./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_22_good.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 709e403a8a132b9f269e58f6098236a6dcc8a76eebff61b0f6fd392cf5df68e3
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 11:28:42,424 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 11:28:42,477 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-12-02 11:28:42,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 11:28:42,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 11:28:42,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 11:28:42,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 11:28:42,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 11:28:42,502 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 11:28:42,502 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 11:28:42,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 11:28:42,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 11:28:42,502 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 11:28:42,502 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 11:28:42,503 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 11:28:42,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 11:28:42,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 11:28:42,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 11:28:42,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 11:28:42,503 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 11:28:42,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 11:28:42,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 11:28:42,503 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 11:28:42,503 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 11:28:42,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 11:28:42,503 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 11:28:42,504 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 11:28:42,504 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 11:28:42,504 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:28:42,504 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:28:42,504 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:28:42,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:28:42,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 11:28:42,504 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:28:42,504 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:28:42,504 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:28:42,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:28:42,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 11:28:42,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 11:28:42,505 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 11:28:42,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 11:28:42,505 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 11:28:42,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 11:28:42,505 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 11:28:42,505 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 11:28:42,505 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 11:28:42,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 11:28:42,505 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 709e403a8a132b9f269e58f6098236a6dcc8a76eebff61b0f6fd392cf5df68e3
[2024-12-02 11:28:42,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 11:28:42,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 11:28:42,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 11:28:42,753 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 11:28:42,754 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 11:28:42,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_22_good.i
[2024-12-02 11:28:45,409 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1/data/5af9da016/e429c9b7aa13445088d1acaec0fd2c79/FLAGf08d2e23b
[2024-12-02 11:28:45,686 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 11:28:45,687 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_22_good.i
[2024-12-02 11:28:45,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1/data/5af9da016/e429c9b7aa13445088d1acaec0fd2c79/FLAGf08d2e23b
[2024-12-02 11:28:45,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1/data/5af9da016/e429c9b7aa13445088d1acaec0fd2c79
[2024-12-02 11:28:45,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 11:28:45,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 11:28:45,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 11:28:45,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 11:28:45,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 11:28:45,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:28:45" (1/1) ...
[2024-12-02 11:28:45,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513ca9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:45, skipping insertion in model container
[2024-12-02 11:28:45,960 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:28:45" (1/1) ...
[2024-12-02 11:28:45,993 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 11:28:46,660 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:28:46,667 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 11:28:46,744 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:28:46,859 INFO L204 MainTranslator]: Completed translation
[2024-12-02 11:28:46,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:46 WrapperNode
[2024-12-02 11:28:46,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 11:28:46,860 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 11:28:46,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 11:28:46,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 11:28:46,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:46" (1/1) ...
[2024-12-02 11:28:46,879 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:46" (1/1) ...
[2024-12-02 11:28:46,896 INFO L138 Inliner]: procedures = 504, calls = 45, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 130
[2024-12-02 11:28:46,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 11:28:46,897 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 11:28:46,897 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 11:28:46,897 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 11:28:46,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:46" (1/1) ...
[2024-12-02 11:28:46,906 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:46" (1/1) ...
[2024-12-02 11:28:46,908 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:46" (1/1) ...
[2024-12-02 11:28:46,921 INFO L175 MemorySlicer]: Split 2 memory accesses to 2 slices as follows [1, 1]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [1, 1]. The 0 writes are split as follows [0, 0].
[2024-12-02 11:28:46,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:46" (1/1) ...
[2024-12-02 11:28:46,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:46" (1/1) ...
[2024-12-02 11:28:46,927 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:46" (1/1) ...
[2024-12-02 11:28:46,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:46" (1/1) ...
[2024-12-02 11:28:46,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:46" (1/1) ...
[2024-12-02 11:28:46,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:46" (1/1) ...
[2024-12-02 11:28:46,932 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:46" (1/1) ...
[2024-12-02 11:28:46,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 11:28:46,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 11:28:46,935 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 11:28:46,935 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 11:28:46,936 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:46" (1/1) ...
[2024-12-02 11:28:46,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:28:46,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:28:46,964 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 11:28:46,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 11:28:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2024-12-02 11:28:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-12-02 11:28:46,986 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-12-02 11:28:46,986 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-12-02 11:28:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 11:28:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 11:28:46,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 11:28:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 11:28:46,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-02 11:28:47,098 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 11:28:47,099 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 11:28:47,249 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live.
[2024-12-02 11:28:47,249 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 11:28:47,257 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 11:28:47,258 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 11:28:47,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:28:47 BoogieIcfgContainer
[2024-12-02 11:28:47,258 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 11:28:47,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 11:28:47,260 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 11:28:47,263 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 11:28:47,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:28:45" (1/3) ...
[2024-12-02 11:28:47,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb4cd74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:28:47, skipping insertion in model container
[2024-12-02 11:28:47,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:28:46" (2/3) ...
[2024-12-02 11:28:47,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb4cd74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:28:47, skipping insertion in model container
[2024-12-02 11:28:47,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:28:47" (3/3) ...
[2024-12-02 11:28:47,266 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_predec_22_good.i
[2024-12-02 11:28:47,276 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 11:28:47,277 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fgets_predec_22_good.i that has 3 procedures, 55 locations, 1 initial locations, 0 loop locations, and 6 error locations.
[2024-12-02 11:28:47,322 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 11:28:47,331 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;@253d2b26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 11:28:47,331 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-12-02 11:28:47,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 47 states have internal predecessors, (50), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10)
[2024-12-02 11:28:47,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-02 11:28:47,340 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:28:47,341 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:28:47,341 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 11:28:47,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:28:47,346 INFO L85 PathProgramCache]: Analyzing trace with hash -420638298, now seen corresponding path program 1 times
[2024-12-02 11:28:47,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:28:47,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544339896]
[2024-12-02 11:28:47,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:28:47,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:28:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:28:47,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:28:47,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:28:47,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544339896]
[2024-12-02 11:28:47,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544339896] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:28:47,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:28:47,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 11:28:47,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805734347]
[2024-12-02 11:28:47,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:28:47,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:28:47,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:28:47,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:28:47,585 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:28:47,586 INFO L87 Difference]: Start difference. First operand has 55 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 47 states have internal predecessors, (50), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 11:28:47,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:28:47,617 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions.
[2024-12-02 11:28:47,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:28:47,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13
[2024-12-02 11:28:47,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:28:47,624 INFO L225 Difference]: With dead ends: 55
[2024-12-02 11:28:47,624 INFO L226 Difference]: Without dead ends: 44
[2024-12-02 11:28:47,626 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:28:47,628 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 1 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 128 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
[2024-12-02 11:28:47,629 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 128 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:28:47,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2024-12-02 11:28:47,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44.
[2024-12-02 11:28:47,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8)
[2024-12-02 11:28:47,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 56 transitions.
[2024-12-02 11:28:47,657 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 56 transitions. Word has length 13
[2024-12-02 11:28:47,658 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:28:47,658 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 56 transitions.
[2024-12-02 11:28:47,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 11:28:47,658 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions.
[2024-12-02 11:28:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-12-02 11:28:47,659 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:28:47,659 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:28:47,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 11:28:47,660 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 11:28:47,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:28:47,660 INFO L85 PathProgramCache]: Analyzing trace with hash -154885285, now seen corresponding path program 1 times
[2024-12-02 11:28:47,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:28:47,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399153397]
[2024-12-02 11:28:47,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:28:47,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:28:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:28:47,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:28:47,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:28:47,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399153397]
[2024-12-02 11:28:47,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399153397] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:28:47,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:28:47,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:28:47,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565269661]
[2024-12-02 11:28:47,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:28:47,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:28:47,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:28:47,811 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:28:47,811 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:28:47,811 INFO L87 Difference]: Start difference. First operand 44 states and 56 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 11:28:47,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:28:47,845 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions.
[2024-12-02 11:28:47,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 11:28:47,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14
[2024-12-02 11:28:47,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:28:47,846 INFO L225 Difference]: With dead ends: 45
[2024-12-02 11:28:47,846 INFO L226 Difference]: Without dead ends: 44
[2024-12-02 11:28:47,847 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:28:47,848 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 2 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:28:47,848 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 143 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:28:47,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2024-12-02 11:28:47,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43.
[2024-12-02 11:28:47,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.3448275862068966) internal successors, (39), 37 states have internal predecessors, (39), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8)
[2024-12-02 11:28:47,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 55 transitions.
[2024-12-02 11:28:47,855 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 55 transitions. Word has length 14
[2024-12-02 11:28:47,855 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:28:47,855 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 55 transitions.
[2024-12-02 11:28:47,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 11:28:47,855 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions.
[2024-12-02 11:28:47,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-12-02 11:28:47,856 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:28:47,856 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:28:47,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 11:28:47,857 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 11:28:47,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:28:47,857 INFO L85 PathProgramCache]: Analyzing trace with hash -190250644, now seen corresponding path program 1 times
[2024-12-02 11:28:47,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:28:47,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596460837]
[2024-12-02 11:28:47,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:28:47,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:28:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:28:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 11:28:47,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:28:47,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596460837]
[2024-12-02 11:28:47,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596460837] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:28:47,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:28:47,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:28:47,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783016555]
[2024-12-02 11:28:47,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:28:47,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:28:47,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:28:47,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:28:47,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:28:47,933 INFO L87 Difference]: Start difference. First operand 43 states and 55 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 11:28:47,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:28:47,947 INFO L93 Difference]: Finished difference Result 71 states and 87 transitions.
[2024-12-02 11:28:47,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:28:47,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23
[2024-12-02 11:28:47,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:28:47,949 INFO L225 Difference]: With dead ends: 71
[2024-12-02 11:28:47,949 INFO L226 Difference]: Without dead ends: 42
[2024-12-02 11:28:47,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:28:47,950 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 50 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:28:47,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 51 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:28:47,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states.
[2024-12-02 11:28:47,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42.
[2024-12-02 11:28:47,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 36 states have internal predecessors, (38), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-12-02 11:28:47,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions.
[2024-12-02 11:28:47,958 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 52 transitions. Word has length 23
[2024-12-02 11:28:47,958 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:28:47,958 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 52 transitions.
[2024-12-02 11:28:47,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 11:28:47,958 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions.
[2024-12-02 11:28:47,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2024-12-02 11:28:47,959 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:28:47,960 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:28:47,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 11:28:47,960 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 11:28:47,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:28:47,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1643047644, now seen corresponding path program 1 times
[2024-12-02 11:28:47,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:28:47,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220788369]
[2024-12-02 11:28:47,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:28:47,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:28:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:28:48,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 11:28:48,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:28:48,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220788369]
[2024-12-02 11:28:48,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220788369] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:28:48,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:28:48,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 11:28:48,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352240919]
[2024-12-02 11:28:48,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:28:48,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:28:48,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:28:48,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:28:48,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:28:48,032 INFO L87 Difference]: Start difference. First operand 42 states and 52 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 11:28:48,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:28:48,050 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions.
[2024-12-02 11:28:48,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:28:48,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24
[2024-12-02 11:28:48,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:28:48,052 INFO L225 Difference]: With dead ends: 42
[2024-12-02 11:28:48,052 INFO L226 Difference]: Without dead ends: 41
[2024-12-02 11:28:48,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:28:48,053 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 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
[2024-12-02 11:28:48,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 92 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:28:48,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-12-02 11:28:48,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2024-12-02 11:28:48,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 35 states have internal predecessors, (37), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-12-02 11:28:48,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions.
[2024-12-02 11:28:48,059 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 24
[2024-12-02 11:28:48,060 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:28:48,060 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions.
[2024-12-02 11:28:48,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 11:28:48,060 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions.
[2024-12-02 11:28:48,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-12-02 11:28:48,061 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:28:48,061 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:28:48,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 11:28:48,061 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 11:28:48,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:28:48,062 INFO L85 PathProgramCache]: Analyzing trace with hash 605130680, now seen corresponding path program 1 times
[2024-12-02 11:28:48,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:28:48,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476679791]
[2024-12-02 11:28:48,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:28:48,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:28:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:28:48,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 11:28:48,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:28:48,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476679791]
[2024-12-02 11:28:48,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476679791] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:28:48,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:28:48,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:28:48,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4568652]
[2024-12-02 11:28:48,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:28:48,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:28:48,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:28:48,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:28:48,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:28:48,191 INFO L87 Difference]: Start difference. First operand 41 states and 51 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 11:28:48,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:28:48,214 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions.
[2024-12-02 11:28:48,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 11:28:48,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25
[2024-12-02 11:28:48,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:28:48,215 INFO L225 Difference]: With dead ends: 42
[2024-12-02 11:28:48,216 INFO L226 Difference]: Without dead ends: 41
[2024-12-02 11:28:48,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:28:48,217 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 2 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:28:48,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 127 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:28:48,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-12-02 11:28:48,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40.
[2024-12-02 11:28:48,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 34 states have internal predecessors, (36), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-12-02 11:28:48,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions.
[2024-12-02 11:28:48,223 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 50 transitions. Word has length 25
[2024-12-02 11:28:48,224 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:28:48,224 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 50 transitions.
[2024-12-02 11:28:48,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 11:28:48,224 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions.
[2024-12-02 11:28:48,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2024-12-02 11:28:48,225 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:28:48,225 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:28:48,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 11:28:48,225 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 11:28:48,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:28:48,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1593465813, now seen corresponding path program 1 times
[2024-12-02 11:28:48,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:28:48,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811579208]
[2024-12-02 11:28:48,226 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:28:48,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:28:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:28:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 11:28:48,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:28:48,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811579208]
[2024-12-02 11:28:48,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811579208] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:28:48,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:28:48,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:28:48,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701230279]
[2024-12-02 11:28:48,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:28:48,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:28:48,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:28:48,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:28:48,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:28:48,303 INFO L87 Difference]: Start difference. First operand 40 states and 50 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 11:28:48,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:28:48,315 INFO L93 Difference]: Finished difference Result 54 states and 62 transitions.
[2024-12-02 11:28:48,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:28:48,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26
[2024-12-02 11:28:48,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:28:48,316 INFO L225 Difference]: With dead ends: 54
[2024-12-02 11:28:48,316 INFO L226 Difference]: Without dead ends: 47
[2024-12-02 11:28:48,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:28:48,317 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 22 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:28:48,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 85 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:28:48,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2024-12-02 11:28:48,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2024-12-02 11:28:48,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 39 states have internal predecessors, (41), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-12-02 11:28:48,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 55 transitions.
[2024-12-02 11:28:48,325 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 55 transitions. Word has length 26
[2024-12-02 11:28:48,325 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:28:48,325 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 55 transitions.
[2024-12-02 11:28:48,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 11:28:48,325 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions.
[2024-12-02 11:28:48,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2024-12-02 11:28:48,326 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:28:48,326 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:28:48,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 11:28:48,326 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 11:28:48,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:28:48,327 INFO L85 PathProgramCache]: Analyzing trace with hash -454129921, now seen corresponding path program 1 times
[2024-12-02 11:28:48,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:28:48,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283551962]
[2024-12-02 11:28:48,327 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:28:48,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:28:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:28:48,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-12-02 11:28:48,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:28:48,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283551962]
[2024-12-02 11:28:48,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283551962] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:28:48,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:28:48,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 11:28:48,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487140592]
[2024-12-02 11:28:48,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:28:48,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:28:48,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:28:48,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:28:48,419 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:28:48,419 INFO L87 Difference]: Start difference. First operand 47 states and 55 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 11:28:48,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:28:48,428 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions.
[2024-12-02 11:28:48,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:28:48,429 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32
[2024-12-02 11:28:48,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:28:48,430 INFO L225 Difference]: With dead ends: 47
[2024-12-02 11:28:48,430 INFO L226 Difference]: Without dead ends: 46
[2024-12-02 11:28:48,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:28:48,430 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:28:48,431 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 90 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:28:48,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-12-02 11:28:48,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46.
[2024-12-02 11:28:48,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 38 states have internal predecessors, (40), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-12-02 11:28:48,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions.
[2024-12-02 11:28:48,436 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 54 transitions. Word has length 32
[2024-12-02 11:28:48,436 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:28:48,436 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 54 transitions.
[2024-12-02 11:28:48,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 11:28:48,437 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions.
[2024-12-02 11:28:48,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-12-02 11:28:48,438 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:28:48,438 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:28:48,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 11:28:48,438 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 11:28:48,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:28:48,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1193125552, now seen corresponding path program 1 times
[2024-12-02 11:28:48,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:28:48,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576744702]
[2024-12-02 11:28:48,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:28:48,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:28:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:28:48,531 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-12-02 11:28:48,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:28:48,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576744702]
[2024-12-02 11:28:48,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576744702] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:28:48,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:28:48,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 11:28:48,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282641564]
[2024-12-02 11:28:48,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:28:48,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:28:48,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:28:48,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:28:48,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:28:48,533 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 11:28:48,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:28:48,539 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions.
[2024-12-02 11:28:48,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:28:48,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33
[2024-12-02 11:28:48,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:28:48,540 INFO L225 Difference]: With dead ends: 46
[2024-12-02 11:28:48,540 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 11:28:48,540 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:28:48,541 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:28:48,541 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:28:48,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 11:28:48,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 11:28:48,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:28:48,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 11:28:48,542 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33
[2024-12-02 11:28:48,542 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:28:48,542 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 11:28:48,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2024-12-02 11:28:48,542 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 11:28:48,543 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 11:28:48,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining)
[2024-12-02 11:28:48,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining)
[2024-12-02 11:28:48,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining)
[2024-12-02 11:28:48,545 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining)
[2024-12-02 11:28:48,546 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining)
[2024-12-02 11:28:48,546 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining)
[2024-12-02 11:28:48,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 11:28:48,549 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:28:48,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 11:28:48,617 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 11:28:48,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:28:48 BoogieIcfgContainer
[2024-12-02 11:28:48,623 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 11:28:48,624 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 11:28:48,624 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 11:28:48,624 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 11:28:48,624 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:28:47" (3/4) ...
[2024-12-02 11:28:48,627 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 11:28:48,632 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2024-12-02 11:28:48,632 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2024-12-02 11:28:48,636 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges
[2024-12-02 11:28:48,636 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2024-12-02 11:28:48,637 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 11:28:48,637 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 11:28:48,711 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 11:28:48,711 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 11:28:48,711 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 11:28:48,712 INFO L158 Benchmark]: Toolchain (without parser) took 2757.78ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 89.1MB in the beginning and 143.0MB in the end (delta: -53.9MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB.
[2024-12-02 11:28:48,712 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:28:48,712 INFO L158 Benchmark]: CACSL2BoogieTranslator took 904.93ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 79.2MB in the end (delta: 9.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB.
[2024-12-02 11:28:48,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.97ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:28:48,713 INFO L158 Benchmark]: Boogie Preprocessor took 37.56ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 74.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:28:48,713 INFO L158 Benchmark]: RCFGBuilder took 323.39ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 58.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 11:28:48,713 INFO L158 Benchmark]: TraceAbstraction took 1362.94ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 57.7MB in the beginning and 149.6MB in the end (delta: -92.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:28:48,713 INFO L158 Benchmark]: Witness Printer took 87.70ms. Allocated memory is still 201.3MB. Free memory was 149.6MB in the beginning and 143.0MB in the end (delta: 6.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:28:48,715 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 904.93ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 79.2MB in the end (delta: 9.6MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 35.97ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.4MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 37.56ms. Allocated memory is still 117.4MB. Free memory was 76.4MB in the beginning and 74.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 323.39ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 58.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1362.94ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 57.7MB in the beginning and 149.6MB in the end (delta: -92.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 87.70ms. Allocated memory is still 201.3MB. Free memory was 149.6MB in the beginning and 143.0MB in the end (delta: 6.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 1625]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1625]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1641]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1641]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1656]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1656]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 55 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 806 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 399 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 407 mSDtfsCounter, 52 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred in iteration=0, InterpolantAutomatonStates: 26, 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, 8 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 234 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 40/40 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
6 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 11:28:48,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d92957a-5e04-4784-9641-08ed0e77c802/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE