./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 0e0057cc
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.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_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4e4347c86037459384974ae75e4351a61d7b75e4793327c8c4fbf0bb712ec6ee
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-12-02 17:13:08,843 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-12-02 17:13:08,908 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf
[2023-12-02 17:13:08,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-12-02 17:13:08,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-02 17:13:08,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-02 17:13:08,939 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-02 17:13:08,939 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-02 17:13:08,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-02 17:13:08,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-02 17:13:08,941 INFO L153 SettingsManager]: * User list type=DISABLED
[2023-12-02 17:13:08,942 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-12-02 17:13:08,942 INFO L153 SettingsManager]: * Explicit value domain=true
[2023-12-02 17:13:08,943 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-12-02 17:13:08,943 INFO L153 SettingsManager]: * Octagon Domain=false
[2023-12-02 17:13:08,944 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain
[2023-12-02 17:13:08,944 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2023-12-02 17:13:08,945 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2023-12-02 17:13:08,945 INFO L153 SettingsManager]: * Interval Domain=false
[2023-12-02 17:13:08,946 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-12-02 17:13:08,946 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer
[2023-12-02 17:13:08,947 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC
[2023-12-02 17:13:08,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-02 17:13:08,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-12-02 17:13:08,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-12-02 17:13:08,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-12-02 17:13:08,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-12-02 17:13:08,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-02 17:13:08,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-12-02 17:13:08,950 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-12-02 17:13:08,951 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-12-02 17:13:08,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-12-02 17:13:08,951 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-12-02 17:13:08,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-02 17:13:08,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-12-02 17:13:08,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-12-02 17:13:08,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-12-02 17:13:08,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-02 17:13:08,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-12-02 17:13:08,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-02 17:13:08,953 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN
[2023-12-02 17:13:08,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-02 17:13:08,954 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-02 17:13:08,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-02 17:13:08,954 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE
[2023-12-02 17:13:08,954 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-02 17:13:08,955 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4347c86037459384974ae75e4351a61d7b75e4793327c8c4fbf0bb712ec6ee
[2023-12-02 17:13:09,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-02 17:13:09,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-02 17:13:09,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-02 17:13:09,208 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-12-02 17:13:09,208 INFO L274 PluginConnector]: CDTParser initialized
[2023-12-02 17:13:09,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i
[2023-12-02 17:13:11,984 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-12-02 17:13:12,269 INFO L384 CDTParser]: Found 1 translation units.
[2023-12-02 17:13:12,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i
[2023-12-02 17:13:12,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/data/fa8d088e0/07133e5cb25b4546a92536386ff23524/FLAG4a1da3fac
[2023-12-02 17:13:12,307 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/data/fa8d088e0/07133e5cb25b4546a92536386ff23524
[2023-12-02 17:13:12,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-02 17:13:12,311 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-12-02 17:13:12,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-02 17:13:12,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-02 17:13:12,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-02 17:13:12,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:13:12" (1/1) ...
[2023-12-02 17:13:12,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11fd413f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:12, skipping insertion in model container
[2023-12-02 17:13:12,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:13:12" (1/1) ...
[2023-12-02 17:13:12,382 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-12-02 17:13:13,160 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-12-02 17:13:13,171 INFO L202 MainTranslator]: Completed pre-run
[2023-12-02 17:13:13,276 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-12-02 17:13:13,396 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler.
[2023-12-02 17:13:13,396 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler.
[2023-12-02 17:13:13,397 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler.
[2023-12-02 17:13:13,397 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler.
[2023-12-02 17:13:13,405 INFO L206 MainTranslator]: Completed translation
[2023-12-02 17:13:13,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:13 WrapperNode
[2023-12-02 17:13:13,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-02 17:13:13,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-02 17:13:13,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-02 17:13:13,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-02 17:13:13,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:13" (1/1) ...
[2023-12-02 17:13:13,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:13" (1/1) ...
[2023-12-02 17:13:13,465 INFO L138 Inliner]: procedures = 498, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 93
[2023-12-02 17:13:13,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-02 17:13:13,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-02 17:13:13,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-02 17:13:13,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-12-02 17:13:13,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:13" (1/1) ...
[2023-12-02 17:13:13,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:13" (1/1) ...
[2023-12-02 17:13:13,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:13" (1/1) ...
[2023-12-02 17:13:13,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:13" (1/1) ...
[2023-12-02 17:13:13,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:13" (1/1) ...
[2023-12-02 17:13:13,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:13" (1/1) ...
[2023-12-02 17:13:13,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:13" (1/1) ...
[2023-12-02 17:13:13,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:13" (1/1) ...
[2023-12-02 17:13:13,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-02 17:13:13,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-02 17:13:13,490 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-12-02 17:13:13,490 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-12-02 17:13:13,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:13" (1/1) ...
[2023-12-02 17:13:13,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-12-02 17:13:13,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/z3
[2023-12-02 17:13:13,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-12-02 17:13:13,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-12-02 17:13:13,564 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2023-12-02 17:13:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2023-12-02 17:13:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-02 17:13:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-02 17:13:13,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-02 17:13:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure time
[2023-12-02 17:13:13,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-12-02 17:13:13,713 INFO L241 CfgBuilder]: Building ICFG
[2023-12-02 17:13:13,716 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-02 17:13:13,879 INFO L282 CfgBuilder]: Performing block encoding
[2023-12-02 17:13:14,085 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-02 17:13:14,086 INFO L309 CfgBuilder]: Removed 0 assume(true) statements.
[2023-12-02 17:13:14,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:14 BoogieIcfgContainer
[2023-12-02 17:13:14,087 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-02 17:13:14,090 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-02 17:13:14,090 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-12-02 17:13:14,094 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-12-02 17:13:14,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:13:12" (1/3) ...
[2023-12-02 17:13:14,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5c24f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:13:14, skipping insertion in model container
[2023-12-02 17:13:14,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:13" (2/3) ...
[2023-12-02 17:13:14,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b5c24f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:13:14, skipping insertion in model container
[2023-12-02 17:13:14,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:14" (3/3) ...
[2023-12-02 17:13:14,097 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_06_bad.i
[2023-12-02 17:13:14,115 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-02 17:13:14,115 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-12-02 17:13:14,156 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-02 17:13:14,162 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@504eb68c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-02 17:13:14,162 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-12-02 17:13:14,165 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 11 states have internal predecessors, (13), 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)
[2023-12-02 17:13:14,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-12-02 17:13:14,173 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-02 17:13:14,173 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-02 17:13:14,174 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2023-12-02 17:13:14,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 17:13:14,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1059573997, now seen corresponding path program 1 times
[2023-12-02 17:13:14,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-12-02 17:13:14,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813931595]
[2023-12-02 17:13:14,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 17:13:14,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 17:13:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-02 17:13:14,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-02 17:13:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-02 17:13:14,560 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2023-12-02 17:13:14,561 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-12-02 17:13:14,563 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2023-12-02 17:13:14,565 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2023-12-02 17:13:14,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-02 17:13:14,570 INFO L445 BasicCegarLoop]: Path program histogram: [1]
[2023-12-02 17:13:14,574 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-12-02 17:13:14,589 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet111
[2023-12-02 17:13:14,592 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated
[2023-12-02 17:13:14,593 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated
[2023-12-02 17:13:14,593 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated
[2023-12-02 17:13:14,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:13:14 BoogieIcfgContainer
[2023-12-02 17:13:14,602 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-02 17:13:14,603 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-12-02 17:13:14,603 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-12-02 17:13:14,603 INFO L274 PluginConnector]: Witness Printer initialized
[2023-12-02 17:13:14,603 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:14" (3/4) ...
[2023-12-02 17:13:14,606 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-12-02 17:13:14,607 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-12-02 17:13:14,608 INFO L158 Benchmark]: Toolchain (without parser) took 2297.54ms. Allocated memory is still 165.7MB. Free memory was 121.0MB in the beginning and 74.9MB in the end (delta: 46.1MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB.
[2023-12-02 17:13:14,609 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 132.1MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-12-02 17:13:14,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1094.29ms. Allocated memory is still 165.7MB. Free memory was 120.5MB in the beginning and 96.1MB in the end (delta: 24.5MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB.
[2023-12-02 17:13:14,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.89ms. Allocated memory is still 165.7MB. Free memory was 96.1MB in the beginning and 93.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-12-02 17:13:14,611 INFO L158 Benchmark]: Boogie Preprocessor took 23.16ms. Allocated memory is still 165.7MB. Free memory was 93.1MB in the beginning and 91.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-12-02 17:13:14,611 INFO L158 Benchmark]: RCFGBuilder took 597.68ms. Allocated memory is still 165.7MB. Free memory was 91.9MB in the beginning and 116.8MB in the end (delta: -24.9MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB.
[2023-12-02 17:13:14,612 INFO L158 Benchmark]: TraceAbstraction took 511.72ms. Allocated memory is still 165.7MB. Free memory was 115.8MB in the beginning and 75.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
[2023-12-02 17:13:14,613 INFO L158 Benchmark]: Witness Printer took 4.65ms. Allocated memory is still 165.7MB. Free memory was 75.9MB in the beginning and 74.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-12-02 17:13:14,616 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22ms. Allocated memory is still 132.1MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1094.29ms. Allocated memory is still 165.7MB. Free memory was 120.5MB in the beginning and 96.1MB in the end (delta: 24.5MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 58.89ms. Allocated memory is still 165.7MB. Free memory was 96.1MB in the beginning and 93.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 23.16ms. Allocated memory is still 165.7MB. Free memory was 93.1MB in the beginning and 91.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 597.68ms. Allocated memory is still 165.7MB. Free memory was 91.9MB in the beginning and 116.8MB in the end (delta: -24.9MB). Peak memory consumption was 32.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 511.72ms. Allocated memory is still 165.7MB. Free memory was 115.8MB in the beginning and 75.9MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
* Witness Printer took 4.65ms. Allocated memory is still 165.7MB. Free memory was 75.9MB in the beginning and 74.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~nondet111
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~ite109 could not be translated
- GenericResult: Unfinished Backtranslation
The program execution was not completely translated back.
* 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
- UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of large string literal at line 1569, overapproximation of bitwiseOr at line 1555.
Possible 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;
[L1569] CALL 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, line={2:0}]
[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, \old(argc)=6442450945, argc=6442450945, argv={6442450948:6442450947}, 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
[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)
[L1555] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()
[L1555] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 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=-2147483648, 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=-2147483648, 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, data=-2147483648, 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, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2023-12-02 17:13:14,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.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_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4e4347c86037459384974ae75e4351a61d7b75e4793327c8c4fbf0bb712ec6ee
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-12-02 17:13:16,598 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-12-02 17:13:16,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf
[2023-12-02 17:13:16,670 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-12-02 17:13:16,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-02 17:13:16,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-02 17:13:16,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-02 17:13:16,699 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-02 17:13:16,700 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-02 17:13:16,700 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-02 17:13:16,701 INFO L153 SettingsManager]: * User list type=DISABLED
[2023-12-02 17:13:16,701 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-12-02 17:13:16,702 INFO L153 SettingsManager]: * Explicit value domain=true
[2023-12-02 17:13:16,702 INFO L153 SettingsManager]: * Octagon Domain=false
[2023-12-02 17:13:16,703 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain
[2023-12-02 17:13:16,703 INFO L153 SettingsManager]: * Interval Domain=false
[2023-12-02 17:13:16,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-02 17:13:16,704 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-12-02 17:13:16,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-12-02 17:13:16,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-12-02 17:13:16,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-02 17:13:16,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-12-02 17:13:16,711 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2023-12-02 17:13:16,711 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2023-12-02 17:13:16,711 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-12-02 17:13:16,712 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-02 17:13:16,712 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-12-02 17:13:16,713 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-12-02 17:13:16,713 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-12-02 17:13:16,713 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-02 17:13:16,714 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-12-02 17:13:16,714 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-12-02 17:13:16,714 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-12-02 17:13:16,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-12-02 17:13:16,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-02 17:13:16,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-12-02 17:13:16,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-02 17:13:16,715 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS
[2023-12-02 17:13:16,716 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-02 17:13:16,716 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-02 17:13:16,716 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-02 17:13:16,716 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE
[2023-12-02 17:13:16,716 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-02 17:13:16,717 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4347c86037459384974ae75e4351a61d7b75e4793327c8c4fbf0bb712ec6ee
[2023-12-02 17:13:17,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-02 17:13:17,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-02 17:13:17,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-02 17:13:17,035 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-12-02 17:13:17,035 INFO L274 PluginConnector]: CDTParser initialized
[2023-12-02 17:13:17,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i
[2023-12-02 17:13:19,883 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-12-02 17:13:20,219 INFO L384 CDTParser]: Found 1 translation units.
[2023-12-02 17:13:20,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_06_bad.i
[2023-12-02 17:13:20,243 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/data/5207ebe9f/a84478e971234f279c504de6da5e2f2a/FLAGbeda02994
[2023-12-02 17:13:20,256 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/data/5207ebe9f/a84478e971234f279c504de6da5e2f2a
[2023-12-02 17:13:20,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-02 17:13:20,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-12-02 17:13:20,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-02 17:13:20,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-02 17:13:20,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-02 17:13:20,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:13:20" (1/1) ...
[2023-12-02 17:13:20,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40bb87df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:20, skipping insertion in model container
[2023-12-02 17:13:20,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:13:20" (1/1) ...
[2023-12-02 17:13:20,320 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-12-02 17:13:21,158 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-12-02 17:13:21,174 INFO L202 MainTranslator]: Completed pre-run
[2023-12-02 17:13:21,269 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-12-02 17:13:21,367 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler.
[2023-12-02 17:13:21,367 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler.
[2023-12-02 17:13:21,368 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler.
[2023-12-02 17:13:21,368 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler.
[2023-12-02 17:13:21,376 INFO L206 MainTranslator]: Completed translation
[2023-12-02 17:13:21,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:21 WrapperNode
[2023-12-02 17:13:21,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-02 17:13:21,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-02 17:13:21,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-02 17:13:21,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-02 17:13:21,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:21" (1/1) ...
[2023-12-02 17:13:21,413 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:21" (1/1) ...
[2023-12-02 17:13:21,439 INFO L138 Inliner]: procedures = 503, calls = 55, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61
[2023-12-02 17:13:21,439 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-02 17:13:21,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-02 17:13:21,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-02 17:13:21,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-12-02 17:13:21,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:21" (1/1) ...
[2023-12-02 17:13:21,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:21" (1/1) ...
[2023-12-02 17:13:21,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:21" (1/1) ...
[2023-12-02 17:13:21,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:21" (1/1) ...
[2023-12-02 17:13:21,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:21" (1/1) ...
[2023-12-02 17:13:21,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:21" (1/1) ...
[2023-12-02 17:13:21,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:21" (1/1) ...
[2023-12-02 17:13:21,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:21" (1/1) ...
[2023-12-02 17:13:21,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-02 17:13:21,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-02 17:13:21,476 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-12-02 17:13:21,477 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-12-02 17:13:21,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:21" (1/1) ...
[2023-12-02 17:13:21,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-12-02 17:13:21,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/z3
[2023-12-02 17:13:21,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-12-02 17:13:21,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-12-02 17:13:21,551 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2023-12-02 17:13:21,551 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2023-12-02 17:13:21,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-12-02 17:13:21,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-02 17:13:21,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-02 17:13:21,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-02 17:13:21,552 INFO L130 BoogieDeclarations]: Found specification of procedure time
[2023-12-02 17:13:21,706 INFO L241 CfgBuilder]: Building ICFG
[2023-12-02 17:13:21,709 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-02 17:13:21,837 INFO L282 CfgBuilder]: Performing block encoding
[2023-12-02 17:13:21,868 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-02 17:13:21,868 INFO L309 CfgBuilder]: Removed 0 assume(true) statements.
[2023-12-02 17:13:21,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:21 BoogieIcfgContainer
[2023-12-02 17:13:21,869 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-02 17:13:21,871 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-02 17:13:21,871 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-12-02 17:13:21,873 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-12-02 17:13:21,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:13:20" (1/3) ...
[2023-12-02 17:13:21,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2024f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:13:21, skipping insertion in model container
[2023-12-02 17:13:21,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:21" (2/3) ...
[2023-12-02 17:13:21,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a2024f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:13:21, skipping insertion in model container
[2023-12-02 17:13:21,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:21" (3/3) ...
[2023-12-02 17:13:21,876 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_06_bad.i
[2023-12-02 17:13:21,892 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-02 17:13:21,892 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-12-02 17:13:21,932 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-02 17:13:21,937 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@3d34b3e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-02 17:13:21,937 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2023-12-02 17:13:21,941 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.5) internal successors, (21), 16 states have internal predecessors, (21), 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)
[2023-12-02 17:13:21,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2023-12-02 17:13:21,948 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-02 17:13:21,949 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-02 17:13:21,949 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2023-12-02 17:13:21,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 17:13:21,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1126768154, now seen corresponding path program 1 times
[2023-12-02 17:13:21,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2023-12-02 17:13:21,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1302570162]
[2023-12-02 17:13:21,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 17:13:21,966 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-02 17:13:21,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/mathsat
[2023-12-02 17:13:21,968 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-02 17:13:21,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-12-02 17:13:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 17:13:22,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-02 17:13:22,087 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 17:13:22,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 17:13:22,122 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-02 17:13:22,123 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2023-12-02 17:13:22,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1302570162]
[2023-12-02 17:13:22,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1302570162] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 17:13:22,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-02 17:13:22,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-02 17:13:22,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530283925]
[2023-12-02 17:13:22,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 17:13:22,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-02 17:13:22,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2023-12-02 17:13:22,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-02 17:13:22,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-02 17:13:22,169 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.5) internal successors, (21), 16 states have internal predecessors, (21), 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 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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)
[2023-12-02 17:13:22,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 17:13:22,211 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions.
[2023-12-02 17:13:22,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-12-02 17:13:22,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 11
[2023-12-02 17:13:22,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 17:13:22,220 INFO L225 Difference]: With dead ends: 42
[2023-12-02 17:13:22,221 INFO L226 Difference]: Without dead ends: 16
[2023-12-02 17:13:22,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-02 17:13:22,227 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 9 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-02 17:13:22,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 43 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-02 17:13:22,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2023-12-02 17:13:22,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2023-12-02 17:13:22,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 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)
[2023-12-02 17:13:22,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions.
[2023-12-02 17:13:22,263 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11
[2023-12-02 17:13:22,264 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-12-02 17:13:22,264 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions.
[2023-12-02 17:13:22,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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)
[2023-12-02 17:13:22,264 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions.
[2023-12-02 17:13:22,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-12-02 17:13:22,265 INFO L187 NwaCegarLoop]: Found error trace
[2023-12-02 17:13:22,265 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-02 17:13:22,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2023-12-02 17:13:22,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-02 17:13:22,466 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] ===
[2023-12-02 17:13:22,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 17:13:22,467 INFO L85 PathProgramCache]: Analyzing trace with hash -759605941, now seen corresponding path program 1 times
[2023-12-02 17:13:22,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2023-12-02 17:13:22,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [144710739]
[2023-12-02 17:13:22,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 17:13:22,468 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-02 17:13:22,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/mathsat
[2023-12-02 17:13:22,469 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-02 17:13:22,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-12-02 17:13:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-02 17:13:22,548 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-02 17:13:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-02 17:13:22,604 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace
[2023-12-02 17:13:22,604 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2023-12-02 17:13:22,606 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining)
[2023-12-02 17:13:22,608 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining)
[2023-12-02 17:13:22,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2023-12-02 17:13:22,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-02 17:13:22,813 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1]
[2023-12-02 17:13:22,816 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-12-02 17:13:22,834 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet105
[2023-12-02 17:13:22,838 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet97 could not be translated
[2023-12-02 17:13:22,839 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated
[2023-12-02 17:13:22,839 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated
[2023-12-02 17:13:22,839 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated
[2023-12-02 17:13:22,839 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated
[2023-12-02 17:13:22,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:13:22 BoogieIcfgContainer
[2023-12-02 17:13:22,849 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-02 17:13:22,849 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-12-02 17:13:22,850 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-12-02 17:13:22,850 INFO L274 PluginConnector]: Witness Printer initialized
[2023-12-02 17:13:22,850 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:21" (3/4) ...
[2023-12-02 17:13:22,852 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2023-12-02 17:13:22,853 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-12-02 17:13:22,854 INFO L158 Benchmark]: Toolchain (without parser) took 2593.54ms. Allocated memory is still 102.8MB. Free memory was 75.6MB in the beginning and 55.8MB in the end (delta: 19.8MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB.
[2023-12-02 17:13:22,854 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-12-02 17:13:22,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1115.43ms. Allocated memory is still 102.8MB. Free memory was 75.3MB in the beginning and 73.2MB in the end (delta: 2.1MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB.
[2023-12-02 17:13:22,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.78ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 70.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-12-02 17:13:22,856 INFO L158 Benchmark]: Boogie Preprocessor took 35.83ms. Allocated memory is still 102.8MB. Free memory was 70.5MB in the beginning and 68.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-12-02 17:13:22,856 INFO L158 Benchmark]: RCFGBuilder took 392.87ms. Allocated memory is still 102.8MB. Free memory was 68.4MB in the beginning and 52.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2023-12-02 17:13:22,857 INFO L158 Benchmark]: TraceAbstraction took 978.00ms. Allocated memory is still 102.8MB. Free memory was 51.7MB in the beginning and 55.8MB in the end (delta: -4.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-12-02 17:13:22,857 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 102.8MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-12-02 17:13:22,860 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.16ms. Allocated memory is still 65.0MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1115.43ms. Allocated memory is still 102.8MB. Free memory was 75.3MB in the beginning and 73.2MB in the end (delta: 2.1MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 61.78ms. Allocated memory is still 102.8MB. Free memory was 73.2MB in the beginning and 70.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 35.83ms. Allocated memory is still 102.8MB. Free memory was 70.5MB in the beginning and 68.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 392.87ms. Allocated memory is still 102.8MB. Free memory was 68.4MB in the beginning and 52.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 978.00ms. Allocated memory is still 102.8MB. Free memory was 51.7MB in the beginning and 55.8MB in the end (delta: -4.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 3.82ms. Allocated memory is still 102.8MB. Free memory is still 55.8MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: unknown boogie variable #t~nondet105
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet97 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~ite103 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet96 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet98 could not be translated
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: IdentifierExpression #t~nondet99 could not be translated
- GenericResult: Unfinished Backtranslation
The program execution was not completely translated back.
* 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
- UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: overapproximation of large string literal at line 1569.
Possible 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;
[L1569] CALL 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, line={2:0}]
[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, \old(argc)=12, argc=12, argv={13:12}, 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 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=-2147483648, 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=-2147483648, 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, data=-2147483648, 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 43 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 25 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2023-12-02 17:13:22,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a079857-d7db-437a-932d-668e486d0fd4/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN: Overapproximated counterexample