./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_good.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC --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 429362202b2145e3be30cd3003cde8f8b3b4934a9f78436781c6356e5d162e2c
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:36:20,015 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:36:20,092 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-23 23:36:20,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:36:20,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:36:20,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:36:20,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:36:20,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:36:20,120 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:36:20,120 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:36:20,121 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:36:20,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:36:20,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:36:20,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:36:20,121 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:36:20,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:36:20,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 23:36:20,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:36:20,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:36:20,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 23:36:20,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:36:20,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 23:36:20,123 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-23 23:36:20,123 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 23:36:20,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:36:20,123 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:36:20,123 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:36:20,124 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:36:20,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:36:20,124 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:36:20,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:36:20,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:36:20,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:36:20,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:36:20,125 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:36:20,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:36:20,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:36:20,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:36:20,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:36:20,125 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 23:36:20,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 23:36:20,126 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 23:36:20,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 23:36:20,126 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:36:20,126 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:36:20,126 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:36:20,126 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:36:20,126 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_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC
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 -> 429362202b2145e3be30cd3003cde8f8b3b4934a9f78436781c6356e5d162e2c
[2024-11-23 23:36:20,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:36:20,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:36:20,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:36:20,436 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:36:20,436 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:36:20,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_good.i
[2024-11-23 23:36:23,580 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC/data/41453028d/8181be4c5d354ed5af78d84d7196d0d1/FLAGf0ae43943
[2024-11-23 23:36:23,981 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:36:23,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_67_good.i
[2024-11-23 23:36:24,015 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC/data/41453028d/8181be4c5d354ed5af78d84d7196d0d1/FLAGf0ae43943
[2024-11-23 23:36:24,029 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC/data/41453028d/8181be4c5d354ed5af78d84d7196d0d1
[2024-11-23 23:36:24,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:36:24,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:36:24,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:36:24,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:36:24,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:36:24,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:36:24" (1/1) ...
[2024-11-23 23:36:24,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:24, skipping insertion in model container
[2024-11-23 23:36:24,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:36:24" (1/1) ...
[2024-11-23 23:36:24,107 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:36:25,142 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:36:25,152 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:36:25,252 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:36:25,423 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:36:25,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:25 WrapperNode
[2024-11-23 23:36:25,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:36:25,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:36:25,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:36:25,425 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:36:25,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:25" (1/1) ...
[2024-11-23 23:36:25,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:25" (1/1) ...
[2024-11-23 23:36:25,503 INFO L138 Inliner]: procedures = 501, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 136
[2024-11-23 23:36:25,503 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:36:25,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:36:25,506 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:36:25,506 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:36:25,516 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:25" (1/1) ...
[2024-11-23 23:36:25,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:25" (1/1) ...
[2024-11-23 23:36:25,525 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:25" (1/1) ...
[2024-11-23 23:36:25,552 INFO L175 MemorySlicer]: Split 8 memory accesses to 4 slices as follows [2, 2, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0, 0, 0]. The 4 writes are split as follows [1, 1, 1, 1].
[2024-11-23 23:36:25,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:25" (1/1) ...
[2024-11-23 23:36:25,556 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:25" (1/1) ...
[2024-11-23 23:36:25,570 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:25" (1/1) ...
[2024-11-23 23:36:25,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:25" (1/1) ...
[2024-11-23 23:36:25,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:25" (1/1) ...
[2024-11-23 23:36:25,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:25" (1/1) ...
[2024-11-23 23:36:25,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:25" (1/1) ...
[2024-11-23 23:36:25,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:36:25,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:36:25,596 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:36:25,596 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:36:25,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:25" (1/1) ...
[2024-11-23 23:36:25,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:36:25,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:36:25,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:36:25,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:36:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2024-11-23 23:36:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-11-23 23:36:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-23 23:36:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-23 23:36:25,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-23 23:36:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-23 23:36:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-23 23:36:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-23 23:36:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-23 23:36:25,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:36:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:36:25,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:36:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-23 23:36:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-23 23:36:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-23 23:36:25,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-23 23:36:25,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-23 23:36:25,831 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:36:25,832 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:36:26,175 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live.
[2024-11-23 23:36:26,175 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:36:26,192 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:36:26,192 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-23 23:36:26,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:36:26 BoogieIcfgContainer
[2024-11-23 23:36:26,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:36:26,198 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:36:26,198 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:36:26,204 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:36:26,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:36:24" (1/3) ...
[2024-11-23 23:36:26,205 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47176e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:36:26, skipping insertion in model container
[2024-11-23 23:36:26,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:36:25" (2/3) ...
[2024-11-23 23:36:26,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47176e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:36:26, skipping insertion in model container
[2024-11-23 23:36:26,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:36:26" (3/3) ...
[2024-11-23 23:36:26,209 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_67_good.i
[2024-11-23 23:36:26,227 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:36:26,229 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_postdec_67_good.i that has 3 procedures, 58 locations, 1 initial locations, 0 loop locations, and 4 error locations.
[2024-11-23 23:36:26,309 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:36:26,325 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;@57a24050, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:36:26,325 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-23 23:36:26,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 51 states have internal predecessors, (65), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-23 23:36:26,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-23 23:36:26,336 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:36:26,338 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:36:26,338 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 23:36:26,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:36:26,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1169628221, now seen corresponding path program 1 times
[2024-11-23 23:36:26,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:36:26,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520406893]
[2024-11-23 23:36:26,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:36:26,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:36:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:36:27,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:36:27,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:36:27,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520406893]
[2024-11-23 23:36:27,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520406893] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:36:27,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:36:27,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:36:27,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562365671]
[2024-11-23 23:36:27,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:36:27,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:36:27,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:36:27,061 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:36:27,062 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:36:27,065 INFO L87 Difference]: Start difference. First operand has 58 states, 46 states have (on average 1.4130434782608696) internal successors, (65), 51 states have internal predecessors, (65), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-23 23:36:27,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:36:27,116 INFO L93 Difference]: Finished difference Result 58 states and 75 transitions.
[2024-11-23 23:36:27,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:36:27,119 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9
[2024-11-23 23:36:27,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:36:27,127 INFO L225 Difference]: With dead ends: 58
[2024-11-23 23:36:27,127 INFO L226 Difference]: Without dead ends: 45
[2024-11-23 23:36:27,132 INFO L434 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
[2024-11-23 23:36:27,136 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 1 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:36:27,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 140 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:36:27,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2024-11-23 23:36:27,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45.
[2024-11-23 23:36:27,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 40 states have internal predecessors, (54), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-23 23:36:27,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 58 transitions.
[2024-11-23 23:36:27,187 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 58 transitions. Word has length 9
[2024-11-23 23:36:27,188 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:36:27,188 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 58 transitions.
[2024-11-23 23:36:27,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-23 23:36:27,189 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions.
[2024-11-23 23:36:27,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-23 23:36:27,190 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:36:27,191 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:36:27,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 23:36:27,191 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)] ===
[2024-11-23 23:36:27,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:36:27,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1898736531, now seen corresponding path program 1 times
[2024-11-23 23:36:27,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:36:27,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623700112]
[2024-11-23 23:36:27,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:36:27,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:36:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:36:27,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:36:27,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:36:27,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623700112]
[2024-11-23 23:36:27,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623700112] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:36:27,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:36:27,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:36:27,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207095312]
[2024-11-23 23:36:27,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:36:27,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:36:27,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:36:27,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:36:27,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:36:27,476 INFO L87 Difference]: Start difference. First operand 45 states and 58 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-23 23:36:27,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:36:27,494 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions.
[2024-11-23 23:36:27,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:36:27,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10
[2024-11-23 23:36:27,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:36:27,496 INFO L225 Difference]: With dead ends: 45
[2024-11-23 23:36:27,497 INFO L226 Difference]: Without dead ends: 44
[2024-11-23 23:36:27,497 INFO L434 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
[2024-11-23 23:36:27,498 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:36:27,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:36:27,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2024-11-23 23:36:27,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2024-11-23 23:36:27,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 38 states have (on average 1.394736842105263) internal successors, (53), 39 states have internal predecessors, (53), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-23 23:36:27,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions.
[2024-11-23 23:36:27,506 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 57 transitions. Word has length 10
[2024-11-23 23:36:27,506 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:36:27,507 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 57 transitions.
[2024-11-23 23:36:27,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-23 23:36:27,507 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions.
[2024-11-23 23:36:27,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-11-23 23:36:27,509 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:36:27,509 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:36:27,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 23:36:27,509 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 23:36:27,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:36:27,510 INFO L85 PathProgramCache]: Analyzing trace with hash -599230037, now seen corresponding path program 1 times
[2024-11-23 23:36:27,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:36:27,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507342486]
[2024-11-23 23:36:27,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:36:27,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:36:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:36:27,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:36:27,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:36:27,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507342486]
[2024-11-23 23:36:27,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507342486] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:36:27,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:36:27,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:36:27,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279236048]
[2024-11-23 23:36:27,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:36:27,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:36:27,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:36:27,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:36:27,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:36:27,674 INFO L87 Difference]: Start difference. First operand 44 states and 57 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-23 23:36:27,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:36:27,692 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions.
[2024-11-23 23:36:27,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:36:27,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25
[2024-11-23 23:36:27,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:36:27,697 INFO L225 Difference]: With dead ends: 44
[2024-11-23 23:36:27,697 INFO L226 Difference]: Without dead ends: 43
[2024-11-23 23:36:27,697 INFO L434 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
[2024-11-23 23:36:27,698 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 1 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:36:27,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 106 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:36:27,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2024-11-23 23:36:27,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43.
[2024-11-23 23:36:27,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 38 states have (on average 1.368421052631579) internal successors, (52), 38 states have internal predecessors, (52), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-23 23:36:27,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions.
[2024-11-23 23:36:27,709 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 25
[2024-11-23 23:36:27,709 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:36:27,709 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions.
[2024-11-23 23:36:27,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-23 23:36:27,709 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions.
[2024-11-23 23:36:27,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-11-23 23:36:27,710 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:36:27,710 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:36:27,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 23:36:27,710 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 23:36:27,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:36:27,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1396261823, now seen corresponding path program 1 times
[2024-11-23 23:36:27,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:36:27,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010865882]
[2024-11-23 23:36:27,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:36:27,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:36:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:36:28,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 23:36:28,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:36:28,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010865882]
[2024-11-23 23:36:28,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010865882] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:36:28,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:36:28,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:36:28,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664235233]
[2024-11-23 23:36:28,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:36:28,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 23:36:28,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:36:28,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 23:36:28,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 23:36:28,159 INFO L87 Difference]: Start difference. First operand 43 states and 56 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-23 23:36:28,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:36:28,185 INFO L93 Difference]: Finished difference Result 43 states and 56 transitions.
[2024-11-23 23:36:28,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 23:36:28,186 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26
[2024-11-23 23:36:28,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:36:28,187 INFO L225 Difference]: With dead ends: 43
[2024-11-23 23:36:28,187 INFO L226 Difference]: Without dead ends: 0
[2024-11-23 23:36:28,188 INFO L434 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
[2024-11-23 23:36:28,189 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 0 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:36:28,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:36:28,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-23 23:36:28,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-23 23:36:28,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:36:28,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-23 23:36:28,194 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26
[2024-11-23 23:36:28,195 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:36:28,195 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-23 23:36:28,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-23 23:36:28,195 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-23 23:36:28,195 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-23 23:36:28,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-11-23 23:36:28,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-11-23 23:36:28,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-11-23 23:36:28,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-11-23 23:36:28,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 23:36:28,203 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-23 23:36:28,205 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-23 23:36:28,231 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 23:36:28,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:36:28 BoogieIcfgContainer
[2024-11-23 23:36:28,242 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 23:36:28,243 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 23:36:28,243 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 23:36:28,243 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 23:36:28,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:36:26" (3/4) ...
[2024-11-23 23:36:28,247 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-23 23:36:28,251 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2024-11-23 23:36:28,251 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2024-11-23 23:36:28,256 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges
[2024-11-23 23:36:28,256 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-11-23 23:36:28,256 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-23 23:36:28,347 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 23:36:28,347 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 23:36:28,348 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 23:36:28,349 INFO L158 Benchmark]: Toolchain (without parser) took 4315.99ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 89.4MB in the beginning and 54.0MB in the end (delta: 35.4MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB.
[2024-11-23 23:36:28,349 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:36:28,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1390.12ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 78.8MB in the end (delta: 10.4MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB.
[2024-11-23 23:36:28,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.79ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 75.6MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:36:28,350 INFO L158 Benchmark]: Boogie Preprocessor took 88.21ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 73.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:36:28,350 INFO L158 Benchmark]: RCFGBuilder took 599.82ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 54.8MB in the end (delta: 18.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-23 23:36:28,351 INFO L158 Benchmark]: TraceAbstraction took 2044.34ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 54.3MB in the beginning and 58.9MB in the end (delta: -4.6MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB.
[2024-11-23 23:36:28,351 INFO L158 Benchmark]: Witness Printer took 104.60ms. Allocated memory is still 151.0MB. Free memory was 58.9MB in the beginning and 54.0MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:36:28,353 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.85ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1390.12ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 78.8MB in the end (delta: 10.4MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 78.79ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 75.6MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 88.21ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 73.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 599.82ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 54.8MB in the end (delta: 18.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 2044.34ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 54.3MB in the beginning and 58.9MB in the end (delta: -4.6MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB.
* Witness Printer took 104.60ms. Allocated memory is still 151.0MB. Free memory was 58.9MB in the beginning and 54.0MB in the end (delta: 4.9MB). 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
- PositiveResult [Line: 1588]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1588]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1598]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1598]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 58 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 511 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 278 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 233 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 88 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-23 23:36:28,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_848c3156-ce70-4081-99b6-c368c058fe83/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE