./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
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_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/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_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/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 32bit --witnessprinter.graph.data.programhash 6b9a965f73c3cec90a7bf30e1abcce707e2acf95b41bbd45e0beb5b55c7fe39d
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:15:11,448 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:15:11,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-12-02 06:15:11,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:15:11,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:15:11,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:15:11,521 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:15:11,521 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:15:11,521 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:15:11,521 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 06:15:11,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 06:15:11,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 06:15:11,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:15:11,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 06:15:11,522 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 06:15:11,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:15:11,522 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 06:15:11,522 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 06:15:11,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 06:15:11,523 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 06:15:11,523 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 06:15:11,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 06:15:11,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 06:15:11,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 06:15:11,523 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 06:15:11,523 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 06:15:11,523 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 06:15:11,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 06:15:11,523 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:15:11,524 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 06:15:11,524 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 06:15:11,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:15:11,524 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:15:11,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:15:11,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:15:11,524 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:15:11,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:15:11,524 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:15:11,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:15:11,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:15:11,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:15:11,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 06:15:11,525 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 06:15:11,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 06:15:11,525 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 06:15:11,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 06:15:11,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 06:15:11,525 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 06:15:11,525 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 06:15:11,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 06:15:11,526 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_adb7138c-3e15-4b1e-b069-8f5ba6534800/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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b9a965f73c3cec90a7bf30e1abcce707e2acf95b41bbd45e0beb5b55c7fe39d
[2024-12-02 06:15:11,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:15:11,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:15:11,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:15:11,727 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 06:15:11,727 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 06:15:11,728 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i
[2024-12-02 06:15:14,269 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/data/58d7ef2ca/452f64953a484c26b12af595f1a1e1d4/FLAG3b7ad395c
[2024-12-02 06:15:14,489 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 06:15:14,490 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/sv-benchmarks/c/loop-zilu/benchmark04_conjunctive.i
[2024-12-02 06:15:14,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/data/58d7ef2ca/452f64953a484c26b12af595f1a1e1d4/FLAG3b7ad395c
[2024-12-02 06:15:14,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/data/58d7ef2ca/452f64953a484c26b12af595f1a1e1d4
[2024-12-02 06:15:14,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:15:14,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:15:14,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:15:14,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:15:14,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:15:14,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:15:14" (1/1) ...
[2024-12-02 06:15:14,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515d1502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:14, skipping insertion in model container
[2024-12-02 06:15:14,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:15:14" (1/1) ...
[2024-12-02 06:15:14,883 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:15:15,015 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:15:15,024 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 06:15:15,037 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:15:15,048 INFO L204 MainTranslator]: Completed translation
[2024-12-02 06:15:15,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:15 WrapperNode
[2024-12-02 06:15:15,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:15:15,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:15:15,050 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:15:15,050 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:15:15,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:15" (1/1) ...
[2024-12-02 06:15:15,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:15" (1/1) ...
[2024-12-02 06:15:15,075 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46
[2024-12-02 06:15:15,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:15:15,075 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:15:15,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:15:15,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:15:15,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:15" (1/1) ...
[2024-12-02 06:15:15,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:15" (1/1) ...
[2024-12-02 06:15:15,084 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:15" (1/1) ...
[2024-12-02 06:15:15,093 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 06:15:15,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:15" (1/1) ...
[2024-12-02 06:15:15,094 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:15" (1/1) ...
[2024-12-02 06:15:15,096 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:15" (1/1) ...
[2024-12-02 06:15:15,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:15" (1/1) ...
[2024-12-02 06:15:15,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:15" (1/1) ...
[2024-12-02 06:15:15,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:15" (1/1) ...
[2024-12-02 06:15:15,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:15" (1/1) ...
[2024-12-02 06:15:15,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:15:15,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:15:15,103 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:15:15,103 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:15:15,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:15" (1/1) ...
[2024-12-02 06:15:15,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:15:15,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:15:15,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 06:15:15,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:15:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:15:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 06:15:15,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:15:15,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:15:15,213 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 06:15:15,214 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:15:15,315 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live.
[2024-12-02 06:15:15,315 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 06:15:15,323 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:15:15,323 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-12-02 06:15:15,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:15:15 BoogieIcfgContainer
[2024-12-02 06:15:15,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:15:15,325 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 06:15:15,325 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 06:15:15,329 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 06:15:15,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:15:14" (1/3) ...
[2024-12-02 06:15:15,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd7bb7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:15:15, skipping insertion in model container
[2024-12-02 06:15:15,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:15:15" (2/3) ...
[2024-12-02 06:15:15,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fd7bb7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:15:15, skipping insertion in model container
[2024-12-02 06:15:15,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:15:15" (3/3) ...
[2024-12-02 06:15:15,331 INFO L128 eAbstractionObserver]: Analyzing ICFG benchmark04_conjunctive.i
[2024-12-02 06:15:15,342 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 06:15:15,344 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG benchmark04_conjunctive.i that has 1 procedures, 25 locations, 1 initial locations, 1 loop locations, and 6 error locations.
[2024-12-02 06:15:15,391 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:15:15,401 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;@58901202, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:15:15,401 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-12-02 06:15:15,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 24 states have internal predecessors, (29), 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 06:15:15,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2024-12-02 06:15:15,408 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:15:15,409 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2024-12-02 06:15:15,409 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 06:15:15,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:15:15,414 INFO L85 PathProgramCache]: Analyzing trace with hash 925671, now seen corresponding path program 1 times
[2024-12-02 06:15:15,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:15:15,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064075888]
[2024-12-02 06:15:15,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:15:15,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:15:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:15:15,564 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 06:15:15,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:15:15,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064075888]
[2024-12-02 06:15:15,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064075888] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:15:15,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:15:15,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 06:15:15,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296029374]
[2024-12-02 06:15:15,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:15:15,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:15:15,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:15:15,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:15:15,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:15:15,591 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 24 states have internal predecessors, (29), 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 06:15:15,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:15:15,625 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions.
[2024-12-02 06:15:15,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:15:15,627 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 4
[2024-12-02 06:15:15,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:15:15,632 INFO L225 Difference]: With dead ends: 32
[2024-12-02 06:15:15,632 INFO L226 Difference]: Without dead ends: 16
[2024-12-02 06:15:15,634 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 06:15:15,636 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 12 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:15:15,637 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 25 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:15:15,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2024-12-02 06:15:15,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2024-12-02 06:15:15,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 15 states have internal predecessors, (16), 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 06:15:15,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions.
[2024-12-02 06:15:15,661 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 4
[2024-12-02 06:15:15,661 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:15:15,661 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions.
[2024-12-02 06:15:15,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 06:15:15,662 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions.
[2024-12-02 06:15:15,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-12-02 06:15:15,662 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:15:15,662 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-12-02 06:15:15,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 06:15:15,663 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 06:15:15,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:15:15,664 INFO L85 PathProgramCache]: Analyzing trace with hash 28695845, now seen corresponding path program 1 times
[2024-12-02 06:15:15,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:15:15,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546436022]
[2024-12-02 06:15:15,664 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:15:15,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:15:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:15:15,706 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 06:15:15,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:15:15,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546436022]
[2024-12-02 06:15:15,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546436022] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:15:15,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:15:15,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 06:15:15,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520561290]
[2024-12-02 06:15:15,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:15:15,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:15:15,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:15:15,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:15:15,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:15:15,709 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 06:15:15,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:15:15,720 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions.
[2024-12-02 06:15:15,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:15:15,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) Word has length 5
[2024-12-02 06:15:15,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:15:15,721 INFO L225 Difference]: With dead ends: 16
[2024-12-02 06:15:15,721 INFO L226 Difference]: Without dead ends: 15
[2024-12-02 06:15:15,722 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 06:15:15,723 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 11 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:15:15,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 12 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:15:15,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2024-12-02 06:15:15,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15.
[2024-12-02 06:15:15,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 14 states have internal predecessors, (15), 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 06:15:15,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions.
[2024-12-02 06:15:15,728 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 5
[2024-12-02 06:15:15,729 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:15:15,729 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions.
[2024-12-02 06:15:15,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 06:15:15,729 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions.
[2024-12-02 06:15:15,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-12-02 06:15:15,730 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:15:15,730 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:15:15,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 06:15:15,730 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 06:15:15,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:15:15,731 INFO L85 PathProgramCache]: Analyzing trace with hash 179473292, now seen corresponding path program 1 times
[2024-12-02 06:15:15,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:15:15,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116161499]
[2024-12-02 06:15:15,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:15:15,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:15:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:15:15,802 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 06:15:15,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:15:15,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116161499]
[2024-12-02 06:15:15,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116161499] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:15:15,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:15:15,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:15:15,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73377306]
[2024-12-02 06:15:15,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:15:15,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:15:15,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:15:15,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:15:15,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:15:15,804 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 06:15:15,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:15:15,833 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions.
[2024-12-02 06:15:15,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:15:15,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) Word has length 8
[2024-12-02 06:15:15,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:15:15,834 INFO L225 Difference]: With dead ends: 15
[2024-12-02 06:15:15,834 INFO L226 Difference]: Without dead ends: 14
[2024-12-02 06:15:15,834 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 06:15:15,835 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 5 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 18 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 06:15:15,836 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 18 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:15:15,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states.
[2024-12-02 06:15:15,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14.
[2024-12-02 06:15:15,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 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 06:15:15,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions.
[2024-12-02 06:15:15,839 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 8
[2024-12-02 06:15:15,839 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:15:15,839 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions.
[2024-12-02 06:15:15,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 06:15:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions.
[2024-12-02 06:15:15,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-02 06:15:15,840 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:15:15,840 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:15:15,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 06:15:15,840 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 06:15:15,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:15:15,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1268704811, now seen corresponding path program 1 times
[2024-12-02 06:15:15,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:15:15,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729821024]
[2024-12-02 06:15:15,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:15:15,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:15:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:15:15,901 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 06:15:15,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:15:15,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729821024]
[2024-12-02 06:15:15,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729821024] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:15:15,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:15:15,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:15:15,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798062255]
[2024-12-02 06:15:15,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:15:15,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:15:15,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:15:15,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:15:15,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:15:15,903 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 06:15:15,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:15:15,927 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions.
[2024-12-02 06:15:15,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:15:15,928 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) Word has length 9
[2024-12-02 06:15:15,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:15:15,928 INFO L225 Difference]: With dead ends: 21
[2024-12-02 06:15:15,928 INFO L226 Difference]: Without dead ends: 20
[2024-12-02 06:15:15,929 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 06:15:15,929 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:15:15,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:15:15,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2024-12-02 06:15:15,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20.
[2024-12-02 06:15:15,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 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 06:15:15,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions.
[2024-12-02 06:15:15,934 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 9
[2024-12-02 06:15:15,934 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:15:15,935 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions.
[2024-12-02 06:15:15,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 06:15:15,935 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions.
[2024-12-02 06:15:15,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-12-02 06:15:15,935 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:15:15,935 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:15:15,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 06:15:15,936 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 06:15:15,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:15:15,936 INFO L85 PathProgramCache]: Analyzing trace with hash 675143534, now seen corresponding path program 1 times
[2024-12-02 06:15:15,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:15:15,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104307716]
[2024-12-02 06:15:15,936 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:15:15,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:15:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:15:16,009 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 06:15:16,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:15:16,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104307716]
[2024-12-02 06:15:16,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104307716] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:15:16,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:15:16,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:15:16,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677548859]
[2024-12-02 06:15:16,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:15:16,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:15:16,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:15:16,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:15:16,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:15:16,011 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 06:15:16,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:15:16,032 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions.
[2024-12-02 06:15:16,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:15:16,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) Word has length 10
[2024-12-02 06:15:16,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:15:16,033 INFO L225 Difference]: With dead ends: 23
[2024-12-02 06:15:16,033 INFO L226 Difference]: Without dead ends: 22
[2024-12-02 06:15:16,034 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 06:15:16,034 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:15:16,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 26 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:15:16,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states.
[2024-12-02 06:15:16,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21.
[2024-12-02 06:15:16,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 20 states have internal predecessors, (21), 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 06:15:16,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions.
[2024-12-02 06:15:16,038 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 10
[2024-12-02 06:15:16,038 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:15:16,038 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions.
[2024-12-02 06:15:16,038 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 06:15:16,039 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions.
[2024-12-02 06:15:16,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-12-02 06:15:16,039 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:15:16,039 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:15:16,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 06:15:16,039 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 06:15:16,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:15:16,040 INFO L85 PathProgramCache]: Analyzing trace with hash -545386867, now seen corresponding path program 1 times
[2024-12-02 06:15:16,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:15:16,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308829924]
[2024-12-02 06:15:16,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:15:16,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:15:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:15:16,087 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 06:15:16,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:15:16,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308829924]
[2024-12-02 06:15:16,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308829924] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:15:16,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:15:16,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:15:16,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034051007]
[2024-12-02 06:15:16,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:15:16,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:15:16,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:15:16,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:15:16,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:15:16,089 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 06:15:16,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:15:16,109 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions.
[2024-12-02 06:15:16,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:15:16,110 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) Word has length 11
[2024-12-02 06:15:16,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:15:16,110 INFO L225 Difference]: With dead ends: 21
[2024-12-02 06:15:16,110 INFO L226 Difference]: Without dead ends: 20
[2024-12-02 06:15:16,111 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 06:15:16,111 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:15:16,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 16 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:15:16,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states.
[2024-12-02 06:15:16,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20.
[2024-12-02 06:15:16,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 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 06:15:16,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions.
[2024-12-02 06:15:16,115 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 11
[2024-12-02 06:15:16,115 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:15:16,115 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions.
[2024-12-02 06:15:16,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 06:15:16,115 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions.
[2024-12-02 06:15:16,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-12-02 06:15:16,116 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:15:16,116 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:15:16,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 06:15:16,116 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 06:15:16,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:15:16,117 INFO L85 PathProgramCache]: Analyzing trace with hash -851973995, now seen corresponding path program 1 times
[2024-12-02 06:15:16,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:15:16,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061461156]
[2024-12-02 06:15:16,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:15:16,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:15:16,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:15:16,196 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:15:16,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:15:16,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061461156]
[2024-12-02 06:15:16,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061461156] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:15:16,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1618408205]
[2024-12-02 06:15:16,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:15:16,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:15:16,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:15:16,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:15:16,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 06:15:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:15:16,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 06:15:16,242 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:15:16,302 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:15:16,302 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:15:16,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:15:16,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1618408205] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:15:16,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:15:16,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9
[2024-12-02 06:15:16,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818193673]
[2024-12-02 06:15:16,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:15:16,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 06:15:16,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:15:16,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 06:15:16,379 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2024-12-02 06:15:16,380 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 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 06:15:16,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:15:16,427 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions.
[2024-12-02 06:15:16,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-12-02 06:15:16,428 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 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) Word has length 17
[2024-12-02 06:15:16,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:15:16,428 INFO L225 Difference]: With dead ends: 46
[2024-12-02 06:15:16,428 INFO L226 Difference]: Without dead ends: 45
[2024-12-02 06:15:16,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2024-12-02 06:15:16,429 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 5 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:15:16,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 37 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:15:16,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2024-12-02 06:15:16,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43.
[2024-12-02 06:15:16,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 42 states have internal predecessors, (45), 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 06:15:16,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions.
[2024-12-02 06:15:16,435 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 17
[2024-12-02 06:15:16,435 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:15:16,435 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions.
[2024-12-02 06:15:16,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 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 06:15:16,435 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions.
[2024-12-02 06:15:16,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2024-12-02 06:15:16,435 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:15:16,436 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:15:16,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 06:15:16,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:15:16,637 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 06:15:16,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:15:16,637 INFO L85 PathProgramCache]: Analyzing trace with hash -641390012, now seen corresponding path program 1 times
[2024-12-02 06:15:16,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:15:16,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005821153]
[2024-12-02 06:15:16,637 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:15:16,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:15:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:15:16,707 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:15:16,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:15:16,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005821153]
[2024-12-02 06:15:16,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005821153] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:15:16,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006479066]
[2024-12-02 06:15:16,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:15:16,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:15:16,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:15:16,709 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:15:16,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 06:15:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:15:16,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-02 06:15:16,746 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:15:16,874 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:15:16,874 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:15:17,086 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:15:17,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006479066] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:15:17,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:15:17,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 15
[2024-12-02 06:15:17,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224082221]
[2024-12-02 06:15:17,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:15:17,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-12-02 06:15:17,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:15:17,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-12-02 06:15:17,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240
[2024-12-02 06:15:17,088 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 16 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 16 states have internal predecessors, (47), 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 06:15:17,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:15:17,350 INFO L93 Difference]: Finished difference Result 54 states and 57 transitions.
[2024-12-02 06:15:17,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2024-12-02 06:15:17,351 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 16 states have internal predecessors, (47), 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) Word has length 18
[2024-12-02 06:15:17,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:15:17,351 INFO L225 Difference]: With dead ends: 54
[2024-12-02 06:15:17,351 INFO L226 Difference]: Without dead ends: 53
[2024-12-02 06:15:17,352 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552
[2024-12-02 06:15:17,352 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 11 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:15:17,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 37 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:15:17,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2024-12-02 06:15:17,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52.
[2024-12-02 06:15:17,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 50 states have (on average 1.06) internal successors, (53), 51 states have internal predecessors, (53), 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 06:15:17,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions.
[2024-12-02 06:15:17,359 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 18
[2024-12-02 06:15:17,359 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:15:17,359 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions.
[2024-12-02 06:15:17,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 16 states have internal predecessors, (47), 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 06:15:17,359 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions.
[2024-12-02 06:15:17,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2024-12-02 06:15:17,360 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:15:17,360 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1]
[2024-12-02 06:15:17,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 06:15:17,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:15:17,561 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 06:15:17,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:15:17,561 INFO L85 PathProgramCache]: Analyzing trace with hash 534950867, now seen corresponding path program 2 times
[2024-12-02 06:15:17,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:15:17,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107764411]
[2024-12-02 06:15:17,561 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:15:17,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:15:17,569 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 06:15:17,569 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:15:17,597 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-12-02 06:15:17,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:15:17,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107764411]
[2024-12-02 06:15:17,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107764411] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:15:17,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413983507]
[2024-12-02 06:15:17,597 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:15:17,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:15:17,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:15:17,599 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:15:17,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 06:15:17,629 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 06:15:17,629 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:15:17,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 06:15:17,631 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:15:17,710 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-12-02 06:15:17,710 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:15:17,780 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-12-02 06:15:17,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413983507] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:15:17,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:15:17,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 5
[2024-12-02 06:15:17,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904366693]
[2024-12-02 06:15:17,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:15:17,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 06:15:17,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:15:17,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 06:15:17,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 06:15:17,781 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 06:15:17,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:15:17,824 INFO L93 Difference]: Finished difference Result 52 states and 53 transitions.
[2024-12-02 06:15:17,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 06:15:17,826 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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) Word has length 41
[2024-12-02 06:15:17,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:15:17,826 INFO L225 Difference]: With dead ends: 52
[2024-12-02 06:15:17,826 INFO L226 Difference]: Without dead ends: 51
[2024-12-02 06:15:17,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2024-12-02 06:15:17,827 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 12 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:15:17,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 17 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:15:17,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2024-12-02 06:15:17,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2024-12-02 06:15:17,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.02) internal successors, (51), 50 states have internal predecessors, (51), 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 06:15:17,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions.
[2024-12-02 06:15:17,833 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 41
[2024-12-02 06:15:17,834 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:15:17,834 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions.
[2024-12-02 06:15:17,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 06:15:17,834 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions.
[2024-12-02 06:15:17,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2024-12-02 06:15:17,835 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:15:17,835 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1]
[2024-12-02 06:15:17,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 06:15:18,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:15:18,036 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-12-02 06:15:18,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:15:18,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1084897692, now seen corresponding path program 2 times
[2024-12-02 06:15:18,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:15:18,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447881293]
[2024-12-02 06:15:18,036 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:15:18,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:15:18,054 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 06:15:18,054 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:15:18,330 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked.
[2024-12-02 06:15:18,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:15:18,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447881293]
[2024-12-02 06:15:18,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447881293] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:15:18,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1278494429]
[2024-12-02 06:15:18,330 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 06:15:18,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:15:18,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:15:18,332 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:15:18,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 06:15:18,379 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 06:15:18,380 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 06:15:18,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 25 conjuncts are in the unsatisfiable core
[2024-12-02 06:15:18,383 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:15:18,827 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:15:18,827 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:15:19,492 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 115 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:15:19,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1278494429] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:15:19,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:15:19,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 19, 19] total 40
[2024-12-02 06:15:19,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562595579]
[2024-12-02 06:15:19,492 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:15:19,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states
[2024-12-02 06:15:19,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:15:19,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants.
[2024-12-02 06:15:19,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1424, Unknown=0, NotChecked=0, Total=1640
[2024-12-02 06:15:19,495 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand has 41 states, 40 states have (on average 2.7) internal successors, (108), 41 states have internal predecessors, (108), 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 06:15:20,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:15:20,560 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions.
[2024-12-02 06:15:20,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states.
[2024-12-02 06:15:20,561 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 2.7) internal successors, (108), 41 states have internal predecessors, (108), 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) Word has length 50
[2024-12-02 06:15:20,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:15:20,561 INFO L225 Difference]: With dead ends: 56
[2024-12-02 06:15:20,561 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 06:15:20,563 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1127 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=628, Invalid=3662, Unknown=0, NotChecked=0, Total=4290
[2024-12-02 06:15:20,564 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 89 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 903 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 06:15:20,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 28 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 903 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 06:15:20,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 06:15:20,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 06:15:20,565 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 06:15:20,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 06:15:20,565 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50
[2024-12-02 06:15:20,565 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:15:20,565 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 06:15:20,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 2.7) internal successors, (108), 41 states have internal predecessors, (108), 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 06:15:20,566 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 06:15:20,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 06:15:20,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining)
[2024-12-02 06:15:20,568 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining)
[2024-12-02 06:15:20,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining)
[2024-12-02 06:15:20,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining)
[2024-12-02 06:15:20,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining)
[2024-12-02 06:15:20,569 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining)
[2024-12-02 06:15:20,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-12-02 06:15:20,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-12-02 06:15:20,772 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:15:20,774 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 06:15:20,896 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 06:15:20,908 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post4
[2024-12-02 06:15:20,908 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post4
[2024-12-02 06:15:20,909 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post4
[2024-12-02 06:15:20,909 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post4
[2024-12-02 06:15:20,909 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post4
[2024-12-02 06:15:20,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:15:20 BoogieIcfgContainer
[2024-12-02 06:15:20,911 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 06:15:20,912 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 06:15:20,912 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 06:15:20,912 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 06:15:20,912 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:15:15" (3/4) ...
[2024-12-02 06:15:20,914 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 06:15:20,920 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2024-12-02 06:15:20,920 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 06:15:20,920 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 06:15:20,921 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 06:15:20,983 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 06:15:20,983 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 06:15:20,983 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 06:15:20,984 INFO L158 Benchmark]: Toolchain (without parser) took 6119.72ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 85.0MB in the end (delta: 8.1MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB.
[2024-12-02 06:15:20,984 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:15:20,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.62ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.3MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:15:20,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.41ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:15:20,985 INFO L158 Benchmark]: Boogie Preprocessor took 26.93ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:15:20,985 INFO L158 Benchmark]: RCFGBuilder took 220.73ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 70.2MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:15:20,986 INFO L158 Benchmark]: TraceAbstraction took 5586.16ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 89.7MB in the end (delta: -20.1MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB.
[2024-12-02 06:15:20,986 INFO L158 Benchmark]: Witness Printer took 71.70ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 85.0MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:15:20,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 183.62ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.3MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 25.41ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 26.93ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 220.73ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 70.2MB in the end (delta: 9.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 5586.16ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 89.7MB in the end (delta: -20.1MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB.
* Witness Printer took 71.70ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 85.0MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #t~post4
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #t~post4
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #t~post4
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #t~post4
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: #t~post4
* 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: 24]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 24]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 25]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 25]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 26]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 26]: 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 1 procedures, 25 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 10, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 242 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 153 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1152 IncrementalHoareTripleChecker+Invalid, 1202 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 89 mSDtfsCounter, 1152 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 329 GetRequests, 215 SyntacticMatches, 3 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1200 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=8, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 4 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 299 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 407 ConstructedInterpolants, 0 QuantifiedInterpolants, 2005 SizeOfPredicates, 14 NumberOfNonLiveVariables, 251 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 18 InterpolantComputations, 6 PerfectInterpolantSequences, 275/600 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
6 specifications checked. All of them hold
- InvariantResult [Line: 24]: Loop Invariant
Derived loop invariant: ((((((n <= 2147483647) && (0 <= ((long long) 2147483647 + k))) && (k <= 2147483647)) && (0 <= j)) && (n <= ((long long) j + k))) && (1 <= n))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 06:15:21,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adb7138c-3e15-4b1e-b069-8f5ba6534800/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE