 127.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 68.91ms. Allocated memory is still 167.8MB. Free memory was 127.5MB in the beginning and 125.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 414.12ms. Allocated memory is still 167.8MB. Free memory was 125.7MB in the beginning and 114.3MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 915.20ms. Allocated memory is still 167.8MB. Free memory was 113.7MB in the beginning and 78.1MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB.
* Witness Printer took 40.01ms. Allocated memory is still 167.8MB. Free memory was 78.1MB in the beginning and 76.0MB in the end (delta: 2.1MB). 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: 28]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L20] int i = __VERIFIER_nondet_int();
[L21] int n = __VERIFIER_nondet_int();
[L22] int k = __VERIFIER_nondet_int();
[L23] _Bool flag = __VERIFIER_nondet_bool();
[L24] i=0
VAL [flag=1, i=0, k=2147479648, n=1]
[L25] COND FALSE !(!(n>0 && n<10))
VAL [flag=1, i=0, k=2147479648, n=1]
[L26] COND FALSE !(i<n)
VAL [flag=1, i=0, k=2147479648, n=1]
[L26] COND TRUE i<n
[L27] i++
VAL [flag=1, i=1, k=2147479648, n=1]
[L28] COND TRUE \read(flag)
VAL [flag=1, i=1, k=2147479648, n=1]
[L28] k+=4000
VAL [flag=1, i=1, n=1]
- UnprovableResult [Line: 27]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 27]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 29]: 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, 26 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 70 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 33 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 7, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 16:39:34,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08956620-48d2-4d5f-ad49-bed806f14aa2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)