./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC --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 5cca11703f101d148385abb3e7759c3ab61c77d034554827e4ca1c3d0123761f
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 02:01:08,756 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 02:01:08,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-24 02:01:08,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 02:01:08,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 02:01:08,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 02:01:08,849 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 02:01:08,850 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 02:01:08,854 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 02:01:08,854 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 02:01:08,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 02:01:08,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 02:01:08,854 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 02:01:08,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 02:01:08,855 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 02:01:08,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 02:01:08,855 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 02:01:08,855 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 02:01:08,855 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 02:01:08,855 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 02:01:08,855 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 02:01:08,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 02:01:08,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 02:01:08,856 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 02:01:08,856 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 02:01:08,856 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 02:01:08,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 02:01:08,856 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 02:01:08,857 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 02:01:08,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:01:08,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 02:01:08,857 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 02:01:08,857 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 02:01:08,857 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 02:01:08,857 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:01:08,857 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 02:01:08,857 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 02:01:08,857 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 02:01:08,858 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 02:01:08,858 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 02:01:08,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 02:01:08,858 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 02:01:08,858 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 02:01:08,858 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 02:01:08,858 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 02:01:08,858 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 5cca11703f101d148385abb3e7759c3ab61c77d034554827e4ca1c3d0123761f
[2024-11-24 02:01:09,227 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 02:01:09,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 02:01:09,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 02:01:09,248 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 02:01:09,248 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 02:01:09,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c
[2024-11-24 02:01:12,523 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/data/3fa3833d8/f06d7bf574c64400962f4c82121e4e53/FLAG5ba9f136a
[2024-11-24 02:01:13,065 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 02:01:13,065 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c
[2024-11-24 02:01:13,097 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/data/3fa3833d8/f06d7bf574c64400962f4c82121e4e53/FLAG5ba9f136a
[2024-11-24 02:01:13,130 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/data/3fa3833d8/f06d7bf574c64400962f4c82121e4e53
[2024-11-24 02:01:13,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 02:01:13,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 02:01:13,139 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 02:01:13,140 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 02:01:13,150 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 02:01:13,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:01:13" (1/1) ...
[2024-11-24 02:01:13,155 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72bdb8cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:13, skipping insertion in model container
[2024-11-24 02:01:13,155 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:01:13" (1/1) ...
[2024-11-24 02:01:13,249 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 02:01:13,544 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_95aa41ab-d1f6-42d5-8b02-988fa0d307be/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c[1247,1260]
[2024-11-24 02:01:14,114 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:01:14,124 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 02:01:14,136 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_95aa41ab-d1f6-42d5-8b02-988fa0d307be/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c[1247,1260]
[2024-11-24 02:01:14,500 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:01:14,518 INFO L204 MainTranslator]: Completed translation
[2024-11-24 02:01:14,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:14 WrapperNode
[2024-11-24 02:01:14,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 02:01:14,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 02:01:14,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 02:01:14,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 02:01:14,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:14" (1/1) ...
[2024-11-24 02:01:14,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:14" (1/1) ...
[2024-11-24 02:01:15,223 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3347
[2024-11-24 02:01:15,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 02:01:15,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 02:01:15,225 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 02:01:15,225 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 02:01:15,236 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:14" (1/1) ...
[2024-11-24 02:01:15,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:14" (1/1) ...
[2024-11-24 02:01:15,326 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:14" (1/1) ...
[2024-11-24 02:01:15,488 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].
[2024-11-24 02:01:15,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:14" (1/1) ...
[2024-11-24 02:01:15,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:14" (1/1) ...
[2024-11-24 02:01:15,590 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:14" (1/1) ...
[2024-11-24 02:01:15,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:14" (1/1) ...
[2024-11-24 02:01:15,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:14" (1/1) ...
[2024-11-24 02:01:15,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:14" (1/1) ...
[2024-11-24 02:01:15,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:14" (1/1) ...
[2024-11-24 02:01:15,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 02:01:15,823 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 02:01:15,824 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 02:01:15,824 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 02:01:15,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:14" (1/1) ...
[2024-11-24 02:01:15,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:01:15,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 02:01:15,868 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 02:01:15,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 02:01:15,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 02:01:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 02:01:15,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 02:01:15,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 02:01:16,437 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 02:01:16,439 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 02:01:20,736 INFO L? ?]: Removed 2326 outVars from TransFormulas that were not future-live.
[2024-11-24 02:01:20,737 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 02:01:20,786 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 02:01:20,786 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 02:01:20,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:01:20 BoogieIcfgContainer
[2024-11-24 02:01:20,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 02:01:20,790 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 02:01:20,793 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 02:01:20,798 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 02:01:20,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:01:13" (1/3) ...
[2024-11-24 02:01:20,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6617b8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:01:20, skipping insertion in model container
[2024-11-24 02:01:20,802 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:14" (2/3) ...
[2024-11-24 02:01:20,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6617b8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:01:20, skipping insertion in model container
[2024-11-24 02:01:20,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:01:20" (3/3) ...
[2024-11-24 02:01:20,805 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_BufAl.c
[2024-11-24 02:01:20,823 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 02:01:20,824 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.h_BufAl.c that has 1 procedures, 718 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 02:01:20,928 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 02:01:20,945 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;@371eac53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 02:01:20,946 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 02:01:20,954 INFO L276 IsEmpty]: Start isEmpty. Operand has 718 states, 716 states have (on average 1.4986033519553073) internal successors, (1073), 717 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:01:20,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2024-11-24 02:01:20,962 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:01:20,963 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:01:20,963 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:01:20,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:01:20,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1862643101, now seen corresponding path program 1 times
[2024-11-24 02:01:20,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:01:20,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058610825]
[2024-11-24 02:01:20,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:01:20,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:01:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:01:22,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:01:22,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:01:22,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058610825]
[2024-11-24 02:01:22,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058610825] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:01:22,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:01:22,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 02:01:22,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810454295]
[2024-11-24 02:01:22,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:01:22,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 02:01:22,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:01:22,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 02:01:22,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 02:01:22,241 INFO L87 Difference]: Start difference. First operand has 718 states, 716 states have (on average 1.4986033519553073) internal successors, (1073), 717 states have internal predecessors, (1073), 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 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:01:22,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:01:22,435 INFO L93 Difference]: Finished difference Result 1353 states and 2025 transitions.
[2024-11-24 02:01:22,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 02:01:22,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 57
[2024-11-24 02:01:22,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:01:22,466 INFO L225 Difference]: With dead ends: 1353
[2024-11-24 02:01:22,466 INFO L226 Difference]: Without dead ends: 717
[2024-11-24 02:01:22,472 INFO L434 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
[2024-11-24 02:01:22,477 INFO L435 NwaCegarLoop]: 1067 mSDtfsCounter, 0 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3195 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
[2024-11-24 02:01:22,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3195 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 02:01:22,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states.
[2024-11-24 02:01:22,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717.
[2024-11-24 02:01:22,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 716 states have (on average 1.4958100558659218) internal successors, (1071), 716 states have internal predecessors, (1071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:01:22,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1071 transitions.
[2024-11-24 02:01:22,564 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1071 transitions. Word has length 57
[2024-11-24 02:01:22,565 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:01:22,565 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 1071 transitions.
[2024-11-24 02:01:22,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:01:22,565 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1071 transitions.
[2024-11-24 02:01:22,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2024-11-24 02:01:22,567 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:01:22,567 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:01:22,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 02:01:22,568 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:01:22,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:01:22,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1909056774, now seen corresponding path program 1 times
[2024-11-24 02:01:22,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:01:22,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041073796]
[2024-11-24 02:01:22,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:01:22,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:01:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:01:22,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:01:22,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:01:22,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041073796]
[2024-11-24 02:01:22,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041073796] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:01:22,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:01:22,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 02:01:22,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631309598]
[2024-11-24 02:01:22,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:01:22,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 02:01:22,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:01:22,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 02:01:22,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 02:01:22,919 INFO L87 Difference]: Start difference. First operand 717 states and 1071 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:01:23,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:01:23,036 INFO L93 Difference]: Finished difference Result 1354 states and 2023 transitions.
[2024-11-24 02:01:23,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 02:01:23,037 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 58
[2024-11-24 02:01:23,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:01:23,044 INFO L225 Difference]: With dead ends: 1354
[2024-11-24 02:01:23,045 INFO L226 Difference]: Without dead ends: 719
[2024-11-24 02:01:23,047 INFO L434 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
[2024-11-24 02:01:23,048 INFO L435 NwaCegarLoop]: 1067 mSDtfsCounter, 0 mSDsluCounter, 2124 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3191 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
[2024-11-24 02:01:23,048 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3191 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 02:01:23,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states.
[2024-11-24 02:01:23,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 719.
[2024-11-24 02:01:23,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 718 states have (on average 1.4944289693593316) internal successors, (1073), 718 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:01:23,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 1073 transitions.
[2024-11-24 02:01:23,082 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 1073 transitions. Word has length 58
[2024-11-24 02:01:23,082 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:01:23,082 INFO L471 AbstractCegarLoop]: Abstraction has 719 states and 1073 transitions.
[2024-11-24 02:01:23,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:01:23,083 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1073 transitions.
[2024-11-24 02:01:23,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2024-11-24 02:01:23,085 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:01:23,085 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:01:23,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 02:01:23,086 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:01:23,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:01:23,086 INFO L85 PathProgramCache]: Analyzing trace with hash -2046747754, now seen corresponding path program 1 times
[2024-11-24 02:01:23,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:01:23,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363796612]
[2024-11-24 02:01:23,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:01:23,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:01:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:01:24,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:01:24,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:01:24,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363796612]
[2024-11-24 02:01:24,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363796612] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:01:24,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:01:24,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-24 02:01:24,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091848156]
[2024-11-24 02:01:24,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:01:24,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-24 02:01:24,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:01:24,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-24 02:01:24,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-24 02:01:24,318 INFO L87 Difference]: Start difference. First operand 719 states and 1073 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:01:24,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:01:24,864 INFO L93 Difference]: Finished difference Result 1354 states and 2022 transitions.
[2024-11-24 02:01:24,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-24 02:01:24,865 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 59
[2024-11-24 02:01:24,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:01:24,868 INFO L225 Difference]: With dead ends: 1354
[2024-11-24 02:01:24,868 INFO L226 Difference]: Without dead ends: 717
[2024-11-24 02:01:24,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2024-11-24 02:01:24,874 INFO L435 NwaCegarLoop]: 1031 mSDtfsCounter, 1022 mSDsluCounter, 4110 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1022 SdHoareTripleChecker+Valid, 5141 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-24 02:01:24,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1022 Valid, 5141 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-24 02:01:24,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states.
[2024-11-24 02:01:24,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 717.
[2024-11-24 02:01:24,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 716 states have (on average 1.4930167597765363) internal successors, (1069), 716 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:01:24,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1069 transitions.
[2024-11-24 02:01:24,919 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1069 transitions. Word has length 59
[2024-11-24 02:01:24,920 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:01:24,921 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 1069 transitions.
[2024-11-24 02:01:24,921 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:01:24,921 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1069 transitions.
[2024-11-24 02:01:24,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2024-11-24 02:01:24,925 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:01:24,925 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:01:24,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 02:01:24,925 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:01:24,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:01:24,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1755092791, now seen corresponding path program 1 times
[2024-11-24 02:01:24,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:01:24,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408010288]
[2024-11-24 02:01:24,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:01:24,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:01:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:01:25,026 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 02:01:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:01:25,232 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 02:01:25,232 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 02:01:25,233 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-24 02:01:25,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 02:01:25,239 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-24 02:01:25,335 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 02:01:25,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:01:25 BoogieIcfgContainer
[2024-11-24 02:01:25,341 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 02:01:25,342 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 02:01:25,342 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 02:01:25,342 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 02:01:25,346 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:01:20" (3/4) ...
[2024-11-24 02:01:25,349 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-11-24 02:01:25,351 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 02:01:25,352 INFO L158 Benchmark]: Toolchain (without parser) took 12217.61ms. Allocated memory was 117.4MB in the beginning and 562.0MB in the end (delta: 444.6MB). Free memory was 90.1MB in the beginning and 326.9MB in the end (delta: -236.8MB). Peak memory consumption was 214.7MB. Max. memory is 16.1GB.
[2024-11-24 02:01:25,353 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 74.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:01:25,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1381.16ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 67.4MB in the end (delta: 22.5MB). Peak memory consumption was 83.1MB. Max. memory is 16.1GB.
[2024-11-24 02:01:25,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 703.64ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 67.3MB in the beginning and 139.1MB in the end (delta: -71.8MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB.
[2024-11-24 02:01:25,355 INFO L158 Benchmark]: Boogie Preprocessor took 597.72ms. Allocated memory is still 234.9MB. Free memory was 139.1MB in the beginning and 141.7MB in the end (delta: -2.6MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB.
[2024-11-24 02:01:25,355 INFO L158 Benchmark]: RCFGBuilder took 4963.76ms. Allocated memory was 234.9MB in the beginning and 562.0MB in the end (delta: 327.2MB). Free memory was 141.7MB in the beginning and 442.5MB in the end (delta: -300.8MB). Peak memory consumption was 220.3MB. Max. memory is 16.1GB.
[2024-11-24 02:01:25,356 INFO L158 Benchmark]: TraceAbstraction took 4551.96ms. Allocated memory is still 562.0MB. Free memory was 438.7MB in the beginning and 326.9MB in the end (delta: 111.8MB). Peak memory consumption was 107.2MB. Max. memory is 16.1GB.
[2024-11-24 02:01:25,357 INFO L158 Benchmark]: Witness Printer took 9.37ms. Allocated memory is still 562.0MB. Free memory was 326.9MB in the beginning and 326.9MB in the end (delta: 31.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 02:01:25,359 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 74.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1381.16ms. Allocated memory is still 117.4MB. Free memory was 89.9MB in the beginning and 67.4MB in the end (delta: 22.5MB). Peak memory consumption was 83.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 703.64ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 67.3MB in the beginning and 139.1MB in the end (delta: -71.8MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 597.72ms. Allocated memory is still 234.9MB. Free memory was 139.1MB in the beginning and 141.7MB in the end (delta: -2.6MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB.
* RCFGBuilder took 4963.76ms. Allocated memory was 234.9MB in the beginning and 562.0MB in the end (delta: 327.2MB). Free memory was 141.7MB in the beginning and 442.5MB in the end (delta: -300.8MB). Peak memory consumption was 220.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 4551.96ms. Allocated memory is still 562.0MB. Free memory was 438.7MB in the beginning and 326.9MB in the end (delta: 111.8MB). Peak memory consumption was 107.2MB. Max. memory is 16.1GB.
* Witness Printer took 9.37ms. Allocated memory is still 562.0MB. Free memory was 326.9MB in the beginning and 326.9MB in the end (delta: 31.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- 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 166.
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_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 32);
[L36] const SORT_12 msb_SORT_12 = (SORT_12)1 << (32 - 1);
[L38] const SORT_7 var_8 = 0;
[L39] const SORT_12 var_14 = 0;
[L40] const SORT_1 var_22 = 1;
[L41] const SORT_1 var_26 = 0;
[L42] const SORT_12 var_29 = 15;
[L43] const SORT_12 var_79 = 14;
[L44] const SORT_12 var_97 = 13;
[L45] const SORT_12 var_115 = 12;
[L46] const SORT_12 var_133 = 11;
[L47] const SORT_12 var_151 = 10;
[L48] const SORT_12 var_169 = 9;
[L49] const SORT_12 var_187 = 8;
[L50] const SORT_12 var_205 = 7;
[L51] const SORT_12 var_223 = 6;
[L52] const SORT_12 var_241 = 5;
[L53] const SORT_12 var_259 = 4;
[L54] const SORT_12 var_277 = 3;
[L55] const SORT_12 var_295 = 2;
[L56] const SORT_12 var_313 = 1;
[L57] const SORT_4 var_352 = 0;
[L58] const SORT_12 var_356 = 16;
[L60] SORT_1 input_2;
[L61] SORT_1 input_3;
[L62] SORT_4 input_5;
[L63] SORT_1 input_6;
[L64] SORT_1 input_391;
[L65] SORT_4 input_393;
[L66] SORT_1 input_409;
[L67] SORT_4 input_413;
[L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_7
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L69] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7;
[L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L70] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L71] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L72] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L73] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L74] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L75] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L76] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L77] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L78] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L79] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L80] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L81] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L82] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L83] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L84] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L85] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L86] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L87] SORT_1 state_350 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_8=0, var_97=13]
[L88] SORT_4 state_353 = __VERIFIER_nondet_uchar() & mask_SORT_4;
[L90] SORT_7 init_10_arg_1 = var_8;
[L91] state_9 = init_10_arg_1
[L92] SORT_1 init_28_arg_1 = var_26;
[L93] state_27 = init_28_arg_1
[L94] SORT_1 init_31_arg_1 = var_26;
[L95] state_30 = init_31_arg_1
[L96] SORT_1 init_33_arg_1 = var_26;
[L97] state_32 = init_33_arg_1
[L98] SORT_1 init_36_arg_1 = var_26;
[L99] state_35 = init_36_arg_1
[L100] SORT_1 init_38_arg_1 = var_26;
[L101] state_37 = init_38_arg_1
[L102] SORT_1 init_42_arg_1 = var_26;
[L103] state_41 = init_42_arg_1
[L104] SORT_1 init_44_arg_1 = var_26;
[L105] state_43 = init_44_arg_1
[L106] SORT_1 init_47_arg_1 = var_26;
[L107] state_46 = init_47_arg_1
[L108] SORT_1 init_49_arg_1 = var_26;
[L109] state_48 = init_49_arg_1
[L110] SORT_1 init_54_arg_1 = var_26;
[L111] state_53 = init_54_arg_1
[L112] SORT_1 init_56_arg_1 = var_26;
[L113] state_55 = init_56_arg_1
[L114] SORT_1 init_59_arg_1 = var_26;
[L115] state_58 = init_59_arg_1
[L116] SORT_1 init_61_arg_1 = var_26;
[L117] state_60 = init_61_arg_1
[L118] SORT_1 init_65_arg_1 = var_26;
[L119] state_64 = init_65_arg_1
[L120] SORT_1 init_67_arg_1 = var_26;
[L121] state_66 = init_67_arg_1
[L122] SORT_1 init_70_arg_1 = var_26;
[L123] state_69 = init_70_arg_1
[L124] SORT_1 init_72_arg_1 = var_26;
[L125] state_71 = init_72_arg_1
[L126] SORT_1 init_351_arg_1 = var_26;
[L127] state_350 = init_351_arg_1
[L128] SORT_4 init_354_arg_1 = var_352;
[L129] state_353 = init_354_arg_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13]
[L132] input_2 = __VERIFIER_nondet_uchar()
[L133] input_3 = __VERIFIER_nondet_uchar()
[L134] input_5 = __VERIFIER_nondet_uchar()
[L135] input_6 = __VERIFIER_nondet_uchar()
[L136] EXPR input_6 & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13]
[L136] input_6 = input_6 & mask_SORT_1
[L137] input_391 = __VERIFIER_nondet_uchar()
[L138] input_393 = __VERIFIER_nondet_uchar()
[L139] input_409 = __VERIFIER_nondet_uchar()
[L140] input_413 = __VERIFIER_nondet_uchar()
[L143] SORT_7 var_11_arg_0 = state_9;
[L144] SORT_1 var_11 = var_11_arg_0 >> 4;
[L145] SORT_1 var_13_arg_0 = var_11;
VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_13_arg_0=0, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13]
[L146] EXPR var_13_arg_0 & mask_SORT_1
VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13]
[L146] var_13_arg_0 = var_13_arg_0 & mask_SORT_1
[L147] SORT_12 var_13 = var_13_arg_0;
[L148] SORT_12 var_15_arg_0 = var_13;
[L149] SORT_12 var_15_arg_1 = var_14;
[L150] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1;
[L151] SORT_7 var_16_arg_0 = state_9;
[L152] SORT_4 var_16 = var_16_arg_0 >> 0;
[L153] SORT_4 var_17_arg_0 = var_16;
VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_15=1, var_169=9, var_17_arg_0=0, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13]
[L154] EXPR var_17_arg_0 & mask_SORT_4
VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_15=1, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13]
[L154] var_17_arg_0 = var_17_arg_0 & mask_SORT_4
[L155] SORT_12 var_17 = var_17_arg_0;
[L156] SORT_12 var_18_arg_0 = var_17;
[L157] SORT_12 var_18_arg_1 = var_14;
[L158] SORT_1 var_18 = var_18_arg_0 == var_18_arg_1;
[L159] SORT_1 var_19_arg_0 = var_15;
[L160] SORT_1 var_19_arg_1 = var_18;
VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_19_arg_0=1, var_19_arg_1=1, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13]
[L161] EXPR var_19_arg_0 | var_19_arg_1
VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13]
[L161] SORT_1 var_19 = var_19_arg_0 | var_19_arg_1;
[L162] SORT_1 var_23_arg_0 = var_19;
[L163] SORT_1 var_23 = ~var_23_arg_0;
[L164] SORT_1 var_24_arg_0 = var_22;
[L165] SORT_1 var_24_arg_1 = var_23;
VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_24_arg_0=1, var_24_arg_1=-2, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13]
[L166] EXPR var_24_arg_0 & var_24_arg_1
VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13]
[L166] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1;
[L167] EXPR var_24 & mask_SORT_1
VAL [input_6=0, mask_SORT_1=1, mask_SORT_4=15, mask_SORT_7=31, state_27=0, state_30=0, state_32=0, state_350=0, state_353=0, state_35=0, state_37=0, state_41=0, state_43=0, state_46=0, state_48=0, state_53=0, state_55=0, state_58=0, state_60=0, state_64=0, state_66=0, state_69=0, state_71=0, state_9=0, var_115=12, var_133=11, var_14=0, var_151=10, var_169=9, var_187=8, var_205=7, var_223=6, var_22=1, var_241=5, var_259=4, var_26=0, var_277=3, var_295=2, var_29=15, var_313=1, var_352=0, var_356=16, var_79=14, var_97=13]
[L167] var_24 = var_24 & mask_SORT_1
[L168] SORT_1 bad_25_arg_0 = var_24;
[L169] CALL __VERIFIER_assert(!(bad_25_arg_0))
[L21] COND TRUE !(cond)
[L21] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 718 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1022 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1022 mSDsluCounter, 11527 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8362 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 204 IncrementalHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 3165 mSDtfsCounter, 204 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=719occurred in iteration=2, InterpolantAutomatonStates: 15, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 171 ConstructedInterpolants, 0 QuantifiedInterpolants, 335 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, ConComCheckerStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-24 02:01:25,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC --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 5cca11703f101d148385abb3e7759c3ab61c77d034554827e4ca1c3d0123761f
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 02:01:27,996 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 02:01:28,126 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2024-11-24 02:01:28,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 02:01:28,138 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 02:01:28,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 02:01:28,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 02:01:28,197 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 02:01:28,197 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 02:01:28,197 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 02:01:28,198 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 02:01:28,199 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 02:01:28,199 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 02:01:28,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 02:01:28,199 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 02:01:28,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 02:01:28,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 02:01:28,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 02:01:28,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 02:01:28,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 02:01:28,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 02:01:28,200 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-24 02:01:28,200 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-24 02:01:28,200 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-24 02:01:28,200 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 02:01:28,200 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 02:01:28,200 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 02:01:28,200 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 02:01:28,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 02:01:28,201 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 02:01:28,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 02:01:28,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:01:28,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 02:01:28,201 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 02:01:28,201 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 02:01:28,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 02:01:28,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:01:28,201 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 02:01:28,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 02:01:28,201 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 02:01:28,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 02:01:28,202 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-24 02:01:28,203 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-24 02:01:28,203 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 02:01:28,204 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 02:01:28,204 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 02:01:28,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 02:01:28,204 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! 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 -> 5cca11703f101d148385abb3e7759c3ab61c77d034554827e4ca1c3d0123761f
[2024-11-24 02:01:28,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 02:01:28,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 02:01:28,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 02:01:28,561 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 02:01:28,561 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 02:01:28,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c
[2024-11-24 02:01:31,583 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/data/9110eace7/bc66209bf81d4af69a872e2cd71ef2f3/FLAG9fff7de67
[2024-11-24 02:01:32,123 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 02:01:32,127 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c
[2024-11-24 02:01:32,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/data/9110eace7/bc66209bf81d4af69a872e2cd71ef2f3/FLAG9fff7de67
[2024-11-24 02:01:32,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/data/9110eace7/bc66209bf81d4af69a872e2cd71ef2f3
[2024-11-24 02:01:32,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 02:01:32,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 02:01:32,181 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 02:01:32,181 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 02:01:32,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 02:01:32,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:01:32" (1/1) ...
[2024-11-24 02:01:32,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6717d390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:32, skipping insertion in model container
[2024-11-24 02:01:32,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:01:32" (1/1) ...
[2024-11-24 02:01:32,281 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 02:01:32,520 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_95aa41ab-d1f6-42d5-8b02-988fa0d307be/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c[1247,1260]
[2024-11-24 02:01:32,870 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:01:32,882 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 02:01:32,897 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_95aa41ab-d1f6-42d5-8b02-988fa0d307be/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_BufAl.c[1247,1260]
[2024-11-24 02:01:33,105 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:01:33,119 INFO L204 MainTranslator]: Completed translation
[2024-11-24 02:01:33,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:33 WrapperNode
[2024-11-24 02:01:33,120 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 02:01:33,121 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 02:01:33,121 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 02:01:33,121 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 02:01:33,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:33" (1/1) ...
[2024-11-24 02:01:33,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:33" (1/1) ...
[2024-11-24 02:01:33,283 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1931
[2024-11-24 02:01:33,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 02:01:33,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 02:01:33,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 02:01:33,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 02:01:33,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:33" (1/1) ...
[2024-11-24 02:01:33,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:33" (1/1) ...
[2024-11-24 02:01:33,312 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:33" (1/1) ...
[2024-11-24 02:01:33,348 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].
[2024-11-24 02:01:33,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:33" (1/1) ...
[2024-11-24 02:01:33,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:33" (1/1) ...
[2024-11-24 02:01:33,409 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:33" (1/1) ...
[2024-11-24 02:01:33,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:33" (1/1) ...
[2024-11-24 02:01:33,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:33" (1/1) ...
[2024-11-24 02:01:33,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:33" (1/1) ...
[2024-11-24 02:01:33,448 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:33" (1/1) ...
[2024-11-24 02:01:33,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 02:01:33,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 02:01:33,475 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 02:01:33,476 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 02:01:33,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:33" (1/1) ...
[2024-11-24 02:01:33,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:01:33,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 02:01:33,514 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 02:01:33,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 02:01:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 02:01:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-24 02:01:33,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 02:01:33,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 02:01:34,116 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 02:01:34,118 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 02:01:41,718 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live.
[2024-11-24 02:01:41,719 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 02:01:41,728 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 02:01:41,729 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 02:01:41,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:01:41 BoogieIcfgContainer
[2024-11-24 02:01:41,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 02:01:41,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 02:01:41,732 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 02:01:41,737 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 02:01:41,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:01:32" (1/3) ...
[2024-11-24 02:01:41,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6882162c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:01:41, skipping insertion in model container
[2024-11-24 02:01:41,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:01:33" (2/3) ...
[2024-11-24 02:01:41,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6882162c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:01:41, skipping insertion in model container
[2024-11-24 02:01:41,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:01:41" (3/3) ...
[2024-11-24 02:01:41,742 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_BufAl.c
[2024-11-24 02:01:41,757 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 02:01:41,759 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.h_BufAl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 02:01:41,813 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 02:01:41,826 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;@2cec5a2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 02:01:41,827 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 02:01:41,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 02:01:41,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-11-24 02:01:41,836 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:01:41,837 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-11-24 02:01:41,837 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:01:41,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:01:41,844 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times
[2024-11-24 02:01:41,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 02:01:41,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1306927926]
[2024-11-24 02:01:41,856 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:01:41,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 02:01:41,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 02:01:41,863 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 02:01:41,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 02:01:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:01:42,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 22 conjuncts are in the unsatisfiable core
[2024-11-24 02:01:42,422 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 02:01:42,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:01:42,648 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 02:01:42,649 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 02:01:42,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306927926]
[2024-11-24 02:01:42,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306927926] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:01:42,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:01:42,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 02:01:42,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210408114]
[2024-11-24 02:01:42,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:01:42,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 02:01:42,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 02:01:42,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 02:01:42,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 02:01:42,684 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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)
[2024-11-24 02:01:42,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:01:42,802 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions.
[2024-11-24 02:01:42,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 02:01:42,804 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
[2024-11-24 02:01:42,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:01:42,811 INFO L225 Difference]: With dead ends: 18
[2024-11-24 02:01:42,811 INFO L226 Difference]: Without dead ends: 10
[2024-11-24 02:01:42,814 INFO L434 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
[2024-11-24 02:01:42,817 INFO L435 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
[2024-11-24 02:01:42,818 INFO L436 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]
[2024-11-24 02:01:42,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2024-11-24 02:01:42,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9.
[2024-11-24 02:01:42,846 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)
[2024-11-24 02:01:42,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions.
[2024-11-24 02:01:42,853 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5
[2024-11-24 02:01:42,855 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:01:42,855 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions.
[2024-11-24 02:01:42,855 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)
[2024-11-24 02:01:42,855 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions.
[2024-11-24 02:01:42,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-24 02:01:42,856 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:01:42,857 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:01:42,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-24 02:01:43,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 02:01:43,058 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:01:43,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:01:43,059 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times
[2024-11-24 02:01:43,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 02:01:43,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1712891248]
[2024-11-24 02:01:43,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:01:43,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 02:01:43,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 02:01:43,066 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 02:01:43,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95aa41ab-d1f6-42d5-8b02-988fa0d307be/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 02:01:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:01:43,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 32 conjuncts are in the unsatisfiable core
[2024-11-24 02:01:43,945 INFO L279 TraceCheckSpWp]: Computing forward predicates...