./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.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_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/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_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/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_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/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 4e4347c86037459384974ae75e4351a61d7b75e4793327c8c4fbf0bb712ec6ee
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 02:08:35,468 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 02:08:35,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-24 02:08:35,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 02:08:35,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 02:08:35,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 02:08:35,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 02:08:35,638 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 02:08:35,639 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 02:08:35,639 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 02:08:35,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 02:08:35,639 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 02:08:35,640 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 02:08:35,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 02:08:35,640 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 02:08:35,640 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 02:08:35,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 02:08:35,641 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 02:08:35,641 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 02:08:35,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 02:08:35,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 02:08:35,642 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 02:08:35,642 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-24 02:08:35,642 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 02:08:35,643 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 02:08:35,643 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 02:08:35,643 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 02:08:35,643 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 02:08:35,644 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 02:08:35,644 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 02:08:35,644 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 02:08:35,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:08:35,644 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 02:08:35,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 02:08:35,645 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 02:08:35,645 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 02:08:35,645 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:08:35,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 02:08:35,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 02:08:35,646 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 02:08:35,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 02:08:35,647 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 02:08:35,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 02:08:35,647 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 02:08:35,647 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 02:08:35,647 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 02:08:35,648 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 02:08:35,648 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_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/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 -> 4e4347c86037459384974ae75e4351a61d7b75e4793327c8c4fbf0bb712ec6ee
[2024-11-24 02:08:36,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 02:08:36,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 02:08:36,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 02:08:36,118 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 02:08:36,119 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 02:08:36,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i
[2024-11-24 02:08:40,249 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/bin/uautomizer-verify-LYvppIcaGC/data/15211b043/a7a0ffa2c72c43918ea98d975837e3e8/FLAGf17587c1e
[2024-11-24 02:08:40,820 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 02:08:40,824 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i
[2024-11-24 02:08:40,870 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/bin/uautomizer-verify-LYvppIcaGC/data/15211b043/a7a0ffa2c72c43918ea98d975837e3e8/FLAGf17587c1e
[2024-11-24 02:08:40,890 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/bin/uautomizer-verify-LYvppIcaGC/data/15211b043/a7a0ffa2c72c43918ea98d975837e3e8
[2024-11-24 02:08:40,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 02:08:40,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 02:08:40,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 02:08:40,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 02:08:40,904 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 02:08:40,905 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:08:40" (1/1) ...
[2024-11-24 02:08:40,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3482a667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:08:40, skipping insertion in model container
[2024-11-24 02:08:40,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:08:40" (1/1) ...
[2024-11-24 02:08:40,985 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 02:08:42,459 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:08:42,470 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 02:08:42,637 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:08:42,813 INFO L204 MainTranslator]: Completed translation
[2024-11-24 02:08:42,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:08:42 WrapperNode
[2024-11-24 02:08:42,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 02:08:42,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 02:08:42,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 02:08:42,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 02:08:42,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:08:42" (1/1) ...
[2024-11-24 02:08:42,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:08:42" (1/1) ...
[2024-11-24 02:08:42,922 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96
[2024-11-24 02:08:42,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 02:08:42,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 02:08:42,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 02:08:42,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 02:08:42,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:08:42" (1/1) ...
[2024-11-24 02:08:42,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:08:42" (1/1) ...
[2024-11-24 02:08:42,947 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:08:42" (1/1) ...
[2024-11-24 02:08:42,973 INFO L175 MemorySlicer]: No memory access in input program.
[2024-11-24 02:08:42,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:08:42" (1/1) ...
[2024-11-24 02:08:42,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:08:42" (1/1) ...
[2024-11-24 02:08:42,991 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:08:42" (1/1) ...
[2024-11-24 02:08:42,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:08:42" (1/1) ...
[2024-11-24 02:08:42,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:08:42" (1/1) ...
[2024-11-24 02:08:43,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:08:42" (1/1) ...
[2024-11-24 02:08:43,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:08:42" (1/1) ...
[2024-11-24 02:08:43,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 02:08:43,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 02:08:43,010 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 02:08:43,010 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 02:08:43,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:08:42" (1/1) ...
[2024-11-24 02:08:43,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:08:43,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 02:08:43,075 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 02:08:43,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 02:08:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-24 02:08:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-24 02:08:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 02:08:43,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 02:08:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 02:08:43,386 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 02:08:43,389 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 02:08:43,728 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live.
[2024-11-24 02:08:43,728 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 02:08:43,743 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 02:08:43,744 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-24 02:08:43,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:08:43 BoogieIcfgContainer
[2024-11-24 02:08:43,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 02:08:43,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 02:08:43,748 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 02:08:43,756 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 02:08:43,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:08:40" (1/3) ...
[2024-11-24 02:08:43,757 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37010c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:08:43, skipping insertion in model container
[2024-11-24 02:08:43,757 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:08:42" (2/3) ...
[2024-11-24 02:08:43,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37010c4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:08:43, skipping insertion in model container
[2024-11-24 02:08:43,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:08:43" (3/3) ...
[2024-11-24 02:08:43,760 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_06_bad.i
[2024-11-24 02:08:43,786 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 02:08:43,788 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_multiply_06_bad.i that has 2 procedures, 44 locations, 1 initial locations, 0 loop locations, and 2 error locations.
[2024-11-24 02:08:43,874 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 02:08:43,894 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;@7115f1a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 02:08:43,895 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-24 02:08:43,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 38 states have (on average 1.5) internal successors, (57), 40 states have internal predecessors, (57), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-24 02:08:43,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-24 02:08:43,917 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:08:43,918 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:08:43,919 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-24 02:08:43,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:08:43,928 INFO L85 PathProgramCache]: Analyzing trace with hash -458714749, now seen corresponding path program 1 times
[2024-11-24 02:08:43,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:08:43,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015620897]
[2024-11-24 02:08:43,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:08:43,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:08:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:08:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:08:44,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:08:44,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015620897]
[2024-11-24 02:08:44,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015620897] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:08:44,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:08:44,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 02:08:44,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [756980316]
[2024-11-24 02:08:44,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:08:44,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 02:08:44,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:08:44,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 02:08:44,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:08:44,351 INFO L87 Difference]: Start difference. First operand has 44 states, 38 states have (on average 1.5) internal successors, (57), 40 states have internal predecessors, (57), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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)
[2024-11-24 02:08:44,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:08:44,395 INFO L93 Difference]: Finished difference Result 61 states and 80 transitions.
[2024-11-24 02:08:44,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 02:08:44,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 12
[2024-11-24 02:08:44,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:08:44,408 INFO L225 Difference]: With dead ends: 61
[2024-11-24 02:08:44,409 INFO L226 Difference]: Without dead ends: 37
[2024-11-24 02:08:44,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 02:08:44,418 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 55 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 02:08:44,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 57 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 02:08:44,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2024-11-24 02:08:44,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2024-11-24 02:08:44,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 34 states have internal predecessors, (48), 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)
[2024-11-24 02:08:44,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions.
[2024-11-24 02:08:44,496 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 12
[2024-11-24 02:08:44,497 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:08:44,499 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions.
[2024-11-24 02:08:44,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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)
[2024-11-24 02:08:44,500 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions.
[2024-11-24 02:08:44,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-24 02:08:44,502 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:08:44,504 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:08:44,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 02:08:44,505 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-24 02:08:44,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:08:44,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1766449670, now seen corresponding path program 1 times
[2024-11-24 02:08:44,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:08:44,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121630452]
[2024-11-24 02:08:44,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:08:44,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:08:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:08:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:08:45,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:08:45,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121630452]
[2024-11-24 02:08:45,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121630452] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:08:45,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:08:45,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 02:08:45,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942750927]
[2024-11-24 02:08:45,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:08:45,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 02:08:45,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:08:45,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 02:08:45,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-24 02:08:45,207 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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)
[2024-11-24 02:08:45,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:08:45,362 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions.
[2024-11-24 02:08:45,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 02:08:45,365 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 18
[2024-11-24 02:08:45,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:08:45,366 INFO L225 Difference]: With dead ends: 45
[2024-11-24 02:08:45,366 INFO L226 Difference]: Without dead ends: 37
[2024-11-24 02:08:45,367 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-11-24 02:08:45,368 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 39 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 02:08:45,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 171 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 02:08:45,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2024-11-24 02:08:45,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2024-11-24 02:08:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 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)
[2024-11-24 02:08:45,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions.
[2024-11-24 02:08:45,383 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 18
[2024-11-24 02:08:45,385 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:08:45,386 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions.
[2024-11-24 02:08:45,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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)
[2024-11-24 02:08:45,386 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions.
[2024-11-24 02:08:45,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-11-24 02:08:45,387 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:08:45,387 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:08:45,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 02:08:45,388 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2024-11-24 02:08:45,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:08:45,389 INFO L85 PathProgramCache]: Analyzing trace with hash -201624148, now seen corresponding path program 1 times
[2024-11-24 02:08:45,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:08:45,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810578219]
[2024-11-24 02:08:45,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:08:45,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:08:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:08:45,430 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 02:08:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:08:45,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 02:08:45,497 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 02:08:45,498 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2024-11-24 02:08:45,501 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2024-11-24 02:08:45,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 02:08:45,507 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-24 02:08:45,567 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 02:08:45,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:08:45 BoogieIcfgContainer
[2024-11-24 02:08:45,577 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 02:08:45,578 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 02:08:45,578 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 02:08:45,579 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 02:08:45,582 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:08:43" (3/4) ...
[2024-11-24 02:08:45,583 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-24 02:08:45,681 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8.
[2024-11-24 02:08:45,766 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 02:08:45,767 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 02:08:45,767 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 02:08:45,768 INFO L158 Benchmark]: Toolchain (without parser) took 4872.54ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 52.9MB in the end (delta: 36.4MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB.
[2024-11-24 02:08:45,769 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:08:45,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1916.75ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 82.3MB in the end (delta: 6.7MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB.
[2024-11-24 02:08:45,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.51ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 79.6MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 02:08:45,772 INFO L158 Benchmark]: Boogie Preprocessor took 85.22ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:08:45,773 INFO L158 Benchmark]: RCFGBuilder took 735.28ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 62.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 02:08:45,775 INFO L158 Benchmark]: TraceAbstraction took 1829.70ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 57.9MB in the end (delta: 4.3MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB.
[2024-11-24 02:08:45,775 INFO L158 Benchmark]: Witness Printer took 188.67ms. Allocated memory is still 117.4MB. Free memory was 57.9MB in the beginning and 52.9MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 02:08:45,779 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.64ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1916.75ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 82.3MB in the end (delta: 6.7MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 107.51ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 79.6MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 85.22ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 735.28ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 62.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1829.70ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 57.9MB in the end (delta: 4.3MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB.
* Witness Printer took 188.67ms. Allocated memory is still 117.4MB. Free memory was 57.9MB in the beginning and 52.9MB in the end (delta: 5.1MB). Peak memory consumption was 8.4MB. 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: 1561]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L1522] const int GLOBAL_CONST_TRUE = 1;
[L1523] const int GLOBAL_CONST_FALSE = 0;
[L1524] const int GLOBAL_CONST_FIVE = 5;
[L1525] int globalTrue = 1;
[L1526] int globalFalse = 0;
[L1527] int globalFive = 5;
[L1546] int globalArgc = 0;
[L1547] char** globalArgv = ((void *)0);
[L1548] static const int STATIC_CONST_FIVE = 5;
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1569] CALL printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1414] COND TRUE line != ((void *)0)
[L1569] RET printLine("Calling bad()...")
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1570] CALL CWE191_Integer_Underflow__int_rand_multiply_06_bad()
[L1551] int data;
[L1552] data = 0
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1553] COND TRUE STATIC_CONST_FIVE==5
[L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1
[L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15)
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1555] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1))
[L1557] COND TRUE STATIC_CONST_FIVE==5
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1559] COND TRUE data < 0
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
[L1561] data * 2
VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, STATIC_CONST_FIVE=5, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1]
- UnprovableResult [Line: 1561]: 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 2 procedures, 44 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 228 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 129 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 99 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2024-11-24 02:08:45,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6b8df5c-99d4-4da9-aa9f-32ca4618c864/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)