./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/standard_init3_ground-2.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-examples/standard_init3_ground-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e3a23c39a71f68ea97a16f1ff860e4af783e55492bb64ac88412e1e3f7ca41d5
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:47:53,627 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:47:53,686 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-12-02 15:47:53,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:47:53,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:47:53,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:47:53,714 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:47:53,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:47:53,714 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 15:47:53,714 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 15:47:53,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 15:47:53,714 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 15:47:53,715 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:47:53,715 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 15:47:53,715 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 15:47:53,715 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:47:53,715 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 15:47:53,715 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 15:47:53,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 15:47:53,715 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 15:47:53,716 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 15:47:53,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 15:47:53,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 15:47:53,716 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 15:47:53,716 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-02 15:47:53,716 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 15:47:53,716 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 15:47:53,716 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 15:47:53,716 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:47:53,716 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 15:47:53,716 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 15:47:53,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:47:53,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:47:53,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:47:53,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:47:53,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:47:53,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:47:53,717 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 15:47:53,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 15:47:53,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:47:53,717 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:47:53,717 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 15:47:53,717 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 15:47:53,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 15:47:53,718 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 15:47:53,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 15:47:53,718 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 15:47:53,718 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 15:47:53,718 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 15:47:53,718 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 15:47:53,718 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_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3a23c39a71f68ea97a16f1ff860e4af783e55492bb64ac88412e1e3f7ca41d5
[2024-12-02 15:47:53,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:47:53,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:47:53,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:47:53,961 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 15:47:53,962 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 15:47:53,962 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/array-examples/standard_init3_ground-2.i
[2024-12-02 15:47:56,579 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/data/8fe9fa6f7/4a2f1fa9d08947138e8a3dd252bfaab0/FLAGeb79cdf73
[2024-12-02 15:47:56,769 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 15:47:56,769 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/sv-benchmarks/c/array-examples/standard_init3_ground-2.i
[2024-12-02 15:47:56,776 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/data/8fe9fa6f7/4a2f1fa9d08947138e8a3dd252bfaab0/FLAGeb79cdf73
[2024-12-02 15:47:57,139 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/data/8fe9fa6f7/4a2f1fa9d08947138e8a3dd252bfaab0
[2024-12-02 15:47:57,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:47:57,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:47:57,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:47:57,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:47:57,145 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:47:57,146 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:57" (1/1) ...
[2024-12-02 15:47:57,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4498b17c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:57, skipping insertion in model container
[2024-12-02 15:47:57,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:47:57" (1/1) ...
[2024-12-02 15:47:57,156 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:47:57,285 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:47:57,293 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 15:47:57,308 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:47:57,321 INFO L204 MainTranslator]: Completed translation
[2024-12-02 15:47:57,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:57 WrapperNode
[2024-12-02 15:47:57,321 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:47:57,322 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:47:57,322 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:47:57,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:47:57,328 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:57" (1/1) ...
[2024-12-02 15:47:57,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:57" (1/1) ...
[2024-12-02 15:47:57,347 INFO L138 Inliner]: procedures = 15, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59
[2024-12-02 15:47:57,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:47:57,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:47:57,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:47:57,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:47:57,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:57" (1/1) ...
[2024-12-02 15:47:57,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:57" (1/1) ...
[2024-12-02 15:47:57,358 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:57" (1/1) ...
[2024-12-02 15:47:57,369 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3].
[2024-12-02 15:47:57,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:57" (1/1) ...
[2024-12-02 15:47:57,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:57" (1/1) ...
[2024-12-02 15:47:57,373 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:57" (1/1) ...
[2024-12-02 15:47:57,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:57" (1/1) ...
[2024-12-02 15:47:57,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:57" (1/1) ...
[2024-12-02 15:47:57,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:57" (1/1) ...
[2024-12-02 15:47:57,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:57" (1/1) ...
[2024-12-02 15:47:57,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:47:57,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:47:57,381 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:47:57,381 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:47:57,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:57" (1/1) ...
[2024-12-02 15:47:57,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 15:47:57,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:47:57,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 15:47:57,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:47:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 15:47:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 15:47:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-12-02 15:47:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-02 15:47:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-12-02 15:47:57,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-12-02 15:47:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:47:57,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:47:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-12-02 15:47:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-12-02 15:47:57,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-02 15:47:57,486 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 15:47:57,488 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:47:57,600 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live.
[2024-12-02 15:47:57,601 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 15:47:57,609 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:47:57,609 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 15:47:57,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:57 BoogieIcfgContainer
[2024-12-02 15:47:57,609 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:47:57,611 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 15:47:57,611 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 15:47:57,614 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 15:47:57,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:47:57" (1/3) ...
[2024-12-02 15:47:57,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a324b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:47:57, skipping insertion in model container
[2024-12-02 15:47:57,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:47:57" (2/3) ...
[2024-12-02 15:47:57,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a324b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:47:57, skipping insertion in model container
[2024-12-02 15:47:57,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:57" (3/3) ...
[2024-12-02 15:47:57,616 INFO L128 eAbstractionObserver]: Analyzing ICFG standard_init3_ground-2.i
[2024-12-02 15:47:57,628 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 15:47:57,629 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG standard_init3_ground-2.i that has 1 procedures, 38 locations, 1 initial locations, 4 loop locations, and 8 error locations.
[2024-12-02 15:47:57,670 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 15:47:57,680 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;@19e91976, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 15:47:57,680 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2024-12-02 15:47:57,683 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 37 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:47:57,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-12-02 15:47:57,687 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:47:57,687 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-12-02 15:47:57,687 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 15:47:57,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:47:57,691 INFO L85 PathProgramCache]: Analyzing trace with hash 28696806, now seen corresponding path program 1 times
[2024-12-02 15:47:57,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:47:57,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383642415]
[2024-12-02 15:47:57,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:47:57,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:47:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:47:57,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:47:57,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:47:57,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383642415]
[2024-12-02 15:47:57,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383642415] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:47:57,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:47:57,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:47:57,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990006388]
[2024-12-02 15:47:57,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:47:57,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:47:57,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:47:57,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:47:57,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:47:57,855 INFO L87 Difference]: Start difference. First operand has 38 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 37 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:47:57,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:47:57,944 INFO L93 Difference]: Finished difference Result 81 states and 107 transitions.
[2024-12-02 15:47:57,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:47:57,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2024-12-02 15:47:57,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:47:57,952 INFO L225 Difference]: With dead ends: 81
[2024-12-02 15:47:57,952 INFO L226 Difference]: Without dead ends: 43
[2024-12-02 15:47:57,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:47:57,957 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 7 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:47:57,958 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 43 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:47:57,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2024-12-02 15:47:57,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43.
[2024-12-02 15:47:57,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 42 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:47:57,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions.
[2024-12-02 15:47:57,985 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 5
[2024-12-02 15:47:57,985 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:47:57,986 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions.
[2024-12-02 15:47:57,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:47:57,986 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions.
[2024-12-02 15:47:57,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-12-02 15:47:57,986 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:47:57,986 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1]
[2024-12-02 15:47:57,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 15:47:57,987 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 15:47:57,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:47:57,988 INFO L85 PathProgramCache]: Analyzing trace with hash -2138801440, now seen corresponding path program 1 times
[2024-12-02 15:47:57,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:47:57,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462682132]
[2024-12-02 15:47:57,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:47:57,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:47:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:47:58,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:47:58,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:47:58,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462682132]
[2024-12-02 15:47:58,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462682132] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:47:58,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [13424693]
[2024-12-02 15:47:58,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:47:58,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:47:58,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:47:58,068 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:47:58,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 15:47:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:47:58,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 15:47:58,115 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:47:58,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 15:47:58,155 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 15:47:58,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [13424693] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:47:58,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 15:47:58,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4
[2024-12-02 15:47:58,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666359817]
[2024-12-02 15:47:58,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:47:58,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:47:58,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:47:58,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:47:58,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:47:58,157 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:47:58,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:47:58,241 INFO L93 Difference]: Finished difference Result 43 states and 46 transitions.
[2024-12-02 15:47:58,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:47:58,242 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-12-02 15:47:58,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:47:58,242 INFO L225 Difference]: With dead ends: 43
[2024-12-02 15:47:58,242 INFO L226 Difference]: Without dead ends: 40
[2024-12-02 15:47:58,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:47:58,244 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 13 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:47:58,244 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 33 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:47:58,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states.
[2024-12-02 15:47:58,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40.
[2024-12-02 15:47:58,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 35 states have (on average 1.2285714285714286) internal successors, (43), 39 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:47:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions.
[2024-12-02 15:47:58,250 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 9
[2024-12-02 15:47:58,250 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:47:58,250 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions.
[2024-12-02 15:47:58,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:47:58,250 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions.
[2024-12-02 15:47:58,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-12-02 15:47:58,251 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:47:58,251 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1]
[2024-12-02 15:47:58,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 15:47:58,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:47:58,452 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 15:47:58,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:47:58,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1878335154, now seen corresponding path program 1 times
[2024-12-02 15:47:58,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:47:58,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474340459]
[2024-12-02 15:47:58,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:47:58,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:47:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:47:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 15:47:58,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:47:58,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474340459]
[2024-12-02 15:47:58,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474340459] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:47:58,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:47:58,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 15:47:58,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729663115]
[2024-12-02 15:47:58,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:47:58,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 15:47:58,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:47:58,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:47:58,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:47:58,495 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:47:58,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:47:58,533 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions.
[2024-12-02 15:47:58,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:47:58,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-12-02 15:47:58,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:47:58,533 INFO L225 Difference]: With dead ends: 40
[2024-12-02 15:47:58,534 INFO L226 Difference]: Without dead ends: 37
[2024-12-02 15:47:58,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:47:58,535 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 6 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:47:58,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 26 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:47:58,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2024-12-02 15:47:58,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 28.
[2024-12-02 15:47:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 27 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:47:58,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions.
[2024-12-02 15:47:58,539 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 10
[2024-12-02 15:47:58,539 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:47:58,540 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions.
[2024-12-02 15:47:58,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:47:58,540 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions.
[2024-12-02 15:47:58,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-12-02 15:47:58,540 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:47:58,540 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:47:58,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 15:47:58,541 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 15:47:58,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:47:58,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1765158342, now seen corresponding path program 1 times
[2024-12-02 15:47:58,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:47:58,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148953266]
[2024-12-02 15:47:58,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:47:58,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:47:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:47:58,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 15:47:58,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:47:58,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148953266]
[2024-12-02 15:47:58,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148953266] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:47:58,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322943521]
[2024-12-02 15:47:58,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:47:58,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:47:58,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:47:58,616 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:47:58,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 15:47:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:47:58,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 15:47:58,664 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:47:58,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 15:47:58,682 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:47:58,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-02 15:47:58,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1322943521] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:47:58,712 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 15:47:58,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7
[2024-12-02 15:47:58,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249089885]
[2024-12-02 15:47:58,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:47:58,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 15:47:58,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:47:58,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 15:47:58,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-12-02 15:47:58,713 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:47:58,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:47:58,784 INFO L93 Difference]: Finished difference Result 85 states and 99 transitions.
[2024-12-02 15:47:58,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 15:47:58,785 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 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 25
[2024-12-02 15:47:58,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:47:58,786 INFO L225 Difference]: With dead ends: 85
[2024-12-02 15:47:58,786 INFO L226 Difference]: Without dead ends: 64
[2024-12-02 15:47:58,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-12-02 15:47:58,787 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 42 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 15:47:58,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 46 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 15:47:58,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2024-12-02 15:47:58,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64.
[2024-12-02 15:47:58,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 62 states have (on average 1.0806451612903225) internal successors, (67), 63 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:47:58,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions.
[2024-12-02 15:47:58,795 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 25
[2024-12-02 15:47:58,795 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:47:58,795 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions.
[2024-12-02 15:47:58,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.142857142857143) internal successors, (36), 7 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:47:58,795 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions.
[2024-12-02 15:47:58,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2024-12-02 15:47:58,796 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:47:58,796 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:47:58,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 15:47:58,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:47:58,997 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 15:47:58,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:47:58,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1609473540, now seen corresponding path program 2 times
[2024-12-02 15:47:58,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:47:58,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378915713]
[2024-12-02 15:47:58,998 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 15:47:58,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:47:59,018 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-02 15:47:59,018 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 15:47:59,059 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-12-02 15:47:59,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:47:59,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378915713]
[2024-12-02 15:47:59,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378915713] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:47:59,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:47:59,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:47:59,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607349557]
[2024-12-02 15:47:59,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:47:59,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:47:59,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:47:59,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:47:59,060 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:47:59,060 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 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)
[2024-12-02 15:47:59,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:47:59,089 INFO L93 Difference]: Finished difference Result 72 states and 75 transitions.
[2024-12-02 15:47:59,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:47:59,090 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 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) Word has length 61
[2024-12-02 15:47:59,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:47:59,090 INFO L225 Difference]: With dead ends: 72
[2024-12-02 15:47:59,090 INFO L226 Difference]: Without dead ends: 70
[2024-12-02 15:47:59,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:47:59,091 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 64 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
[2024-12-02 15:47:59,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 64 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:47:59,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states.
[2024-12-02 15:47:59,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70.
[2024-12-02 15:47:59,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 68 states have (on average 1.0735294117647058) internal successors, (73), 69 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:47:59,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 73 transitions.
[2024-12-02 15:47:59,099 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 73 transitions. Word has length 61
[2024-12-02 15:47:59,099 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:47:59,099 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 73 transitions.
[2024-12-02 15:47:59,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 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)
[2024-12-02 15:47:59,100 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 73 transitions.
[2024-12-02 15:47:59,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68
[2024-12-02 15:47:59,101 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:47:59,101 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:47:59,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 15:47:59,101 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 15:47:59,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:47:59,102 INFO L85 PathProgramCache]: Analyzing trace with hash -322374660, now seen corresponding path program 1 times
[2024-12-02 15:47:59,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:47:59,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032801897]
[2024-12-02 15:47:59,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:47:59,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:47:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:47:59,269 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked.
[2024-12-02 15:47:59,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:47:59,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032801897]
[2024-12-02 15:47:59,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032801897] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:47:59,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885867125]
[2024-12-02 15:47:59,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:47:59,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:47:59,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:47:59,272 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:47:59,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 15:47:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:47:59,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-02 15:47:59,357 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:47:59,403 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked.
[2024-12-02 15:47:59,404 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:47:59,483 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked.
[2024-12-02 15:47:59,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885867125] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:47:59,483 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 15:47:59,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13
[2024-12-02 15:47:59,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890489412]
[2024-12-02 15:47:59,483 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:47:59,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-12-02 15:47:59,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:47:59,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-12-02 15:47:59,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2024-12-02 15:47:59,484 INFO L87 Difference]: Start difference. First operand 70 states and 73 transitions. Second operand has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:47:59,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:47:59,694 INFO L93 Difference]: Finished difference Result 193 states and 216 transitions.
[2024-12-02 15:47:59,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-12-02 15:47:59,694 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 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 67
[2024-12-02 15:47:59,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:47:59,695 INFO L225 Difference]: With dead ends: 193
[2024-12-02 15:47:59,695 INFO L226 Difference]: Without dead ends: 142
[2024-12-02 15:47:59,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2024-12-02 15:47:59,697 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 144 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 15:47:59,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 36 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 15:47:59,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states.
[2024-12-02 15:47:59,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142.
[2024-12-02 15:47:59,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 140 states have (on average 1.0357142857142858) internal successors, (145), 141 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:47:59,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 145 transitions.
[2024-12-02 15:47:59,708 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 145 transitions. Word has length 67
[2024-12-02 15:47:59,708 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:47:59,708 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 145 transitions.
[2024-12-02 15:47:59,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.769230769230769) internal successors, (62), 13 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:47:59,709 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 145 transitions.
[2024-12-02 15:47:59,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-12-02 15:47:59,711 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:47:59,711 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:47:59,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 15:47:59,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:47:59,912 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 15:47:59,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:47:59,913 INFO L85 PathProgramCache]: Analyzing trace with hash -443845232, now seen corresponding path program 2 times
[2024-12-02 15:47:59,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:47:59,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471870050]
[2024-12-02 15:47:59,913 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 15:47:59,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:47:59,962 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 15:47:59,962 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 15:48:00,159 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 570 trivial. 0 not checked.
[2024-12-02 15:48:00,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:48:00,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471870050]
[2024-12-02 15:48:00,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471870050] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:48:00,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808172362]
[2024-12-02 15:48:00,159 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 15:48:00,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:48:00,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:48:00,161 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:48:00,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 15:48:00,281 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 15:48:00,281 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-02 15:48:00,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 12 conjuncts are in the unsatisfiable core
[2024-12-02 15:48:00,286 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:48:00,474 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked.
[2024-12-02 15:48:00,474 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:48:00,748 INFO L134 CoverageAnalysis]: Checked inductivity of 575 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked.
[2024-12-02 15:48:00,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1808172362] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:48:00,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 15:48:00,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 13, 13] total 28
[2024-12-02 15:48:00,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383807254]
[2024-12-02 15:48:00,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:48:00,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2024-12-02 15:48:00,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:48:00,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2024-12-02 15:48:00,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=472, Unknown=0, NotChecked=0, Total=756
[2024-12-02 15:48:00,751 INFO L87 Difference]: Start difference. First operand 142 states and 145 transitions. Second operand has 28 states, 28 states have (on average 4.821428571428571) internal successors, (135), 28 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:48:01,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:48:01,194 INFO L93 Difference]: Finished difference Result 384 states and 426 transitions.
[2024-12-02 15:48:01,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2024-12-02 15:48:01,195 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 4.821428571428571) internal successors, (135), 28 states have internal predecessors, (135), 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 139
[2024-12-02 15:48:01,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:48:01,196 INFO L225 Difference]: With dead ends: 384
[2024-12-02 15:48:01,196 INFO L226 Difference]: Without dead ends: 285
[2024-12-02 15:48:01,197 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=284, Invalid=472, Unknown=0, NotChecked=0, Total=756
[2024-12-02 15:48:01,198 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 361 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 15:48:01,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 58 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 421 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 15:48:01,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states.
[2024-12-02 15:48:01,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285.
[2024-12-02 15:48:01,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 284 states have (on average 1.0140845070422535) internal successors, (288), 284 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:48:01,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 288 transitions.
[2024-12-02 15:48:01,225 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 288 transitions. Word has length 139
[2024-12-02 15:48:01,225 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:48:01,226 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 288 transitions.
[2024-12-02 15:48:01,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 4.821428571428571) internal successors, (135), 28 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:48:01,226 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 288 transitions.
[2024-12-02 15:48:01,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285
[2024-12-02 15:48:01,230 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 15:48:01,231 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:48:01,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 15:48:01,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:48:01,431 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] ===
[2024-12-02 15:48:01,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:48:01,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1994556740, now seen corresponding path program 1 times
[2024-12-02 15:48:01,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 15:48:01,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040802864]
[2024-12-02 15:48:01,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:48:01,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:48:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:48:01,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2844 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2839 trivial. 0 not checked.
[2024-12-02 15:48:01,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 15:48:01,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040802864]
[2024-12-02 15:48:01,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040802864] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 15:48:01,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 15:48:01,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 15:48:01,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699035153]
[2024-12-02 15:48:01,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 15:48:01,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 15:48:01,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 15:48:01,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 15:48:01,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:48:01,634 INFO L87 Difference]: Start difference. First operand 285 states and 288 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:48:01,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:48:01,649 INFO L93 Difference]: Finished difference Result 285 states and 288 transitions.
[2024-12-02 15:48:01,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 15:48:01,649 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 284
[2024-12-02 15:48:01,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 15:48:01,651 INFO L225 Difference]: With dead ends: 285
[2024-12-02 15:48:01,651 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 15:48:01,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 15:48:01,652 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 15:48:01,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 15:48:01,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 15:48:01,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 15:48:01,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:48:01,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 15:48:01,653 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 284
[2024-12-02 15:48:01,653 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 15:48:01,654 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 15:48:01,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:48:01,654 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 15:48:01,654 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 15:48:01,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining)
[2024-12-02 15:48:01,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining)
[2024-12-02 15:48:01,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining)
[2024-12-02 15:48:01,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining)
[2024-12-02 15:48:01,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining)
[2024-12-02 15:48:01,656 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining)
[2024-12-02 15:48:01,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining)
[2024-12-02 15:48:01,657 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining)
[2024-12-02 15:48:01,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 15:48:01,659 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1]
[2024-12-02 15:48:01,660 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 15:48:01,720 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 15:48:01,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:48:01 BoogieIcfgContainer
[2024-12-02 15:48:01,730 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 15:48:01,730 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 15:48:01,730 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 15:48:01,731 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 15:48:01,731 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:47:57" (3/4) ...
[2024-12-02 15:48:01,733 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 15:48:01,739 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-12-02 15:48:01,739 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 15:48:01,739 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 15:48:01,739 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 15:48:01,794 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 15:48:01,795 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 15:48:01,795 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 15:48:01,795 INFO L158 Benchmark]: Toolchain (without parser) took 4653.81ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 97.2MB in the end (delta: 20.7MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB.
[2024-12-02 15:48:01,795 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:48:01,796 INFO L158 Benchmark]: CACSL2BoogieTranslator took 179.57ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 106.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 15:48:01,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.56ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:48:01,796 INFO L158 Benchmark]: Boogie Preprocessor took 31.86ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:48:01,797 INFO L158 Benchmark]: RCFGBuilder took 228.61ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 92.9MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 15:48:01,797 INFO L158 Benchmark]: TraceAbstraction took 4119.17ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 101.6MB in the end (delta: -9.3MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB.
[2024-12-02 15:48:01,797 INFO L158 Benchmark]: Witness Printer took 64.35ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 97.2MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 15:48:01,799 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 179.57ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 106.9MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 25.56ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 31.86ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 228.61ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 92.9MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 4119.17ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 101.6MB in the end (delta: -9.3MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB.
* Witness Printer took 64.35ms. Allocated memory is still 142.6MB. Free memory was 101.6MB in the beginning and 97.2MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 24]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 24]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 29]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 29]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 32]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 32]: 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, 38 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 8, TraceHistogramMax: 22, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 574 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 574 mSDsluCounter, 365 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 222 mSDsCounter, 256 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 760 IncrementalHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 256 mSolverCounterUnsat, 143 mSDtfsCounter, 760 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 493 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=285occurred in iteration=7, InterpolantAutomatonStates: 64, 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, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 840 NumberOfCodeBlocks, 792 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1056 ConstructedInterpolants, 0 QuantifiedInterpolants, 1434 SizeOfPredicates, 0 NumberOfNonLiveVariables, 632 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 5 PerfectInterpolantSequences, 4464/4939 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
8 specifications checked. All of them hold
- InvariantResult [Line: 27]: Loop Invariant
Derived loop invariant: ((0 < i) || (i == 0))
- InvariantResult [Line: 22]: Loop Invariant
Derived loop invariant: ((0 < i) || (i == 0))
- InvariantResult [Line: 17]: Loop Invariant
Derived loop invariant: ((0 < i) || (i == 0))
- InvariantResult [Line: 32]: Loop Invariant
Derived loop invariant: ((0 < x) || (x == 0))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 15:48:01,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfed800-19f8-4dbc-9fb2-3a85ade6113c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE