./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_17_good.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/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_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c105c9d8e748706c612711674cfaab3e4cc2091b5f92841d529eb0ac1b2ea348
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-01 23:07:04,552 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-01 23:07:04,606 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-12-01 23:07:04,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-01 23:07:04,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-01 23:07:04,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-01 23:07:04,633 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-01 23:07:04,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-01 23:07:04,633 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-01 23:07:04,633 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-01 23:07:04,633 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-01 23:07:04,633 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-01 23:07:04,634 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-01 23:07:04,634 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-01 23:07:04,634 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-01 23:07:04,634 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-01 23:07:04,634 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-01 23:07:04,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-01 23:07:04,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-01 23:07:04,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-01 23:07:04,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-01 23:07:04,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-01 23:07:04,635 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-12-01 23:07:04,635 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-01 23:07:04,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-01 23:07:04,635 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-01 23:07:04,635 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-01 23:07:04,635 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-01 23:07:04,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-01 23:07:04,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-01 23:07:04,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-01 23:07:04,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:07:04,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-01 23:07:04,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-01 23:07:04,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-01 23:07:04,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-01 23:07:04,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:07:04,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-01 23:07:04,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-01 23:07:04,636 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-01 23:07:04,636 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-01 23:07:04,636 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-01 23:07:04,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-01 23:07:04,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-01 23:07:04,636 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-01 23:07:04,636 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-01 23:07:04,637 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-01 23:07:04,637 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_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c105c9d8e748706c612711674cfaab3e4cc2091b5f92841d529eb0ac1b2ea348
[2024-12-01 23:07:04,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-01 23:07:04,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-01 23:07:04,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-01 23:07:04,885 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-01 23:07:04,885 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-01 23:07:04,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_17_good.i
[2024-12-01 23:07:07,784 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/data/a446d908f/e5ea113e74f14c21b5fec634fe861d62/FLAG8ee6ef3b3
[2024-12-01 23:07:08,130 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-01 23:07:08,131 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_17_good.i
[2024-12-01 23:07:08,155 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/data/a446d908f/e5ea113e74f14c21b5fec634fe861d62/FLAG8ee6ef3b3
[2024-12-01 23:07:08,362 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/data/a446d908f/e5ea113e74f14c21b5fec634fe861d62
[2024-12-01 23:07:08,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-01 23:07:08,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-01 23:07:08,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-01 23:07:08,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-01 23:07:08,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-01 23:07:08,373 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:07:08" (1/1) ...
[2024-12-01 23:07:08,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65963cc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:08, skipping insertion in model container
[2024-12-01 23:07:08,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:07:08" (1/1) ...
[2024-12-01 23:07:08,416 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-01 23:07:09,069 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-01 23:07:09,079 INFO L200 MainTranslator]: Completed pre-run
[2024-12-01 23:07:09,160 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-01 23:07:09,266 INFO L204 MainTranslator]: Completed translation
[2024-12-01 23:07:09,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:09 WrapperNode
[2024-12-01 23:07:09,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-01 23:07:09,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-01 23:07:09,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-01 23:07:09,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-01 23:07:09,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:09" (1/1) ...
[2024-12-01 23:07:09,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:09" (1/1) ...
[2024-12-01 23:07:09,305 INFO L138 Inliner]: procedures = 500, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114
[2024-12-01 23:07:09,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-01 23:07:09,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-01 23:07:09,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-01 23:07:09,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-01 23:07:09,314 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:09" (1/1) ...
[2024-12-01 23:07:09,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:09" (1/1) ...
[2024-12-01 23:07:09,316 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:09" (1/1) ...
[2024-12-01 23:07:09,325 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0].
[2024-12-01 23:07:09,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:09" (1/1) ...
[2024-12-01 23:07:09,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:09" (1/1) ...
[2024-12-01 23:07:09,329 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:09" (1/1) ...
[2024-12-01 23:07:09,329 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:09" (1/1) ...
[2024-12-01 23:07:09,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:09" (1/1) ...
[2024-12-01 23:07:09,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:09" (1/1) ...
[2024-12-01 23:07:09,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:09" (1/1) ...
[2024-12-01 23:07:09,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-01 23:07:09,335 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-01 23:07:09,335 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-01 23:07:09,335 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-01 23:07:09,336 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:09" (1/1) ...
[2024-12-01 23:07:09,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 23:07:09,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:07:09,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-01 23:07:09,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-01 23:07:09,384 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2024-12-01 23:07:09,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-12-01 23:07:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-12-01 23:07:09,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-12-01 23:07:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-01 23:07:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-01 23:07:09,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-01 23:07:09,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-01 23:07:09,510 INFO L234 CfgBuilder]: Building ICFG
[2024-12-01 23:07:09,512 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-01 23:07:09,680 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live.
[2024-12-01 23:07:09,680 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-01 23:07:09,690 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-01 23:07:09,691 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-01 23:07:09,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:07:09 BoogieIcfgContainer
[2024-12-01 23:07:09,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-01 23:07:09,693 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-01 23:07:09,693 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-01 23:07:09,697 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-01 23:07:09,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:07:08" (1/3) ...
[2024-12-01 23:07:09,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0830fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:07:09, skipping insertion in model container
[2024-12-01 23:07:09,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:07:09" (2/3) ...
[2024-12-01 23:07:09,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d0830fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:07:09, skipping insertion in model container
[2024-12-01 23:07:09,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:07:09" (3/3) ...
[2024-12-01 23:07:09,699 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_predec_17_good.i
[2024-12-01 23:07:09,711 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-01 23:07:09,712 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_fgets_predec_17_good.i that has 3 procedures, 61 locations, 1 initial locations, 4 loop locations, and 12 error locations.
[2024-12-01 23:07:09,758 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-01 23:07:09,768 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;@6b2669ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-01 23:07:09,768 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2024-12-01 23:07:09,771 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 40 states have (on average 1.575) internal successors, (63), 54 states have internal predecessors, (63), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-01 23:07:09,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-12-01 23:07:09,777 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:07:09,778 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:07:09,778 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-01 23:07:09,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:07:09,782 INFO L85 PathProgramCache]: Analyzing trace with hash 139730804, now seen corresponding path program 1 times
[2024-12-01 23:07:09,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:07:09,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605754775]
[2024-12-01 23:07:09,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:07:09,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:07:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:07:10,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:07:10,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:07:10,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605754775]
[2024-12-01 23:07:10,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605754775] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:07:10,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:07:10,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:07:10,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356806702]
[2024-12-01 23:07:10,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:07:10,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:07:10,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:07:10,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:07:10,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:07:10,074 INFO L87 Difference]: Start difference. First operand has 61 states, 40 states have (on average 1.575) internal successors, (63), 54 states have internal predecessors, (63), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-01 23:07:10,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:07:10,119 INFO L93 Difference]: Finished difference Result 118 states and 145 transitions.
[2024-12-01 23:07:10,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:07:10,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13
[2024-12-01 23:07:10,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:07:10,126 INFO L225 Difference]: With dead ends: 118
[2024-12-01 23:07:10,126 INFO L226 Difference]: Without dead ends: 61
[2024-12-01 23:07:10,128 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
[2024-12-01 23:07:10,131 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 2 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:07:10,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 194 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:07:10,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2024-12-01 23:07:10,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61.
[2024-12-01 23:07:10,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 55 states have internal predecessors, (60), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-01 23:07:10,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 72 transitions.
[2024-12-01 23:07:10,183 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 72 transitions. Word has length 13
[2024-12-01 23:07:10,185 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:07:10,185 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 72 transitions.
[2024-12-01 23:07:10,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-01 23:07:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions.
[2024-12-01 23:07:10,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-12-01 23:07:10,186 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:07:10,187 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:07:10,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-01 23:07:10,187 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-01 23:07:10,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:07:10,188 INFO L85 PathProgramCache]: Analyzing trace with hash -967994775, now seen corresponding path program 1 times
[2024-12-01 23:07:10,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:07:10,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581700896]
[2024-12-01 23:07:10,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:07:10,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:07:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:07:10,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:07:10,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:07:10,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581700896]
[2024-12-01 23:07:10,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581700896] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:07:10,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215966862]
[2024-12-01 23:07:10,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:07:10,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:07:10,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:07:10,334 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:07:10,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-01 23:07:10,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:07:10,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-01 23:07:10,442 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:07:10,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:07:10,505 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:07:10,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1215966862] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:07:10,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-01 23:07:10,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-12-01 23:07:10,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223435790]
[2024-12-01 23:07:10,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:07:10,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:07:10,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:07:10,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:07:10,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:07:10,508 INFO L87 Difference]: Start difference. First operand 61 states and 72 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-01 23:07:10,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:07:10,547 INFO L93 Difference]: Finished difference Result 103 states and 120 transitions.
[2024-12-01 23:07:10,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-01 23:07:10,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19
[2024-12-01 23:07:10,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:07:10,549 INFO L225 Difference]: With dead ends: 103
[2024-12-01 23:07:10,549 INFO L226 Difference]: Without dead ends: 53
[2024-12-01 23:07:10,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:07:10,550 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 1 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:07:10,551 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 163 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:07:10,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2024-12-01 23:07:10,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53.
[2024-12-01 23:07:10,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 47 states have internal predecessors, (51), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-01 23:07:10,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions.
[2024-12-01 23:07:10,558 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 19
[2024-12-01 23:07:10,558 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:07:10,558 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions.
[2024-12-01 23:07:10,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-01 23:07:10,559 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions.
[2024-12-01 23:07:10,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-12-01 23:07:10,559 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:07:10,559 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:07:10,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-01 23:07:10,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:07:10,760 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-01 23:07:10,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:07:10,761 INFO L85 PathProgramCache]: Analyzing trace with hash -965652178, now seen corresponding path program 1 times
[2024-12-01 23:07:10,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:07:10,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845177525]
[2024-12-01 23:07:10,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:07:10,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:07:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:07:10,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-01 23:07:10,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:07:10,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845177525]
[2024-12-01 23:07:10,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845177525] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:07:10,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:07:10,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 23:07:10,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780840915]
[2024-12-01 23:07:10,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:07:10,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:07:10,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:07:10,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:07:10,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:07:10,807 INFO L87 Difference]: Start difference. First operand 53 states and 61 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-01 23:07:10,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:07:10,841 INFO L93 Difference]: Finished difference Result 100 states and 116 transitions.
[2024-12-01 23:07:10,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:07:10,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19
[2024-12-01 23:07:10,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:07:10,842 INFO L225 Difference]: With dead ends: 100
[2024-12-01 23:07:10,842 INFO L226 Difference]: Without dead ends: 60
[2024-12-01 23:07:10,843 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
[2024-12-01 23:07:10,843 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 11 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:07:10,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 113 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:07:10,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2024-12-01 23:07:10,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59.
[2024-12-01 23:07:10,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 52 states have internal predecessors, (58), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-01 23:07:10,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 68 transitions.
[2024-12-01 23:07:10,851 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 68 transitions. Word has length 19
[2024-12-01 23:07:10,851 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:07:10,851 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 68 transitions.
[2024-12-01 23:07:10,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-01 23:07:10,851 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions.
[2024-12-01 23:07:10,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2024-12-01 23:07:10,852 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:07:10,852 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]
[2024-12-01 23:07:10,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-01 23:07:10,853 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-01 23:07:10,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:07:10,853 INFO L85 PathProgramCache]: Analyzing trace with hash 129553640, now seen corresponding path program 1 times
[2024-12-01 23:07:10,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:07:10,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081755783]
[2024-12-01 23:07:10,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:07:10,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:07:10,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:07:10,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 23:07:10,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:07:10,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081755783]
[2024-12-01 23:07:10,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081755783] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:07:10,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:07:10,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 23:07:10,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16022671]
[2024-12-01 23:07:10,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:07:10,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:07:10,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:07:10,912 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:07:10,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:07:10,912 INFO L87 Difference]: Start difference. First operand 59 states and 68 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-01 23:07:10,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:07:10,932 INFO L93 Difference]: Finished difference Result 59 states and 68 transitions.
[2024-12-01 23:07:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:07:10,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20
[2024-12-01 23:07:10,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:07:10,934 INFO L225 Difference]: With dead ends: 59
[2024-12-01 23:07:10,934 INFO L226 Difference]: Without dead ends: 58
[2024-12-01 23:07:10,934 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
[2024-12-01 23:07:10,935 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 11 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:07:10,935 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 88 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:07:10,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-12-01 23:07:10,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2024-12-01 23:07:10,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 51 states have internal predecessors, (57), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-01 23:07:10,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions.
[2024-12-01 23:07:10,942 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 20
[2024-12-01 23:07:10,943 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:07:10,943 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions.
[2024-12-01 23:07:10,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-01 23:07:10,943 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions.
[2024-12-01 23:07:10,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-12-01 23:07:10,944 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:07:10,944 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]
[2024-12-01 23:07:10,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-01 23:07:10,944 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-01 23:07:10,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:07:10,945 INFO L85 PathProgramCache]: Analyzing trace with hash -276368394, now seen corresponding path program 1 times
[2024-12-01 23:07:10,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:07:10,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645810617]
[2024-12-01 23:07:10,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:07:10,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:07:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:07:11,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-01 23:07:11,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:07:11,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645810617]
[2024-12-01 23:07:11,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645810617] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:07:11,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:07:11,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:07:11,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031036234]
[2024-12-01 23:07:11,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:07:11,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:07:11,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:07:11,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:07:11,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:07:11,002 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-01 23:07:11,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:07:11,024 INFO L93 Difference]: Finished difference Result 88 states and 102 transitions.
[2024-12-01 23:07:11,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:07:11,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21
[2024-12-01 23:07:11,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:07:11,026 INFO L225 Difference]: With dead ends: 88
[2024-12-01 23:07:11,026 INFO L226 Difference]: Without dead ends: 66
[2024-12-01 23:07:11,026 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:07:11,027 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 6 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:07:11,027 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 109 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:07:11,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2024-12-01 23:07:11,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 59.
[2024-12-01 23:07:11,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 52 states have internal predecessors, (57), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-01 23:07:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 67 transitions.
[2024-12-01 23:07:11,035 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 67 transitions. Word has length 21
[2024-12-01 23:07:11,036 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:07:11,036 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 67 transitions.
[2024-12-01 23:07:11,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-01 23:07:11,036 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions.
[2024-12-01 23:07:11,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-12-01 23:07:11,037 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:07:11,037 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:07:11,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-01 23:07:11,037 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-01 23:07:11,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:07:11,038 INFO L85 PathProgramCache]: Analyzing trace with hash 481221867, now seen corresponding path program 1 times
[2024-12-01 23:07:11,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:07:11,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93936443]
[2024-12-01 23:07:11,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:07:11,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:07:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:07:11,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-01 23:07:11,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:07:11,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93936443]
[2024-12-01 23:07:11,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93936443] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:07:11,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:07:11,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:07:11,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349716421]
[2024-12-01 23:07:11,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:07:11,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:07:11,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:07:11,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:07:11,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:07:11,112 INFO L87 Difference]: Start difference. First operand 59 states and 67 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-01 23:07:11,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:07:11,146 INFO L93 Difference]: Finished difference Result 70 states and 81 transitions.
[2024-12-01 23:07:11,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:07:11,147 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25
[2024-12-01 23:07:11,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:07:11,148 INFO L225 Difference]: With dead ends: 70
[2024-12-01 23:07:11,148 INFO L226 Difference]: Without dead ends: 68
[2024-12-01 23:07:11,148 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
[2024-12-01 23:07:11,149 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 5 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 157 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
[2024-12-01 23:07:11,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 157 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:07:11,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2024-12-01 23:07:11,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68.
[2024-12-01 23:07:11,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 60 states have internal predecessors, (65), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-12-01 23:07:11,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 79 transitions.
[2024-12-01 23:07:11,158 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 79 transitions. Word has length 25
[2024-12-01 23:07:11,158 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:07:11,158 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 79 transitions.
[2024-12-01 23:07:11,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-01 23:07:11,158 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions.
[2024-12-01 23:07:11,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2024-12-01 23:07:11,159 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:07:11,159 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:07:11,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-01 23:07:11,160 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-01 23:07:11,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:07:11,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1987249984, now seen corresponding path program 1 times
[2024-12-01 23:07:11,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:07:11,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315436024]
[2024-12-01 23:07:11,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:07:11,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:07:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:07:11,236 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-01 23:07:11,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:07:11,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315436024]
[2024-12-01 23:07:11,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315436024] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:07:11,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:07:11,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:07:11,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470245031]
[2024-12-01 23:07:11,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:07:11,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:07:11,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:07:11,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:07:11,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:07:11,238 INFO L87 Difference]: Start difference. First operand 68 states and 79 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-01 23:07:11,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:07:11,263 INFO L93 Difference]: Finished difference Result 89 states and 101 transitions.
[2024-12-01 23:07:11,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:07:11,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31
[2024-12-01 23:07:11,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:07:11,265 INFO L225 Difference]: With dead ends: 89
[2024-12-01 23:07:11,265 INFO L226 Difference]: Without dead ends: 72
[2024-12-01 23:07:11,265 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
[2024-12-01 23:07:11,266 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 1 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:07:11,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 160 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:07:11,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2024-12-01 23:07:11,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2024-12-01 23:07:11,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 55 states have (on average 1.2545454545454546) internal successors, (69), 64 states have internal predecessors, (69), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-12-01 23:07:11,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 83 transitions.
[2024-12-01 23:07:11,276 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 83 transitions. Word has length 31
[2024-12-01 23:07:11,277 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:07:11,277 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 83 transitions.
[2024-12-01 23:07:11,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-01 23:07:11,277 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions.
[2024-12-01 23:07:11,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2024-12-01 23:07:11,278 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:07:11,278 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:07:11,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-01 23:07:11,279 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-01 23:07:11,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:07:11,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1567374133, now seen corresponding path program 1 times
[2024-12-01 23:07:11,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:07:11,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697180698]
[2024-12-01 23:07:11,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:07:11,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:07:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:07:11,358 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-12-01 23:07:11,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:07:11,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697180698]
[2024-12-01 23:07:11,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697180698] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:07:11,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616654440]
[2024-12-01 23:07:11,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:07:11,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:07:11,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:07:11,360 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:07:11,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-01 23:07:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:07:11,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-01 23:07:11,461 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:07:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-01 23:07:11,502 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:07:11,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616654440] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:07:11,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-01 23:07:11,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-12-01 23:07:11,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514094807]
[2024-12-01 23:07:11,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:07:11,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:07:11,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:07:11,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:07:11,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:07:11,503 INFO L87 Difference]: Start difference. First operand 72 states and 83 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-01 23:07:11,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:07:11,537 INFO L93 Difference]: Finished difference Result 103 states and 116 transitions.
[2024-12-01 23:07:11,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-01 23:07:11,538 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 35
[2024-12-01 23:07:11,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:07:11,539 INFO L225 Difference]: With dead ends: 103
[2024-12-01 23:07:11,539 INFO L226 Difference]: Without dead ends: 61
[2024-12-01 23:07:11,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:07:11,540 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 4 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:07:11,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 191 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:07:11,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2024-12-01 23:07:11,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61.
[2024-12-01 23:07:11,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 48 states have (on average 1.2083333333333333) internal successors, (58), 54 states have internal predecessors, (58), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-01 23:07:11,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 68 transitions.
[2024-12-01 23:07:11,549 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 68 transitions. Word has length 35
[2024-12-01 23:07:11,549 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:07:11,549 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 68 transitions.
[2024-12-01 23:07:11,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-01 23:07:11,549 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions.
[2024-12-01 23:07:11,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2024-12-01 23:07:11,550 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:07:11,550 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:07:11,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-01 23:07:11,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:07:11,751 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-01 23:07:11,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:07:11,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1800621434, now seen corresponding path program 1 times
[2024-12-01 23:07:11,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:07:11,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709374450]
[2024-12-01 23:07:11,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:07:11,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:07:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:07:11,830 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-01 23:07:11,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:07:11,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709374450]
[2024-12-01 23:07:11,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709374450] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:07:11,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632653326]
[2024-12-01 23:07:11,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:07:11,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:07:11,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:07:11,832 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:07:11,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-01 23:07:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:07:11,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-12-01 23:07:11,927 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:07:11,957 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-01 23:07:11,957 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-01 23:07:11,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632653326] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:07:11,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-01 23:07:11,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-12-01 23:07:11,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298897055]
[2024-12-01 23:07:11,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:07:11,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-01 23:07:11,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:07:11,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-01 23:07:11,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:07:11,959 INFO L87 Difference]: Start difference. First operand 61 states and 68 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-01 23:07:11,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:07:11,978 INFO L93 Difference]: Finished difference Result 77 states and 85 transitions.
[2024-12-01 23:07:11,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-01 23:07:11,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35
[2024-12-01 23:07:11,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:07:11,980 INFO L225 Difference]: With dead ends: 77
[2024-12-01 23:07:11,980 INFO L226 Difference]: Without dead ends: 56
[2024-12-01 23:07:11,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-01 23:07:11,981 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:07:11,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 197 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:07:11,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2024-12-01 23:07:11,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2024-12-01 23:07:11,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 45 states have (on average 1.1555555555555554) internal successors, (52), 49 states have internal predecessors, (52), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-01 23:07:11,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions.
[2024-12-01 23:07:11,987 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 35
[2024-12-01 23:07:11,987 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:07:11,987 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions.
[2024-12-01 23:07:11,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-01 23:07:11,987 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions.
[2024-12-01 23:07:11,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2024-12-01 23:07:11,988 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:07:11,988 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:07:11,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-12-01 23:07:12,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:07:12,190 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-01 23:07:12,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:07:12,191 INFO L85 PathProgramCache]: Analyzing trace with hash -15242622, now seen corresponding path program 1 times
[2024-12-01 23:07:12,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:07:12,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144607304]
[2024-12-01 23:07:12,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:07:12,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:07:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:07:12,246 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-01 23:07:12,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:07:12,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144607304]
[2024-12-01 23:07:12,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144607304] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:07:12,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:07:12,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 23:07:12,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373454752]
[2024-12-01 23:07:12,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:07:12,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:07:12,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:07:12,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:07:12,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:07:12,247 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-01 23:07:12,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:07:12,262 INFO L93 Difference]: Finished difference Result 60 states and 67 transitions.
[2024-12-01 23:07:12,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:07:12,262 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36
[2024-12-01 23:07:12,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:07:12,263 INFO L225 Difference]: With dead ends: 60
[2024-12-01 23:07:12,263 INFO L226 Difference]: Without dead ends: 59
[2024-12-01 23:07:12,263 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
[2024-12-01 23:07:12,264 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 2 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:07:12,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 96 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:07:12,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2024-12-01 23:07:12,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58.
[2024-12-01 23:07:12,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 47 states have (on average 1.148936170212766) internal successors, (54), 51 states have internal predecessors, (54), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-01 23:07:12,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 64 transitions.
[2024-12-01 23:07:12,270 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 64 transitions. Word has length 36
[2024-12-01 23:07:12,270 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:07:12,270 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 64 transitions.
[2024-12-01 23:07:12,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-01 23:07:12,270 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 64 transitions.
[2024-12-01 23:07:12,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2024-12-01 23:07:12,271 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:07:12,271 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:07:12,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-01 23:07:12,272 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-01 23:07:12,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:07:12,272 INFO L85 PathProgramCache]: Analyzing trace with hash -472521150, now seen corresponding path program 1 times
[2024-12-01 23:07:12,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:07:12,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602500724]
[2024-12-01 23:07:12,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:07:12,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:07:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:07:12,320 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-01 23:07:12,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:07:12,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602500724]
[2024-12-01 23:07:12,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602500724] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:07:12,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:07:12,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 23:07:12,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690690323]
[2024-12-01 23:07:12,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:07:12,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 23:07:12,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:07:12,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 23:07:12,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 23:07:12,322 INFO L87 Difference]: Start difference. First operand 58 states and 64 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-01 23:07:12,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:07:12,332 INFO L93 Difference]: Finished difference Result 58 states and 64 transitions.
[2024-12-01 23:07:12,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 23:07:12,333 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37
[2024-12-01 23:07:12,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:07:12,333 INFO L225 Difference]: With dead ends: 58
[2024-12-01 23:07:12,333 INFO L226 Difference]: Without dead ends: 57
[2024-12-01 23:07:12,334 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
[2024-12-01 23:07:12,334 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 5 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:07:12,334 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 89 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:07:12,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2024-12-01 23:07:12,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57.
[2024-12-01 23:07:12,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 47 states have (on average 1.127659574468085) internal successors, (53), 50 states have internal predecessors, (53), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-01 23:07:12,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions.
[2024-12-01 23:07:12,340 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 37
[2024-12-01 23:07:12,340 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:07:12,340 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions.
[2024-12-01 23:07:12,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-01 23:07:12,340 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions.
[2024-12-01 23:07:12,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2024-12-01 23:07:12,341 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:07:12,341 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:07:12,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-01 23:07:12,342 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-01 23:07:12,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:07:12,342 INFO L85 PathProgramCache]: Analyzing trace with hash 2088107044, now seen corresponding path program 1 times
[2024-12-01 23:07:12,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:07:12,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691478437]
[2024-12-01 23:07:12,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:07:12,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:07:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:07:12,415 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-01 23:07:12,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:07:12,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691478437]
[2024-12-01 23:07:12,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691478437] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 23:07:12,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 23:07:12,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 23:07:12,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850594743]
[2024-12-01 23:07:12,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 23:07:12,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 23:07:12,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:07:12,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 23:07:12,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-01 23:07:12,417 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-01 23:07:12,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:07:12,441 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions.
[2024-12-01 23:07:12,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 23:07:12,441 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43
[2024-12-01 23:07:12,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:07:12,442 INFO L225 Difference]: With dead ends: 64
[2024-12-01 23:07:12,442 INFO L226 Difference]: Without dead ends: 62
[2024-12-01 23:07:12,442 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
[2024-12-01 23:07:12,443 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 1 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:07:12,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 145 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:07:12,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2024-12-01 23:07:12,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62.
[2024-12-01 23:07:12,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 51 states have (on average 1.1176470588235294) internal successors, (57), 54 states have internal predecessors, (57), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-12-01 23:07:12,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions.
[2024-12-01 23:07:12,450 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 69 transitions. Word has length 43
[2024-12-01 23:07:12,450 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:07:12,450 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 69 transitions.
[2024-12-01 23:07:12,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-01 23:07:12,450 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions.
[2024-12-01 23:07:12,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2024-12-01 23:07:12,451 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 23:07:12,451 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:07:12,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-01 23:07:12,451 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-12-01 23:07:12,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 23:07:12,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1509230837, now seen corresponding path program 1 times
[2024-12-01 23:07:12,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 23:07:12,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641400483]
[2024-12-01 23:07:12,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:07:12,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 23:07:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:07:12,539 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-01 23:07:12,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 23:07:12,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641400483]
[2024-12-01 23:07:12,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641400483] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 23:07:12,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378782335]
[2024-12-01 23:07:12,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 23:07:12,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 23:07:12,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 23:07:12,542 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 23:07:12,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-01 23:07:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 23:07:12,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-01 23:07:12,648 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 23:07:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-01 23:07:12,702 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 23:07:12,774 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-01 23:07:12,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378782335] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-01 23:07:12,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-01 23:07:12,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 3, 3] total 9
[2024-12-01 23:07:12,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477668539]
[2024-12-01 23:07:12,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-01 23:07:12,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-01 23:07:12,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 23:07:12,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-01 23:07:12,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2024-12-01 23:07:12,776 INFO L87 Difference]: Start difference. First operand 62 states and 69 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5)
[2024-12-01 23:07:12,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 23:07:12,836 INFO L93 Difference]: Finished difference Result 66 states and 72 transitions.
[2024-12-01 23:07:12,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-01 23:07:12,837 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 46
[2024-12-01 23:07:12,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 23:07:12,837 INFO L225 Difference]: With dead ends: 66
[2024-12-01 23:07:12,837 INFO L226 Difference]: Without dead ends: 0
[2024-12-01 23:07:12,838 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156
[2024-12-01 23:07:12,838 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 1 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-01 23:07:12,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 284 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-01 23:07:12,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-01 23:07:12,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-01 23:07:12,839 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)
[2024-12-01 23:07:12,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-01 23:07:12,839 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 46
[2024-12-01 23:07:12,840 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 23:07:12,840 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-01 23:07:12,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5)
[2024-12-01 23:07:12,840 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-01 23:07:12,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-01 23:07:12,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining)
[2024-12-01 23:07:12,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining)
[2024-12-01 23:07:12,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining)
[2024-12-01 23:07:12,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining)
[2024-12-01 23:07:12,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining)
[2024-12-01 23:07:12,843 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining)
[2024-12-01 23:07:12,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining)
[2024-12-01 23:07:12,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining)
[2024-12-01 23:07:12,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining)
[2024-12-01 23:07:12,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining)
[2024-12-01 23:07:12,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining)
[2024-12-01 23:07:12,844 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining)
[2024-12-01 23:07:12,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-12-01 23:07:13,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2024-12-01 23:07:13,048 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 23:07:13,050 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-01 23:07:13,163 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-01 23:07:13,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:07:13 BoogieIcfgContainer
[2024-12-01 23:07:13,177 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-01 23:07:13,178 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-01 23:07:13,178 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-01 23:07:13,178 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-01 23:07:13,179 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:07:09" (3/4) ...
[2024-12-01 23:07:13,181 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-01 23:07:13,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2024-12-01 23:07:13,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2024-12-01 23:07:13,191 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges
[2024-12-01 23:07:13,191 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-12-01 23:07:13,191 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-01 23:07:13,191 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-01 23:07:13,271 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-01 23:07:13,271 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-01 23:07:13,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-01 23:07:13,272 INFO L158 Benchmark]: Toolchain (without parser) took 4906.37ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 89.1MB in the beginning and 56.2MB in the end (delta: 32.9MB). Peak memory consumption was 100.7MB. Max. memory is 16.1GB.
[2024-12-01 23:07:13,272 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 71.3MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 23:07:13,272 INFO L158 Benchmark]: CACSL2BoogieTranslator took 899.87ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 79.7MB in the end (delta: 9.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB.
[2024-12-01 23:07:13,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.93ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 23:07:13,273 INFO L158 Benchmark]: Boogie Preprocessor took 28.88ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 74.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 23:07:13,273 INFO L158 Benchmark]: RCFGBuilder took 355.96ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 59.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-01 23:07:13,274 INFO L158 Benchmark]: TraceAbstraction took 3484.36ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 59.3MB in the beginning and 62.9MB in the end (delta: -3.6MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB.
[2024-12-01 23:07:13,274 INFO L158 Benchmark]: Witness Printer took 93.39ms. Allocated memory is still 184.5MB. Free memory was 62.9MB in the beginning and 56.2MB in the end (delta: 6.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 23:07:13,276 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 71.3MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 899.87ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 79.7MB in the end (delta: 9.2MB). Peak memory consumption was 66.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 37.93ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 76.7MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 28.88ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 74.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 355.96ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 59.8MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 3484.36ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 59.3MB in the beginning and 62.9MB in the end (delta: -3.6MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB.
* Witness Printer took 93.39ms. Allocated memory is still 184.5MB. Free memory was 62.9MB in the beginning and 56.2MB in the end (delta: 6.7MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 1553]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1553]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1571]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1571]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1567]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1567]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1586]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1586]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1593]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1593]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1590]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 1590]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 3 procedures, 61 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 1986 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1276 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 190 IncrementalHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 710 mSDtfsCounter, 190 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 223 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=72occurred in iteration=7, InterpolantAutomatonStates: 53, 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, 13 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 515 NumberOfCodeBlocks, 515 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 543 ConstructedInterpolants, 0 QuantifiedInterpolants, 853 SizeOfPredicates, 0 NumberOfNonLiveVariables, 640 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 118/126 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
12 specifications checked. All of them hold
- InvariantResult [Line: 1586]: Loop Invariant
Derived loop invariant: (((1 <= h) && (((long) data + 2) == 0)) || ((h == 0) && (0 <= ((long) data + 2))))
- InvariantResult [Line: 1553]: Loop Invariant
Derived loop invariant: ((((0 <= ((long) 2147483647 + data)) && (i == 0)) && (data <= 2147483647)) || ((1 <= i) && (data <= 2147483647)))
- InvariantResult [Line: 1590]: Loop Invariant
Derived loop invariant: (((j == 0) && (((long) data + 2) == 0)) || (((0 <= ((long) data + 3)) && (1 <= j)) && (((long) data + 2) <= 0)))
- InvariantResult [Line: 1567]: Loop Invariant
Derived loop invariant: (((1 <= k) && (data <= 2147483647)) || ((k == 0) && (data <= 2147483647)))
RESULT: Ultimate proved your program to be correct!
[2024-12-01 23:07:13,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd045d51-3ab3-441b-9caa-0bb8c648a7cf/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