./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-func-interl.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_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/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_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/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_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/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 2e2a2cb2c4789cd68b1190dca921718c27be66a014c5b9afd684fc837ce3e158
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 02:11:44,903 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 02:11:44,997 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-24 02:11:45,008 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 02:11:45,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 02:11:45,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 02:11:45,044 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 02:11:45,045 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 02:11:45,046 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 02:11:45,046 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 02:11:45,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 02:11:45,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 02:11:45,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 02:11:45,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 02:11:45,047 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 02:11:45,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 02:11:45,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 02:11:45,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 02:11:45,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 02:11:45,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 02:11:45,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 02:11:45,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 02:11:45,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 02:11:45,048 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 02:11:45,048 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 02:11:45,048 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 02:11:45,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 02:11:45,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 02:11:45,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 02:11:45,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:11:45,049 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 02:11:45,049 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 02:11:45,049 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 02:11:45,050 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 02:11:45,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:11:45,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 02:11:45,050 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 02:11:45,050 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 02:11:45,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 02:11:45,050 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 02:11:45,050 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 02:11:45,051 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 02:11:45,051 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 02:11:45,051 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 02:11:45,051 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 02:11:45,051 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_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/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 -> 2e2a2cb2c4789cd68b1190dca921718c27be66a014c5b9afd684fc837ce3e158
[2024-11-24 02:11:45,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 02:11:45,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 02:11:45,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 02:11:45,360 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 02:11:45,360 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 02:11:45,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-func-interl.c
[2024-11-24 02:11:48,284 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/data/489fc282a/23ac1ff541054803926c28eb59d3fec1/FLAGaf40d396d
[2024-11-24 02:11:48,675 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 02:11:48,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-func-interl.c
[2024-11-24 02:11:48,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/data/489fc282a/23ac1ff541054803926c28eb59d3fec1/FLAGaf40d396d
[2024-11-24 02:11:48,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/data/489fc282a/23ac1ff541054803926c28eb59d3fec1
[2024-11-24 02:11:48,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 02:11:48,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 02:11:48,733 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 02:11:48,733 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 02:11:48,738 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 02:11:48,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:11:48" (1/1) ...
[2024-11-24 02:11:48,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e3fad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:48, skipping insertion in model container
[2024-11-24 02:11:48,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:11:48" (1/1) ...
[2024-11-24 02:11:48,808 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 02:11:49,035 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_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-func-interl.c[1172,1185]
[2024-11-24 02:11:49,381 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:11:49,391 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 02:11:49,400 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_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-func-interl.c[1172,1185]
[2024-11-24 02:11:49,569 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:11:49,584 INFO L204 MainTranslator]: Completed translation
[2024-11-24 02:11:49,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:49 WrapperNode
[2024-11-24 02:11:49,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 02:11:49,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 02:11:49,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 02:11:49,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 02:11:49,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:49" (1/1) ...
[2024-11-24 02:11:49,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:49" (1/1) ...
[2024-11-24 02:11:50,110 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3251
[2024-11-24 02:11:50,110 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 02:11:50,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 02:11:50,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 02:11:50,113 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 02:11:50,124 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:49" (1/1) ...
[2024-11-24 02:11:50,124 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:49" (1/1) ...
[2024-11-24 02:11:50,195 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:49" (1/1) ...
[2024-11-24 02:11:50,349 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 02:11:50,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:49" (1/1) ...
[2024-11-24 02:11:50,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:49" (1/1) ...
[2024-11-24 02:11:50,473 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:49" (1/1) ...
[2024-11-24 02:11:50,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:49" (1/1) ...
[2024-11-24 02:11:50,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:49" (1/1) ...
[2024-11-24 02:11:50,609 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:49" (1/1) ...
[2024-11-24 02:11:50,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:49" (1/1) ...
[2024-11-24 02:11:50,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 02:11:50,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 02:11:50,786 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 02:11:50,787 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 02:11:50,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:49" (1/1) ...
[2024-11-24 02:11:50,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:11:50,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 02:11:50,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 02:11:50,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 02:11:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 02:11:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 02:11:50,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 02:11:50,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 02:11:51,333 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 02:11:51,335 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 02:11:55,634 INFO L? ?]: Removed 1863 outVars from TransFormulas that were not future-live.
[2024-11-24 02:11:55,635 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 02:11:55,677 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 02:11:55,677 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 02:11:55,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:11:55 BoogieIcfgContainer
[2024-11-24 02:11:55,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 02:11:55,684 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 02:11:55,684 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 02:11:55,689 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 02:11:55,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:11:48" (1/3) ...
[2024-11-24 02:11:55,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d576705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:11:55, skipping insertion in model container
[2024-11-24 02:11:55,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:11:49" (2/3) ...
[2024-11-24 02:11:55,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d576705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:11:55, skipping insertion in model container
[2024-11-24 02:11:55,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:11:55" (3/3) ...
[2024-11-24 02:11:55,696 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.krebs.1.prop1-func-interl.c
[2024-11-24 02:11:55,713 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 02:11:55,715 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.krebs.1.prop1-func-interl.c that has 1 procedures, 1078 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 02:11:55,830 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 02:11:55,848 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;@3d67adb6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 02:11:55,849 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 02:11:55,861 INFO L276 IsEmpty]: Start isEmpty. Operand has 1078 states, 1076 states have (on average 1.5065055762081785) internal successors, (1621), 1077 states have internal predecessors, (1621), 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 02:11:55,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88
[2024-11-24 02:11:55,872 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:11:55,873 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, 1, 1, 1, 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 02:11:55,874 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:11:55,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:11:55,880 INFO L85 PathProgramCache]: Analyzing trace with hash 155026089, now seen corresponding path program 1 times
[2024-11-24 02:11:55,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:11:55,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849074291]
[2024-11-24 02:11:55,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:11:55,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:11:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:11:57,359 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 02:11:57,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:11:57,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849074291]
[2024-11-24 02:11:57,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849074291] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:11:57,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:11:57,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 02:11:57,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109292295]
[2024-11-24 02:11:57,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:11:57,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 02:11:57,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:11:57,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 02:11:57,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 02:11:57,406 INFO L87 Difference]: Start difference. First operand has 1078 states, 1076 states have (on average 1.5065055762081785) internal successors, (1621), 1077 states have internal predecessors, (1621), 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 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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 02:11:57,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:11:57,645 INFO L93 Difference]: Finished difference Result 2049 states and 3085 transitions.
[2024-11-24 02:11:57,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 02:11:57,648 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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 87
[2024-11-24 02:11:57,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:11:57,678 INFO L225 Difference]: With dead ends: 2049
[2024-11-24 02:11:57,682 INFO L226 Difference]: Without dead ends: 1077
[2024-11-24 02:11:57,692 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 02:11:57,699 INFO L435 NwaCegarLoop]: 1615 mSDtfsCounter, 0 mSDsluCounter, 3224 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4839 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 02:11:57,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4839 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 02:11:57,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states.
[2024-11-24 02:11:57,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 1077.
[2024-11-24 02:11:57,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1077 states, 1076 states have (on average 1.504646840148699) internal successors, (1619), 1076 states have internal predecessors, (1619), 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 02:11:57,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 1077 states and 1619 transitions.
[2024-11-24 02:11:57,835 INFO L78 Accepts]: Start accepts. Automaton has 1077 states and 1619 transitions. Word has length 87
[2024-11-24 02:11:57,836 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:11:57,836 INFO L471 AbstractCegarLoop]: Abstraction has 1077 states and 1619 transitions.
[2024-11-24 02:11:57,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 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 02:11:57,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 1619 transitions.
[2024-11-24 02:11:57,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89
[2024-11-24 02:11:57,843 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:11:57,843 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, 1, 1, 1, 1, 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 02:11:57,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 02:11:57,844 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:11:57,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:11:57,847 INFO L85 PathProgramCache]: Analyzing trace with hash 512537149, now seen corresponding path program 1 times
[2024-11-24 02:11:57,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:11:57,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806337906]
[2024-11-24 02:11:57,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:11:57,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:11:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:11:58,292 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 02:11:58,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:11:58,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806337906]
[2024-11-24 02:11:58,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806337906] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:11:58,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:11:58,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 02:11:58,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804706212]
[2024-11-24 02:11:58,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:11:58,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 02:11:58,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:11:58,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 02:11:58,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 02:11:58,297 INFO L87 Difference]: Start difference. First operand 1077 states and 1619 transitions. Second operand has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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 02:11:58,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:11:58,441 INFO L93 Difference]: Finished difference Result 2050 states and 3083 transitions.
[2024-11-24 02:11:58,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 02:11:58,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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 88
[2024-11-24 02:11:58,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:11:58,448 INFO L225 Difference]: With dead ends: 2050
[2024-11-24 02:11:58,449 INFO L226 Difference]: Without dead ends: 1079
[2024-11-24 02:11:58,450 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 02:11:58,453 INFO L435 NwaCegarLoop]: 1615 mSDtfsCounter, 0 mSDsluCounter, 3220 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4835 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 02:11:58,453 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4835 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 02:11:58,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states.
[2024-11-24 02:11:58,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 1079.
[2024-11-24 02:11:58,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1079 states, 1078 states have (on average 1.5037105751391466) internal successors, (1621), 1078 states have internal predecessors, (1621), 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 02:11:58,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 1079 states and 1621 transitions.
[2024-11-24 02:11:58,491 INFO L78 Accepts]: Start accepts. Automaton has 1079 states and 1621 transitions. Word has length 88
[2024-11-24 02:11:58,493 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:11:58,493 INFO L471 AbstractCegarLoop]: Abstraction has 1079 states and 1621 transitions.
[2024-11-24 02:11:58,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.0) internal successors, (88), 4 states have internal predecessors, (88), 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 02:11:58,493 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1621 transitions.
[2024-11-24 02:11:58,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90
[2024-11-24 02:11:58,498 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:11:58,498 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, 1, 1, 1, 1, 1, 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 02:11:58,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 02:11:58,499 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:11:58,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:11:58,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1905784322, now seen corresponding path program 1 times
[2024-11-24 02:11:58,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:11:58,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922237801]
[2024-11-24 02:11:58,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:11:58,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:11:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:11:58,856 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 02:11:58,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:11:58,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922237801]
[2024-11-24 02:11:58,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922237801] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:11:58,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:11:58,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 02:11:58,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754924429]
[2024-11-24 02:11:58,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:11:58,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 02:11:58,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:11:58,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 02:11:58,859 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 02:11:58,861 INFO L87 Difference]: Start difference. First operand 1079 states and 1621 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 02:11:58,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:11:58,940 INFO L93 Difference]: Finished difference Result 2054 states and 3087 transitions.
[2024-11-24 02:11:58,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 02:11:58,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 89
[2024-11-24 02:11:58,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:11:58,945 INFO L225 Difference]: With dead ends: 2054
[2024-11-24 02:11:58,946 INFO L226 Difference]: Without dead ends: 1081
[2024-11-24 02:11:58,948 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 02:11:58,952 INFO L435 NwaCegarLoop]: 1615 mSDtfsCounter, 0 mSDsluCounter, 3214 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4829 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 02:11:58,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4829 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 02:11:58,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states.
[2024-11-24 02:11:58,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1081.
[2024-11-24 02:11:58,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1081 states, 1080 states have (on average 1.5027777777777778) internal successors, (1623), 1080 states have internal predecessors, (1623), 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 02:11:58,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1623 transitions.
[2024-11-24 02:11:58,987 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1623 transitions. Word has length 89
[2024-11-24 02:11:58,988 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:11:58,988 INFO L471 AbstractCegarLoop]: Abstraction has 1081 states and 1623 transitions.
[2024-11-24 02:11:58,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 02:11:58,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1623 transitions.
[2024-11-24 02:11:58,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91
[2024-11-24 02:11:58,992 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:11:58,992 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, 1, 1, 1, 1, 1, 1, 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 02:11:58,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 02:11:58,992 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:11:58,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:11:58,993 INFO L85 PathProgramCache]: Analyzing trace with hash -141340828, now seen corresponding path program 1 times
[2024-11-24 02:11:58,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:11:58,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059700441]
[2024-11-24 02:11:58,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:11:58,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:11:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:11:59,317 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 02:11:59,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:11:59,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059700441]
[2024-11-24 02:11:59,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059700441] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:11:59,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:11:59,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 02:11:59,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205819099]
[2024-11-24 02:11:59,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:11:59,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 02:11:59,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:11:59,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 02:11:59,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 02:11:59,322 INFO L87 Difference]: Start difference. First operand 1081 states and 1623 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 02:11:59,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:11:59,410 INFO L93 Difference]: Finished difference Result 2064 states and 3099 transitions.
[2024-11-24 02:11:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 02:11:59,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 90
[2024-11-24 02:11:59,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:11:59,415 INFO L225 Difference]: With dead ends: 2064
[2024-11-24 02:11:59,415 INFO L226 Difference]: Without dead ends: 1089
[2024-11-24 02:11:59,417 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 02:11:59,419 INFO L435 NwaCegarLoop]: 1615 mSDtfsCounter, 3 mSDsluCounter, 3214 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 4829 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 02:11:59,419 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 4829 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 02:11:59,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states.
[2024-11-24 02:11:59,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1085.
[2024-11-24 02:11:59,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1085 states, 1084 states have (on average 1.5027675276752768) internal successors, (1629), 1084 states have internal predecessors, (1629), 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 02:11:59,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1629 transitions.
[2024-11-24 02:11:59,457 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1629 transitions. Word has length 90
[2024-11-24 02:11:59,458 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:11:59,458 INFO L471 AbstractCegarLoop]: Abstraction has 1085 states and 1629 transitions.
[2024-11-24 02:11:59,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 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 02:11:59,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1629 transitions.
[2024-11-24 02:11:59,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92
[2024-11-24 02:11:59,460 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:11:59,460 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, 1, 1, 1, 1, 1, 1, 1, 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 02:11:59,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 02:11:59,461 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:11:59,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:11:59,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1027595355, now seen corresponding path program 1 times
[2024-11-24 02:11:59,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:11:59,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41626706]
[2024-11-24 02:11:59,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:11:59,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:11:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:11:59,956 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 02:11:59,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:11:59,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41626706]
[2024-11-24 02:11:59,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41626706] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:11:59,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:11:59,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 02:11:59,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897639090]
[2024-11-24 02:11:59,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:11:59,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 02:11:59,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:11:59,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 02:11:59,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 02:11:59,958 INFO L87 Difference]: Start difference. First operand 1085 states and 1629 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 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 02:12:01,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:12:01,495 INFO L93 Difference]: Finished difference Result 3027 states and 4547 transitions.
[2024-11-24 02:12:01,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 02:12:01,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 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 91
[2024-11-24 02:12:01,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:12:01,504 INFO L225 Difference]: With dead ends: 3027
[2024-11-24 02:12:01,504 INFO L226 Difference]: Without dead ends: 2048
[2024-11-24 02:12:01,506 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-24 02:12:01,508 INFO L435 NwaCegarLoop]: 1291 mSDtfsCounter, 1521 mSDsluCounter, 3741 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1521 SdHoareTripleChecker+Valid, 5032 SdHoareTripleChecker+Invalid, 1280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-24 02:12:01,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1521 Valid, 5032 Invalid, 1280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-24 02:12:01,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2048 states.
[2024-11-24 02:12:01,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2048 to 1132.
[2024-11-24 02:12:01,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 1131 states have (on average 1.5013262599469497) internal successors, (1698), 1131 states have internal predecessors, (1698), 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 02:12:01,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1698 transitions.
[2024-11-24 02:12:01,586 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1698 transitions. Word has length 91
[2024-11-24 02:12:01,587 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:12:01,587 INFO L471 AbstractCegarLoop]: Abstraction has 1132 states and 1698 transitions.
[2024-11-24 02:12:01,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 5 states have internal predecessors, (91), 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 02:12:01,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1698 transitions.
[2024-11-24 02:12:01,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2024-11-24 02:12:01,588 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:12:01,588 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:12:01,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-24 02:12:01,589 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:12:01,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:12:01,590 INFO L85 PathProgramCache]: Analyzing trace with hash 2024669639, now seen corresponding path program 1 times
[2024-11-24 02:12:01,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:12:01,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649033401]
[2024-11-24 02:12:01,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:12:01,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:12:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:12:02,117 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 02:12:02,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 02:12:02,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649033401]
[2024-11-24 02:12:02,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649033401] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:12:02,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:12:02,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 02:12:02,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901973242]
[2024-11-24 02:12:02,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:12:02,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 02:12:02,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 02:12:02,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 02:12:02,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-24 02:12:02,119 INFO L87 Difference]: Start difference. First operand 1132 states and 1698 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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 02:12:03,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:12:03,147 INFO L93 Difference]: Finished difference Result 2111 states and 3169 transitions.
[2024-11-24 02:12:03,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 02:12:03,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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 92
[2024-11-24 02:12:03,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:12:03,152 INFO L225 Difference]: With dead ends: 2111
[2024-11-24 02:12:03,152 INFO L226 Difference]: Without dead ends: 1132
[2024-11-24 02:12:03,154 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 02:12:03,155 INFO L435 NwaCegarLoop]: 1281 mSDtfsCounter, 1534 mSDsluCounter, 2551 mSDsCounter, 0 mSdLazyCounter, 1004 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1534 SdHoareTripleChecker+Valid, 3832 SdHoareTripleChecker+Invalid, 1005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-24 02:12:03,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1534 Valid, 3832 Invalid, 1005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1004 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-24 02:12:03,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1132 states.
[2024-11-24 02:12:03,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1132 to 1132.
[2024-11-24 02:12:03,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1132 states, 1131 states have (on average 1.497789566755084) internal successors, (1694), 1131 states have internal predecessors, (1694), 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 02:12:03,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 1132 states and 1694 transitions.
[2024-11-24 02:12:03,186 INFO L78 Accepts]: Start accepts. Automaton has 1132 states and 1694 transitions. Word has length 92
[2024-11-24 02:12:03,186 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:12:03,186 INFO L471 AbstractCegarLoop]: Abstraction has 1132 states and 1694 transitions.
[2024-11-24 02:12:03,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 5 states have internal predecessors, (92), 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 02:12:03,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1694 transitions.
[2024-11-24 02:12:03,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94
[2024-11-24 02:12:03,187 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:12:03,187 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:12:03,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-24 02:12:03,188 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:12:03,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:12:03,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1340403812, now seen corresponding path program 1 times
[2024-11-24 02:12:03,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 02:12:03,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244126610]
[2024-11-24 02:12:03,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:12:03,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 02:12:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:12:03,252 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 02:12:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 02:12:03,375 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 02:12:03,376 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 02:12:03,377 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-24 02:12:03,379 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-24 02:12:03,382 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:12:03,494 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 02:12:03,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:12:03 BoogieIcfgContainer
[2024-11-24 02:12:03,498 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 02:12:03,498 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 02:12:03,498 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 02:12:03,498 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 02:12:03,499 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:11:55" (3/4) ...
[2024-11-24 02:12:03,502 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-11-24 02:12:03,503 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 02:12:03,503 INFO L158 Benchmark]: Toolchain (without parser) took 14774.25ms. Allocated memory was 117.4MB in the beginning and 385.9MB in the end (delta: 268.4MB). Free memory was 90.0MB in the beginning and 93.5MB in the end (delta: -3.5MB). Peak memory consumption was 263.1MB. Max. memory is 16.1GB.
[2024-11-24 02:12:03,504 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:12:03,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 853.14ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 43.2MB in the end (delta: 46.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
[2024-11-24 02:12:03,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 525.57ms. Allocated memory was 117.4MB in the beginning and 134.2MB in the end (delta: 16.8MB). Free memory was 43.2MB in the beginning and 60.2MB in the end (delta: -16.9MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB.
[2024-11-24 02:12:03,505 INFO L158 Benchmark]: Boogie Preprocessor took 672.18ms. Allocated memory was 134.2MB in the beginning and 310.4MB in the end (delta: 176.2MB). Free memory was 60.2MB in the beginning and 213.9MB in the end (delta: -153.8MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB.
[2024-11-24 02:12:03,505 INFO L158 Benchmark]: RCFGBuilder took 4891.68ms. Allocated memory is still 310.4MB. Free memory was 213.6MB in the beginning and 159.5MB in the end (delta: 54.2MB). Peak memory consumption was 146.5MB. Max. memory is 16.1GB.
[2024-11-24 02:12:03,505 INFO L158 Benchmark]: TraceAbstraction took 7813.67ms. Allocated memory was 310.4MB in the beginning and 385.9MB in the end (delta: 75.5MB). Free memory was 159.5MB in the beginning and 93.5MB in the end (delta: 66.0MB). Peak memory consumption was 135.4MB. Max. memory is 16.1GB.
[2024-11-24 02:12:03,506 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 385.9MB. Free memory was 93.5MB in the beginning and 93.5MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 02:12:03,507 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 853.14ms. Allocated memory is still 117.4MB. Free memory was 90.0MB in the beginning and 43.2MB in the end (delta: 46.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 525.57ms. Allocated memory was 117.4MB in the beginning and 134.2MB in the end (delta: 16.8MB). Free memory was 43.2MB in the beginning and 60.2MB in the end (delta: -16.9MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 672.18ms. Allocated memory was 134.2MB in the beginning and 310.4MB in the end (delta: 176.2MB). Free memory was 60.2MB in the beginning and 213.9MB in the end (delta: -153.8MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB.
* RCFGBuilder took 4891.68ms. Allocated memory is still 310.4MB. Free memory was 213.6MB in the beginning and 159.5MB in the end (delta: 54.2MB). Peak memory consumption was 146.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 7813.67ms. Allocated memory was 310.4MB in the beginning and 385.9MB in the end (delta: 75.5MB). Free memory was 159.5MB in the beginning and 93.5MB in the end (delta: 66.0MB). Peak memory consumption was 135.4MB. Max. memory is 16.1GB.
* Witness Printer took 4.41ms. Allocated memory is still 385.9MB. Free memory was 93.5MB in the beginning and 93.5MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of bitwiseAnd at line 171, overapproximation of bitwiseAnd at line 173.
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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8);
[L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1);
[L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24);
[L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1);
[L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32);
[L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1);
[L38] const SORT_2 var_5 = 0;
[L39] const SORT_1 var_30 = 0;
[L40] const SORT_3 var_59 = 0;
[L41] const SORT_4 var_61 = 5;
[L42] const SORT_2 var_65 = 2;
[L43] const SORT_4 var_69 = 1;
[L44] const SORT_2 var_75 = 4;
[L45] const SORT_4 var_77 = 2;
[L46] const SORT_2 var_101 = 12;
[L47] const SORT_2 var_154 = 15;
[L48] const SORT_2 var_169 = 10;
[L50] SORT_1 input_66;
[L51] SORT_1 input_76;
[L52] SORT_1 input_82;
[L53] SORT_1 input_106;
[L54] SORT_1 input_109;
[L55] SORT_1 input_110;
[L56] SORT_1 input_126;
[L57] SORT_1 input_145;
[L58] SORT_1 input_187;
[L59] SORT_1 input_208;
[L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L61] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L62] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L62] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L63] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L64] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L64] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L65] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L66] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L66] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L67] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L68] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L69] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L70] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L71] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L72] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L73] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L74] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L75] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L76] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L77] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L78] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L79] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L80] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L81] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L82] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L83] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L84] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L85] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=12, var_154=15, var_169=10, var_30=0, var_59=0, var_5=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L86] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L88] SORT_2 init_7_arg_1 = var_5;
[L89] state_6 = init_7_arg_1
[L90] SORT_2 init_9_arg_1 = var_5;
[L91] state_8 = init_9_arg_1
[L92] SORT_2 init_11_arg_1 = var_5;
[L93] state_10 = init_11_arg_1
[L94] SORT_2 init_13_arg_1 = var_5;
[L95] state_12 = init_13_arg_1
[L96] SORT_2 init_15_arg_1 = var_5;
[L97] state_14 = init_15_arg_1
[L98] SORT_2 init_17_arg_1 = var_5;
[L99] state_16 = init_17_arg_1
[L100] SORT_2 init_19_arg_1 = var_5;
[L101] state_18 = init_19_arg_1
[L102] SORT_2 init_21_arg_1 = var_5;
[L103] state_20 = init_21_arg_1
[L104] SORT_2 init_23_arg_1 = var_5;
[L105] state_22 = init_23_arg_1
[L106] SORT_2 init_25_arg_1 = var_5;
[L107] state_24 = init_25_arg_1
[L108] SORT_2 init_27_arg_1 = var_5;
[L109] state_26 = init_27_arg_1
[L110] SORT_2 init_29_arg_1 = var_5;
[L111] state_28 = init_29_arg_1
[L112] SORT_1 init_32_arg_1 = var_30;
[L113] state_31 = init_32_arg_1
[L114] SORT_1 init_34_arg_1 = var_30;
[L115] state_33 = init_34_arg_1
[L116] SORT_1 init_36_arg_1 = var_30;
[L117] state_35 = init_36_arg_1
[L118] SORT_1 init_38_arg_1 = var_30;
[L119] state_37 = init_38_arg_1
[L120] SORT_1 init_40_arg_1 = var_30;
[L121] state_39 = init_40_arg_1
[L122] SORT_1 init_42_arg_1 = var_30;
[L123] state_41 = init_42_arg_1
[L124] SORT_1 init_44_arg_1 = var_30;
[L125] state_43 = init_44_arg_1
[L126] SORT_1 init_46_arg_1 = var_30;
[L127] state_45 = init_46_arg_1
[L128] SORT_1 init_48_arg_1 = var_30;
[L129] state_47 = init_48_arg_1
[L130] SORT_1 init_50_arg_1 = var_30;
[L131] state_49 = init_50_arg_1
[L132] SORT_1 init_52_arg_1 = var_30;
[L133] state_51 = init_52_arg_1
[L134] SORT_1 init_54_arg_1 = var_30;
[L135] state_53 = init_54_arg_1
[L136] SORT_1 init_56_arg_1 = var_30;
[L137] state_55 = init_56_arg_1
[L138] SORT_1 init_58_arg_1 = var_30;
[L139] state_57 = init_58_arg_1
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L142] input_66 = __VERIFIER_nondet_uchar()
[L143] EXPR input_66 & mask_SORT_1
VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L143] input_66 = input_66 & mask_SORT_1
[L144] input_76 = __VERIFIER_nondet_uchar()
[L145] EXPR input_76 & mask_SORT_1
VAL [input_66=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L145] input_76 = input_76 & mask_SORT_1
[L146] input_82 = __VERIFIER_nondet_uchar()
[L147] EXPR input_82 & mask_SORT_1
VAL [input_66=0, input_76=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L147] input_82 = input_82 & mask_SORT_1
[L148] input_106 = __VERIFIER_nondet_uchar()
[L149] EXPR input_106 & mask_SORT_1
VAL [input_66=0, input_76=0, input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L149] input_106 = input_106 & mask_SORT_1
[L150] input_109 = __VERIFIER_nondet_uchar()
[L151] EXPR input_109 & mask_SORT_1
VAL [input_106=0, input_66=0, input_76=0, input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L151] input_109 = input_109 & mask_SORT_1
[L152] input_110 = __VERIFIER_nondet_uchar()
[L153] EXPR input_110 & mask_SORT_1
VAL [input_106=0, input_109=0, input_66=0, input_76=0, input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L153] input_110 = input_110 & mask_SORT_1
[L154] input_126 = __VERIFIER_nondet_uchar()
[L155] EXPR input_126 & mask_SORT_1
VAL [input_106=0, input_109=0, input_110=0, input_66=0, input_76=0, input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L155] input_126 = input_126 & mask_SORT_1
[L156] input_145 = __VERIFIER_nondet_uchar()
[L157] EXPR input_145 & mask_SORT_1
VAL [input_106=0, input_109=0, input_110=0, input_126=0, input_66=0, input_76=0, input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L157] input_145 = input_145 & mask_SORT_1
[L158] input_187 = __VERIFIER_nondet_uchar()
[L159] EXPR input_187 & mask_SORT_1
VAL [input_106=0, input_109=0, input_110=0, input_126=0, input_145=0, input_66=0, input_76=0, input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L159] input_187 = input_187 & mask_SORT_1
[L160] input_208 = __VERIFIER_nondet_uchar()
[L163] SORT_3 var_60_arg_0 = var_59;
[L164] SORT_2 var_60_arg_1 = state_28;
VAL [input_106=0, input_109=0, input_110=0, input_126=0, input_145=0, input_187=0, input_66=0, input_76=0, input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_60_arg_0=0, var_60_arg_1=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L165] EXPR ((SORT_4)var_60_arg_0 << 8) | var_60_arg_1
VAL [input_106=0, input_109=0, input_110=0, input_126=0, input_145=0, input_187=0, input_66=0, input_76=0, input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L165] SORT_4 var_60 = ((SORT_4)var_60_arg_0 << 8) | var_60_arg_1;
[L166] EXPR var_60 & mask_SORT_4
VAL [input_106=0, input_109=0, input_110=0, input_126=0, input_145=0, input_187=0, input_66=0, input_76=0, input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L166] var_60 = var_60 & mask_SORT_4
[L167] SORT_4 var_62_arg_0 = var_60;
[L168] SORT_4 var_62_arg_1 = var_61;
[L169] SORT_1 var_62 = var_62_arg_0 <= var_62_arg_1;
[L170] SORT_1 var_63_arg_0 = ~state_57;
VAL [input_106=0, input_109=0, input_110=0, input_126=0, input_145=0, input_187=0, input_66=0, input_76=0, input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_60=0, var_61=5, var_62=1, var_63_arg_0=-1, var_65=2, var_69=1, var_75=4, var_77=2]
[L171] EXPR var_63_arg_0 & mask_SORT_1
VAL [input_106=0, input_109=0, input_110=0, input_126=0, input_145=0, input_187=0, input_66=0, input_76=0, input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_60=0, var_61=5, var_62=1, var_65=2, var_69=1, var_75=4, var_77=2]
[L171] var_63_arg_0 = var_63_arg_0 & mask_SORT_1
[L172] SORT_1 var_63_arg_1 = ~var_62;
VAL [input_106=0, input_109=0, input_110=0, input_126=0, input_145=0, input_187=0, input_66=0, input_76=0, input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_60=0, var_61=5, var_63_arg_0=1, var_63_arg_1=-2, var_65=2, var_69=1, var_75=4, var_77=2]
[L173] EXPR var_63_arg_1 & mask_SORT_1
VAL [input_106=0, input_109=0, input_110=0, input_126=0, input_145=0, input_187=0, input_66=0, input_76=0, input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_60=0, var_61=5, var_63_arg_0=1, var_65=2, var_69=1, var_75=4, var_77=2]
[L173] var_63_arg_1 = var_63_arg_1 & mask_SORT_1
[L174] EXPR var_63_arg_0 & var_63_arg_1
VAL [input_106=0, input_109=0, input_110=0, input_126=0, input_145=0, input_187=0, input_66=0, input_76=0, input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_60=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L174] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1;
[L175] EXPR var_63 & mask_SORT_1
VAL [input_106=0, input_109=0, input_110=0, input_126=0, input_145=0, input_187=0, input_66=0, input_76=0, input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_6=0, state_8=0, var_101=12, var_154=15, var_169=10, var_59=0, var_60=0, var_61=5, var_65=2, var_69=1, var_75=4, var_77=2]
[L175] var_63 = var_63 & mask_SORT_1
[L176] SORT_1 bad_64_arg_0 = var_63;
[L177] CALL __VERIFIER_assert(!(bad_64_arg_0))
[L21] COND TRUE !(cond)
[L21] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 1078 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.6s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3058 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3058 mSDsluCounter, 28196 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19164 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2351 IncrementalHoareTripleChecker+Invalid, 2353 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 9032 mSDtfsCounter, 2351 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1132occurred in iteration=5, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 920 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 630 NumberOfCodeBlocks, 630 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 531 ConstructedInterpolants, 0 QuantifiedInterpolants, 1222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 02:12:03,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/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_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/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_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/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 2e2a2cb2c4789cd68b1190dca921718c27be66a014c5b9afd684fc837ce3e158
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 02:12:06,186 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 02:12:06,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2024-11-24 02:12:06,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 02:12:06,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 02:12:06,375 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 02:12:06,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 02:12:06,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 02:12:06,378 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 02:12:06,378 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 02:12:06,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 02:12:06,379 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 02:12:06,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 02:12:06,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 02:12:06,380 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 02:12:06,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 02:12:06,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 02:12:06,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 02:12:06,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 02:12:06,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 02:12:06,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 02:12:06,383 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-24 02:12:06,383 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-24 02:12:06,383 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-24 02:12:06,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 02:12:06,383 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 02:12:06,383 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 02:12:06,383 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 02:12:06,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 02:12:06,385 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 02:12:06,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 02:12:06,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:12:06,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 02:12:06,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 02:12:06,385 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 02:12:06,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 02:12:06,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:12:06,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 02:12:06,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 02:12:06,387 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 02:12:06,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 02:12:06,387 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-24 02:12:06,387 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-24 02:12:06,387 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 02:12:06,388 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 02:12:06,388 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 02:12:06,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 02:12:06,388 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_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/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 -> 2e2a2cb2c4789cd68b1190dca921718c27be66a014c5b9afd684fc837ce3e158
[2024-11-24 02:12:06,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 02:12:06,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 02:12:06,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 02:12:06,734 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 02:12:06,735 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 02:12:06,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-func-interl.c
[2024-11-24 02:12:09,866 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/data/6dc1cf0bd/af70c4738ed84518acec7947a06ea19a/FLAGb08bd10ba
[2024-11-24 02:12:10,245 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 02:12:10,245 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-func-interl.c
[2024-11-24 02:12:10,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/data/6dc1cf0bd/af70c4738ed84518acec7947a06ea19a/FLAGb08bd10ba
[2024-11-24 02:12:10,277 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/data/6dc1cf0bd/af70c4738ed84518acec7947a06ea19a
[2024-11-24 02:12:10,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 02:12:10,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 02:12:10,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 02:12:10,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 02:12:10,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 02:12:10,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:12:10" (1/1) ...
[2024-11-24 02:12:10,290 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82e7822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:10, skipping insertion in model container
[2024-11-24 02:12:10,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:12:10" (1/1) ...
[2024-11-24 02:12:10,334 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 02:12:10,522 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_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-func-interl.c[1172,1185]
[2024-11-24 02:12:10,864 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:12:10,888 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 02:12:10,907 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_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.1.prop1-func-interl.c[1172,1185]
[2024-11-24 02:12:11,071 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 02:12:11,128 INFO L204 MainTranslator]: Completed translation
[2024-11-24 02:12:11,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:11 WrapperNode
[2024-11-24 02:12:11,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 02:12:11,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 02:12:11,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 02:12:11,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 02:12:11,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:11" (1/1) ...
[2024-11-24 02:12:11,160 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:11" (1/1) ...
[2024-11-24 02:12:11,258 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1115
[2024-11-24 02:12:11,259 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 02:12:11,259 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 02:12:11,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 02:12:11,260 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 02:12:11,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:11" (1/1) ...
[2024-11-24 02:12:11,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:11" (1/1) ...
[2024-11-24 02:12:11,304 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:11" (1/1) ...
[2024-11-24 02:12:11,355 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 02:12:11,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:11" (1/1) ...
[2024-11-24 02:12:11,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:11" (1/1) ...
[2024-11-24 02:12:11,398 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:11" (1/1) ...
[2024-11-24 02:12:11,400 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:11" (1/1) ...
[2024-11-24 02:12:11,405 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:11" (1/1) ...
[2024-11-24 02:12:11,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:11" (1/1) ...
[2024-11-24 02:12:11,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:11" (1/1) ...
[2024-11-24 02:12:11,433 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 02:12:11,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 02:12:11,437 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 02:12:11,437 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 02:12:11,443 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:11" (1/1) ...
[2024-11-24 02:12:11,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 02:12:11,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 02:12:11,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 02:12:11,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 02:12:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 02:12:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-24 02:12:11,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 02:12:11,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 02:12:11,884 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 02:12:11,886 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 02:12:13,336 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live.
[2024-11-24 02:12:13,336 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 02:12:13,345 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 02:12:13,345 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 02:12:13,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:12:13 BoogieIcfgContainer
[2024-11-24 02:12:13,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 02:12:13,350 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 02:12:13,351 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 02:12:13,356 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 02:12:13,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:12:10" (1/3) ...
[2024-11-24 02:12:13,358 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@442eec13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:12:13, skipping insertion in model container
[2024-11-24 02:12:13,358 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:12:11" (2/3) ...
[2024-11-24 02:12:13,359 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@442eec13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:12:13, skipping insertion in model container
[2024-11-24 02:12:13,359 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:12:13" (3/3) ...
[2024-11-24 02:12:13,360 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.krebs.1.prop1-func-interl.c
[2024-11-24 02:12:13,378 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 02:12:13,380 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.krebs.1.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 02:12:13,441 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 02:12:13,461 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;@5d515dad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 02:12:13,462 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 02:12:13,466 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 02:12:13,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-11-24 02:12:13,472 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:12:13,473 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-11-24 02:12:13,473 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:12:13,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:12:13,480 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times
[2024-11-24 02:12:13,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 02:12:13,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [802702968]
[2024-11-24 02:12:13,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:12:13,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 02:12:13,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 02:12:13,501 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 02:12:13,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 02:12:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:12:13,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-11-24 02:12:13,890 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 02:12:14,090 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 02:12:14,090 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 02:12:14,091 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 02:12:14,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802702968]
[2024-11-24 02:12:14,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802702968] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 02:12:14,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 02:12:14,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 02:12:14,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225258077]
[2024-11-24 02:12:14,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 02:12:14,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 02:12:14,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 02:12:14,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 02:12:14,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 02:12:14,122 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 02:12:14,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:12:14,235 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions.
[2024-11-24 02:12:14,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 02:12:14,238 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 02:12:14,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:12:14,244 INFO L225 Difference]: With dead ends: 18
[2024-11-24 02:12:14,245 INFO L226 Difference]: Without dead ends: 10
[2024-11-24 02:12:14,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-24 02:12:14,251 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 02:12:14,251 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 02:12:14,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states.
[2024-11-24 02:12:14,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9.
[2024-11-24 02:12:14,277 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 02:12:14,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions.
[2024-11-24 02:12:14,282 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5
[2024-11-24 02:12:14,282 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:12:14,282 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions.
[2024-11-24 02:12:14,282 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 02:12:14,282 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions.
[2024-11-24 02:12:14,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2024-11-24 02:12:14,283 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:12:14,283 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2024-11-24 02:12:14,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-24 02:12:14,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 02:12:14,488 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:12:14,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:12:14,489 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times
[2024-11-24 02:12:14,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 02:12:14,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1662834448]
[2024-11-24 02:12:14,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 02:12:14,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 02:12:14,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 02:12:14,492 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 02:12:14,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 02:12:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 02:12:14,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 25 conjuncts are in the unsatisfiable core
[2024-11-24 02:12:14,937 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 02:12:15,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:12:15,567 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 02:12:30,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 02:12:30,527 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 02:12:30,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662834448]
[2024-11-24 02:12:30,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662834448] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 02:12:30,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-24 02:12:30,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12
[2024-11-24 02:12:30,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397348361]
[2024-11-24 02:12:30,528 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-24 02:12:30,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-24 02:12:30,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 02:12:30,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-24 02:12:30,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=88, Unknown=3, NotChecked=0, Total=132
[2024-11-24 02:12:30,531 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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 02:12:32,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 02:12:32,983 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions.
[2024-11-24 02:12:32,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-24 02:12:32,984 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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 8
[2024-11-24 02:12:32,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 02:12:32,984 INFO L225 Difference]: With dead ends: 18
[2024-11-24 02:12:32,984 INFO L226 Difference]: Without dead ends: 16
[2024-11-24 02:12:32,985 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 16.4s TimeCoverageRelationStatistics Valid=92, Invalid=177, Unknown=3, NotChecked=0, Total=272
[2024-11-24 02:12:32,986 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-24 02:12:32,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 19 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-24 02:12:32,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2024-11-24 02:12:32,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15.
[2024-11-24 02:12:32,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 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 02:12:32,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions.
[2024-11-24 02:12:32,992 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8
[2024-11-24 02:12:32,992 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 02:12:32,992 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions.
[2024-11-24 02:12:32,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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 02:12:32,992 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions.
[2024-11-24 02:12:32,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-24 02:12:32,993 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 02:12:32,993 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1]
[2024-11-24 02:12:33,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-24 02:12:33,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 02:12:33,198 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 02:12:33,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 02:12:33,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1333570723, now seen corresponding path program 2 times
[2024-11-24 02:12:33,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 02:12:33,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [574874103]
[2024-11-24 02:12:33,200 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-24 02:12:33,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 02:12:33,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 02:12:33,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 02:12:33,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627e2ac3-7394-4616-a2a1-7b9afb0aa08e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-24 02:12:33,775 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-24 02:12:33,775 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-24 02:12:33,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 42 conjuncts are in the unsatisfiable core
[2024-11-24 02:12:33,805 INFO L279 TraceCheckSpWp]: Computing forward predicates...