./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_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_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/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_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/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_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/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 847ddf5f7fcd9ba98078f06c5ca92e8a28972a71516233fdd35a2b265739ecf0
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 09:01:15,870 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 09:01:15,923 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-12-02 09:01:15,927 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 09:01:15,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 09:01:15,948 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 09:01:15,948 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 09:01:15,948 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 09:01:15,949 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 09:01:15,949 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 09:01:15,949 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 09:01:15,949 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 09:01:15,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 09:01:15,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 09:01:15,950 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 09:01:15,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 09:01:15,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 09:01:15,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 09:01:15,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 09:01:15,950 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 09:01:15,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 09:01:15,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 09:01:15,950 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 09:01:15,950 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 09:01:15,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 09:01:15,951 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 09:01:15,951 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 09:01:15,951 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 09:01:15,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 09:01:15,951 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 09:01:15,951 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 09:01:15,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 09:01:15,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 09:01:15,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 09:01:15,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 09:01:15,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 09:01:15,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 09:01:15,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 09:01:15,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 09:01:15,952 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 09:01:15,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 09:01:15,952 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 09:01:15,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 09:01:15,952 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 09:01:15,952 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 09:01:15,953 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 09:01:15,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 09:01:15,953 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_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/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 -> 847ddf5f7fcd9ba98078f06c5ca92e8a28972a71516233fdd35a2b265739ecf0
[2024-12-02 09:01:16,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 09:01:16,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 09:01:16,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 09:01:16,167 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 09:01:16,167 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 09:01:16,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_good.i
[2024-12-02 09:01:18,836 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/bin/uautomizer-verify-84ZbGMXZE1/data/e86422637/b670a75d04cf43dd885220f03e6d8a1d/FLAG6d1f7efc7
[2024-12-02 09:01:19,122 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 09:01:19,123 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_07_good.i
[2024-12-02 09:01:19,145 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/bin/uautomizer-verify-84ZbGMXZE1/data/e86422637/b670a75d04cf43dd885220f03e6d8a1d/FLAG6d1f7efc7
[2024-12-02 09:01:19,386 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/bin/uautomizer-verify-84ZbGMXZE1/data/e86422637/b670a75d04cf43dd885220f03e6d8a1d
[2024-12-02 09:01:19,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 09:01:19,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 09:01:19,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 09:01:19,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 09:01:19,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 09:01:19,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:01:19" (1/1) ...
[2024-12-02 09:01:19,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35654750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:19, skipping insertion in model container
[2024-12-02 09:01:19,399 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:01:19" (1/1) ...
[2024-12-02 09:01:19,435 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 09:01:20,345 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 09:01:20,352 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 09:01:20,437 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 09:01:20,546 INFO L204 MainTranslator]: Completed translation
[2024-12-02 09:01:20,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:20 WrapperNode
[2024-12-02 09:01:20,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 09:01:20,547 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 09:01:20,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 09:01:20,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 09:01:20,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:20" (1/1) ...
[2024-12-02 09:01:20,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:20" (1/1) ...
[2024-12-02 09:01:20,586 INFO L138 Inliner]: procedures = 501, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 206
[2024-12-02 09:01:20,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 09:01:20,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 09:01:20,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 09:01:20,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 09:01:20,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:20" (1/1) ...
[2024-12-02 09:01:20,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:20" (1/1) ...
[2024-12-02 09:01:20,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:20" (1/1) ...
[2024-12-02 09:01:20,609 INFO L175 MemorySlicer]: No memory access in input program.
[2024-12-02 09:01:20,609 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:20" (1/1) ...
[2024-12-02 09:01:20,609 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:20" (1/1) ...
[2024-12-02 09:01:20,615 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:20" (1/1) ...
[2024-12-02 09:01:20,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:20" (1/1) ...
[2024-12-02 09:01:20,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:20" (1/1) ...
[2024-12-02 09:01:20,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:20" (1/1) ...
[2024-12-02 09:01:20,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:20" (1/1) ...
[2024-12-02 09:01:20,624 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 09:01:20,625 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 09:01:20,625 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 09:01:20,625 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 09:01:20,626 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:20" (1/1) ...
[2024-12-02 09:01:20,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 09:01:20,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 09:01:20,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 09:01:20,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 09:01:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2024-12-02 09:01:20,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-12-02 09:01:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-12-02 09:01:20,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-12-02 09:01:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 09:01:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 09:01:20,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 09:01:20,788 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 09:01:20,790 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 09:01:21,085 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live.
[2024-12-02 09:01:21,085 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 09:01:21,095 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 09:01:21,095 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 09:01:21,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:01:21 BoogieIcfgContainer
[2024-12-02 09:01:21,096 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 09:01:21,097 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 09:01:21,097 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 09:01:21,101 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 09:01:21,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:01:19" (1/3) ...
[2024-12-02 09:01:21,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f6edd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:01:21, skipping insertion in model container
[2024-12-02 09:01:21,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:01:20" (2/3) ...
[2024-12-02 09:01:21,102 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72f6edd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:01:21, skipping insertion in model container
[2024-12-02 09:01:21,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:01:21" (3/3) ...
[2024-12-02 09:01:21,103 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_postdec_07_good.i
[2024-12-02 09:01:21,114 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 09:01:21,116 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_postdec_07_good.i that has 3 procedures, 103 locations, 1 initial locations, 0 loop locations, and 8 error locations.
[2024-12-02 09:01:21,157 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 09:01:21,167 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;@5df9011e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 09:01:21,167 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-12-02 09:01:21,170 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 82 states have (on average 1.548780487804878) internal successors, (127), 94 states have internal predecessors, (127), 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 09:01:21,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2024-12-02 09:01:21,175 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 09:01:21,175 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:01:21,176 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 09:01:21,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:01:21,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1257461886, now seen corresponding path program 1 times
[2024-12-02 09:01:21,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:01:21,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206794980]
[2024-12-02 09:01:21,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:01:21,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:01:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:01:21,368 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 09:01:21,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:01:21,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206794980]
[2024-12-02 09:01:21,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206794980] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:01:21,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:01:21,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 09:01:21,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712716366]
[2024-12-02 09:01:21,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:01:21,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 09:01:21,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:01:21,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 09:01:21,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 09:01:21,392 INFO L87 Difference]: Start difference. First operand has 103 states, 82 states have (on average 1.548780487804878) internal successors, (127), 94 states have internal predecessors, (127), 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, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 09:01:21,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:01:21,445 INFO L93 Difference]: Finished difference Result 177 states and 248 transitions.
[2024-12-02 09:01:21,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 09:01:21,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 12
[2024-12-02 09:01:21,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:01:21,454 INFO L225 Difference]: With dead ends: 177
[2024-12-02 09:01:21,454 INFO L226 Difference]: Without dead ends: 92
[2024-12-02 09:01:21,457 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 09:01:21,459 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 131 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 09:01:21,459 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 127 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 09:01:21,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2024-12-02 09:01:21,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2024-12-02 09:01:21,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 76 states have (on average 1.4736842105263157) internal successors, (112), 85 states have internal predecessors, (112), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 09:01:21,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 124 transitions.
[2024-12-02 09:01:21,490 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 124 transitions. Word has length 12
[2024-12-02 09:01:21,491 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:01:21,491 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 124 transitions.
[2024-12-02 09:01:21,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 09:01:21,491 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 124 transitions.
[2024-12-02 09:01:21,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-12-02 09:01:21,492 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 09:01:21,492 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:01:21,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 09:01:21,493 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 09:01:21,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:01:21,493 INFO L85 PathProgramCache]: Analyzing trace with hash -804808767, now seen corresponding path program 1 times
[2024-12-02 09:01:21,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:01:21,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7904710]
[2024-12-02 09:01:21,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:01:21,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:01:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:01:21,637 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 09:01:21,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:01:21,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7904710]
[2024-12-02 09:01:21,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7904710] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:01:21,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:01:21,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 09:01:21,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324133155]
[2024-12-02 09:01:21,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:01:21,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 09:01:21,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:01:21,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 09:01:21,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 09:01:21,639 INFO L87 Difference]: Start difference. First operand 92 states and 124 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 09:01:21,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:01:21,658 INFO L93 Difference]: Finished difference Result 92 states and 124 transitions.
[2024-12-02 09:01:21,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 09:01:21,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 18
[2024-12-02 09:01:21,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:01:21,660 INFO L225 Difference]: With dead ends: 92
[2024-12-02 09:01:21,660 INFO L226 Difference]: Without dead ends: 91
[2024-12-02 09:01:21,660 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 09:01:21,660 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 1 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 09:01:21,661 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 237 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 09:01:21,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states.
[2024-12-02 09:01:21,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91.
[2024-12-02 09:01:21,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 76 states have (on average 1.4605263157894737) internal successors, (111), 84 states have internal predecessors, (111), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 09:01:21,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 123 transitions.
[2024-12-02 09:01:21,668 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 123 transitions. Word has length 18
[2024-12-02 09:01:21,669 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:01:21,669 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 123 transitions.
[2024-12-02 09:01:21,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 09:01:21,669 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 123 transitions.
[2024-12-02 09:01:21,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-12-02 09:01:21,670 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 09:01:21,670 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:01:21,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 09:01:21,670 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 09:01:21,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:01:21,670 INFO L85 PathProgramCache]: Analyzing trace with hash 820732141, now seen corresponding path program 1 times
[2024-12-02 09:01:21,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:01:21,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408542032]
[2024-12-02 09:01:21,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:01:21,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:01:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:01:21,803 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 09:01:21,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:01:21,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408542032]
[2024-12-02 09:01:21,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408542032] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:01:21,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:01:21,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 09:01:21,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407599115]
[2024-12-02 09:01:21,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:01:21,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 09:01:21,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:01:21,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 09:01:21,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 09:01:21,806 INFO L87 Difference]: Start difference. First operand 91 states and 123 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 09:01:21,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:01:21,832 INFO L93 Difference]: Finished difference Result 91 states and 123 transitions.
[2024-12-02 09:01:21,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 09:01:21,832 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 19
[2024-12-02 09:01:21,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:01:21,833 INFO L225 Difference]: With dead ends: 91
[2024-12-02 09:01:21,833 INFO L226 Difference]: Without dead ends: 90
[2024-12-02 09:01:21,834 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 09:01:21,834 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 35 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 09:01:21,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 313 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 09:01:21,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states.
[2024-12-02 09:01:21,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90.
[2024-12-02 09:01:21,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 76 states have (on average 1.4473684210526316) internal successors, (110), 83 states have internal predecessors, (110), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 09:01:21,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 122 transitions.
[2024-12-02 09:01:21,841 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 122 transitions. Word has length 19
[2024-12-02 09:01:21,841 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:01:21,841 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 122 transitions.
[2024-12-02 09:01:21,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 09:01:21,841 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions.
[2024-12-02 09:01:21,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34
[2024-12-02 09:01:21,842 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 09:01:21,842 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:01:21,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 09:01:21,842 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 09:01:21,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:01:21,843 INFO L85 PathProgramCache]: Analyzing trace with hash 2114690354, now seen corresponding path program 1 times
[2024-12-02 09:01:21,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:01:21,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312663016]
[2024-12-02 09:01:21,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:01:21,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:01:21,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:01:21,964 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 09:01:21,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:01:21,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312663016]
[2024-12-02 09:01:21,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312663016] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:01:21,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:01:21,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 09:01:21,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851299570]
[2024-12-02 09:01:21,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:01:21,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 09:01:21,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:01:21,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 09:01:21,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 09:01:21,965 INFO L87 Difference]: Start difference. First operand 90 states and 122 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 09:01:21,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:01:21,983 INFO L93 Difference]: Finished difference Result 90 states and 122 transitions.
[2024-12-02 09:01:21,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 09:01:21,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 33
[2024-12-02 09:01:21,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:01:21,985 INFO L225 Difference]: With dead ends: 90
[2024-12-02 09:01:21,985 INFO L226 Difference]: Without dead ends: 89
[2024-12-02 09:01:21,985 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 09:01:21,986 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 1 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 09:01:21,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 233 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 09:01:21,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states.
[2024-12-02 09:01:21,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89.
[2024-12-02 09:01:21,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 76 states have (on average 1.4342105263157894) internal successors, (109), 82 states have internal predecessors, (109), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 09:01:21,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 121 transitions.
[2024-12-02 09:01:21,995 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 121 transitions. Word has length 33
[2024-12-02 09:01:21,995 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:01:21,995 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 121 transitions.
[2024-12-02 09:01:21,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 09:01:21,995 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions.
[2024-12-02 09:01:21,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2024-12-02 09:01:21,996 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 09:01:21,997 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:01:21,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 09:01:21,997 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 09:01:21,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:01:21,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1130891778, now seen corresponding path program 1 times
[2024-12-02 09:01:21,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:01:21,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39513778]
[2024-12-02 09:01:21,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:01:21,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:01:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:01:22,140 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 09:01:22,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:01:22,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39513778]
[2024-12-02 09:01:22,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39513778] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:01:22,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:01:22,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 09:01:22,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181956500]
[2024-12-02 09:01:22,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:01:22,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 09:01:22,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:01:22,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 09:01:22,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 09:01:22,141 INFO L87 Difference]: Start difference. First operand 89 states and 121 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 09:01:22,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:01:22,167 INFO L93 Difference]: Finished difference Result 89 states and 121 transitions.
[2024-12-02 09:01:22,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 09:01:22,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 34
[2024-12-02 09:01:22,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:01:22,168 INFO L225 Difference]: With dead ends: 89
[2024-12-02 09:01:22,169 INFO L226 Difference]: Without dead ends: 88
[2024-12-02 09:01:22,169 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 09:01:22,170 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 35 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 09:01:22,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 307 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 09:01:22,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2024-12-02 09:01:22,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88.
[2024-12-02 09:01:22,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 76 states have (on average 1.4210526315789473) internal successors, (108), 81 states have internal predecessors, (108), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 09:01:22,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 120 transitions.
[2024-12-02 09:01:22,177 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 120 transitions. Word has length 34
[2024-12-02 09:01:22,177 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:01:22,177 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 120 transitions.
[2024-12-02 09:01:22,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 09:01:22,177 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions.
[2024-12-02 09:01:22,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2024-12-02 09:01:22,178 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 09:01:22,178 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, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:01:22,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 09:01:22,179 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 09:01:22,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:01:22,179 INFO L85 PathProgramCache]: Analyzing trace with hash 403832941, now seen corresponding path program 1 times
[2024-12-02 09:01:22,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:01:22,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215726248]
[2024-12-02 09:01:22,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:01:22,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:01:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:01:22,244 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 09:01:22,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:01:22,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215726248]
[2024-12-02 09:01:22,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215726248] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:01:22,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:01:22,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 09:01:22,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772306161]
[2024-12-02 09:01:22,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:01:22,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 09:01:22,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:01:22,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 09:01:22,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 09:01:22,246 INFO L87 Difference]: Start difference. First operand 88 states and 120 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 09:01:22,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:01:22,268 INFO L93 Difference]: Finished difference Result 88 states and 120 transitions.
[2024-12-02 09:01:22,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 09:01:22,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 41
[2024-12-02 09:01:22,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:01:22,270 INFO L225 Difference]: With dead ends: 88
[2024-12-02 09:01:22,270 INFO L226 Difference]: Without dead ends: 87
[2024-12-02 09:01:22,270 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 09:01:22,271 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 1 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 09:01:22,271 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 340 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 09:01:22,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states.
[2024-12-02 09:01:22,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87.
[2024-12-02 09:01:22,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 76 states have (on average 1.4078947368421053) internal successors, (107), 80 states have internal predecessors, (107), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 09:01:22,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions.
[2024-12-02 09:01:22,277 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 41
[2024-12-02 09:01:22,278 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:01:22,278 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions.
[2024-12-02 09:01:22,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 09:01:22,278 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions.
[2024-12-02 09:01:22,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2024-12-02 09:01:22,279 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 09:01:22,279 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:01:22,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 09:01:22,279 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 09:01:22,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:01:22,280 INFO L85 PathProgramCache]: Analyzing trace with hash -366080449, now seen corresponding path program 1 times
[2024-12-02 09:01:22,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:01:22,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389463942]
[2024-12-02 09:01:22,280 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:01:22,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:01:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:01:22,346 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 09:01:22,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:01:22,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389463942]
[2024-12-02 09:01:22,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389463942] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:01:22,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:01:22,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 09:01:22,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886727623]
[2024-12-02 09:01:22,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:01:22,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 09:01:22,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:01:22,348 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 09:01:22,348 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 09:01:22,348 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 09:01:22,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:01:22,364 INFO L93 Difference]: Finished difference Result 87 states and 119 transitions.
[2024-12-02 09:01:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 09:01:22,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 42
[2024-12-02 09:01:22,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:01:22,366 INFO L225 Difference]: With dead ends: 87
[2024-12-02 09:01:22,366 INFO L226 Difference]: Without dead ends: 86
[2024-12-02 09:01:22,366 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 09:01:22,366 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 09:01:22,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 340 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 09:01:22,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2024-12-02 09:01:22,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86.
[2024-12-02 09:01:22,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 76 states have (on average 1.394736842105263) internal successors, (106), 79 states have internal predecessors, (106), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 09:01:22,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 118 transitions.
[2024-12-02 09:01:22,373 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 118 transitions. Word has length 42
[2024-12-02 09:01:22,373 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:01:22,373 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 118 transitions.
[2024-12-02 09:01:22,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 09:01:22,373 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 118 transitions.
[2024-12-02 09:01:22,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2024-12-02 09:01:22,374 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 09:01:22,374 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:01:22,374 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 09:01:22,375 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 09:01:22,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:01:22,375 INFO L85 PathProgramCache]: Analyzing trace with hash -517882348, now seen corresponding path program 1 times
[2024-12-02 09:01:22,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:01:22,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662667893]
[2024-12-02 09:01:22,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:01:22,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:01:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:01:22,452 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 09:01:22,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:01:22,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662667893]
[2024-12-02 09:01:22,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662667893] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:01:22,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:01:22,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 09:01:22,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546881958]
[2024-12-02 09:01:22,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:01:22,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 09:01:22,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:01:22,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 09:01:22,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 09:01:22,454 INFO L87 Difference]: Start difference. First operand 86 states and 118 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 09:01:22,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:01:22,467 INFO L93 Difference]: Finished difference Result 86 states and 118 transitions.
[2024-12-02 09:01:22,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 09:01:22,468 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 51
[2024-12-02 09:01:22,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:01:22,469 INFO L225 Difference]: With dead ends: 86
[2024-12-02 09:01:22,469 INFO L226 Difference]: Without dead ends: 85
[2024-12-02 09:01:22,469 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 09:01:22,470 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 09:01:22,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 339 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 09:01:22,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2024-12-02 09:01:22,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85.
[2024-12-02 09:01:22,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 76 states have (on average 1.381578947368421) internal successors, (105), 78 states have internal predecessors, (105), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-02 09:01:22,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 117 transitions.
[2024-12-02 09:01:22,475 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 117 transitions. Word has length 51
[2024-12-02 09:01:22,475 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:01:22,475 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 117 transitions.
[2024-12-02 09:01:22,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 09:01:22,476 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 117 transitions.
[2024-12-02 09:01:22,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53
[2024-12-02 09:01:22,477 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 09:01:22,477 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:01:22,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 09:01:22,477 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 09:01:22,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 09:01:22,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1125516683, now seen corresponding path program 1 times
[2024-12-02 09:01:22,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 09:01:22,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899620612]
[2024-12-02 09:01:22,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 09:01:22,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 09:01:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 09:01:22,547 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 09:01:22,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 09:01:22,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899620612]
[2024-12-02 09:01:22,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899620612] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 09:01:22,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 09:01:22,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 09:01:22,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282704045]
[2024-12-02 09:01:22,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 09:01:22,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 09:01:22,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 09:01:22,548 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 09:01:22,548 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 09:01:22,549 INFO L87 Difference]: Start difference. First operand 85 states and 117 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 09:01:22,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 09:01:22,561 INFO L93 Difference]: Finished difference Result 85 states and 117 transitions.
[2024-12-02 09:01:22,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 09:01:22,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 52
[2024-12-02 09:01:22,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 09:01:22,563 INFO L225 Difference]: With dead ends: 85
[2024-12-02 09:01:22,563 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 09:01:22,563 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 09:01:22,564 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 09:01:22,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 339 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 09:01:22,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 09:01:22,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 09:01:22,565 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 09:01:22,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 09:01:22,565 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52
[2024-12-02 09:01:22,565 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 09:01:22,565 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 09:01:22,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-12-02 09:01:22,566 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 09:01:22,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 09:01:22,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining)
[2024-12-02 09:01:22,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining)
[2024-12-02 09:01:22,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining)
[2024-12-02 09:01:22,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining)
[2024-12-02 09:01:22,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining)
[2024-12-02 09:01:22,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining)
[2024-12-02 09:01:22,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining)
[2024-12-02 09:01:22,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining)
[2024-12-02 09:01:22,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 09:01:22,573 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 09:01:22,575 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 09:01:22,611 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 09:01:22,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:01:22 BoogieIcfgContainer
[2024-12-02 09:01:22,617 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 09:01:22,618 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 09:01:22,618 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 09:01:22,618 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 09:01:22,619 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:01:21" (3/4) ...
[2024-12-02 09:01:22,621 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 09:01:22,626 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2024-12-02 09:01:22,626 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2024-12-02 09:01:22,631 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2024-12-02 09:01:22,631 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-12-02 09:01:22,632 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 09:01:22,632 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 09:01:22,717 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 09:01:22,717 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 09:01:22,717 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 09:01:22,718 INFO L158 Benchmark]: Toolchain (without parser) took 3328.02ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 88.9MB in the beginning and 75.5MB in the end (delta: 13.4MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB.
[2024-12-02 09:01:22,718 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 09:01:22,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1155.20ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 79.2MB in the end (delta: 9.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB.
[2024-12-02 09:01:22,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.72ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 09:01:22,719 INFO L158 Benchmark]: Boogie Preprocessor took 37.60ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 73.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 09:01:22,719 INFO L158 Benchmark]: RCFGBuilder took 470.76ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 51.6MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 09:01:22,719 INFO L158 Benchmark]: TraceAbstraction took 1520.41ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 51.0MB in the beginning and 81.2MB in the end (delta: -30.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 09:01:22,720 INFO L158 Benchmark]: Witness Printer took 99.41ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 75.5MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 09:01:22,721 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1155.20ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 79.2MB in the end (delta: 9.7MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 38.72ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 37.60ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 73.7MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 470.76ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 51.6MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 1520.41ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 51.0MB in the beginning and 81.2MB in the end (delta: -30.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 99.41ms. Allocated memory is still 142.6MB. Free memory was 81.2MB in the beginning and 75.5MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 1565]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1565]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1587]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1587]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1612]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1612]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1629]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1629]: 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, 103 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 205 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 205 mSDsluCounter, 2575 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1518 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 1057 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 302 NumberOfCodeBlocks, 302 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 293 ConstructedInterpolants, 0 QuantifiedInterpolants, 365 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 56/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
8 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 09:01:22,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a1b6d7-cb06-4946-bfc4-56f9c70ee45d/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