./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/ex3b-alloca.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/ex3b-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1 --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 f23478267c7db041e0d430f7852fa8cba288847df5f5dded3d7c2138de17e1ef
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:38:03,701 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:38:03,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-12-02 15:38:03,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:38:03,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:38:03,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:38:03,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:38:03,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:38:03,787 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 15:38:03,787 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 15:38:03,787 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 15:38:03,787 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 15:38:03,787 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:38:03,788 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 15:38:03,788 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 15:38:03,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:38:03,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 15:38:03,788 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 15:38:03,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 15:38:03,788 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 15:38:03,788 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 15:38:03,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 15:38:03,789 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 15:38:03,789 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 15:38:03,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 15:38:03,789 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:38:03,789 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 15:38:03,789 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 15:38:03,789 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:38:03,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:38:03,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:38:03,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:38:03,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:38:03,790 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:38:03,790 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:38:03,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:38:03,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:38:03,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:38:03,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 15:38:03,790 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 15:38:03,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 15:38:03,790 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 15:38:03,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 15:38:03,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 15:38:03,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 15:38:03,791 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 15:38:03,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 15:38:03,791 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1
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 -> f23478267c7db041e0d430f7852fa8cba288847df5f5dded3d7c2138de17e1ef
[2024-12-02 15:38:04,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:38:04,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:38:04,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:38:04,041 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 15:38:04,041 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 15:38:04,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/termination-memory-alloca/ex3b-alloca.i
[2024-12-02 15:38:06,837 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/data/83af175bb/0fa562590c144de89f2db3ff86cf5f8a/FLAG6d862fae4
[2024-12-02 15:38:07,071 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 15:38:07,072 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/sv-benchmarks/c/termination-memory-alloca/ex3b-alloca.i
[2024-12-02 15:38:07,082 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/data/83af175bb/0fa562590c144de89f2db3ff86cf5f8a/FLAG6d862fae4
[2024-12-02 15:38:07,094 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/data/83af175bb/0fa562590c144de89f2db3ff86cf5f8a
[2024-12-02 15:38:07,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:38:07,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:38:07,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:38:07,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:38:07,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:38:07,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:38:07" (1/1) ...
[2024-12-02 15:38:07,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e5f2ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:07, skipping insertion in model container
[2024-12-02 15:38:07,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:38:07" (1/1) ...
[2024-12-02 15:38:07,128 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:38:07,325 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:38:07,334 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 15:38:07,370 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:38:07,391 INFO L204 MainTranslator]: Completed translation
[2024-12-02 15:38:07,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:07 WrapperNode
[2024-12-02 15:38:07,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:38:07,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:38:07,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:38:07,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:38:07,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:07" (1/1) ...
[2024-12-02 15:38:07,407 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:07" (1/1) ...
[2024-12-02 15:38:07,424 INFO L138 Inliner]: procedures = 111, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75
[2024-12-02 15:38:07,424 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:38:07,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:38:07,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:38:07,425 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:38:07,432 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:07" (1/1) ...
[2024-12-02 15:38:07,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:07" (1/1) ...
[2024-12-02 15:38:07,435 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:07" (1/1) ...
[2024-12-02 15:38:07,446 INFO L175 MemorySlicer]: Split 12 memory accesses to 3 slices as follows [2, 4, 6]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0]. The 5 writes are split as follows [1, 2, 2].
[2024-12-02 15:38:07,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:07" (1/1) ...
[2024-12-02 15:38:07,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:07" (1/1) ...
[2024-12-02 15:38:07,450 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:07" (1/1) ...
[2024-12-02 15:38:07,451 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:07" (1/1) ...
[2024-12-02 15:38:07,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:07" (1/1) ...
[2024-12-02 15:38:07,455 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:07" (1/1) ...
[2024-12-02 15:38:07,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:07" (1/1) ...
[2024-12-02 15:38:07,457 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:38:07,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:38:07,458 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:38:07,458 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:38:07,459 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:07" (1/1) ...
[2024-12-02 15:38:07,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:38:07,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:38:07,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 15:38:07,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:38:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-02 15:38:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-12-02 15:38:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-12-02 15:38:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 15:38:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-12-02 15:38:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-12-02 15:38:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-02 15:38:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 15:38:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:38:07,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:38:07,602 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 15:38:07,604 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:38:07,714 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live.
[2024-12-02 15:38:07,714 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 15:38:07,722 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:38:07,722 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 15:38:07,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:38:07 BoogieIcfgContainer
[2024-12-02 15:38:07,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:38:07,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 15:38:07,725 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 15:38:07,728 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 15:38:07,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:38:07" (1/3) ...
[2024-12-02 15:38:07,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5390e1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:38:07, skipping insertion in model container
[2024-12-02 15:38:07,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:38:07" (2/3) ...
[2024-12-02 15:38:07,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5390e1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:38:07, skipping insertion in model container
[2024-12-02 15:38:07,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:38:07" (3/3) ...
[2024-12-02 15:38:07,731 INFO L128 eAbstractionObserver]: Analyzing ICFG ex3b-alloca.i
[2024-12-02 15:38:07,742 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 15:38:07,743 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ex3b-alloca.i that has 1 procedures, 19 locations, 1 initial locations, 1 loop locations, and 4 error locations.
[2024-12-02 15:38:07,781 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:38:07,790 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;@2fb3aa1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:38:07,790 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-12-02 15:38:07,793 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 14 states have (on average 1.5) internal successors, (21), 18 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)
[2024-12-02 15:38:07,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-12-02 15:38:07,797 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:38:07,798 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:38:07,798 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 15:38:07,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:38:07,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1805892906, now seen corresponding path program 1 times
[2024-12-02 15:38:07,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:38:07,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60016262]
[2024-12-02 15:38:07,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:38:07,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:38:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-12-02 15:38:07,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1874430316]
[2024-12-02 15:38:07,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:38:07,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:38:07,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:38:07,918 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:38:07,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 15:38:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:38:08,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 15:38:08,029 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:38:08,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10
[2024-12-02 15:38:08,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:38:08,203 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:38:08,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:38:08,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60016262]
[2024-12-02 15:38:08,205 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-12-02 15:38:08,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874430316]
[2024-12-02 15:38:08,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874430316] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:38:08,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:38:08,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 15:38:08,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969611161]
[2024-12-02 15:38:08,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:38:08,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 15:38:08,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:38:08,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:38:08,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:38:08,237 INFO L87 Difference]: Start difference. First operand has 19 states, 14 states have (on average 1.5) internal successors, (21), 18 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) 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)
[2024-12-02 15:38:08,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:38:08,311 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions.
[2024-12-02 15:38:08,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 15:38:08,313 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
[2024-12-02 15:38:08,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:38:08,321 INFO L225 Difference]: With dead ends: 29
[2024-12-02 15:38:08,321 INFO L226 Difference]: Without dead ends: 16
[2024-12-02 15:38:08,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 15:38:08,327 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:38:08,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 34 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:38:08,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2024-12-02 15:38:08,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 13.
[2024-12-02 15:38:08,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.4) internal successors, (14), 12 states have internal predecessors, (14), 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)
[2024-12-02 15:38:08,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions.
[2024-12-02 15:38:08,358 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 7
[2024-12-02 15:38:08,358 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:38:08,358 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions.
[2024-12-02 15:38:08,358 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)
[2024-12-02 15:38:08,358 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions.
[2024-12-02 15:38:08,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-12-02 15:38:08,359 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:38:08,359 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:38:08,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 15:38:08,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-12-02 15:38:08,560 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 15:38:08,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:38:08,560 INFO L85 PathProgramCache]: Analyzing trace with hash 148105291, now seen corresponding path program 1 times
[2024-12-02 15:38:08,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:38:08,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529599659]
[2024-12-02 15:38:08,560 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:38:08,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:38:08,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-12-02 15:38:08,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [26445334]
[2024-12-02 15:38:08,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:38:08,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:38:08,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:38:08,596 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:38:08,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 15:38:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:38:08,681 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:38:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:38:08,708 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 15:38:08,708 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 15:38:08,709 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-12-02 15:38:08,711 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-12-02 15:38:08,711 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-12-02 15:38:08,711 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-12-02 15:38:08,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 15:38:08,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:38:08,914 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-12-02 15:38:08,932 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 15:38:08,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:38:08 BoogieIcfgContainer
[2024-12-02 15:38:08,934 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 15:38:08,935 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 15:38:08,935 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 15:38:08,935 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 15:38:08,936 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:38:07" (3/4) ...
[2024-12-02 15:38:08,936 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-12-02 15:38:08,962 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 3.
[2024-12-02 15:38:09,003 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 15:38:09,004 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 15:38:09,004 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 15:38:09,005 INFO L158 Benchmark]: Toolchain (without parser) took 1907.38ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 92.4MB in the end (delta: 25.4MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB.
[2024-12-02 15:38:09,005 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:38:09,005 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.55ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 101.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 15:38:09,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.61ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 100.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:38:09,006 INFO L158 Benchmark]: Boogie Preprocessor took 32.48ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 98.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:38:09,006 INFO L158 Benchmark]: RCFGBuilder took 265.53ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 86.9MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 15:38:09,006 INFO L158 Benchmark]: TraceAbstraction took 1209.79ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 96.7MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:38:09,006 INFO L158 Benchmark]: Witness Printer took 68.95ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 92.4MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:38:09,008 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 293.55ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 101.7MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 31.61ms. Allocated memory is still 142.6MB. Free memory was 101.7MB in the beginning and 100.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 32.48ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 98.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 265.53ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 86.9MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1209.79ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 96.7MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 68.95ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 92.4MB in the end (delta: 4.2MB). There was no memory consumed. 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: 556]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L562] CALL test_fun(__VERIFIER_nondet_int(),__VERIFIER_nondet_int())
[L549] int* x_ref = __builtin_alloca (sizeof(int));
[L550] int* y_ref = __builtin_alloca (sizeof(int));
[L551] int* c = __builtin_alloca (sizeof(int));
[L552] *x_ref = x
[L553] *y_ref = y
[L554] *c = 0
[L555] EXPR \read(*x_ref)
[L555] (*x_ref > 1) && (*x_ref < *y_ref)
VAL [c={3:0}, x_ref={2:0}, y_ref={4:0}]
[L555] (*x_ref > 1) && (*x_ref < *y_ref)
[L555] EXPR \read(*x_ref)
[L555] EXPR \read(*y_ref)
[L555] (*x_ref > 1) && (*x_ref < *y_ref)
VAL [c={3:0}, x_ref={2:0}, y_ref={4:0}]
[L555] COND TRUE (*x_ref > 1) && (*x_ref < *y_ref)
[L556] EXPR \read(*x_ref)
[L556] EXPR \read(*x_ref)
[L556] (*x_ref) * (*x_ref)
VAL [c={3:0}, x_ref={2:0}, y_ref={4:0}]
- UnprovableResult [Line: 556]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 557]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 557]: 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, 19 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 34 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 14 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 3 NumberOfNonLiveVariables, 88 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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, ConComCheckerStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-12-02 15:38:09,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86b53510-bcef-4215-aeba-b4fc19ffb4aa/bin/uautomizer-verify-84ZbGMXZE1/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)