./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_65_good.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX --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 2b25f93e005c307e3c87bc20765da76bb2f5da227fe791f7d0b0df7514fe2ebf
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 18:23:08,525 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:23:08,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-08 18:23:08,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:23:08,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:23:08,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:23:08,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:23:08,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:23:08,652 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:23:08,652 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 18:23:08,653 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:23:08,654 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:23:08,655 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:23:08,655 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 18:23:08,656 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 18:23:08,656 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:23:08,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:23:08,658 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 18:23:08,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 18:23:08,659 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:23:08,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:23:08,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:23:08,664 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 18:23:08,665 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 18:23:08,665 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 18:23:08,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 18:23:08,666 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 18:23:08,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:23:08,670 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 18:23:08,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:23:08,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 18:23:08,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:23:08,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:23:08,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:23:08,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:23:08,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 18:23:08,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:23:08,675 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:23:08,675 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:23:08,676 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:23:08,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:23:08,678 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b25f93e005c307e3c87bc20765da76bb2f5da227fe791f7d0b0df7514fe2ebf
[2024-11-08 18:23:09,011 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:23:09,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:23:09,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:23:09,056 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 18:23:09,056 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 18:23:09,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_65_good.i
Unable to find full path for "g++"
[2024-11-08 18:23:11,728 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:23:12,175 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 18:23:12,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_65_good.i
[2024-11-08 18:23:12,219 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX/data/d890cc959/ad88649973564624a99842318b92c481/FLAG679903367
[2024-11-08 18:23:12,327 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX/data/d890cc959/ad88649973564624a99842318b92c481
[2024-11-08 18:23:12,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:23:12,332 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:23:12,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:23:12,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:23:12,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:23:12,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:23:12" (1/1) ...
[2024-11-08 18:23:12,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fb235e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:12, skipping insertion in model container
[2024-11-08 18:23:12,346 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:23:12" (1/1) ...
[2024-11-08 18:23:12,439 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:23:13,940 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:23:13,955 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 18:23:14,118 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:23:14,328 INFO L204 MainTranslator]: Completed translation
[2024-11-08 18:23:14,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:14 WrapperNode
[2024-11-08 18:23:14,329 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:23:14,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:23:14,331 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:23:14,331 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:23:14,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:14" (1/1) ...
[2024-11-08 18:23:14,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:14" (1/1) ...
[2024-11-08 18:23:14,432 INFO L138 Inliner]: procedures = 503, calls = 36, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 87
[2024-11-08 18:23:14,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:23:14,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:23:14,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:23:14,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:23:14,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:14" (1/1) ...
[2024-11-08 18:23:14,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:14" (1/1) ...
[2024-11-08 18:23:14,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:14" (1/1) ...
[2024-11-08 18:23:14,477 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].
[2024-11-08 18:23:14,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:14" (1/1) ...
[2024-11-08 18:23:14,478 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:14" (1/1) ...
[2024-11-08 18:23:14,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:14" (1/1) ...
[2024-11-08 18:23:14,487 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:14" (1/1) ...
[2024-11-08 18:23:14,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:14" (1/1) ...
[2024-11-08 18:23:14,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:14" (1/1) ...
[2024-11-08 18:23:14,494 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:23:14,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:23:14,496 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:23:14,496 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:23:14,497 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:14" (1/1) ...
[2024-11-08 18:23:14,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:23:14,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:23:14,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:23:14,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:23:14,595 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2024-11-08 18:23:14,597 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-11-08 18:23:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-08 18:23:14,597 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-08 18:23:14,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:23:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID
[2024-11-08 18:23:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID
[2024-11-08 18:23:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:23:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:23:14,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 18:23:14,879 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 18:23:14,882 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:23:15,128 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live.
[2024-11-08 18:23:15,128 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 18:23:15,144 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:23:15,144 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 18:23:15,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:23:15 BoogieIcfgContainer
[2024-11-08 18:23:15,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:23:15,148 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:23:15,148 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:23:15,153 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:23:15,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:23:12" (1/3) ...
[2024-11-08 18:23:15,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37326fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:23:15, skipping insertion in model container
[2024-11-08 18:23:15,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:23:14" (2/3) ...
[2024-11-08 18:23:15,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37326fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:23:15, skipping insertion in model container
[2024-11-08 18:23:15,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:23:15" (3/3) ...
[2024-11-08 18:23:15,156 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_sub_65_good.i
[2024-11-08 18:23:15,179 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:23:15,179 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2024-11-08 18:23:15,251 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:23:15,259 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;@24799687, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:23:15,260 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-08 18:23:15,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 34 states have internal predecessors, (38), 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)
[2024-11-08 18:23:15,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-11-08 18:23:15,275 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:23:15,276 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:23:15,277 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)] ===
[2024-11-08 18:23:15,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:23:15,284 INFO L85 PathProgramCache]: Analyzing trace with hash 977346252, now seen corresponding path program 1 times
[2024-11-08 18:23:15,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:23:15,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025613431]
[2024-11-08 18:23:15,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:23:15,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:23:15,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:23:15,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:23:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:23:15,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:23:15,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:23:15,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025613431]
[2024-11-08 18:23:15,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025613431] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:23:15,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:23:15,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 18:23:15,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314020305]
[2024-11-08 18:23:15,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:23:15,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:23:15,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:23:15,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:23:15,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:23:15,895 INFO L87 Difference]: Start difference. First operand has 46 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 34 states have internal predecessors, (38), 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)
[2024-11-08 18:23:16,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:23:16,047 INFO L93 Difference]: Finished difference Result 67 states and 79 transitions.
[2024-11-08 18:23:16,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 18:23:16,051 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
[2024-11-08 18:23:16,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:23:16,061 INFO L225 Difference]: With dead ends: 67
[2024-11-08 18:23:16,061 INFO L226 Difference]: Without dead ends: 49
[2024-11-08 18:23:16,065 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-08 18:23:16,069 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 19 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:23:16,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 234 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:23:16,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2024-11-08 18:23:16,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46.
[2024-11-08 18:23:16,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 32 states have (on average 1.3125) internal successors, (42), 35 states have internal predecessors, (42), 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)
[2024-11-08 18:23:16,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 55 transitions.
[2024-11-08 18:23:16,119 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 55 transitions. Word has length 12
[2024-11-08 18:23:16,121 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:23:16,121 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 55 transitions.
[2024-11-08 18:23:16,122 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)
[2024-11-08 18:23:16,122 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions.
[2024-11-08 18:23:16,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-08 18:23:16,124 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:23:16,124 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:23:16,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:23:16,124 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)] ===
[2024-11-08 18:23:16,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:23:16,126 INFO L85 PathProgramCache]: Analyzing trace with hash 232945982, now seen corresponding path program 1 times
[2024-11-08 18:23:16,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:23:16,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454813982]
[2024-11-08 18:23:16,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:23:16,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:23:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:23:16,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:23:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:23:16,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:23:16,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:23:16,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454813982]
[2024-11-08 18:23:16,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454813982] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:23:16,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:23:16,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 18:23:16,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238656975]
[2024-11-08 18:23:16,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:23:16,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:23:16,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:23:16,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:23:16,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:23:16,267 INFO L87 Difference]: Start difference. First operand 46 states and 55 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 18:23:16,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:23:16,308 INFO L93 Difference]: Finished difference Result 46 states and 55 transitions.
[2024-11-08 18:23:16,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 18:23:16,309 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 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
[2024-11-08 18:23:16,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:23:16,311 INFO L225 Difference]: With dead ends: 46
[2024-11-08 18:23:16,311 INFO L226 Difference]: Without dead ends: 45
[2024-11-08 18:23:16,312 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:23:16,314 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 1 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 18:23:16,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 80 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 18:23:16,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2024-11-08 18:23:16,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45.
[2024-11-08 18:23:16,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.25) internal successors, (40), 34 states have internal predecessors, (40), 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)
[2024-11-08 18:23:16,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 53 transitions.
[2024-11-08 18:23:16,335 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 53 transitions. Word has length 13
[2024-11-08 18:23:16,335 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:23:16,336 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 53 transitions.
[2024-11-08 18:23:16,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 18:23:16,336 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 53 transitions.
[2024-11-08 18:23:16,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-08 18:23:16,337 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:23:16,338 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:23:16,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:23:16,339 INFO L396 AbstractCegarLoop]: === Iteration 3 === 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)] ===
[2024-11-08 18:23:16,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:23:16,340 INFO L85 PathProgramCache]: Analyzing trace with hash 232962831, now seen corresponding path program 1 times
[2024-11-08 18:23:16,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:23:16,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891693547]
[2024-11-08 18:23:16,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:23:16,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:23:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:23:16,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:23:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:23:16,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:23:16,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:23:16,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891693547]
[2024-11-08 18:23:16,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891693547] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:23:16,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:23:16,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 18:23:16,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926659026]
[2024-11-08 18:23:16,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:23:16,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:23:16,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:23:16,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:23:16,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:23:16,586 INFO L87 Difference]: Start difference. First operand 45 states and 53 transitions. Second operand has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 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)
[2024-11-08 18:23:16,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:23:16,689 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions.
[2024-11-08 18:23:16,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 18:23:16,693 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 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
[2024-11-08 18:23:16,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:23:16,694 INFO L225 Difference]: With dead ends: 47
[2024-11-08 18:23:16,694 INFO L226 Difference]: Without dead ends: 46
[2024-11-08 18:23:16,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-08 18:23:16,699 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 16 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:23:16,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 180 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:23:16,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-11-08 18:23:16,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45.
[2024-11-08 18:23:16,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 32 states have (on average 1.21875) internal successors, (39), 34 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)
[2024-11-08 18:23:16,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions.
[2024-11-08 18:23:16,723 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 13
[2024-11-08 18:23:16,723 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:23:16,724 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions.
[2024-11-08 18:23:16,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 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)
[2024-11-08 18:23:16,724 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions.
[2024-11-08 18:23:16,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-08 18:23:16,726 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:23:16,727 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 18:23:16,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 18:23:16,727 INFO L396 AbstractCegarLoop]: === Iteration 4 === 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)] ===
[2024-11-08 18:23:16,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:23:16,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1368609073, now seen corresponding path program 1 times
[2024-11-08 18:23:16,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:23:16,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563943620]
[2024-11-08 18:23:16,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:23:16,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:23:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:23:16,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:23:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:23:16,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:23:16,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:23:16,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563943620]
[2024-11-08 18:23:16,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563943620] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:23:16,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:23:16,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:23:16,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124194531]
[2024-11-08 18:23:16,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:23:16,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:23:16,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:23:16,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:23:16,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:23:16,878 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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)
[2024-11-08 18:23:16,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:23:16,903 INFO L93 Difference]: Finished difference Result 70 states and 77 transitions.
[2024-11-08 18:23:16,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 18:23:16,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 14
[2024-11-08 18:23:16,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:23:16,905 INFO L225 Difference]: With dead ends: 70
[2024-11-08 18:23:16,905 INFO L226 Difference]: Without dead ends: 37
[2024-11-08 18:23:16,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:23:16,907 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 6 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 18:23:16,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 92 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 18:23:16,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2024-11-08 18:23:16,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37.
[2024-11-08 18:23:16,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 28 states have internal predecessors, (30), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-08 18:23:16,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions.
[2024-11-08 18:23:16,916 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 14
[2024-11-08 18:23:16,916 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:23:16,917 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions.
[2024-11-08 18:23:16,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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)
[2024-11-08 18:23:16,917 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions.
[2024-11-08 18:23:16,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2024-11-08 18:23:16,918 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:23:16,919 INFO L215 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]
[2024-11-08 18:23:16,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 18:23:16,919 INFO L396 AbstractCegarLoop]: === Iteration 5 === 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)] ===
[2024-11-08 18:23:16,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:23:16,920 INFO L85 PathProgramCache]: Analyzing trace with hash 2143132381, now seen corresponding path program 1 times
[2024-11-08 18:23:16,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:23:16,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613396851]
[2024-11-08 18:23:16,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:23:16,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:23:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:23:17,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:23:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:23:17,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 18:23:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:23:17,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-08 18:23:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:23:17,263 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:23:17,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:23:17,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613396851]
[2024-11-08 18:23:17,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613396851] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:23:17,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:23:17,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 18:23:17,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764896997]
[2024-11-08 18:23:17,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:23:17,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 18:23:17,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:23:17,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 18:23:17,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:23:17,267 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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)
[2024-11-08 18:23:17,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:23:17,291 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions.
[2024-11-08 18:23:17,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 18:23:17,292 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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
[2024-11-08 18:23:17,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:23:17,293 INFO L225 Difference]: With dead ends: 37
[2024-11-08 18:23:17,293 INFO L226 Difference]: Without dead ends: 33
[2024-11-08 18:23:17,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 18:23:17,295 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 6 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 18:23:17,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 84 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 18:23:17,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2024-11-08 18:23:17,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33.
[2024-11-08 18:23:17,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 24 states have (on average 1.0833333333333333) internal successors, (26), 24 states have internal predecessors, (26), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-11-08 18:23:17,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions.
[2024-11-08 18:23:17,303 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 28
[2024-11-08 18:23:17,303 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:23:17,304 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions.
[2024-11-08 18:23:17,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 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)
[2024-11-08 18:23:17,304 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions.
[2024-11-08 18:23:17,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2024-11-08 18:23:17,305 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 18:23:17,305 INFO L215 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]
[2024-11-08 18:23:17,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 18:23:17,306 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)] ===
[2024-11-08 18:23:17,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:23:17,307 INFO L85 PathProgramCache]: Analyzing trace with hash -2034603360, now seen corresponding path program 1 times
[2024-11-08 18:23:17,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:23:17,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347437451]
[2024-11-08 18:23:17,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:23:17,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:23:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:23:17,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 18:23:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:23:17,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2024-11-08 18:23:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:23:17,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4
[2024-11-08 18:23:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:23:17,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 18:23:17,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:23:17,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347437451]
[2024-11-08 18:23:17,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347437451] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:23:17,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:23:17,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 18:23:17,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432365395]
[2024-11-08 18:23:17,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:23:17,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 18:23:17,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:23:17,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 18:23:17,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-08 18:23:17,518 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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)
[2024-11-08 18:23:17,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:23:17,572 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions.
[2024-11-08 18:23:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 18:23:17,573 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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 30
[2024-11-08 18:23:17,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:23:17,574 INFO L225 Difference]: With dead ends: 33
[2024-11-08 18:23:17,574 INFO L226 Difference]: Without dead ends: 0
[2024-11-08 18:23:17,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-08 18:23:17,575 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 6 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 18:23:17,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 139 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 18:23:17,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-08 18:23:17,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-08 18:23:17,577 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)
[2024-11-08 18:23:17,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-08 18:23:17,578 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30
[2024-11-08 18:23:17,578 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:23:17,578 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 18:23:17,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 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)
[2024-11-08 18:23:17,579 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-08 18:23:17,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-08 18:23:17,582 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-11-08 18:23:17,583 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-11-08 18:23:17,583 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-11-08 18:23:17,584 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-11-08 18:23:17,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-08 18:23:17,589 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-11-08 18:23:17,592 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-08 18:23:17,877 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 18:23:17,895 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
[2024-11-08 18:23:17,896 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
[2024-11-08 18:23:17,897 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
[2024-11-08 18:23:17,897 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper
[2024-11-08 18:23:17,897 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower
[2024-11-08 18:23:17,898 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha
[2024-11-08 18:23:17,898 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit
[2024-11-08 18:23:17,898 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit
[2024-11-08 18:23:17,898 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace
[2024-11-08 18:23:17,898 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint
[2024-11-08 18:23:17,899 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph
[2024-11-08 18:23:17,899 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank
[2024-11-08 18:23:17,899 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl
[2024-11-08 18:23:17,899 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct
[2024-11-08 18:23:17,899 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum
[2024-11-08 18:23:17,900 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper
[2024-11-08 18:23:17,900 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower
[2024-11-08 18:23:17,900 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha
[2024-11-08 18:23:17,900 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit
[2024-11-08 18:23:17,900 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit
[2024-11-08 18:23:17,901 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace
[2024-11-08 18:23:17,901 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint
[2024-11-08 18:23:17,901 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph
[2024-11-08 18:23:17,901 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank
[2024-11-08 18:23:17,901 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl
[2024-11-08 18:23:17,902 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct
[2024-11-08 18:23:17,902 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum
[2024-11-08 18:23:17,903 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper
[2024-11-08 18:23:17,903 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower
[2024-11-08 18:23:17,903 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha
[2024-11-08 18:23:17,903 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit
[2024-11-08 18:23:17,903 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit
[2024-11-08 18:23:17,904 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace
[2024-11-08 18:23:17,904 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint
[2024-11-08 18:23:17,904 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph
[2024-11-08 18:23:17,904 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank
[2024-11-08 18:23:17,904 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl
[2024-11-08 18:23:17,905 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct
[2024-11-08 18:23:17,905 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum
[2024-11-08 18:23:17,910 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
[2024-11-08 18:23:17,911 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
[2024-11-08 18:23:17,911 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
[2024-11-08 18:23:17,911 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper
[2024-11-08 18:23:17,911 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower
[2024-11-08 18:23:17,911 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha
[2024-11-08 18:23:17,915 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit
[2024-11-08 18:23:17,916 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit
[2024-11-08 18:23:17,916 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace
[2024-11-08 18:23:17,916 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint
[2024-11-08 18:23:17,916 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph
[2024-11-08 18:23:17,916 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank
[2024-11-08 18:23:17,917 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl
[2024-11-08 18:23:17,917 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct
[2024-11-08 18:23:17,917 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum
[2024-11-08 18:23:17,917 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper
[2024-11-08 18:23:17,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower
[2024-11-08 18:23:17,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha
[2024-11-08 18:23:17,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit
[2024-11-08 18:23:17,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit
[2024-11-08 18:23:17,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace
[2024-11-08 18:23:17,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint
[2024-11-08 18:23:17,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph
[2024-11-08 18:23:17,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank
[2024-11-08 18:23:17,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl
[2024-11-08 18:23:17,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct
[2024-11-08 18:23:17,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum
[2024-11-08 18:23:17,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper
[2024-11-08 18:23:17,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower
[2024-11-08 18:23:17,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha
[2024-11-08 18:23:17,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit
[2024-11-08 18:23:17,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit
[2024-11-08 18:23:17,920 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace
[2024-11-08 18:23:17,921 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint
[2024-11-08 18:23:17,921 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph
[2024-11-08 18:23:17,921 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank
[2024-11-08 18:23:17,921 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl
[2024-11-08 18:23:17,921 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct
[2024-11-08 18:23:17,921 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum
[2024-11-08 18:23:17,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:23:17 BoogieIcfgContainer
[2024-11-08 18:23:17,936 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 18:23:17,937 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 18:23:17,937 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 18:23:17,937 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 18:23:17,942 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:23:15" (3/4) ...
[2024-11-08 18:23:17,945 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-08 18:23:17,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2024-11-08 18:23:17,953 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2024-11-08 18:23:17,954 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID
[2024-11-08 18:23:17,962 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges
[2024-11-08 18:23:17,963 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2024-11-08 18:23:17,963 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-08 18:23:17,963 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 18:23:18,096 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 18:23:18,100 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 18:23:18,100 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 18:23:18,101 INFO L158 Benchmark]: Toolchain (without parser) took 5768.70ms. Allocated memory is still 186.6MB. Free memory was 144.0MB in the beginning and 132.3MB in the end (delta: 11.7MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB.
[2024-11-08 18:23:18,101 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 138.4MB. Free memory was 79.9MB in the beginning and 79.8MB in the end (delta: 126.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 18:23:18,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1995.62ms. Allocated memory is still 186.6MB. Free memory was 143.4MB in the beginning and 137.9MB in the end (delta: 5.5MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB.
[2024-11-08 18:23:18,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.88ms. Allocated memory is still 186.6MB. Free memory was 137.9MB in the beginning and 134.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:23:18,104 INFO L158 Benchmark]: Boogie Preprocessor took 61.56ms. Allocated memory is still 186.6MB. Free memory was 134.9MB in the beginning and 132.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 18:23:18,107 INFO L158 Benchmark]: RCFGBuilder took 649.57ms. Allocated memory is still 186.6MB. Free memory was 132.6MB in the beginning and 117.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-08 18:23:18,108 INFO L158 Benchmark]: TraceAbstraction took 2788.02ms. Allocated memory is still 186.6MB. Free memory was 116.0MB in the beginning and 137.6MB in the end (delta: -21.6MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB.
[2024-11-08 18:23:18,108 INFO L158 Benchmark]: Witness Printer took 163.42ms. Allocated memory is still 186.6MB. Free memory was 137.6MB in the beginning and 132.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 18:23:18,110 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.40ms. Allocated memory is still 138.4MB. Free memory was 79.9MB in the beginning and 79.8MB in the end (delta: 126.0kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1995.62ms. Allocated memory is still 186.6MB. Free memory was 143.4MB in the beginning and 137.9MB in the end (delta: 5.5MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 101.88ms. Allocated memory is still 186.6MB. Free memory was 137.9MB in the beginning and 134.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 61.56ms. Allocated memory is still 186.6MB. Free memory was 134.9MB in the beginning and 132.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 649.57ms. Allocated memory is still 186.6MB. Free memory was 132.6MB in the beginning and 117.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 2788.02ms. Allocated memory is still 186.6MB. Free memory was 116.0MB in the beginning and 137.6MB in the end (delta: -21.6MB). Peak memory consumption was 60.0MB. Max. memory is 16.1GB.
* Witness Printer took 163.42ms. Allocated memory is still 186.6MB. Free memory was 137.6MB in the beginning and 132.3MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum
* 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: 1600]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1600]: 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, 46 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 66 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 809 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 583 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 226 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 29, 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, 1.2s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 194 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 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
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
- ProcedureContractResult [Line: 1412]: Procedure Contract for printLine
Derived contract for procedure printLine. Ensures: (((((((((((((((((stdin == \old(stdin)) && (stdout == \old(stdout))) && (stderr == \old(stderr))) && (__tzname == \old(__tzname))) && (__daylight == \old(__daylight))) && (__timezone == \old(__timezone))) && (tzname == \old(tzname))) && (daylight == \old(daylight))) && (timezone == \old(timezone))) && (GLOBAL_CONST_TRUE == \old(GLOBAL_CONST_TRUE))) && (GLOBAL_CONST_FALSE == \old(GLOBAL_CONST_FALSE))) && (GLOBAL_CONST_FIVE == \old(GLOBAL_CONST_FIVE))) && (globalTrue == \old(globalTrue))) && (globalFalse == \old(globalFalse))) && (globalFive == \old(globalFive))) && (globalArgc == \old(globalArgc))) && (globalArgv == \old(globalArgv)))
- ProcedureContractResult [Line: 1426]: Procedure Contract for printIntLine
Derived contract for procedure printIntLine. Ensures: (((((((((((((((((stdin == \old(stdin)) && (stdout == \old(stdout))) && (stderr == \old(stderr))) && (__tzname == \old(__tzname))) && (__daylight == \old(__daylight))) && (__timezone == \old(__timezone))) && (tzname == \old(tzname))) && (daylight == \old(daylight))) && (timezone == \old(timezone))) && (GLOBAL_CONST_TRUE == \old(GLOBAL_CONST_TRUE))) && (GLOBAL_CONST_FALSE == \old(GLOBAL_CONST_FALSE))) && (GLOBAL_CONST_FIVE == \old(GLOBAL_CONST_FIVE))) && (globalTrue == \old(globalTrue))) && (globalFalse == \old(globalFalse))) && (globalFive == \old(globalFive))) && (globalArgc == \old(globalArgc))) && (globalArgv == \old(globalArgv)))
RESULT: Ultimate proved your program to be correct!
[2024-11-08 18:23:18,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e788a26-dd35-4e23-b639-1d0ba71e9ebf/bin/uautomizer-verify-jihMAELWvX/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