./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_17_good.i --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 56542e2c6eb76c8887d2541223feac6447670efff3cec9c0e3d78d962713e671
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:56:04,422 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:56:04,531 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2024-11-24 01:56:04,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:56:04,542 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:56:04,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:56:04,586 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:56:04,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:56:04,587 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:56:04,587 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 01:56:04,588 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 01:56:04,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 01:56:04,589 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:56:04,589 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 01:56:04,589 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 01:56:04,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:56:04,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 01:56:04,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 01:56:04,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 01:56:04,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 01:56:04,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 01:56:04,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 01:56:04,590 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-24 01:56:04,590 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 01:56:04,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 01:56:04,590 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:56:04,590 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 01:56:04,590 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 01:56:04,590 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:56:04,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:56:04,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:56:04,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:56:04,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:56:04,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:56:04,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:56:04,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:56:04,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:56:04,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:56:04,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 01:56:04,591 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 01:56:04,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 01:56:04,592 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 01:56:04,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 01:56:04,592 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 01:56:04,592 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 01:56:04,592 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 01:56:04,592 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 01:56:04,592 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_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56542e2c6eb76c8887d2541223feac6447670efff3cec9c0e3d78d962713e671
[2024-11-24 01:56:04,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:56:04,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:56:04,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:56:04,981 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 01:56:04,981 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 01:56:04,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_17_good.i
[2024-11-24 01:56:08,377 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/data/2a4f58ad9/aa51d0933f9f483fb85e1b5e7919d88c/FLAG98a2a4f76
[2024-11-24 01:56:08,897 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 01:56:08,900 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_17_good.i
[2024-11-24 01:56:08,943 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/data/2a4f58ad9/aa51d0933f9f483fb85e1b5e7919d88c/FLAG98a2a4f76
[2024-11-24 01:56:08,967 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/data/2a4f58ad9/aa51d0933f9f483fb85e1b5e7919d88c
[2024-11-24 01:56:08,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:56:08,971 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:56:08,973 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:56:08,973 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:56:08,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:56:08,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:56:08" (1/1) ...
[2024-11-24 01:56:08,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e32bcc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:08, skipping insertion in model container
[2024-11-24 01:56:08,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:56:08" (1/1) ...
[2024-11-24 01:56:09,045 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:56:10,396 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:56:10,412 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 01:56:10,602 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:56:10,823 INFO L204 MainTranslator]: Completed translation
[2024-11-24 01:56:10,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:10 WrapperNode
[2024-11-24 01:56:10,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:56:10,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:56:10,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:56:10,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:56:10,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:10" (1/1) ...
[2024-11-24 01:56:10,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:10" (1/1) ...
[2024-11-24 01:56:10,913 INFO L138 Inliner]: procedures = 500, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114
[2024-11-24 01:56:10,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:56:10,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:56:10,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:56:10,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:56:10,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:10" (1/1) ...
[2024-11-24 01:56:10,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:10" (1/1) ...
[2024-11-24 01:56:10,929 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:10" (1/1) ...
[2024-11-24 01:56:10,946 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].
[2024-11-24 01:56:10,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:10" (1/1) ...
[2024-11-24 01:56:10,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:10" (1/1) ...
[2024-11-24 01:56:10,952 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:10" (1/1) ...
[2024-11-24 01:56:10,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:10" (1/1) ...
[2024-11-24 01:56:10,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:10" (1/1) ...
[2024-11-24 01:56:10,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:10" (1/1) ...
[2024-11-24 01:56:10,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:10" (1/1) ...
[2024-11-24 01:56:10,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:56:10,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:56:10,965 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:56:10,965 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:56:10,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:10" (1/1) ...
[2024-11-24 01:56:10,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:56:10,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:56:11,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 01:56:11,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:56:11,046 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine
[2024-11-24 01:56:11,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine
[2024-11-24 01:56:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure printLine
[2024-11-24 01:56:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine
[2024-11-24 01:56:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:56:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:56:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:56:11,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 01:56:11,230 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 01:56:11,232 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:56:11,596 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live.
[2024-11-24 01:56:11,596 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 01:56:11,626 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:56:11,626 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-11-24 01:56:11,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:56:11 BoogieIcfgContainer
[2024-11-24 01:56:11,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:56:11,632 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 01:56:11,632 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 01:56:11,637 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 01:56:11,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:56:08" (1/3) ...
[2024-11-24 01:56:11,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d2e7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:56:11, skipping insertion in model container
[2024-11-24 01:56:11,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:56:10" (2/3) ...
[2024-11-24 01:56:11,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52d2e7af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:56:11, skipping insertion in model container
[2024-11-24 01:56:11,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:56:11" (3/3) ...
[2024-11-24 01:56:11,643 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_17_good.i
[2024-11-24 01:56:11,665 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 01:56:11,668 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_postinc_17_good.i that has 3 procedures, 62 locations, 1 initial locations, 4 loop locations, and 12 error locations.
[2024-11-24 01:56:11,752 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 01:56:11,772 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;@4f2206a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 01:56:11,773 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2024-11-24 01:56:11,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 41 states have (on average 1.5609756097560976) internal successors, (64), 55 states have internal predecessors, (64), 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)
[2024-11-24 01:56:11,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-24 01:56:11,786 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:56:11,787 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:56:11,787 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)] ===
[2024-11-24 01:56:11,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:11,796 INFO L85 PathProgramCache]: Analyzing trace with hash -769716874, now seen corresponding path program 1 times
[2024-11-24 01:56:11,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:11,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483259768]
[2024-11-24 01:56:11,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:11,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:12,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:56:12,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:56:12,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483259768]
[2024-11-24 01:56:12,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483259768] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:56:12,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:56:12,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:56:12,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594730493]
[2024-11-24 01:56:12,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:56:12,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:56:12,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:56:12,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:56:12,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:56:12,382 INFO L87 Difference]: Start difference. First operand has 62 states, 41 states have (on average 1.5609756097560976) internal successors, (64), 55 states have internal predecessors, (64), 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)
[2024-11-24 01:56:12,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:56:12,466 INFO L93 Difference]: Finished difference Result 120 states and 147 transitions.
[2024-11-24 01:56:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 01:56:12,469 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
[2024-11-24 01:56:12,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:56:12,477 INFO L225 Difference]: With dead ends: 120
[2024-11-24 01:56:12,478 INFO L226 Difference]: Without dead ends: 62
[2024-11-24 01:56:12,483 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:56:12,488 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 2 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 199 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
[2024-11-24 01:56:12,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 199 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:56:12,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2024-11-24 01:56:12,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62.
[2024-11-24 01:56:12,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 56 states have internal predecessors, (61), 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)
[2024-11-24 01:56:12,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 73 transitions.
[2024-11-24 01:56:12,541 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 73 transitions. Word has length 13
[2024-11-24 01:56:12,542 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:56:12,543 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 73 transitions.
[2024-11-24 01:56:12,543 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)
[2024-11-24 01:56:12,543 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 73 transitions.
[2024-11-24 01:56:12,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-11-24 01:56:12,547 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:56:12,547 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:56:12,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 01:56:12,548 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)] ===
[2024-11-24 01:56:12,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:12,549 INFO L85 PathProgramCache]: Analyzing trace with hash 91911915, now seen corresponding path program 1 times
[2024-11-24 01:56:12,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:12,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596378109]
[2024-11-24 01:56:12,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:12,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:12,867 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:56:12,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:56:12,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596378109]
[2024-11-24 01:56:12,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596378109] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:56:12,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768598348]
[2024-11-24 01:56:12,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:12,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:56:12,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:56:12,873 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:56:12,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 01:56:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:13,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 01:56:13,058 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:56:13,155 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:56:13,155 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:56:13,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768598348] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:56:13,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:56:13,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-24 01:56:13,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301028425]
[2024-11-24 01:56:13,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:56:13,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:56:13,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:56:13,160 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:56:13,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-24 01:56:13,162 INFO L87 Difference]: Start difference. First operand 62 states and 73 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)
[2024-11-24 01:56:13,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:56:13,224 INFO L93 Difference]: Finished difference Result 105 states and 122 transitions.
[2024-11-24 01:56:13,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 01:56:13,226 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
[2024-11-24 01:56:13,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:56:13,227 INFO L225 Difference]: With dead ends: 105
[2024-11-24 01:56:13,227 INFO L226 Difference]: Without dead ends: 54
[2024-11-24 01:56:13,227 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
[2024-11-24 01:56:13,230 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 1 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 166 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
[2024-11-24 01:56:13,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 166 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:56:13,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2024-11-24 01:56:13,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2024-11-24 01:56:13,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 48 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)
[2024-11-24 01:56:13,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions.
[2024-11-24 01:56:13,244 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 19
[2024-11-24 01:56:13,244 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:56:13,244 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions.
[2024-11-24 01:56:13,244 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)
[2024-11-24 01:56:13,245 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions.
[2024-11-24 01:56:13,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-11-24 01:56:13,245 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:56:13,247 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:56:13,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-24 01:56:13,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2024-11-24 01:56:13,453 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)] ===
[2024-11-24 01:56:13,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:13,455 INFO L85 PathProgramCache]: Analyzing trace with hash 94254512, now seen corresponding path program 1 times
[2024-11-24 01:56:13,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:13,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293304576]
[2024-11-24 01:56:13,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:13,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:13,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:56:13,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:56:13,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293304576]
[2024-11-24 01:56:13,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293304576] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:56:13,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:56:13,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:56:13,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396161459]
[2024-11-24 01:56:13,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:56:13,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:56:13,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:56:13,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:56:13,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:56:13,644 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-24 01:56:13,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:56:13,694 INFO L93 Difference]: Finished difference Result 54 states and 62 transitions.
[2024-11-24 01:56:13,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 01:56:13,695 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19
[2024-11-24 01:56:13,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:56:13,697 INFO L225 Difference]: With dead ends: 54
[2024-11-24 01:56:13,697 INFO L226 Difference]: Without dead ends: 53
[2024-11-24 01:56:13,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:56:13,701 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 12 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:56:13,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 144 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:56:13,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2024-11-24 01:56:13,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53.
[2024-11-24 01:56:13,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 37 states have (on average 1.3783783783783783) 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)
[2024-11-24 01:56:13,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions.
[2024-11-24 01:56:13,720 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 19
[2024-11-24 01:56:13,721 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:56:13,721 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions.
[2024-11-24 01:56:13,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-24 01:56:13,721 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions.
[2024-11-24 01:56:13,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2024-11-24 01:56:13,722 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:56:13,722 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]
[2024-11-24 01:56:13,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 01:56:13,722 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)] ===
[2024-11-24 01:56:13,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:13,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1373077338, now seen corresponding path program 1 times
[2024-11-24 01:56:13,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:13,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572564254]
[2024-11-24 01:56:13,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:13,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:13,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-24 01:56:13,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:56:13,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572564254]
[2024-11-24 01:56:13,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572564254] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:56:13,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:56:13,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 01:56:13,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842309337]
[2024-11-24 01:56:13,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:56:13,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 01:56:13,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:56:13,843 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:56:13,843 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:56:13,844 INFO L87 Difference]: Start difference. First operand 53 states and 61 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)
[2024-11-24 01:56:13,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:56:13,866 INFO L93 Difference]: Finished difference Result 53 states and 61 transitions.
[2024-11-24 01:56:13,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 01:56:13,867 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
[2024-11-24 01:56:13,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:56:13,868 INFO L225 Difference]: With dead ends: 53
[2024-11-24 01:56:13,869 INFO L226 Difference]: Without dead ends: 52
[2024-11-24 01:56:13,869 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
[2024-11-24 01:56:13,871 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 0 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:56:13,872 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:56:13,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2024-11-24 01:56:13,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2024-11-24 01:56:13,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 46 states have internal predecessors, (50), 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)
[2024-11-24 01:56:13,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions.
[2024-11-24 01:56:13,885 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 20
[2024-11-24 01:56:13,885 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:56:13,885 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions.
[2024-11-24 01:56:13,885 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)
[2024-11-24 01:56:13,885 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions.
[2024-11-24 01:56:13,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-11-24 01:56:13,886 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:56:13,886 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]
[2024-11-24 01:56:13,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 01:56:13,890 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)] ===
[2024-11-24 01:56:13,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:13,891 INFO L85 PathProgramCache]: Analyzing trace with hash 386711544, now seen corresponding path program 1 times
[2024-11-24 01:56:13,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:13,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949397586]
[2024-11-24 01:56:13,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:13,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:13,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:13,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-24 01:56:13,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:56:13,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949397586]
[2024-11-24 01:56:13,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949397586] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:56:13,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:56:13,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:56:13,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987195689]
[2024-11-24 01:56:13,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:56:13,992 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-24 01:56:13,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:56:13,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-24 01:56:13,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-24 01:56:13,996 INFO L87 Difference]: Start difference. First operand 52 states and 60 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)
[2024-11-24 01:56:14,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:56:14,033 INFO L93 Difference]: Finished difference Result 83 states and 96 transitions.
[2024-11-24 01:56:14,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-24 01:56:14,034 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
[2024-11-24 01:56:14,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:56:14,035 INFO L225 Difference]: With dead ends: 83
[2024-11-24 01:56:14,035 INFO L226 Difference]: Without dead ends: 60
[2024-11-24 01:56:14,035 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
[2024-11-24 01:56:14,036 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 6 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 112 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
[2024-11-24 01:56:14,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 112 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:56:14,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2024-11-24 01:56:14,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 53.
[2024-11-24 01:56:14,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 38 states have (on average 1.3421052631578947) 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)
[2024-11-24 01:56:14,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 61 transitions.
[2024-11-24 01:56:14,057 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 61 transitions. Word has length 21
[2024-11-24 01:56:14,057 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:56:14,057 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 61 transitions.
[2024-11-24 01:56:14,058 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)
[2024-11-24 01:56:14,058 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 61 transitions.
[2024-11-24 01:56:14,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-11-24 01:56:14,059 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:56:14,059 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]
[2024-11-24 01:56:14,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-24 01:56:14,059 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)] ===
[2024-11-24 01:56:14,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:14,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1769019119, now seen corresponding path program 1 times
[2024-11-24 01:56:14,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:14,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634447386]
[2024-11-24 01:56:14,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:14,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:14,179 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-11-24 01:56:14,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:56:14,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634447386]
[2024-11-24 01:56:14,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634447386] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:56:14,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:56:14,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:56:14,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684526867]
[2024-11-24 01:56:14,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:56:14,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:56:14,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:56:14,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:56:14,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:56:14,182 INFO L87 Difference]: Start difference. First operand 53 states and 61 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)
[2024-11-24 01:56:14,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:56:14,235 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions.
[2024-11-24 01:56:14,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 01:56:14,235 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
[2024-11-24 01:56:14,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:56:14,236 INFO L225 Difference]: With dead ends: 64
[2024-11-24 01:56:14,237 INFO L226 Difference]: Without dead ends: 62
[2024-11-24 01:56:14,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:56:14,238 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 5 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:56:14,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 162 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:56:14,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2024-11-24 01:56:14,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62.
[2024-11-24 01:56:14,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 45 states have (on average 1.3111111111111111) internal successors, (59), 55 states have internal predecessors, (59), 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)
[2024-11-24 01:56:14,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 73 transitions.
[2024-11-24 01:56:14,247 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 73 transitions. Word has length 25
[2024-11-24 01:56:14,247 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:56:14,247 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 73 transitions.
[2024-11-24 01:56:14,247 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)
[2024-11-24 01:56:14,247 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 73 transitions.
[2024-11-24 01:56:14,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2024-11-24 01:56:14,248 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:56:14,249 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]
[2024-11-24 01:56:14,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-24 01:56:14,249 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)] ===
[2024-11-24 01:56:14,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:14,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1497715132, now seen corresponding path program 1 times
[2024-11-24 01:56:14,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:14,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743708392]
[2024-11-24 01:56:14,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:14,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:14,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-11-24 01:56:14,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:56:14,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743708392]
[2024-11-24 01:56:14,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743708392] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:56:14,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:56:14,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:56:14,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353964891]
[2024-11-24 01:56:14,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:56:14,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:56:14,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:56:14,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:56:14,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:56:14,387 INFO L87 Difference]: Start difference. First operand 62 states and 73 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)
[2024-11-24 01:56:14,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:56:14,427 INFO L93 Difference]: Finished difference Result 84 states and 96 transitions.
[2024-11-24 01:56:14,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 01:56:14,428 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
[2024-11-24 01:56:14,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:56:14,430 INFO L225 Difference]: With dead ends: 84
[2024-11-24 01:56:14,430 INFO L226 Difference]: Without dead ends: 66
[2024-11-24 01:56:14,431 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:56:14,431 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 1 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 163 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
[2024-11-24 01:56:14,432 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 163 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:56:14,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2024-11-24 01:56:14,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66.
[2024-11-24 01:56:14,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 59 states have internal predecessors, (63), 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)
[2024-11-24 01:56:14,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 77 transitions.
[2024-11-24 01:56:14,449 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 77 transitions. Word has length 31
[2024-11-24 01:56:14,450 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:56:14,450 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 77 transitions.
[2024-11-24 01:56:14,450 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)
[2024-11-24 01:56:14,450 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions.
[2024-11-24 01:56:14,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2024-11-24 01:56:14,451 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:56:14,451 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]
[2024-11-24 01:56:14,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-24 01:56:14,451 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)] ===
[2024-11-24 01:56:14,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:14,452 INFO L85 PathProgramCache]: Analyzing trace with hash 2024210235, now seen corresponding path program 1 times
[2024-11-24 01:56:14,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:14,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245397488]
[2024-11-24 01:56:14,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:14,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:14,571 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-11-24 01:56:14,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:56:14,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245397488]
[2024-11-24 01:56:14,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245397488] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:56:14,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [994275950]
[2024-11-24 01:56:14,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:14,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:56:14,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:56:14,574 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:56:14,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 01:56:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:14,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 01:56:14,703 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:56:14,759 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-11-24 01:56:14,759 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:56:14,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [994275950] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:56:14,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:56:14,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-24 01:56:14,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895282992]
[2024-11-24 01:56:14,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:56:14,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:56:14,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:56:14,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:56:14,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-24 01:56:14,762 INFO L87 Difference]: Start difference. First operand 66 states and 77 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)
[2024-11-24 01:56:14,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:56:14,802 INFO L93 Difference]: Finished difference Result 98 states and 111 transitions.
[2024-11-24 01:56:14,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 01:56:14,803 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
[2024-11-24 01:56:14,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:56:14,804 INFO L225 Difference]: With dead ends: 98
[2024-11-24 01:56:14,804 INFO L226 Difference]: Without dead ends: 55
[2024-11-24 01:56:14,804 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
[2024-11-24 01:56:14,805 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 4 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 195 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
[2024-11-24 01:56:14,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 195 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:56:14,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states.
[2024-11-24 01:56:14,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55.
[2024-11-24 01:56:14,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 42 states have (on average 1.2380952380952381) 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)
[2024-11-24 01:56:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions.
[2024-11-24 01:56:14,813 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 35
[2024-11-24 01:56:14,813 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:56:14,814 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions.
[2024-11-24 01:56:14,814 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)
[2024-11-24 01:56:14,814 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions.
[2024-11-24 01:56:14,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2024-11-24 01:56:14,815 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:56:14,815 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]
[2024-11-24 01:56:14,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-24 01:56:15,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:56:15,016 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)] ===
[2024-11-24 01:56:15,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:15,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1369952894, now seen corresponding path program 1 times
[2024-11-24 01:56:15,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:15,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964147498]
[2024-11-24 01:56:15,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:15,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-11-24 01:56:15,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:56:15,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964147498]
[2024-11-24 01:56:15,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964147498] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:56:15,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356674679]
[2024-11-24 01:56:15,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:15,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:56:15,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:56:15,121 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:56:15,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-24 01:56:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:15,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 01:56:15,251 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:56:15,286 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-11-24 01:56:15,287 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:56:15,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356674679] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:56:15,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:56:15,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-24 01:56:15,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394271823]
[2024-11-24 01:56:15,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:56:15,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:56:15,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:56:15,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:56:15,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-24 01:56:15,288 INFO L87 Difference]: Start difference. First operand 55 states and 62 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)
[2024-11-24 01:56:15,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:56:15,329 INFO L93 Difference]: Finished difference Result 72 states and 80 transitions.
[2024-11-24 01:56:15,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 01:56:15,330 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
[2024-11-24 01:56:15,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:56:15,331 INFO L225 Difference]: With dead ends: 72
[2024-11-24 01:56:15,331 INFO L226 Difference]: Without dead ends: 50
[2024-11-24 01:56:15,331 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
[2024-11-24 01:56:15,332 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 201 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
[2024-11-24 01:56:15,332 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 201 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:56:15,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2024-11-24 01:56:15,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2024-11-24 01:56:15,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 44 states have internal predecessors, (46), 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)
[2024-11-24 01:56:15,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 56 transitions.
[2024-11-24 01:56:15,346 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 56 transitions. Word has length 35
[2024-11-24 01:56:15,346 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:56:15,347 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 56 transitions.
[2024-11-24 01:56:15,347 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)
[2024-11-24 01:56:15,347 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions.
[2024-11-24 01:56:15,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2024-11-24 01:56:15,348 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:56:15,348 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]
[2024-11-24 01:56:15,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-24 01:56:15,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:56:15,549 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)] ===
[2024-11-24 01:56:15,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:15,549 INFO L85 PathProgramCache]: Analyzing trace with hash -2028127706, now seen corresponding path program 1 times
[2024-11-24 01:56:15,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:15,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384382806]
[2024-11-24 01:56:15,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:15,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:15,642 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-11-24 01:56:15,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:56:15,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384382806]
[2024-11-24 01:56:15,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384382806] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:56:15,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:56:15,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:56:15,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822365333]
[2024-11-24 01:56:15,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:56:15,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:56:15,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:56:15,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:56:15,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:56:15,644 INFO L87 Difference]: Start difference. First operand 50 states and 56 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (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)
[2024-11-24 01:56:15,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:56:15,668 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions.
[2024-11-24 01:56:15,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 01:56:15,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (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
[2024-11-24 01:56:15,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:56:15,669 INFO L225 Difference]: With dead ends: 56
[2024-11-24 01:56:15,669 INFO L226 Difference]: Without dead ends: 54
[2024-11-24 01:56:15,669 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:56:15,670 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 1 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:56:15,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 150 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:56:15,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2024-11-24 01:56:15,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2024-11-24 01:56:15,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 48 states have internal predecessors, (50), 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)
[2024-11-24 01:56:15,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 60 transitions.
[2024-11-24 01:56:15,677 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 60 transitions. Word has length 37
[2024-11-24 01:56:15,677 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:56:15,677 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 60 transitions.
[2024-11-24 01:56:15,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (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)
[2024-11-24 01:56:15,678 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 60 transitions.
[2024-11-24 01:56:15,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2024-11-24 01:56:15,679 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:56:15,679 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, 1]
[2024-11-24 01:56:15,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-24 01:56:15,680 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-24 01:56:15,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:15,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1426775103, now seen corresponding path program 1 times
[2024-11-24 01:56:15,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:15,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685437264]
[2024-11-24 01:56:15,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:15,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-11-24 01:56:15,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:56:15,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685437264]
[2024-11-24 01:56:15,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685437264] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:56:15,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:56:15,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:56:15,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550401559]
[2024-11-24 01:56:15,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:56:15,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:56:15,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:56:15,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:56:15,772 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:56:15,772 INFO L87 Difference]: Start difference. First operand 54 states and 60 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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)
[2024-11-24 01:56:15,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:56:15,800 INFO L93 Difference]: Finished difference Result 60 states and 67 transitions.
[2024-11-24 01:56:15,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 01:56:15,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 44
[2024-11-24 01:56:15,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:56:15,802 INFO L225 Difference]: With dead ends: 60
[2024-11-24 01:56:15,802 INFO L226 Difference]: Without dead ends: 58
[2024-11-24 01:56:15,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:56:15,803 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 151 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
[2024-11-24 01:56:15,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 151 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:56:15,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-11-24 01:56:15,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2024-11-24 01:56:15,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.1521739130434783) internal successors, (53), 51 states have internal predecessors, (53), 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)
[2024-11-24 01:56:15,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 65 transitions.
[2024-11-24 01:56:15,810 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 65 transitions. Word has length 44
[2024-11-24 01:56:15,811 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:56:15,811 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 65 transitions.
[2024-11-24 01:56:15,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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)
[2024-11-24 01:56:15,811 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions.
[2024-11-24 01:56:15,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2024-11-24 01:56:15,812 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:56:15,812 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:56:15,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-24 01:56:15,813 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-24 01:56:15,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:56:15,813 INFO L85 PathProgramCache]: Analyzing trace with hash 546074677, now seen corresponding path program 1 times
[2024-11-24 01:56:15,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:56:15,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954065442]
[2024-11-24 01:56:15,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:15,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:56:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:15,993 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-11-24 01:56:15,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:56:15,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954065442]
[2024-11-24 01:56:15,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954065442] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:56:15,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692685427]
[2024-11-24 01:56:15,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:56:15,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:56:15,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:56:15,997 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:56:16,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-24 01:56:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:56:16,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 01:56:16,136 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:56:16,180 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-11-24 01:56:16,180 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:56:16,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692685427] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:56:16,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:56:16,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-24 01:56:16,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298401955]
[2024-11-24 01:56:16,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:56:16,181 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:56:16,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:56:16,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:56:16,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-24 01:56:16,183 INFO L87 Difference]: Start difference. First operand 58 states and 65 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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)
[2024-11-24 01:56:16,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:56:16,207 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions.
[2024-11-24 01:56:16,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 01:56:16,207 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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 48
[2024-11-24 01:56:16,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:56:16,208 INFO L225 Difference]: With dead ends: 62
[2024-11-24 01:56:16,208 INFO L226 Difference]: Without dead ends: 0
[2024-11-24 01:56:16,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-24 01:56:16,209 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 0 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:56:16,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 182 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:56:16,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-24 01:56:16,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-24 01:56:16,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 01:56:16,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-24 01:56:16,211 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48
[2024-11-24 01:56:16,211 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:56:16,211 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-24 01:56:16,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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)
[2024-11-24 01:56:16,212 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-24 01:56:16,212 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-24 01:56:16,216 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining)
[2024-11-24 01:56:16,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining)
[2024-11-24 01:56:16,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining)
[2024-11-24 01:56:16,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining)
[2024-11-24 01:56:16,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining)
[2024-11-24 01:56:16,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining)
[2024-11-24 01:56:16,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining)
[2024-11-24 01:56:16,220 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining)
[2024-11-24 01:56:16,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining)
[2024-11-24 01:56:16,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining)
[2024-11-24 01:56:16,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining)
[2024-11-24 01:56:16,221 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining)
[2024-11-24 01:56:16,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-24 01:56:16,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:56:16,428 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:56:16,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-24 01:56:16,536 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 01:56:16,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:56:16 BoogieIcfgContainer
[2024-11-24 01:56:16,555 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 01:56:16,557 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 01:56:16,557 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 01:56:16,557 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 01:56:16,558 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:56:11" (3/4) ...
[2024-11-24 01:56:16,560 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-24 01:56:16,566 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2024-11-24 01:56:16,566 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2024-11-24 01:56:16,573 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges
[2024-11-24 01:56:16,573 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-11-24 01:56:16,574 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-24 01:56:16,574 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-24 01:56:16,699 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 01:56:16,699 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 01:56:16,699 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 01:56:16,701 INFO L158 Benchmark]: Toolchain (without parser) took 7728.91ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 62.9MB in the end (delta: 26.4MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB.
[2024-11-24 01:56:16,701 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:56:16,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1853.80ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 79.1MB in the end (delta: 10.0MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB.
[2024-11-24 01:56:16,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.93ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 76.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:56:16,703 INFO L158 Benchmark]: Boogie Preprocessor took 50.05ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 74.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:56:16,703 INFO L158 Benchmark]: RCFGBuilder took 661.92ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 59.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 01:56:16,703 INFO L158 Benchmark]: TraceAbstraction took 4923.59ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 68.9MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:56:16,704 INFO L158 Benchmark]: Witness Printer took 142.16ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 62.9MB in the end (delta: 6.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:56:16,707 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1853.80ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 79.1MB in the end (delta: 10.0MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 85.93ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 76.1MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 50.05ms. Allocated memory is still 117.4MB. Free memory was 76.1MB in the beginning and 74.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 661.92ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 59.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 4923.59ms. Allocated memory is still 117.4MB. Free memory was 59.3MB in the beginning and 68.9MB in the end (delta: -9.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 142.16ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 62.9MB in the end (delta: 6.0MB). 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, 62 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 1938 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1269 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 183 IncrementalHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 669 mSDtfsCounter, 183 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 176 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=7, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 484 NumberOfCodeBlocks, 484 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 468 ConstructedInterpolants, 0 QuantifiedInterpolants, 672 SizeOfPredicates, 0 NumberOfNonLiveVariables, 644 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 108/112 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) && (data == 2)) || (h == 0))
- InvariantResult [Line: 1553]: Loop Invariant
Derived loop invariant: (((1 <= i) && (0 <= (data + 2147483648))) || ((0 <= (data + 2147483648)) && (i == 0)))
- InvariantResult [Line: 1590]: Loop Invariant
Derived loop invariant: ((0 < j) || ((j == 0) && (data == 2)))
- InvariantResult [Line: 1567]: Loop Invariant
Derived loop invariant: (((k == 0) && (0 <= (data + 2147483648))) || ((1 <= k) && (0 <= (data + 2147483648))))
RESULT: Ultimate proved your program to be correct!
[2024-11-24 01:56:16,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efe44e4d-c013-4c7b-aba3-fa1c0a719849/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE