./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_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_26c85483-71dc-4837-8770-0e375bf79379/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c85483-71dc-4837-8770-0e375bf79379/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_26c85483-71dc-4837-8770-0e375bf79379/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c85483-71dc-4837-8770-0e375bf79379/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c85483-71dc-4837-8770-0e375bf79379/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_26c85483-71dc-4837-8770-0e375bf79379/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 aad0f86d7ec66ee2be677dc669c03e51908c72b031bd495b9b858f7b8ca3aec7
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-01 23:12:10,720 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-01 23:12:10,777 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c85483-71dc-4837-8770-0e375bf79379/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-12-01 23:12:10,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-01 23:12:10,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-01 23:12:10,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-01 23:12:10,802 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-01 23:12:10,802 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-01 23:12:10,802 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-01 23:12:10,803 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-01 23:12:10,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-01 23:12:10,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-01 23:12:10,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-01 23:12:10,803 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-01 23:12:10,803 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-01 23:12:10,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-01 23:12:10,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-01 23:12:10,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-01 23:12:10,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-01 23:12:10,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-01 23:12:10,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-01 23:12:10,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-01 23:12:10,804 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-01 23:12:10,804 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-01 23:12:10,804 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-01 23:12:10,805 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-01 23:12:10,805 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-01 23:12:10,805 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-01 23:12:10,805 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-01 23:12:10,805 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-01 23:12:10,805 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-01 23:12:10,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:12:10,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-01 23:12:10,805 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-01 23:12:10,806 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-01 23:12:10,806 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-01 23:12:10,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:12:10,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-01 23:12:10,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-01 23:12:10,806 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-01 23:12:10,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-01 23:12:10,806 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-01 23:12:10,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-01 23:12:10,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-01 23:12:10,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-01 23:12:10,807 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-01 23:12:10,807 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-01 23:12:10,807 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_26c85483-71dc-4837-8770-0e375bf79379/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 -> aad0f86d7ec66ee2be677dc669c03e51908c72b031bd495b9b858f7b8ca3aec7
[2024-12-01 23:12:11,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-01 23:12:11,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-01 23:12:11,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-01 23:12:11,025 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-01 23:12:11,025 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-01 23:12:11,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c85483-71dc-4837-8770-0e375bf79379/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_good.i
[2024-12-01 23:12:13,617 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c85483-71dc-4837-8770-0e375bf79379/bin/uautomizer-verify-84ZbGMXZE1/data/725f60199/52acdf736dbc43c7b289dc8b8c002110/FLAG2f04f6ee6
[2024-12-01 23:12:13,957 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-01 23:12:13,958 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c85483-71dc-4837-8770-0e375bf79379/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_good.i
[2024-12-01 23:12:13,979 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c85483-71dc-4837-8770-0e375bf79379/bin/uautomizer-verify-84ZbGMXZE1/data/725f60199/52acdf736dbc43c7b289dc8b8c002110/FLAG2f04f6ee6
[2024-12-01 23:12:14,204 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c85483-71dc-4837-8770-0e375bf79379/bin/uautomizer-verify-84ZbGMXZE1/data/725f60199/52acdf736dbc43c7b289dc8b8c002110
[2024-12-01 23:12:14,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-01 23:12:14,208 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-01 23:12:14,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-01 23:12:14,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-01 23:12:14,213 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-01 23:12:14,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:14" (1/1) ...
[2024-12-01 23:12:14,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ca64fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:14, skipping insertion in model container
[2024-12-01 23:12:14,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:14" (1/1) ...
[2024-12-01 23:12:14,252 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-01 23:12:14,893 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-01 23:12:14,899 INFO L200 MainTranslator]: Completed pre-run
[2024-12-01 23:12:14,978 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-01 23:12:15,063 INFO L204 MainTranslator]: Completed translation
[2024-12-01 23:12:15,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:15 WrapperNode
[2024-12-01 23:12:15,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-01 23:12:15,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-01 23:12:15,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-01 23:12:15,064 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-01 23:12:15,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:15" (1/1) ...
[2024-12-01 23:12:15,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:15" (1/1) ...
[2024-12-01 23:12:15,105 INFO L138 Inliner]: procedures = 500, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 131
[2024-12-01 23:12:15,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-01 23:12:15,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-01 23:12:15,106 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-01 23:12:15,106 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-01 23:12:15,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:15" (1/1) ...
[2024-12-01 23:12:15,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:15" (1/1) ...
[2024-12-01 23:12:15,117 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:15" (1/1) ...
[2024-12-01 23:12:15,130 INFO L175 MemorySlicer]: Split 2 memory accesses to 2 slices as follows [1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [1, 1]. The 0 writes are split as follows [0, 0].
[2024-12-01 23:12:15,130 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:15" (1/1) ...
[2024-12-01 23:12:15,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:15" (1/1) ...
[2024-12-01 23:12:15,134 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:15" (1/1) ...
[2024-12-01 23:12:15,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:15" (1/1) ...
[2024-12-01 23:12:15,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:15" (1/1) ...
[2024-12-01 23:12:15,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:15" (1/1) ...
[2024-12-01 23:12:15,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:15" (1/1) ...
[2024-12-01 23:12:15,139 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-01 23:12:15,140 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-01 23:12:15,140 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-01 23:12:15,140 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-01 23:12:15,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:15" (1/1) ...
[2024-12-01 23:12:15,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:12:15,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c85483-71dc-4837-8770-0e375bf79379/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:12:15,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c85483-71dc-4837-8770-0e375bf79379/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-01 23:12:15,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c85483-71dc-4837-8770-0e375bf79379/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-01 23:12:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2024-12-01 23:12:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-12-01 23:12:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse
[2024-12-01 23:12:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse
[2024-12-01 23:12:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-12-01 23:12:15,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-12-01 23:12:15,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-01 23:12:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-01 23:12:15,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-01 23:12:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-01 23:12:15,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-01 23:12:15,304 INFO L234 CfgBuilder]: Building ICFG
[2024-12-01 23:12:15,306 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-01 23:12:15,479 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live.
[2024-12-01 23:12:15,479 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-01 23:12:15,489 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-01 23:12:15,489 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-01 23:12:15,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:15 BoogieIcfgContainer
[2024-12-01 23:12:15,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-01 23:12:15,492 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-01 23:12:15,492 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-01 23:12:15,495 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-01 23:12:15,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:12:14" (1/3) ...
[2024-12-01 23:12:15,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5055fd1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:12:15, skipping insertion in model container
[2024-12-01 23:12:15,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:15" (2/3) ...
[2024-12-01 23:12:15,496 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5055fd1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:12:15, skipping insertion in model container
[2024-12-01 23:12:15,496 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:15" (3/3) ...
[2024-12-01 23:12:15,497 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_12_good.i
[2024-12-01 23:12:15,507 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-01 23:12:15,508 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_12_good.i that has 4 procedures, 72 locations, 1 initial locations, 0 loop locations, and 8 error locations.
[2024-12-01 23:12:15,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-01 23:12:15,559 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;@5a26f3d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-01 23:12:15,559 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-12-01 23:12:15,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 58 states have internal predecessors, (67), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14)
[2024-12-01 23:12:15,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-12-01 23:12:15,567 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:12:15,567 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:12:15,568 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-01 23:12:15,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:12:15,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1386443996, now seen corresponding path program 1 times
[2024-12-01 23:12:15,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:12:15,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372710221]
[2024-12-01 23:12:15,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:12:15,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:12:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:12:15,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-01 23:12:15,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:12:15,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372710221]
[2024-12-01 23:12:15,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372710221] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:12:15,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:12:15,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 23:12:15,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139261863]
[2024-12-01 23:12:15,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:12:15,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:12:15,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:12:15,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:12:15,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:12:15,846 INFO L87 Difference]: Start difference. First operand has 72 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 58 states have internal predecessors, (67), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-01 23:12:15,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:12:15,897 INFO L93 Difference]: Finished difference Result 72 states and 95 transitions.
[2024-12-01 23:12:15,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:12:15,899 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25
[2024-12-01 23:12:15,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:12:15,904 INFO L225 Difference]: With dead ends: 72
[2024-12-01 23:12:15,904 INFO L226 Difference]: Without dead ends: 59
[2024-12-01 23:12:15,906 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
[2024-12-01 23:12:15,908 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 3 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:12:15,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 158 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:12:15,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2024-12-01 23:12:15,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59.
[2024-12-01 23:12:15,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 48 states have internal predecessors, (54), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11)
[2024-12-01 23:12:15,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 76 transitions.
[2024-12-01 23:12:15,945 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 76 transitions. Word has length 25
[2024-12-01 23:12:15,945 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:12:15,946 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 76 transitions.
[2024-12-01 23:12:15,946 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-01 23:12:15,946 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions.
[2024-12-01 23:12:15,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-12-01 23:12:15,947 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:12:15,947 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:12:15,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-01 23:12:15,948 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-01 23:12:15,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:12:15,949 INFO L85 PathProgramCache]: Analyzing trace with hash 30091022, now seen corresponding path program 1 times
[2024-12-01 23:12:15,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:12:15,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665996930]
[2024-12-01 23:12:15,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:12:15,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:12:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:12:16,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-01 23:12:16,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:12:16,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665996930]
[2024-12-01 23:12:16,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665996930] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:12:16,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:12:16,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 23:12:16,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107121827]
[2024-12-01 23:12:16,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:12:16,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:12:16,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:12:16,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:12:16,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:12:16,049 INFO L87 Difference]: Start difference. First operand 59 states and 76 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-01 23:12:16,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:12:16,100 INFO L93 Difference]: Finished difference Result 94 states and 120 transitions.
[2024-12-01 23:12:16,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:12:16,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26
[2024-12-01 23:12:16,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:12:16,102 INFO L225 Difference]: With dead ends: 94
[2024-12-01 23:12:16,102 INFO L226 Difference]: Without dead ends: 66
[2024-12-01 23:12:16,102 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
[2024-12-01 23:12:16,103 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 13 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:12:16,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 128 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:12:16,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2024-12-01 23:12:16,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66.
[2024-12-01 23:12:16,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 47 states have (on average 1.3404255319148937) internal successors, (63), 52 states have internal predecessors, (63), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12)
[2024-12-01 23:12:16,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 87 transitions.
[2024-12-01 23:12:16,111 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 87 transitions. Word has length 26
[2024-12-01 23:12:16,111 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:12:16,111 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 87 transitions.
[2024-12-01 23:12:16,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-01 23:12:16,112 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions.
[2024-12-01 23:12:16,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2024-12-01 23:12:16,112 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:12:16,112 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:12:16,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-01 23:12:16,113 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-01 23:12:16,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:12:16,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1568642369, now seen corresponding path program 1 times
[2024-12-01 23:12:16,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:12:16,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801766868]
[2024-12-01 23:12:16,113 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:12:16,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:12:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:12:16,218 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2024-12-01 23:12:16,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:12:16,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801766868]
[2024-12-01 23:12:16,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801766868] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:12:16,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:12:16,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 23:12:16,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10677430]
[2024-12-01 23:12:16,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:12:16,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:12:16,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:12:16,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:12:16,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:12:16,220 INFO L87 Difference]: Start difference. First operand 66 states and 87 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:12:16,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:12:16,242 INFO L93 Difference]: Finished difference Result 66 states and 87 transitions.
[2024-12-01 23:12:16,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:12:16,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38
[2024-12-01 23:12:16,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:12:16,243 INFO L225 Difference]: With dead ends: 66
[2024-12-01 23:12:16,244 INFO L226 Difference]: Without dead ends: 0
[2024-12-01 23:12:16,244 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
[2024-12-01 23:12:16,245 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 4 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:12:16,245 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 126 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:12:16,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-01 23:12:16,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-01 23:12:16,246 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)
[2024-12-01 23:12:16,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-01 23:12:16,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38
[2024-12-01 23:12:16,247 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:12:16,247 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-01 23:12:16,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-01 23:12:16,247 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-01 23:12:16,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-01 23:12:16,249 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining)
[2024-12-01 23:12:16,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining)
[2024-12-01 23:12:16,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining)
[2024-12-01 23:12:16,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining)
[2024-12-01 23:12:16,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining)
[2024-12-01 23:12:16,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining)
[2024-12-01 23:12:16,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining)
[2024-12-01 23:12:16,250 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining)
[2024-12-01 23:12:16,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-01 23:12:16,253 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-12-01 23:12:16,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-01 23:12:16,286 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-01 23:12:16,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:12:16 BoogieIcfgContainer
[2024-12-01 23:12:16,291 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-01 23:12:16,292 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-01 23:12:16,292 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-01 23:12:16,292 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-01 23:12:16,293 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:15" (3/4) ...
[2024-12-01 23:12:16,295 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-01 23:12:16,300 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2024-12-01 23:12:16,300 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse
[2024-12-01 23:12:16,300 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2024-12-01 23:12:16,304 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges
[2024-12-01 23:12:16,304 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2024-12-01 23:12:16,304 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-01 23:12:16,305 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-01 23:12:16,364 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c85483-71dc-4837-8770-0e375bf79379/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-01 23:12:16,365 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c85483-71dc-4837-8770-0e375bf79379/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-01 23:12:16,365 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-01 23:12:16,365 INFO L158 Benchmark]: Toolchain (without parser) took 2157.79ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 87.6MB in the end (delta: 25.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB.
[2024-12-01 23:12:16,366 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 23:12:16,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 855.00ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 53.4MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
[2024-12-01 23:12:16,366 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.78ms. Allocated memory is still 142.6MB. Free memory was 53.4MB in the beginning and 111.5MB in the end (delta: -58.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB.
[2024-12-01 23:12:16,366 INFO L158 Benchmark]: Boogie Preprocessor took 33.63ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 109.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 23:12:16,367 INFO L158 Benchmark]: RCFGBuilder took 350.19ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 92.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-01 23:12:16,367 INFO L158 Benchmark]: TraceAbstraction took 799.88ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 93.8MB in the end (delta: -1.8MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB.
[2024-12-01 23:12:16,367 INFO L158 Benchmark]: Witness Printer took 72.54ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 87.6MB in the end (delta: 6.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 23:12:16,369 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 855.00ms. Allocated memory is still 142.6MB. Free memory was 113.3MB in the beginning and 53.4MB in the end (delta: 59.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.78ms. Allocated memory is still 142.6MB. Free memory was 53.4MB in the beginning and 111.5MB in the end (delta: -58.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 33.63ms. Allocated memory is still 142.6MB. Free memory was 111.5MB in the beginning and 109.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 350.19ms. Allocated memory is still 142.6MB. Free memory was 109.5MB in the beginning and 92.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 799.88ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 93.8MB in the end (delta: -1.8MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB.
* Witness Printer took 72.54ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 87.6MB in the end (delta: 6.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 1586]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1586]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1601]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1601]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1627]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1627]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1635]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1635]: 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 4 procedures, 72 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 412 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 226 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 104 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 24/24 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
8 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-01 23:12:16,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c85483-71dc-4837-8770-0e375bf79379/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