./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_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_423f471a-8f1f-41ac-a030-96611fe23ea4/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_423f471a-8f1f-41ac-a030-96611fe23ea4/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_423f471a-8f1f-41ac-a030-96611fe23ea4/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_423f471a-8f1f-41ac-a030-96611fe23ea4/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_423f471a-8f1f-41ac-a030-96611fe23ea4/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_423f471a-8f1f-41ac-a030-96611fe23ea4/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 24d72a2120f95f3cf22949963a59da230e0fbc143a8b1a1c5541a1b542d02a88
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 14:32:16,252 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 14:32:16,302 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_423f471a-8f1f-41ac-a030-96611fe23ea4/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-12-02 14:32:16,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 14:32:16,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 14:32:16,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 14:32:16,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 14:32:16,326 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 14:32:16,327 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 14:32:16,327 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 14:32:16,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 14:32:16,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 14:32:16,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 14:32:16,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 14:32:16,327 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 14:32:16,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 14:32:16,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 14:32:16,328 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 14:32:16,328 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 14:32:16,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 14:32:16,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 14:32:16,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 14:32:16,328 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 14:32:16,328 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 14:32:16,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 14:32:16,328 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 14:32:16,328 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 14:32:16,329 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 14:32:16,329 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 14:32:16,329 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 14:32:16,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 14:32:16,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:32:16,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 14:32:16,329 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 14:32:16,329 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 14:32:16,329 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 14:32:16,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:32:16,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 14:32:16,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 14:32:16,330 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 14:32:16,330 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 14:32:16,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 14:32:16,330 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 14:32:16,330 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 14:32:16,330 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 14:32:16,330 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 14:32:16,330 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 14:32:16,331 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_423f471a-8f1f-41ac-a030-96611fe23ea4/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 -> 24d72a2120f95f3cf22949963a59da230e0fbc143a8b1a1c5541a1b542d02a88
[2024-12-02 14:32:16,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 14:32:16,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 14:32:16,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 14:32:16,528 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 14:32:16,528 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 14:32:16,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_423f471a-8f1f-41ac-a030-96611fe23ea4/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_good.i
[2024-12-02 14:32:19,116 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_423f471a-8f1f-41ac-a030-96611fe23ea4/bin/uautomizer-verify-84ZbGMXZE1/data/7ceb452ca/d821cf431e9049f0ad1030ef54a0f7d7/FLAG3ae5cdcc8
[2024-12-02 14:32:19,439 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 14:32:19,440 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_423f471a-8f1f-41ac-a030-96611fe23ea4/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_good.i
[2024-12-02 14:32:19,463 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_423f471a-8f1f-41ac-a030-96611fe23ea4/bin/uautomizer-verify-84ZbGMXZE1/data/7ceb452ca/d821cf431e9049f0ad1030ef54a0f7d7/FLAG3ae5cdcc8
[2024-12-02 14:32:19,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_423f471a-8f1f-41ac-a030-96611fe23ea4/bin/uautomizer-verify-84ZbGMXZE1/data/7ceb452ca/d821cf431e9049f0ad1030ef54a0f7d7
[2024-12-02 14:32:19,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 14:32:19,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 14:32:19,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 14:32:19,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 14:32:19,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 14:32:19,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:32:19" (1/1) ...
[2024-12-02 14:32:19,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@174fafd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:19, skipping insertion in model container
[2024-12-02 14:32:19,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:32:19" (1/1) ...
[2024-12-02 14:32:19,760 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 14:32:20,591 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 14:32:20,601 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 14:32:20,680 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 14:32:20,777 INFO L204 MainTranslator]: Completed translation
[2024-12-02 14:32:20,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:20 WrapperNode
[2024-12-02 14:32:20,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 14:32:20,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 14:32:20,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 14:32:20,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 14:32:20,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:20" (1/1) ...
[2024-12-02 14:32:20,797 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:20" (1/1) ...
[2024-12-02 14:32:20,818 INFO L138 Inliner]: procedures = 503, calls = 36, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85
[2024-12-02 14:32:20,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 14:32:20,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 14:32:20,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 14:32:20,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 14:32:20,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:20" (1/1) ...
[2024-12-02 14:32:20,828 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:20" (1/1) ...
[2024-12-02 14:32:20,831 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:20" (1/1) ...
[2024-12-02 14:32:20,844 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0].
[2024-12-02 14:32:20,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:20" (1/1) ...
[2024-12-02 14:32:20,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:20" (1/1) ...
[2024-12-02 14:32:20,850 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:20" (1/1) ...
[2024-12-02 14:32:20,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:20" (1/1) ...
[2024-12-02 14:32:20,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:20" (1/1) ...
[2024-12-02 14:32:20,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:20" (1/1) ...
[2024-12-02 14:32:20,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:20" (1/1) ...
[2024-12-02 14:32:20,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 14:32:20,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 14:32:20,859 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 14:32:20,859 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 14:32:20,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:20" (1/1) ...
[2024-12-02 14:32:20,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 14:32:20,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_423f471a-8f1f-41ac-a030-96611fe23ea4/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 14:32:20,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_423f471a-8f1f-41ac-a030-96611fe23ea4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 14:32:20,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_423f471a-8f1f-41ac-a030-96611fe23ea4/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 14:32:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2024-12-02 14:32:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-12-02 14:32:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-12-02 14:32:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-12-02 14:32:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 14:32:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID
[2024-12-02 14:32:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID
[2024-12-02 14:32:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 14:32:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 14:32:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 14:32:21,034 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 14:32:21,035 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 14:32:21,168 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live.
[2024-12-02 14:32:21,168 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 14:32:21,178 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 14:32:21,178 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 14:32:21,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:32:21 BoogieIcfgContainer
[2024-12-02 14:32:21,179 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 14:32:21,181 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 14:32:21,181 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 14:32:21,186 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 14:32:21,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:32:19" (1/3) ...
[2024-12-02 14:32:21,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c8a4c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:32:21, skipping insertion in model container
[2024-12-02 14:32:21,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:32:20" (2/3) ...
[2024-12-02 14:32:21,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c8a4c3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:32:21, skipping insertion in model container
[2024-12-02 14:32:21,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:32:21" (3/3) ...
[2024-12-02 14:32:21,188 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_65_good.i
[2024-12-02 14:32:21,203 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 14:32:21,204 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_postinc_65_good.i that has 4 procedures, 44 locations, 1 initial locations, 0 loop locations, and 4 error locations.
[2024-12-02 14:32:21,256 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 14:32:21,269 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;@100b8756, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 14:32:21,269 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-12-02 14:32:21,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 34 states have internal predecessors, (36), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-12-02 14:32:21,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-12-02 14:32:21,280 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:32:21,280 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:32:21,281 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 14:32:21,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:32:21,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1313054353, now seen corresponding path program 1 times
[2024-12-02 14:32:21,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:32:21,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26220598]
[2024-12-02 14:32:21,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:32:21,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:32:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:32:21,597 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 14:32:21,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:32:21,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26220598]
[2024-12-02 14:32:21,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26220598] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:32:21,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:32:21,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:32:21,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869311298]
[2024-12-02 14:32:21,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:32:21,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 14:32:21,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:32:21,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 14:32:21,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:32:21,620 INFO L87 Difference]: Start difference. First operand has 44 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 34 states have internal predecessors, (36), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 14:32:21,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:32:21,709 INFO L93 Difference]: Finished difference Result 64 states and 76 transitions.
[2024-12-02 14:32:21,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 14:32:21,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12
[2024-12-02 14:32:21,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:32:21,716 INFO L225 Difference]: With dead ends: 64
[2024-12-02 14:32:21,716 INFO L226 Difference]: Without dead ends: 46
[2024-12-02 14:32:21,718 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-12-02 14:32:21,721 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 17 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:32:21,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 231 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:32:21,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-12-02 14:32:21,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44.
[2024-12-02 14:32:21,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 30 states have (on average 1.3) internal successors, (39), 35 states have internal predecessors, (39), 7 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 14:32:21,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 52 transitions.
[2024-12-02 14:32:21,771 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 52 transitions. Word has length 12
[2024-12-02 14:32:21,772 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:32:21,772 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 52 transitions.
[2024-12-02 14:32:21,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 14:32:21,772 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 52 transitions.
[2024-12-02 14:32:21,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 14:32:21,773 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:32:21,773 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:32:21,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 14:32:21,774 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 14:32:21,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:32:21,775 INFO L85 PathProgramCache]: Analyzing trace with hash 2049963512, now seen corresponding path program 1 times
[2024-12-02 14:32:21,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:32:21,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518655015]
[2024-12-02 14:32:21,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:32:21,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:32:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:32:21,903 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 14:32:21,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:32:21,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518655015]
[2024-12-02 14:32:21,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518655015] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:32:21,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:32:21,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 14:32:21,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68901721]
[2024-12-02 14:32:21,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:32:21,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 14:32:21,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:32:21,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 14:32:21,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:32:21,906 INFO L87 Difference]: Start difference. First operand 44 states and 52 transitions. Second operand has 7 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 14:32:21,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:32:21,987 INFO L93 Difference]: Finished difference Result 67 states and 76 transitions.
[2024-12-02 14:32:21,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 14:32:21,988 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13
[2024-12-02 14:32:21,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:32:21,989 INFO L225 Difference]: With dead ends: 67
[2024-12-02 14:32:21,989 INFO L226 Difference]: Without dead ends: 43
[2024-12-02 14:32:21,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2024-12-02 14:32:21,991 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 14 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:32:21,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 192 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:32:21,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2024-12-02 14:32:21,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43.
[2024-12-02 14:32:21,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 30 states have (on average 1.2) internal successors, (36), 34 states have internal predecessors, (36), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 14:32:21,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions.
[2024-12-02 14:32:21,997 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 13
[2024-12-02 14:32:21,997 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:32:21,997 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions.
[2024-12-02 14:32:21,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 14:32:21,998 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions.
[2024-12-02 14:32:21,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2024-12-02 14:32:21,999 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:32:21,999 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, 1, 1]
[2024-12-02 14:32:21,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 14:32:21,999 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 14:32:22,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:32:22,000 INFO L85 PathProgramCache]: Analyzing trace with hash 379949540, now seen corresponding path program 1 times
[2024-12-02 14:32:22,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:32:22,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209732091]
[2024-12-02 14:32:22,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:32:22,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:32:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:32:22,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:32:22,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:32:22,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209732091]
[2024-12-02 14:32:22,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209732091] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:32:22,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:32:22,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 14:32:22,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820674855]
[2024-12-02 14:32:22,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:32:22,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 14:32:22,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:32:22,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 14:32:22,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 14:32:22,168 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 14:32:22,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:32:22,230 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions.
[2024-12-02 14:32:22,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 14:32:22,231 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28
[2024-12-02 14:32:22,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:32:22,232 INFO L225 Difference]: With dead ends: 43
[2024-12-02 14:32:22,232 INFO L226 Difference]: Without dead ends: 42
[2024-12-02 14:32:22,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-12-02 14:32:22,233 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 11 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:32:22,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 186 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:32:22,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2024-12-02 14:32:22,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2024-12-02 14:32:22,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 33 states have internal predecessors, (35), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 14:32:22,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions.
[2024-12-02 14:32:22,239 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 28
[2024-12-02 14:32:22,240 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:32:22,240 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions.
[2024-12-02 14:32:22,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 14:32:22,240 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions.
[2024-12-02 14:32:22,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2024-12-02 14:32:22,240 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:32:22,240 INFO L218 NwaCegarLoop]: trace histogram [2, 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]
[2024-12-02 14:32:22,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 14:32:22,241 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 14:32:22,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:32:22,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1106481915, now seen corresponding path program 1 times
[2024-12-02 14:32:22,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:32:22,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527965179]
[2024-12-02 14:32:22,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:32:22,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:32:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:32:22,380 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:32:22,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:32:22,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527965179]
[2024-12-02 14:32:22,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527965179] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:32:22,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:32:22,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 14:32:22,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904673693]
[2024-12-02 14:32:22,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:32:22,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 14:32:22,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:32:22,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 14:32:22,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-02 14:32:22,382 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 14:32:22,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:32:22,458 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions.
[2024-12-02 14:32:22,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-02 14:32:22,459 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29
[2024-12-02 14:32:22,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:32:22,459 INFO L225 Difference]: With dead ends: 42
[2024-12-02 14:32:22,459 INFO L226 Difference]: Without dead ends: 41
[2024-12-02 14:32:22,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2024-12-02 14:32:22,461 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 10 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:32:22,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 213 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:32:22,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-12-02 14:32:22,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2024-12-02 14:32:22,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 32 states have internal predecessors, (34), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 14:32:22,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions.
[2024-12-02 14:32:22,467 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 29
[2024-12-02 14:32:22,467 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:32:22,467 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions.
[2024-12-02 14:32:22,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 14:32:22,467 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions.
[2024-12-02 14:32:22,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30
[2024-12-02 14:32:22,468 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:32:22,468 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 14:32:22,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 14:32:22,468 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 14:32:22,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:32:22,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1106466059, now seen corresponding path program 1 times
[2024-12-02 14:32:22,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:32:22,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598823117]
[2024-12-02 14:32:22,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:32:22,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:32:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:32:22,587 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 14:32:22,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:32:22,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598823117]
[2024-12-02 14:32:22,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598823117] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:32:22,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:32:22,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 14:32:22,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951885579]
[2024-12-02 14:32:22,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:32:22,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 14:32:22,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:32:22,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 14:32:22,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:32:22,589 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 14:32:22,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:32:22,618 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions.
[2024-12-02 14:32:22,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 14:32:22,619 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29
[2024-12-02 14:32:22,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:32:22,621 INFO L225 Difference]: With dead ends: 43
[2024-12-02 14:32:22,621 INFO L226 Difference]: Without dead ends: 40
[2024-12-02 14:32:22,621 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 14:32:22,622 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 8 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:32:22,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 94 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:32:22,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2024-12-02 14:32:22,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38.
[2024-12-02 14:32:22,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.1071428571428572) internal successors, (31), 29 states have internal predecessors, (31), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 14:32:22,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions.
[2024-12-02 14:32:22,629 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 29
[2024-12-02 14:32:22,629 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:32:22,629 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions.
[2024-12-02 14:32:22,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 14:32:22,630 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions.
[2024-12-02 14:32:22,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2024-12-02 14:32:22,630 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 14:32:22,631 INFO L218 NwaCegarLoop]: trace histogram [2, 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]
[2024-12-02 14:32:22,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 14:32:22,631 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-12-02 14:32:22,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 14:32:22,631 INFO L85 PathProgramCache]: Analyzing trace with hash 58799079, now seen corresponding path program 1 times
[2024-12-02 14:32:22,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 14:32:22,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461873258]
[2024-12-02 14:32:22,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 14:32:22,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 14:32:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 14:32:22,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 14:32:22,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 14:32:22,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461873258]
[2024-12-02 14:32:22,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461873258] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 14:32:22,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 14:32:22,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 14:32:22,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176479493]
[2024-12-02 14:32:22,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 14:32:22,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 14:32:22,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 14:32:22,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 14:32:22,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 14:32:22,695 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 14:32:22,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 14:32:22,706 INFO L93 Difference]: Finished difference Result 38 states and 42 transitions.
[2024-12-02 14:32:22,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 14:32:22,707 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30
[2024-12-02 14:32:22,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 14:32:22,707 INFO L225 Difference]: With dead ends: 38
[2024-12-02 14:32:22,707 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 14:32:22,708 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 14:32:22,708 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 14:32:22,709 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 14:32:22,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 14:32:22,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 14:32:22,709 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 14:32:22,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 14:32:22,710 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30
[2024-12-02 14:32:22,710 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 14:32:22,710 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 14:32:22,710 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 14:32:22,710 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 14:32:22,710 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 14:32:22,712 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-12-02 14:32:22,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-12-02 14:32:22,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-12-02 14:32:22,713 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-12-02 14:32:22,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 14:32:22,717 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-12-02 14:32:22,719 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 14:32:22,840 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 14:32:22,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:32:22 BoogieIcfgContainer
[2024-12-02 14:32:22,847 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 14:32:22,848 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 14:32:22,848 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 14:32:22,848 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 14:32:22,849 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:32:21" (3/4) ...
[2024-12-02 14:32:22,851 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 14:32:22,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2024-12-02 14:32:22,858 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2024-12-02 14:32:22,858 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID
[2024-12-02 14:32:22,862 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges
[2024-12-02 14:32:22,863 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2024-12-02 14:32:22,863 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-12-02 14:32:22,863 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 14:32:22,951 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_423f471a-8f1f-41ac-a030-96611fe23ea4/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 14:32:22,952 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_423f471a-8f1f-41ac-a030-96611fe23ea4/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 14:32:22,952 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 14:32:22,953 INFO L158 Benchmark]: Toolchain (without parser) took 3248.39ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 90.0MB in the beginning and 128.2MB in the end (delta: -38.2MB). Peak memory consumption was 67.7MB. Max. memory is 16.1GB.
[2024-12-02 14:32:22,953 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 14:32:22,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1072.02ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 79.7MB in the end (delta: 10.3MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB.
[2024-12-02 14:32:22,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.61ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 76.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 14:32:22,954 INFO L158 Benchmark]: Boogie Preprocessor took 39.48ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 14:32:22,954 INFO L158 Benchmark]: RCFGBuilder took 319.57ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 60.6MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 14:32:22,954 INFO L158 Benchmark]: TraceAbstraction took 1666.18ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 60.1MB in the beginning and 133.7MB in the end (delta: -73.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB.
[2024-12-02 14:32:22,955 INFO L158 Benchmark]: Witness Printer took 104.24ms. Allocated memory is still 218.1MB. Free memory was 133.7MB in the beginning and 128.2MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 14:32:22,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1072.02ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 79.7MB in the end (delta: 10.3MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.61ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 76.8MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 39.48ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 319.57ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 60.6MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1666.18ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 60.1MB in the beginning and 133.7MB in the end (delta: -73.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB.
* Witness Printer took 104.24ms. Allocated memory is still 218.1MB. Free memory was 133.7MB in the beginning and 128.2MB in the end (delta: 5.4MB). 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: 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: 1592]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1592]: 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, 44 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 983 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 747 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 157 IncrementalHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 236 mSDtfsCounter, 157 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 231 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 11/11 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 14:32:22,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_423f471a-8f1f-41ac-a030-96611fe23ea4/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