./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC --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 0414607cdfaf86248673acc731020b311087823754eb03e229e19e48245fa120
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 18:28:17,469 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 18:28:17,564 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-23 18:28:17,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 18:28:17,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 18:28:17,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 18:28:17,595 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 18:28:17,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 18:28:17,596 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 18:28:17,596 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 18:28:17,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 18:28:17,596 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 18:28:17,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 18:28:17,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 18:28:17,596 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 18:28:17,597 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 18:28:17,597 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 18:28:17,597 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 18:28:17,597 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 18:28:17,597 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 18:28:17,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 18:28:17,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 18:28:17,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 18:28:17,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 18:28:17,598 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-23 18:28:17,598 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 18:28:17,598 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 18:28:17,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 18:28:17,598 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 18:28:17,598 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 18:28:17,599 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 18:28:17,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 18:28:17,599 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 18:28:17,599 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 18:28:17,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:28:17,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 18:28:17,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 18:28:17,599 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 18:28:17,600 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 18:28:17,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:28:17,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 18:28:17,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 18:28:17,600 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 18:28:17,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 18:28:17,600 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 18:28:17,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 18:28:17,600 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 18:28:17,600 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 18:28:17,601 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 18:28:17,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 18:28:17,601 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_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC
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 -> 0414607cdfaf86248673acc731020b311087823754eb03e229e19e48245fa120
[2024-11-23 18:28:17,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 18:28:17,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 18:28:17,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 18:28:17,965 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 18:28:17,965 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 18:28:17,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i
[2024-11-23 18:28:20,970 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/data/5c1c4a9e2/8b00c871816645eebe35187cac0a0923/FLAG7f199ab52
[2024-11-23 18:28:21,254 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 18:28:21,255 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/sv-benchmarks/c/loop-zilu/benchmark34_conjunctive.i
[2024-11-23 18:28:21,275 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/data/5c1c4a9e2/8b00c871816645eebe35187cac0a0923/FLAG7f199ab52
[2024-11-23 18:28:21,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/data/5c1c4a9e2/8b00c871816645eebe35187cac0a0923
[2024-11-23 18:28:21,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 18:28:21,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 18:28:21,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 18:28:21,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 18:28:21,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 18:28:21,339 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:28:21" (1/1) ...
[2024-11-23 18:28:21,340 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@541c3d9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:21, skipping insertion in model container
[2024-11-23 18:28:21,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:28:21" (1/1) ...
[2024-11-23 18:28:21,359 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 18:28:21,546 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:28:21,561 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 18:28:21,577 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:28:21,588 INFO L204 MainTranslator]: Completed translation
[2024-11-23 18:28:21,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:21 WrapperNode
[2024-11-23 18:28:21,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 18:28:21,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 18:28:21,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 18:28:21,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 18:28:21,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:21" (1/1) ...
[2024-11-23 18:28:21,607 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:21" (1/1) ...
[2024-11-23 18:28:21,627 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44
[2024-11-23 18:28:21,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 18:28:21,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 18:28:21,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 18:28:21,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 18:28:21,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:21" (1/1) ...
[2024-11-23 18:28:21,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:21" (1/1) ...
[2024-11-23 18:28:21,638 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:21" (1/1) ...
[2024-11-23 18:28:21,648 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].
[2024-11-23 18:28:21,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:21" (1/1) ...
[2024-11-23 18:28:21,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:21" (1/1) ...
[2024-11-23 18:28:21,651 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:21" (1/1) ...
[2024-11-23 18:28:21,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:21" (1/1) ...
[2024-11-23 18:28:21,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:21" (1/1) ...
[2024-11-23 18:28:21,658 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:21" (1/1) ...
[2024-11-23 18:28:21,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:21" (1/1) ...
[2024-11-23 18:28:21,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 18:28:21,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 18:28:21,665 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 18:28:21,665 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 18:28:21,669 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:21" (1/1) ...
[2024-11-23 18:28:21,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:28:21,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:28:21,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 18:28:21,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 18:28:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 18:28:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 18:28:21,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 18:28:21,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 18:28:21,810 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 18:28:21,812 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 18:28:21,937 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live.
[2024-11-23 18:28:21,937 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 18:28:21,947 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 18:28:21,947 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-23 18:28:21,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:28:21 BoogieIcfgContainer
[2024-11-23 18:28:21,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 18:28:21,950 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 18:28:21,950 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 18:28:21,955 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 18:28:21,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:28:21" (1/3) ...
[2024-11-23 18:28:21,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e916a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:28:21, skipping insertion in model container
[2024-11-23 18:28:21,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:28:21" (2/3) ...
[2024-11-23 18:28:21,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e916a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:28:21, skipping insertion in model container
[2024-11-23 18:28:21,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:28:21" (3/3) ...
[2024-11-23 18:28:21,958 INFO L128 eAbstractionObserver]: Analyzing ICFG benchmark34_conjunctive.i
[2024-11-23 18:28:21,974 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 18:28:21,976 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG benchmark34_conjunctive.i that has 1 procedures, 21 locations, 1 initial locations, 1 loop locations, and 4 error locations.
[2024-11-23 18:28:22,026 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 18:28:22,039 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;@745c7d34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 18:28:22,039 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-23 18:28:22,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 16 states have (on average 1.5625) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:28:22,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2024-11-23 18:28:22,048 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:28:22,049 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-23 18:28:22,049 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 18:28:22,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:28:22,056 INFO L85 PathProgramCache]: Analyzing trace with hash 889572298, now seen corresponding path program 1 times
[2024-11-23 18:28:22,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:28:22,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157628140]
[2024-11-23 18:28:22,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:28:22,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:28:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:28:22,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:28:22,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:28:22,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157628140]
[2024-11-23 18:28:22,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157628140] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:28:22,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:28:22,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:28:22,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603399314]
[2024-11-23 18:28:22,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:28:22,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:28:22,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:28:22,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:28:22,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:28:22,344 INFO L87 Difference]: Start difference. First operand has 21 states, 16 states have (on average 1.5625) internal successors, (25), 20 states have internal predecessors, (25), 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 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:28:22,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:28:22,404 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions.
[2024-11-23 18:28:22,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:28:22,408 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 6
[2024-11-23 18:28:22,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:28:22,414 INFO L225 Difference]: With dead ends: 28
[2024-11-23 18:28:22,415 INFO L226 Difference]: Without dead ends: 12
[2024-11-23 18:28:22,418 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
[2024-11-23 18:28:22,423 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 5 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:28:22,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 32 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:28:22,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2024-11-23 18:28:22,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12.
[2024-11-23 18:28:22,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:28:22,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions.
[2024-11-23 18:28:22,463 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 6
[2024-11-23 18:28:22,463 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:28:22,463 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions.
[2024-11-23 18:28:22,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:28:22,464 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions.
[2024-11-23 18:28:22,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2024-11-23 18:28:22,464 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:28:22,464 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:28:22,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 18:28:22,465 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 18:28:22,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:28:22,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1806937513, now seen corresponding path program 1 times
[2024-11-23 18:28:22,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:28:22,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741626907]
[2024-11-23 18:28:22,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:28:22,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:28:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:28:22,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:28:22,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:28:22,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741626907]
[2024-11-23 18:28:22,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741626907] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:28:22,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:28:22,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:28:22,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079035168]
[2024-11-23 18:28:22,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:28:22,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:28:22,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:28:22,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:28:22,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:28:22,575 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:28:22,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:28:22,608 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions.
[2024-11-23 18:28:22,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:28:22,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7
[2024-11-23 18:28:22,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:28:22,611 INFO L225 Difference]: With dead ends: 17
[2024-11-23 18:28:22,611 INFO L226 Difference]: Without dead ends: 16
[2024-11-23 18:28:22,611 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
[2024-11-23 18:28:22,612 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 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
[2024-11-23 18:28:22,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:28:22,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2024-11-23 18:28:22,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2024-11-23 18:28:22,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 13 states have (on average 1.2307692307692308) 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)
[2024-11-23 18:28:22,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions.
[2024-11-23 18:28:22,619 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 7
[2024-11-23 18:28:22,619 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:28:22,619 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions.
[2024-11-23 18:28:22,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:28:22,619 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions.
[2024-11-23 18:28:22,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-23 18:28:22,623 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:28:22,623 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:28:22,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 18:28:22,623 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 18:28:22,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:28:22,624 INFO L85 PathProgramCache]: Analyzing trace with hash 180488108, now seen corresponding path program 1 times
[2024-11-23 18:28:22,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:28:22,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490393517]
[2024-11-23 18:28:22,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:28:22,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:28:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:28:22,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:28:22,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:28:22,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490393517]
[2024-11-23 18:28:22,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490393517] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:28:22,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:28:22,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:28:22,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969048280]
[2024-11-23 18:28:22,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:28:22,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:28:22,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:28:22,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:28:22,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:28:22,712 INFO L87 Difference]: Start difference. First operand 16 states and 16 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)
[2024-11-23 18:28:22,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:28:22,745 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions.
[2024-11-23 18:28:22,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:28:22,746 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
[2024-11-23 18:28:22,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:28:22,747 INFO L225 Difference]: With dead ends: 19
[2024-11-23 18:28:22,747 INFO L226 Difference]: Without dead ends: 18
[2024-11-23 18:28:22,747 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
[2024-11-23 18:28:22,748 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 20 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
[2024-11-23 18:28:22,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 20 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:28:22,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2024-11-23 18:28:22,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17.
[2024-11-23 18:28:22,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 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)
[2024-11-23 18:28:22,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions.
[2024-11-23 18:28:22,756 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 8
[2024-11-23 18:28:22,756 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:28:22,756 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions.
[2024-11-23 18:28:22,756 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)
[2024-11-23 18:28:22,756 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions.
[2024-11-23 18:28:22,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-23 18:28:22,758 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:28:22,758 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:28:22,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 18:28:22,760 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 18:28:22,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:28:22,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1300164107, now seen corresponding path program 1 times
[2024-11-23 18:28:22,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:28:22,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220479466]
[2024-11-23 18:28:22,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:28:22,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:28:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:28:22,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:28:22,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:28:22,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220479466]
[2024-11-23 18:28:22,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220479466] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:28:22,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:28:22,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:28:22,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909027142]
[2024-11-23 18:28:22,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:28:22,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:28:22,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:28:22,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:28:22,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:28:22,820 INFO L87 Difference]: Start difference. First operand 17 states and 17 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)
[2024-11-23 18:28:22,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:28:22,840 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions.
[2024-11-23 18:28:22,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:28:22,840 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
[2024-11-23 18:28:22,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:28:22,841 INFO L225 Difference]: With dead ends: 17
[2024-11-23 18:28:22,841 INFO L226 Difference]: Without dead ends: 16
[2024-11-23 18:28:22,841 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
[2024-11-23 18:28:22,842 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 1 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 12 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
[2024-11-23 18:28:22,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 12 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:28:22,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2024-11-23 18:28:22,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2024-11-23 18:28:22,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 14 states have (on average 1.1428571428571428) 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)
[2024-11-23 18:28:22,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions.
[2024-11-23 18:28:22,846 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9
[2024-11-23 18:28:22,846 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:28:22,846 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions.
[2024-11-23 18:28:22,846 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)
[2024-11-23 18:28:22,846 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions.
[2024-11-23 18:28:22,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-23 18:28:22,847 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:28:22,847 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:28:22,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 18:28:22,847 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 18:28:22,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:28:22,848 INFO L85 PathProgramCache]: Analyzing trace with hash 2030514961, now seen corresponding path program 1 times
[2024-11-23 18:28:22,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:28:22,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367851470]
[2024-11-23 18:28:22,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:28:22,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:28:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:28:22,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:28:22,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:28:22,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367851470]
[2024-11-23 18:28:22,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367851470] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:28:22,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568522275]
[2024-11-23 18:28:22,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:28:22,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:28:22,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:28:22,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:28:22,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-23 18:28:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:28:23,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-23 18:28:23,036 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:28:23,109 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:28:23,109 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 18:28:23,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:28:23,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568522275] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 18:28:23,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 18:28:23,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9
[2024-11-23 18:28:23,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283796472]
[2024-11-23 18:28:23,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 18:28:23,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-23 18:28:23,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:28:23,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-23 18:28:23,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2024-11-23 18:28:23,219 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:28:23,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:28:23,311 INFO L93 Difference]: Finished difference Result 36 states and 38 transitions.
[2024-11-23 18:28:23,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-23 18:28:23,313 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 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 13
[2024-11-23 18:28:23,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:28:23,313 INFO L225 Difference]: With dead ends: 36
[2024-11-23 18:28:23,313 INFO L226 Difference]: Without dead ends: 35
[2024-11-23 18:28:23,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2024-11-23 18:28:23,315 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 5 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-23 18:28:23,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 33 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-23 18:28:23,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states.
[2024-11-23 18:28:23,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33.
[2024-11-23 18:28:23,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 32 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:28:23,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions.
[2024-11-23 18:28:23,326 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 13
[2024-11-23 18:28:23,327 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:28:23,327 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions.
[2024-11-23 18:28:23,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:28:23,327 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions.
[2024-11-23 18:28:23,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-23 18:28:23,327 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:28:23,327 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:28:23,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-23 18:28:23,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:28:23,533 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 18:28:23,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:28:23,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1478545596, now seen corresponding path program 1 times
[2024-11-23 18:28:23,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:28:23,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967493147]
[2024-11-23 18:28:23,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:28:23,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:28:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:28:23,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:28:23,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:28:23,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967493147]
[2024-11-23 18:28:23,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967493147] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:28:23,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886642760]
[2024-11-23 18:28:23,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:28:23,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:28:23,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:28:23,687 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:28:23,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-23 18:28:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:28:23,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-23 18:28:23,737 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:28:23,888 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:28:23,888 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 18:28:24,137 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:28:24,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886642760] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 18:28:24,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 18:28:24,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 15
[2024-11-23 18:28:24,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129777488]
[2024-11-23 18:28:24,138 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 18:28:24,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-23 18:28:24,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:28:24,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-23 18:28:24,141 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240
[2024-11-23 18:28:24,142 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand has 16 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 16 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:28:24,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:28:24,435 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions.
[2024-11-23 18:28:24,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states.
[2024-11-23 18:28:24,435 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 16 states have internal predecessors, (35), 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 14
[2024-11-23 18:28:24,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:28:24,436 INFO L225 Difference]: With dead ends: 42
[2024-11-23 18:28:24,436 INFO L226 Difference]: Without dead ends: 41
[2024-11-23 18:28:24,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=124, Invalid=428, Unknown=0, NotChecked=0, Total=552
[2024-11-23 18:28:24,438 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 8 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-23 18:28:24,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 25 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-23 18:28:24,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-11-23 18:28:24,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40.
[2024-11-23 18:28:24,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 39 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:28:24,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions.
[2024-11-23 18:28:24,446 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 14
[2024-11-23 18:28:24,446 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:28:24,446 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions.
[2024-11-23 18:28:24,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.3333333333333335) internal successors, (35), 16 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:28:24,446 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions.
[2024-11-23 18:28:24,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2024-11-23 18:28:24,447 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:28:24,447 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1]
[2024-11-23 18:28:24,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-23 18:28:24,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-11-23 18:28:24,648 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 18:28:24,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:28:24,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1198370633, now seen corresponding path program 2 times
[2024-11-23 18:28:24,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:28:24,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443903384]
[2024-11-23 18:28:24,649 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 18:28:24,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:28:24,669 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 18:28:24,669 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 18:28:24,730 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2024-11-23 18:28:24,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:28:24,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443903384]
[2024-11-23 18:28:24,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443903384] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:28:24,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502947177]
[2024-11-23 18:28:24,731 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 18:28:24,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:28:24,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:28:24,734 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:28:24,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-23 18:28:24,766 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 18:28:24,766 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 18:28:24,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-23 18:28:24,768 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:28:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2024-11-23 18:28:24,876 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 18:28:24,961 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2024-11-23 18:28:24,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502947177] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 18:28:24,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 18:28:24,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 5
[2024-11-23 18:28:24,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082709120]
[2024-11-23 18:28:24,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 18:28:24,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 18:28:24,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:28:24,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 18:28:24,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-23 18:28:24,966 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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)
[2024-11-23 18:28:25,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:28:25,018 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions.
[2024-11-23 18:28:25,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 18:28:25,020 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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) Word has length 31
[2024-11-23 18:28:25,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:28:25,021 INFO L225 Difference]: With dead ends: 40
[2024-11-23 18:28:25,021 INFO L226 Difference]: Without dead ends: 39
[2024-11-23 18:28:25,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2024-11-23 18:28:25,022 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:28:25,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 17 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 18:28:25,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2024-11-23 18:28:25,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39.
[2024-11-23 18:28:25,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.0263157894736843) internal successors, (39), 38 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:28:25,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions.
[2024-11-23 18:28:25,034 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 31
[2024-11-23 18:28:25,034 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:28:25,034 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions.
[2024-11-23 18:28:25,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 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)
[2024-11-23 18:28:25,034 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions.
[2024-11-23 18:28:25,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2024-11-23 18:28:25,035 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:28:25,035 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 1, 1, 1, 1]
[2024-11-23 18:28:25,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-23 18:28:25,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2024-11-23 18:28:25,236 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] ===
[2024-11-23 18:28:25,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:28:25,236 INFO L85 PathProgramCache]: Analyzing trace with hash -724690524, now seen corresponding path program 2 times
[2024-11-23 18:28:25,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:28:25,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692317008]
[2024-11-23 18:28:25,237 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 18:28:25,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:28:25,269 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-23 18:28:25,270 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 18:28:25,564 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked.
[2024-11-23 18:28:25,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:28:25,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692317008]
[2024-11-23 18:28:25,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692317008] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:28:25,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294070455]
[2024-11-23 18:28:25,565 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 18:28:25,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:28:25,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:28:25,571 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:28:25,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-23 18:28:25,618 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-23 18:28:25,618 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 18:28:25,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 25 conjuncts are in the unsatisfiable core
[2024-11-23 18:28:25,621 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:28:26,171 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:28:26,171 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 18:28:26,907 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:28:26,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294070455] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 18:28:26,907 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 18:28:26,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 19, 19] total 40
[2024-11-23 18:28:26,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624282153]
[2024-11-23 18:28:26,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 18:28:26,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states
[2024-11-23 18:28:26,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:28:26,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants.
[2024-11-23 18:28:26,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1424, Unknown=0, NotChecked=0, Total=1640
[2024-11-23 18:28:26,912 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand has 41 states, 40 states have (on average 2.05) internal successors, (82), 41 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:28:28,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:28:28,080 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions.
[2024-11-23 18:28:28,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states.
[2024-11-23 18:28:28,080 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 2.05) internal successors, (82), 41 states have internal predecessors, (82), 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 38
[2024-11-23 18:28:28,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:28:28,080 INFO L225 Difference]: With dead ends: 42
[2024-11-23 18:28:28,080 INFO L226 Difference]: Without dead ends: 0
[2024-11-23 18:28:28,085 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1127 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=628, Invalid=3662, Unknown=0, NotChecked=0, Total=4290
[2024-11-23 18:28:28,085 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 13 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-23 18:28:28,086 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 25 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-23 18:28:28,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-23 18:28:28,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-23 18:28:28,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:28:28,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-23 18:28:28,087 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38
[2024-11-23 18:28:28,087 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:28:28,087 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-23 18:28:28,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 2.05) internal successors, (82), 41 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:28:28,087 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-23 18:28:28,088 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-23 18:28:28,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining)
[2024-11-23 18:28:28,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining)
[2024-11-23 18:28:28,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining)
[2024-11-23 18:28:28,090 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining)
[2024-11-23 18:28:28,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-23 18:28:28,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2024-11-23 18:28:28,297 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1]
[2024-11-23 18:28:28,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-23 18:28:28,474 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 18:28:28,492 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post4
[2024-11-23 18:28:28,493 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post4
[2024-11-23 18:28:28,495 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post4
[2024-11-23 18:28:28,495 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post4
[2024-11-23 18:28:28,495 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post4
[2024-11-23 18:28:28,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:28:28 BoogieIcfgContainer
[2024-11-23 18:28:28,498 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 18:28:28,500 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 18:28:28,500 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 18:28:28,500 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 18:28:28,501 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:28:21" (3/4) ...
[2024-11-23 18:28:28,503 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-23 18:28:28,511 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2024-11-23 18:28:28,512 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-23 18:28:28,512 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-23 18:28:28,512 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-23 18:28:28,586 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 18:28:28,586 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 18:28:28,586 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 18:28:28,587 INFO L158 Benchmark]: Toolchain (without parser) took 7260.32ms. Allocated memory is still 142.6MB. Free memory was 119.7MB in the beginning and 99.3MB in the end (delta: 20.3MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB.
[2024-11-23 18:28:28,587 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:28:28,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.59ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:28:28,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.06ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 107.8MB in the end (delta: 941.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:28:28,588 INFO L158 Benchmark]: Boogie Preprocessor took 36.27ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:28:28,588 INFO L158 Benchmark]: RCFGBuilder took 282.57ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 96.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:28:28,588 INFO L158 Benchmark]: TraceAbstraction took 6548.65ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 103.6MB in the end (delta: -7.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB.
[2024-11-23 18:28:28,589 INFO L158 Benchmark]: Witness Printer took 85.96ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 99.3MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 18:28:28,590 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 255.59ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 38.06ms. Allocated memory is still 142.6MB. Free memory was 108.8MB in the beginning and 107.8MB in the end (delta: 941.5kB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 36.27ms. Allocated memory is still 142.6MB. Free memory was 107.6MB in the beginning and 106.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 282.57ms. Allocated memory is still 142.6MB. Free memory was 106.5MB in the beginning and 96.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 6548.65ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 103.6MB in the end (delta: -7.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB.
* Witness Printer took 85.96ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 99.3MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. 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: 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: 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
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 21 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.3s, OverallIterations: 8, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 184 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 832 IncrementalHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 56 mSDtfsCounter, 832 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 265 GetRequests, 153 SyntacticMatches, 3 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1200 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=6, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 4 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 222 NumberOfCodeBlocks, 174 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 302 ConstructedInterpolants, 0 QuantifiedInterpolants, 1456 SizeOfPredicates, 14 NumberOfNonLiveVariables, 244 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 16 InterpolantComputations, 4 PerfectInterpolantSequences, 185/438 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
- InvariantResult [Line: 24]: Loop Invariant
Derived loop invariant: (((((n <= 2147483647) && (0 <= ((long long) 2147483647 + k))) && (k <= 2147483647)) && (0 <= j)) && (n <= ((long long) j + k)))
RESULT: Ultimate proved your program to be correct!
[2024-11-23 18:28:28,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9fdd894-a115-4991-bcb3-34faeeb68784/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE