./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 96058a095f9d265f7ac6ab6bbcbacfbf0dd6452c382f47776ac7601de251f0e4
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:09:03,521 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:09:03,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-08 17:09:03,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:09:03,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:09:03,622 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:09:03,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:09:03,624 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:09:03,625 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:09:03,626 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:09:03,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:09:03,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:09:03,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:09:03,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:09:03,630 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:09:03,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:09:03,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:09:03,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:09:03,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:09:03,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:09:03,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:09:03,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:09:03,635 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:09:03,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:09:03,635 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:09:03,636 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:09:03,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:09:03,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:09:03,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:09:03,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:09:03,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:09:03,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:09:03,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:09:03,650 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 17:09:03,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 17:09:03,651 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:09:03,651 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:09:03,651 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:09:03,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:09:03,652 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96058a095f9d265f7ac6ab6bbcbacfbf0dd6452c382f47776ac7601de251f0e4
[2024-11-08 17:09:03,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:09:04,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:09:04,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:09:04,008 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:09:04,008 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:09:04,010 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c
Unable to find full path for "g++"
[2024-11-08 17:09:06,038 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:09:06,410 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:09:06,412 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c
[2024-11-08 17:09:06,432 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/data/a637208f6/7e11409ee5b3499eb5f9a99f815129fd/FLAG8669ee42d
[2024-11-08 17:09:06,621 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/data/a637208f6/7e11409ee5b3499eb5f9a99f815129fd
[2024-11-08 17:09:06,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:09:06,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:09:06,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:09:06,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:09:06,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:09:06,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:09:06" (1/1) ...
[2024-11-08 17:09:06,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d85d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:06, skipping insertion in model container
[2024-11-08 17:09:06,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:09:06" (1/1) ...
[2024-11-08 17:09:06,759 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:09:07,022 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c[1258,1271]
[2024-11-08 17:09:07,590 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:09:07,605 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:09:07,619 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c[1258,1271]
[2024-11-08 17:09:07,865 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:09:07,885 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:09:07,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:07 WrapperNode
[2024-11-08 17:09:07,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:09:07,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:09:07,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:09:07,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:09:07,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:07" (1/1) ...
[2024-11-08 17:09:08,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:07" (1/1) ...
[2024-11-08 17:09:08,422 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3297
[2024-11-08 17:09:08,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:09:08,424 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:09:08,424 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:09:08,424 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:09:08,437 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:07" (1/1) ...
[2024-11-08 17:09:08,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:07" (1/1) ...
[2024-11-08 17:09:08,503 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:07" (1/1) ...
[2024-11-08 17:09:08,621 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 17:09:08,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:07" (1/1) ...
[2024-11-08 17:09:08,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:07" (1/1) ...
[2024-11-08 17:09:08,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:07" (1/1) ...
[2024-11-08 17:09:08,797 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:07" (1/1) ...
[2024-11-08 17:09:08,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:07" (1/1) ...
[2024-11-08 17:09:08,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:07" (1/1) ...
[2024-11-08 17:09:08,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:09:08,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:09:08,880 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:09:08,880 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:09:08,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:07" (1/1) ...
[2024-11-08 17:09:08,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:09:08,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:09:08,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:09:08,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:09:08,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:09:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 17:09:08,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:09:08,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:09:09,407 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:09:09,410 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:09:13,004 INFO L? ?]: Removed 2294 outVars from TransFormulas that were not future-live.
[2024-11-08 17:09:13,005 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:09:13,053 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:09:13,053 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 17:09:13,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:09:13 BoogieIcfgContainer
[2024-11-08 17:09:13,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:09:13,060 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:09:13,064 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:09:13,067 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:09:13,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:09:06" (1/3) ...
[2024-11-08 17:09:13,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12dbdae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:09:13, skipping insertion in model container
[2024-11-08 17:09:13,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:07" (2/3) ...
[2024-11-08 17:09:13,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12dbdae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:09:13, skipping insertion in model container
[2024-11-08 17:09:13,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:09:13" (3/3) ...
[2024-11-08 17:09:13,070 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_buf_bug.c
[2024-11-08 17:09:13,091 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:09:13,091 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 17:09:13,204 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:09:13,211 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;@320b2f16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:09:13,212 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 17:09:13,218 INFO L276 IsEmpty]: Start isEmpty. Operand has 703 states, 701 states have (on average 1.4992867332382311) internal successors, (1051), 702 states have internal predecessors, (1051), 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)
[2024-11-08 17:09:13,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2024-11-08 17:09:13,227 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:09:13,228 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:09:13,229 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:09:13,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:09:13,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1566338851, now seen corresponding path program 1 times
[2024-11-08 17:09:13,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:09:13,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296552617]
[2024-11-08 17:09:13,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:09:13,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:09:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:09:14,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:09:14,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:09:14,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296552617]
[2024-11-08 17:09:14,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296552617] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:09:14,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:09:14,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:09:14,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931627897]
[2024-11-08 17:09:14,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:09:14,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:09:14,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:09:14,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:09:14,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:14,110 INFO L87 Difference]: Start difference. First operand has 703 states, 701 states have (on average 1.4992867332382311) internal successors, (1051), 702 states have internal predecessors, (1051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:09:14,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:09:14,280 INFO L93 Difference]: Finished difference Result 1330 states and 1992 transitions.
[2024-11-08 17:09:14,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:09:14,290 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47
[2024-11-08 17:09:14,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:09:14,317 INFO L225 Difference]: With dead ends: 1330
[2024-11-08 17:09:14,317 INFO L226 Difference]: Without dead ends: 701
[2024-11-08 17:09:14,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:14,332 INFO L432 NwaCegarLoop]: 1043 mSDtfsCounter, 0 mSDsluCounter, 2080 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:09:14,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3123 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:09:14,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states.
[2024-11-08 17:09:14,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 701.
[2024-11-08 17:09:14,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 700 states have (on average 1.4957142857142858) internal successors, (1047), 700 states have internal predecessors, (1047), 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)
[2024-11-08 17:09:14,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1047 transitions.
[2024-11-08 17:09:14,454 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1047 transitions. Word has length 47
[2024-11-08 17:09:14,457 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:09:14,458 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 1047 transitions.
[2024-11-08 17:09:14,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:09:14,458 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1047 transitions.
[2024-11-08 17:09:14,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2024-11-08 17:09:14,460 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:09:14,460 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:09:14,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 17:09:14,461 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:09:14,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:09:14,462 INFO L85 PathProgramCache]: Analyzing trace with hash -1310168695, now seen corresponding path program 1 times
[2024-11-08 17:09:14,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:09:14,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705373624]
[2024-11-08 17:09:14,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:09:14,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:09:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:09:14,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:09:14,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:09:14,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705373624]
[2024-11-08 17:09:14,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705373624] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:09:14,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:09:14,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:09:14,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879601932]
[2024-11-08 17:09:14,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:09:14,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:09:14,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:09:14,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:09:14,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:14,753 INFO L87 Difference]: Start difference. First operand 701 states and 1047 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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)
[2024-11-08 17:09:14,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:09:14,844 INFO L93 Difference]: Finished difference Result 1330 states and 1987 transitions.
[2024-11-08 17:09:14,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:09:14,845 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48
[2024-11-08 17:09:14,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:09:14,849 INFO L225 Difference]: With dead ends: 1330
[2024-11-08 17:09:14,850 INFO L226 Difference]: Without dead ends: 703
[2024-11-08 17:09:14,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:14,852 INFO L432 NwaCegarLoop]: 1043 mSDtfsCounter, 0 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3119 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:09:14,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3119 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:09:14,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states.
[2024-11-08 17:09:14,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 703.
[2024-11-08 17:09:14,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 702 states have (on average 1.4943019943019944) internal successors, (1049), 702 states have internal predecessors, (1049), 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)
[2024-11-08 17:09:14,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1049 transitions.
[2024-11-08 17:09:14,888 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1049 transitions. Word has length 48
[2024-11-08 17:09:14,889 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:09:14,889 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 1049 transitions.
[2024-11-08 17:09:14,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 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)
[2024-11-08 17:09:14,889 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1049 transitions.
[2024-11-08 17:09:14,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2024-11-08 17:09:14,894 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:09:14,895 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:09:14,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 17:09:14,895 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:09:14,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:09:14,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1236477750, now seen corresponding path program 1 times
[2024-11-08 17:09:14,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:09:14,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723091897]
[2024-11-08 17:09:14,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:09:14,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:09:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:09:15,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:09:15,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:09:15,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723091897]
[2024-11-08 17:09:15,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723091897] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:09:15,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:09:15,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 17:09:15,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961308147]
[2024-11-08 17:09:15,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:09:15,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 17:09:15,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:09:15,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 17:09:15,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:09:15,560 INFO L87 Difference]: Start difference. First operand 703 states and 1049 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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)
[2024-11-08 17:09:15,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:09:15,842 INFO L93 Difference]: Finished difference Result 1375 states and 2049 transitions.
[2024-11-08 17:09:15,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 17:09:15,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49
[2024-11-08 17:09:15,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:09:15,846 INFO L225 Difference]: With dead ends: 1375
[2024-11-08 17:09:15,846 INFO L226 Difference]: Without dead ends: 746
[2024-11-08 17:09:15,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-08 17:09:15,848 INFO L432 NwaCegarLoop]: 1038 mSDtfsCounter, 127 mSDsluCounter, 2951 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 3989 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 17:09:15,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 3989 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 17:09:15,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 746 states.
[2024-11-08 17:09:15,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 746 to 710.
[2024-11-08 17:09:15,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 709 states have (on average 1.4922425952045133) internal successors, (1058), 709 states have internal predecessors, (1058), 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)
[2024-11-08 17:09:15,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 1058 transitions.
[2024-11-08 17:09:15,868 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 1058 transitions. Word has length 49
[2024-11-08 17:09:15,869 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:09:15,870 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 1058 transitions.
[2024-11-08 17:09:15,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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)
[2024-11-08 17:09:15,870 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 1058 transitions.
[2024-11-08 17:09:15,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2024-11-08 17:09:15,873 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:09:15,873 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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]
[2024-11-08 17:09:15,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 17:09:15,874 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:09:15,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:09:15,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1240649964, now seen corresponding path program 1 times
[2024-11-08 17:09:15,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:09:15,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883049379]
[2024-11-08 17:09:15,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:09:15,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:09:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:09:15,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-08 17:09:16,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-08 17:09:16,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-08 17:09:16,075 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-08 17:09:16,076 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 17:09:16,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 17:09:16,081 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-08 17:09:16,140 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null
[2024-11-08 17:09:16,160 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 17:09:16,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:09:16 BoogieIcfgContainer
[2024-11-08 17:09:16,168 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 17:09:16,168 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 17:09:16,168 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 17:09:16,168 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 17:09:16,169 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:09:13" (3/4) ...
[2024-11-08 17:09:16,174 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-08 17:09:16,175 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 17:09:16,176 INFO L158 Benchmark]: Toolchain (without parser) took 9550.25ms. Allocated memory was 167.8MB in the beginning and 425.7MB in the end (delta: 257.9MB). Free memory was 136.6MB in the beginning and 104.5MB in the end (delta: 32.1MB). Peak memory consumption was 290.7MB. Max. memory is 16.1GB.
[2024-11-08 17:09:16,176 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 127.9MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:09:16,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1259.61ms. Allocated memory is still 167.8MB. Free memory was 136.4MB in the beginning and 112.8MB in the end (delta: 23.6MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB.
[2024-11-08 17:09:16,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 535.44ms. Allocated memory was 167.8MB in the beginning and 239.1MB in the end (delta: 71.3MB). Free memory was 112.8MB in the beginning and 147.5MB in the end (delta: -34.8MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB.
[2024-11-08 17:09:16,179 INFO L158 Benchmark]: Boogie Preprocessor took 455.03ms. Allocated memory is still 239.1MB. Free memory was 147.5MB in the beginning and 136.7MB in the end (delta: 10.9MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB.
[2024-11-08 17:09:16,180 INFO L158 Benchmark]: RCFGBuilder took 4174.47ms. Allocated memory was 239.1MB in the beginning and 425.7MB in the end (delta: 186.6MB). Free memory was 136.7MB in the beginning and 271.9MB in the end (delta: -135.2MB). Peak memory consumption was 182.5MB. Max. memory is 16.1GB.
[2024-11-08 17:09:16,180 INFO L158 Benchmark]: TraceAbstraction took 3107.50ms. Allocated memory is still 425.7MB. Free memory was 270.8MB in the beginning and 104.5MB in the end (delta: 166.4MB). Peak memory consumption was 166.4MB. Max. memory is 16.1GB.
[2024-11-08 17:09:16,180 INFO L158 Benchmark]: Witness Printer took 7.00ms. Allocated memory is still 425.7MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:09:16,182 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 127.9MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1259.61ms. Allocated memory is still 167.8MB. Free memory was 136.4MB in the beginning and 112.8MB in the end (delta: 23.6MB). Peak memory consumption was 76.0MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 535.44ms. Allocated memory was 167.8MB in the beginning and 239.1MB in the end (delta: 71.3MB). Free memory was 112.8MB in the beginning and 147.5MB in the end (delta: -34.8MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 455.03ms. Allocated memory is still 239.1MB. Free memory was 147.5MB in the beginning and 136.7MB in the end (delta: 10.9MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB.
* RCFGBuilder took 4174.47ms. Allocated memory was 239.1MB in the beginning and 425.7MB in the end (delta: 186.6MB). Free memory was 136.7MB in the beginning and 271.9MB in the end (delta: -135.2MB). Peak memory consumption was 182.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 3107.50ms. Allocated memory is still 425.7MB. Free memory was 270.8MB in the beginning and 104.5MB in the end (delta: 166.4MB). Peak memory consumption was 166.4MB. Max. memory is 16.1GB.
* Witness Printer took 7.00ms. Allocated memory is still 425.7MB. Free memory is still 104.5MB. 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
- UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of bitwiseAnd at line 149.
Possible FailurePath:
[L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1);
[L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1);
[L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 4);
[L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (4 - 1);
[L32] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 5);
[L33] const SORT_7 msb_SORT_7 = (SORT_7)1 << (5 - 1);
[L35] const SORT_22 mask_SORT_22 = (SORT_22)-1 >> (sizeof(SORT_22) * 8 - 32);
[L36] const SORT_22 msb_SORT_22 = (SORT_22)1 << (32 - 1);
[L38] const SORT_7 var_8 = 0;
[L39] const SORT_7 var_11 = 16;
[L40] const SORT_1 var_15 = 1;
[L41] const SORT_1 var_19 = 0;
[L42] const SORT_22 var_23 = 0;
[L43] const SORT_22 var_24 = 15;
[L44] const SORT_22 var_74 = 14;
[L45] const SORT_22 var_92 = 13;
[L46] const SORT_22 var_110 = 12;
[L47] const SORT_22 var_128 = 11;
[L48] const SORT_22 var_146 = 10;
[L49] const SORT_22 var_164 = 9;
[L50] const SORT_22 var_182 = 8;
[L51] const SORT_22 var_200 = 7;
[L52] const SORT_22 var_218 = 6;
[L53] const SORT_22 var_236 = 5;
[L54] const SORT_22 var_254 = 4;
[L55] const SORT_22 var_272 = 3;
[L56] const SORT_22 var_290 = 2;
[L57] const SORT_22 var_308 = 1;
[L58] const SORT_22 var_350 = 16;
[L59] const SORT_4 var_356 = 0;
[L61] SORT_1 input_2;
[L62] SORT_1 input_3;
[L63] SORT_4 input_5;
[L64] SORT_1 input_6;
[L65] SORT_1 input_345;
[L66] SORT_4 input_347;
[L67] SORT_1 input_386;
[L68] SORT_4 input_388;
[L69] SORT_1 input_404;
[L70] SORT_4 input_408;
[L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L72] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7;
[L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L73] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L74] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L75] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L76] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L77] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L78] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L79] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L80] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L81] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L82] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L83] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L84] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L85] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L86] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L87] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L88] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13]
[L89] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L91] SORT_7 init_10_arg_1 = var_8;
[L92] state_9 = init_10_arg_1
[L93] SORT_1 init_21_arg_1 = var_19;
[L94] state_20 = init_21_arg_1
[L95] SORT_1 init_26_arg_1 = var_19;
[L96] state_25 = init_26_arg_1
[L97] SORT_1 init_28_arg_1 = var_19;
[L98] state_27 = init_28_arg_1
[L99] SORT_1 init_31_arg_1 = var_19;
[L100] state_30 = init_31_arg_1
[L101] SORT_1 init_33_arg_1 = var_19;
[L102] state_32 = init_33_arg_1
[L103] SORT_1 init_37_arg_1 = var_19;
[L104] state_36 = init_37_arg_1
[L105] SORT_1 init_39_arg_1 = var_19;
[L106] state_38 = init_39_arg_1
[L107] SORT_1 init_42_arg_1 = var_19;
[L108] state_41 = init_42_arg_1
[L109] SORT_1 init_44_arg_1 = var_19;
[L110] state_43 = init_44_arg_1
[L111] SORT_1 init_49_arg_1 = var_19;
[L112] state_48 = init_49_arg_1
[L113] SORT_1 init_51_arg_1 = var_19;
[L114] state_50 = init_51_arg_1
[L115] SORT_1 init_54_arg_1 = var_19;
[L116] state_53 = init_54_arg_1
[L117] SORT_1 init_56_arg_1 = var_19;
[L118] state_55 = init_56_arg_1
[L119] SORT_1 init_60_arg_1 = var_19;
[L120] state_59 = init_60_arg_1
[L121] SORT_1 init_62_arg_1 = var_19;
[L122] state_61 = init_62_arg_1
[L123] SORT_1 init_65_arg_1 = var_19;
[L124] state_64 = init_65_arg_1
[L125] SORT_1 init_67_arg_1 = var_19;
[L126] state_66 = init_67_arg_1
VAL [mask_SORT_1=1, mask_SORT_7=31, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_36=0, state_38=0, state_41=0, state_43=0, state_48=0, state_50=0, state_53=0, state_55=0, state_59=0, state_61=0, state_64=0, state_66=0, state_9=0, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_92=13]
[L129] input_2 = __VERIFIER_nondet_uchar()
[L130] input_3 = __VERIFIER_nondet_uchar()
[L131] input_5 = __VERIFIER_nondet_uchar()
[L132] input_6 = __VERIFIER_nondet_uchar()
[L133] EXPR input_6 & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_7=31, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_36=0, state_38=0, state_41=0, state_43=0, state_48=0, state_50=0, state_53=0, state_55=0, state_59=0, state_61=0, state_64=0, state_66=0, state_9=0, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_92=13]
[L133] input_6 = input_6 & mask_SORT_1
[L134] input_345 = __VERIFIER_nondet_uchar()
[L135] input_347 = __VERIFIER_nondet_uchar()
[L136] input_386 = __VERIFIER_nondet_uchar()
[L137] input_388 = __VERIFIER_nondet_uchar()
[L138] input_404 = __VERIFIER_nondet_uchar()
[L139] input_408 = __VERIFIER_nondet_uchar()
[L142] SORT_7 var_12_arg_0 = state_9;
[L143] SORT_7 var_12_arg_1 = var_11;
[L144] SORT_1 var_12 = var_12_arg_0 <= var_12_arg_1;
[L145] SORT_1 var_16_arg_0 = var_12;
[L146] SORT_1 var_16 = ~var_16_arg_0;
[L147] SORT_1 var_17_arg_0 = var_15;
[L148] SORT_1 var_17_arg_1 = var_16;
VAL [input_6=0, mask_SORT_1=1, mask_SORT_7=31, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_36=0, state_38=0, state_41=0, state_43=0, state_48=0, state_50=0, state_53=0, state_55=0, state_59=0, state_61=0, state_64=0, state_66=0, state_9=0, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_17_arg_0=1, var_17_arg_1=-2, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_92=13]
[L149] EXPR var_17_arg_0 & var_17_arg_1
VAL [input_6=0, mask_SORT_1=1, mask_SORT_7=31, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_36=0, state_38=0, state_41=0, state_43=0, state_48=0, state_50=0, state_53=0, state_55=0, state_59=0, state_61=0, state_64=0, state_66=0, state_9=0, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_92=13]
[L149] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1;
[L150] EXPR var_17 & mask_SORT_1
VAL [input_6=0, mask_SORT_1=1, mask_SORT_7=31, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_36=0, state_38=0, state_41=0, state_43=0, state_48=0, state_50=0, state_53=0, state_55=0, state_59=0, state_61=0, state_64=0, state_66=0, state_9=0, var_110=12, var_11=16, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_236=5, var_23=0, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_92=13]
[L150] var_17 = var_17 & mask_SORT_1
[L151] SORT_1 bad_18_arg_0 = var_17;
[L152] CALL __VERIFIER_assert(!(bad_18_arg_0))
[L21] COND TRUE !(cond)
[L21] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 703 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 127 mSDsluCounter, 10231 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7107 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 108 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3124 mSDtfsCounter, 108 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=710occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 36 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 194 NumberOfCodeBlocks, 194 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 517 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-08 17:09:16,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/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
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 96058a095f9d265f7ac6ab6bbcbacfbf0dd6452c382f47776ac7601de251f0e4
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:09:18,824 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:09:18,929 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2024-11-08 17:09:18,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:09:18,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:09:18,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:09:18,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:09:18,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:09:18,981 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:09:18,981 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:09:18,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:09:18,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:09:18,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:09:18,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:09:18,985 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:09:18,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:09:18,986 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:09:18,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:09:18,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:09:18,987 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:09:18,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:09:18,991 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-08 17:09:18,992 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-08 17:09:18,992 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:09:18,992 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-08 17:09:18,993 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:09:18,993 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:09:18,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:09:18,994 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:09:18,994 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:09:18,994 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:09:18,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:09:18,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:09:18,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:09:18,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:09:18,999 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-08 17:09:18,999 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-08 17:09:18,999 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:09:18,999 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:09:19,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:09:19,000 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:09:19,001 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96058a095f9d265f7ac6ab6bbcbacfbf0dd6452c382f47776ac7601de251f0e4
[2024-11-08 17:09:19,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:09:19,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:09:19,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:09:19,457 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:09:19,457 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:09:19,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c
Unable to find full path for "g++"
[2024-11-08 17:09:21,654 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:09:22,045 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:09:22,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c
[2024-11-08 17:09:22,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/data/7f33bfe47/968045270e6241beafc849441b23aa60/FLAG31e0f5df1
[2024-11-08 17:09:22,223 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/data/7f33bfe47/968045270e6241beafc849441b23aa60
[2024-11-08 17:09:22,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:09:22,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:09:22,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:09:22,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:09:22,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:09:22,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:09:22" (1/1) ...
[2024-11-08 17:09:22,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f38a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:22, skipping insertion in model container
[2024-11-08 17:09:22,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:09:22" (1/1) ...
[2024-11-08 17:09:22,327 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:09:22,565 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c[1258,1271]
[2024-11-08 17:09:23,031 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:09:23,052 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:09:23,065 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c[1258,1271]
[2024-11-08 17:09:23,240 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:09:23,261 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:09:23,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:23 WrapperNode
[2024-11-08 17:09:23,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:09:23,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:09:23,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:09:23,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:09:23,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:23" (1/1) ...
[2024-11-08 17:09:23,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:23" (1/1) ...
[2024-11-08 17:09:23,445 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1913
[2024-11-08 17:09:23,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:09:23,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:09:23,448 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:09:23,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:09:23,459 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:23" (1/1) ...
[2024-11-08 17:09:23,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:23" (1/1) ...
[2024-11-08 17:09:23,486 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:23" (1/1) ...
[2024-11-08 17:09:23,525 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 17:09:23,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:23" (1/1) ...
[2024-11-08 17:09:23,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:23" (1/1) ...
[2024-11-08 17:09:23,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:23" (1/1) ...
[2024-11-08 17:09:23,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:23" (1/1) ...
[2024-11-08 17:09:23,643 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:23" (1/1) ...
[2024-11-08 17:09:23,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:23" (1/1) ...
[2024-11-08 17:09:23,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:09:23,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:09:23,688 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:09:23,689 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:09:23,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:23" (1/1) ...
[2024-11-08 17:09:23,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:09:23,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:09:23,726 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:09:23,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:09:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:09:23,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-08 17:09:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:09:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:09:24,232 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:09:24,234 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:09:32,781 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live.
[2024-11-08 17:09:32,781 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:09:32,796 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:09:32,797 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 17:09:32,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:09:32 BoogieIcfgContainer
[2024-11-08 17:09:32,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:09:32,802 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:09:32,804 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:09:32,807 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:09:32,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:09:22" (1/3) ...
[2024-11-08 17:09:32,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4c8cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:09:32, skipping insertion in model container
[2024-11-08 17:09:32,809 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:09:23" (2/3) ...
[2024-11-08 17:09:32,810 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a4c8cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:09:32, skipping insertion in model container
[2024-11-08 17:09:32,811 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:09:32" (3/3) ...
[2024-11-08 17:09:32,813 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_buf_bug.c
[2024-11-08 17:09:32,836 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:09:32,836 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 17:09:32,906 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:09:32,913 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;@9b6d542, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:09:32,913 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 17:09:32,919 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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)
[2024-11-08 17:09:32,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-11-08 17:09:32,928 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:09:32,929 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-11-08 17:09:32,930 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:09:32,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:09:32,938 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times
[2024-11-08 17:09:32,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:09:32,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [740005981]
[2024-11-08 17:09:32,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:09:32,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:09:32,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:09:32,959 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:09:32,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 17:09:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:09:33,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-11-08 17:09:33,484 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:09:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:09:33,652 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:09:33,653 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-08 17:09:33,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740005981]
[2024-11-08 17:09:33,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740005981] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:09:33,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:09:33,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-08 17:09:33,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030441768]
[2024-11-08 17:09:33,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:09:33,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:09:33,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-08 17:09:33,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:09:33,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:09:33,692 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:09:33,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:09:33,813 INFO L93 Difference]: Finished difference Result 19 states and 27 transitions.
[2024-11-08 17:09:33,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:09:33,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2024-11-08 17:09:33,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:09:33,825 INFO L225 Difference]: With dead ends: 19
[2024-11-08 17:09:33,825 INFO L226 Difference]: Without dead ends: 10
[2024-11-08 17:09:33,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-08 17:09:33,834 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:09:33,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:09:33,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2024-11-08 17:09:33,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9.
[2024-11-08 17:09:33,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:09:33,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions.
[2024-11-08 17:09:33,872 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5
[2024-11-08 17:09:33,872 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:09:33,873 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions.
[2024-11-08 17:09:33,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:09:33,874 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions.
[2024-11-08 17:09:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-08 17:09:33,875 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:09:33,875 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:09:33,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 17:09:34,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:09:34,080 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 17:09:34,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:09:34,081 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times
[2024-11-08 17:09:34,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-08 17:09:34,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [628106600]
[2024-11-08 17:09:34,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:09:34,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:09:34,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:09:34,085 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:09:34,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526f823b-8f9d-4c65-8498-a1c8e7048811/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 17:09:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:09:34,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 54 conjuncts are in the unsatisfiable core
[2024-11-08 17:09:34,794 INFO L278 TraceCheckSpWp]: Computing forward predicates...