./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_66_good.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_66_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 025b08e9c231f37bed4b6238b54bc194d9224d167fc6df5ac1fe71bf334dad72
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 07:38:29,662 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 07:38:29,714 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-12-02 07:38:29,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 07:38:29,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 07:38:29,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 07:38:29,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 07:38:29,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 07:38:29,740 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 07:38:29,740 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 07:38:29,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 07:38:29,741 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 07:38:29,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 07:38:29,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 07:38:29,741 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 07:38:29,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 07:38:29,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 07:38:29,741 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 07:38:29,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 07:38:29,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 07:38:29,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 07:38:29,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 07:38:29,742 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 07:38:29,742 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 07:38:29,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 07:38:29,742 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 07:38:29,742 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 07:38:29,742 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 07:38:29,742 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 07:38:29,742 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 07:38:29,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 07:38:29,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:38:29,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 07:38:29,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 07:38:29,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 07:38:29,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 07:38:29,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:38:29,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 07:38:29,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 07:38:29,743 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 07:38:29,743 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 07:38:29,743 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 07:38:29,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 07:38:29,743 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 07:38:29,744 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 07:38:29,744 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 07:38:29,744 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 07:38:29,744 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_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 025b08e9c231f37bed4b6238b54bc194d9224d167fc6df5ac1fe71bf334dad72
[2024-12-02 07:38:29,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 07:38:29,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 07:38:29,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 07:38:29,971 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 07:38:29,971 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 07:38:29,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_66_good.i
[2024-12-02 07:38:32,615 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1/data/8da13ee92/be564308a95d4ac48dac959732973188/FLAGe8168d42d
[2024-12-02 07:38:32,895 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 07:38:32,896 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_66_good.i
[2024-12-02 07:38:32,914 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1/data/8da13ee92/be564308a95d4ac48dac959732973188/FLAGe8168d42d
[2024-12-02 07:38:32,928 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1/data/8da13ee92/be564308a95d4ac48dac959732973188
[2024-12-02 07:38:32,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 07:38:32,932 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 07:38:32,934 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 07:38:32,934 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 07:38:32,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 07:38:32,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:38:32" (1/1) ...
[2024-12-02 07:38:32,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35797742 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:32, skipping insertion in model container
[2024-12-02 07:38:32,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:38:32" (1/1) ...
[2024-12-02 07:38:32,972 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 07:38:33,585 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:38:33,593 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 07:38:33,668 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:38:33,786 INFO L204 MainTranslator]: Completed translation
[2024-12-02 07:38:33,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:33 WrapperNode
[2024-12-02 07:38:33,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 07:38:33,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 07:38:33,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 07:38:33,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 07:38:33,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:33" (1/1) ...
[2024-12-02 07:38:33,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:33" (1/1) ...
[2024-12-02 07:38:33,827 INFO L138 Inliner]: procedures = 502, calls = 42, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 92
[2024-12-02 07:38:33,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 07:38:33,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 07:38:33,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 07:38:33,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 07:38:33,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:33" (1/1) ...
[2024-12-02 07:38:33,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:33" (1/1) ...
[2024-12-02 07:38:33,838 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:33" (1/1) ...
[2024-12-02 07:38:33,852 INFO L175 MemorySlicer]: Split 5 memory accesses to 3 slices as follows [1, 2, 2]. 40 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0, 0]. The 2 writes are split as follows [0, 1, 1].
[2024-12-02 07:38:33,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:33" (1/1) ...
[2024-12-02 07:38:33,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:33" (1/1) ...
[2024-12-02 07:38:33,859 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:33" (1/1) ...
[2024-12-02 07:38:33,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:33" (1/1) ...
[2024-12-02 07:38:33,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:33" (1/1) ...
[2024-12-02 07:38:33,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:33" (1/1) ...
[2024-12-02 07:38:33,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:33" (1/1) ...
[2024-12-02 07:38:33,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 07:38:33,868 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 07:38:33,868 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 07:38:33,868 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 07:38:33,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:33" (1/1) ...
[2024-12-02 07:38:33,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:38:33,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:38:33,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 07:38:33,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 07:38:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2024-12-02 07:38:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-12-02 07:38:33,913 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-12-02 07:38:33,913 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-12-02 07:38:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 07:38:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-02 07:38:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-12-02 07:38:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-12-02 07:38:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 07:38:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 07:38:33,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 07:38:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-02 07:38:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 07:38:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-12-02 07:38:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-12-02 07:38:33,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 07:38:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-02 07:38:33,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-12-02 07:38:34,044 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 07:38:34,045 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 07:38:34,174 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live.
[2024-12-02 07:38:34,174 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 07:38:34,182 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 07:38:34,182 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 07:38:34,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:38:34 BoogieIcfgContainer
[2024-12-02 07:38:34,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 07:38:34,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 07:38:34,184 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 07:38:34,187 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 07:38:34,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:38:32" (1/3) ...
[2024-12-02 07:38:34,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e9fb43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:38:34, skipping insertion in model container
[2024-12-02 07:38:34,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:33" (2/3) ...
[2024-12-02 07:38:34,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25e9fb43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:38:34, skipping insertion in model container
[2024-12-02 07:38:34,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:38:34" (3/3) ...
[2024-12-02 07:38:34,189 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_predec_66_good.i
[2024-12-02 07:38:34,201 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 07:38:34,202 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fgets_predec_66_good.i that has 3 procedures, 38 locations, 1 initial locations, 0 loop locations, and 4 error locations.
[2024-12-02 07:38:34,241 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 07:38:34,250 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;@617ae6f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 07:38:34,250 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-12-02 07:38:34,253 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 25 states have (on average 1.28) internal successors, (32), 31 states have internal predecessors, (32), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 07:38:34,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-02 07:38:34,257 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:38:34,257 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:38:34,258 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 07:38:34,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:38:34,262 INFO L85 PathProgramCache]: Analyzing trace with hash 806298795, now seen corresponding path program 1 times
[2024-12-02 07:38:34,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:38:34,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446315116]
[2024-12-02 07:38:34,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:38:34,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:38:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:38:34,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:38:34,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:38:34,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446315116]
[2024-12-02 07:38:34,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446315116] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:38:34,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:38:34,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:38:34,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10285717]
[2024-12-02 07:38:34,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:38:34,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:38:34,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:38:34,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:38:34,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:38:34,654 INFO L87 Difference]: Start difference. First operand has 38 states, 25 states have (on average 1.28) internal successors, (32), 31 states have internal predecessors, (32), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:38:34,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:38:34,677 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions.
[2024-12-02 07:38:34,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:38:34,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9
[2024-12-02 07:38:34,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:38:34,684 INFO L225 Difference]: With dead ends: 38
[2024-12-02 07:38:34,684 INFO L226 Difference]: Without dead ends: 26
[2024-12-02 07:38:34,686 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:38:34,688 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 1 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:38:34,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 78 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:38:34,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2024-12-02 07:38:34,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2024-12-02 07:38:34,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 21 states have internal predecessors, (22), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 07:38:34,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 28 transitions.
[2024-12-02 07:38:34,714 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 28 transitions. Word has length 9
[2024-12-02 07:38:34,715 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:38:34,715 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 28 transitions.
[2024-12-02 07:38:34,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:38:34,716 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions.
[2024-12-02 07:38:34,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-12-02 07:38:34,717 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:38:34,717 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:38:34,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 07:38:34,717 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 07:38:34,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:38:34,718 INFO L85 PathProgramCache]: Analyzing trace with hash -774541083, now seen corresponding path program 1 times
[2024-12-02 07:38:34,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:38:34,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824053562]
[2024-12-02 07:38:34,718 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:38:34,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:38:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:38:34,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:38:34,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:38:34,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824053562]
[2024-12-02 07:38:34,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824053562] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:38:34,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:38:34,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:38:34,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410393011]
[2024-12-02 07:38:34,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:38:34,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:38:34,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:38:34,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:38:34,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:38:34,843 INFO L87 Difference]: Start difference. First operand 26 states and 28 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:38:34,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:38:34,851 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions.
[2024-12-02 07:38:34,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:38:34,852 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10
[2024-12-02 07:38:34,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:38:34,852 INFO L225 Difference]: With dead ends: 26
[2024-12-02 07:38:34,852 INFO L226 Difference]: Without dead ends: 25
[2024-12-02 07:38:34,852 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:38:34,853 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:38:34,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:38:34,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-12-02 07:38:34,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2024-12-02 07:38:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 07:38:34,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions.
[2024-12-02 07:38:34,857 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 10
[2024-12-02 07:38:34,857 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:38:34,857 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions.
[2024-12-02 07:38:34,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:38:34,857 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions.
[2024-12-02 07:38:34,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-12-02 07:38:34,858 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:38:34,858 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:38:34,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 07:38:34,858 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 07:38:34,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:38:34,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1756454954, now seen corresponding path program 1 times
[2024-12-02 07:38:34,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:38:34,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320666072]
[2024-12-02 07:38:34,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:38:34,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:38:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:38:34,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:38:34,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:38:34,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320666072]
[2024-12-02 07:38:34,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320666072] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:38:34,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:38:34,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:38:34,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786655249]
[2024-12-02 07:38:34,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:38:34,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:38:34,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:38:34,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:38:34,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:38:34,919 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 07:38:34,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:38:34,931 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions.
[2024-12-02 07:38:34,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:38:34,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21
[2024-12-02 07:38:34,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:38:34,932 INFO L225 Difference]: With dead ends: 25
[2024-12-02 07:38:34,932 INFO L226 Difference]: Without dead ends: 24
[2024-12-02 07:38:34,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:38:34,933 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:38:34,934 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:38:34,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2024-12-02 07:38:34,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2024-12-02 07:38:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 07:38:34,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions.
[2024-12-02 07:38:34,937 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 21
[2024-12-02 07:38:34,937 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:38:34,938 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions.
[2024-12-02 07:38:34,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 07:38:34,938 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions.
[2024-12-02 07:38:34,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-12-02 07:38:34,938 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:38:34,938 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:38:34,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 07:38:34,939 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 07:38:34,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:38:34,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1384471343, now seen corresponding path program 1 times
[2024-12-02 07:38:34,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:38:34,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413274553]
[2024-12-02 07:38:34,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:38:34,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:38:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:38:35,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:38:35,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:38:35,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413274553]
[2024-12-02 07:38:35,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413274553] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:38:35,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:38:35,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 07:38:35,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733786120]
[2024-12-02 07:38:35,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:38:35,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 07:38:35,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:38:35,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 07:38:35,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:38:35,285 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 07:38:35,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:38:35,305 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions.
[2024-12-02 07:38:35,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 07:38:35,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22
[2024-12-02 07:38:35,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:38:35,306 INFO L225 Difference]: With dead ends: 24
[2024-12-02 07:38:35,306 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 07:38:35,307 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:38:35,307 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:38:35,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 62 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:38:35,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 07:38:35,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 07:38:35,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:38:35,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 07:38:35,309 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22
[2024-12-02 07:38:35,309 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:38:35,309 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 07:38:35,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 07:38:35,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 07:38:35,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 07:38:35,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-12-02 07:38:35,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-12-02 07:38:35,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-12-02 07:38:35,312 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-12-02 07:38:35,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 07:38:35,315 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-12-02 07:38:35,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 07:38:35,337 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 07:38:35,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:38:35 BoogieIcfgContainer
[2024-12-02 07:38:35,342 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 07:38:35,343 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 07:38:35,343 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 07:38:35,343 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 07:38:35,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:38:34" (3/4) ...
[2024-12-02 07:38:35,345 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 07:38:35,349 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2024-12-02 07:38:35,349 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2024-12-02 07:38:35,352 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges
[2024-12-02 07:38:35,353 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2024-12-02 07:38:35,353 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 07:38:35,353 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 07:38:35,412 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 07:38:35,412 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 07:38:35,413 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 07:38:35,413 INFO L158 Benchmark]: Toolchain (without parser) took 2481.19ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 90.1MB in the beginning and 102.8MB in the end (delta: -12.7MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB.
[2024-12-02 07:38:35,414 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 07:38:35,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 853.02ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 80.4MB in the end (delta: 9.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB.
[2024-12-02 07:38:35,414 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.83ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 77.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 07:38:35,414 INFO L158 Benchmark]: Boogie Preprocessor took 39.05ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 75.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 07:38:35,415 INFO L158 Benchmark]: RCFGBuilder took 314.27ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 60.9MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 07:38:35,415 INFO L158 Benchmark]: TraceAbstraction took 1158.12ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 60.4MB in the beginning and 108.4MB in the end (delta: -48.0MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB.
[2024-12-02 07:38:35,415 INFO L158 Benchmark]: Witness Printer took 69.89ms. Allocated memory is still 201.3MB. Free memory was 108.4MB in the beginning and 102.8MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 07:38:35,417 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 853.02ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 80.4MB in the end (delta: 9.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.83ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 77.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 39.05ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 75.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 314.27ms. Allocated memory is still 117.4MB. Free memory was 75.6MB in the beginning and 60.9MB in the end (delta: 14.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1158.12ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 60.4MB in the beginning and 108.4MB in the end (delta: -48.0MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB.
* Witness Printer took 69.89ms. Allocated memory is still 201.3MB. Free memory was 108.4MB in the beginning and 102.8MB in the end (delta: 5.6MB). 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
- PositiveResult [Line: 1595]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1595]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1605]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1605]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 234 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 123 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 111 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 88 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 07:38:35,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85ebdb5e-0d8b-487c-900c-f5888dc4b28b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE