./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c --full-output --architecture 64bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 0e0057cc
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya --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 4bdfff36879874a6399b96a47b24759f6fa08750adc90ba43c136ab307fb0948
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-29 03:41:34,904 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-29 03:41:34,970 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf
[2023-11-29 03:41:34,975 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-29 03:41:34,976 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-29 03:41:35,002 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-29 03:41:35,003 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-29 03:41:35,003 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-29 03:41:35,004 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-29 03:41:35,005 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-11-29 03:41:35,005 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-29 03:41:35,006 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-29 03:41:35,006 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-29 03:41:35,007 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-29 03:41:35,007 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-29 03:41:35,008 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-29 03:41:35,008 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-29 03:41:35,009 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-29 03:41:35,009 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-29 03:41:35,010 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-29 03:41:35,010 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-29 03:41:35,015 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-29 03:41:35,016 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-29 03:41:35,016 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-29 03:41:35,017 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-29 03:41:35,017 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-29 03:41:35,017 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-11-29 03:41:35,018 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-29 03:41:35,018 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-29 03:41:35,019 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-29 03:41:35,019 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-29 03:41:35,019 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-29 03:41:35,019 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-29 03:41:35,020 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-29 03:41:35,020 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-29 03:41:35,020 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-29 03:41:35,020 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-29 03:41:35,020 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-29 03:41:35,021 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-29 03:41:35,021 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya
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 -> 4bdfff36879874a6399b96a47b24759f6fa08750adc90ba43c136ab307fb0948
[2023-11-29 03:41:35,247 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-29 03:41:35,270 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-29 03:41:35,273 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-29 03:41:35,274 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-29 03:41:35,275 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-29 03:41:35,276 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c
[2023-11-29 03:41:38,007 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-29 03:41:38,265 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-29 03:41:38,266 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c
[2023-11-29 03:41:38,281 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/data/cc5d6af68/1b23ddbce2d544b2a4ca641fcd633968/FLAG4e4060170
[2023-11-29 03:41:38,296 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/data/cc5d6af68/1b23ddbce2d544b2a4ca641fcd633968
[2023-11-29 03:41:38,298 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-29 03:41:38,300 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-29 03:41:38,301 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-29 03:41:38,302 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-29 03:41:38,306 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-29 03:41:38,307 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:41:38" (1/1) ...
[2023-11-29 03:41:38,308 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@657972aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:38, skipping insertion in model container
[2023-11-29 03:41:38,308 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:41:38" (1/1) ...
[2023-11-29 03:41:38,375 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-29 03:41:38,543 WARN  L240   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_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c[1175,1188]
[2023-11-29 03:41:38,824 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-29 03:41:38,835 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-29 03:41:38,847 WARN  L240   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_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c[1175,1188]
[2023-11-29 03:41:38,984 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-29 03:41:38,999 INFO  L206         MainTranslator]: Completed translation
[2023-11-29 03:41:38,999 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:38 WrapperNode
[2023-11-29 03:41:38,999 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-29 03:41:39,000 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-29 03:41:39,001 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-29 03:41:39,001 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-29 03:41:39,008 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:38" (1/1) ...
[2023-11-29 03:41:39,062 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:38" (1/1) ...
[2023-11-29 03:41:39,611 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5332
[2023-11-29 03:41:39,611 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-29 03:41:39,612 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-29 03:41:39,612 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-29 03:41:39,613 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-29 03:41:39,624 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:38" (1/1) ...
[2023-11-29 03:41:39,625 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:38" (1/1) ...
[2023-11-29 03:41:39,778 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:38" (1/1) ...
[2023-11-29 03:41:39,939 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].
[2023-11-29 03:41:39,940 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:38" (1/1) ...
[2023-11-29 03:41:39,940 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:38" (1/1) ...
[2023-11-29 03:41:40,045 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:38" (1/1) ...
[2023-11-29 03:41:40,082 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:38" (1/1) ...
[2023-11-29 03:41:40,111 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:38" (1/1) ...
[2023-11-29 03:41:40,128 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:38" (1/1) ...
[2023-11-29 03:41:40,250 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-29 03:41:40,251 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-29 03:41:40,251 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-29 03:41:40,251 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-29 03:41:40,252 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:38" (1/1) ...
[2023-11-29 03:41:40,258 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-29 03:41:40,269 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/z3
[2023-11-29 03:41:40,285 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-11-29 03:41:40,287 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-11-29 03:41:40,313 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-29 03:41:40,313 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-29 03:41:40,314 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-29 03:41:40,314 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-29 03:41:40,625 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-29 03:41:40,627 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-29 03:41:44,422 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-29 03:41:44,522 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-29 03:41:44,523 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-29 03:41:44,524 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:41:44 BoogieIcfgContainer
[2023-11-29 03:41:44,524 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-29 03:41:44,526 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-29 03:41:44,526 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-29 03:41:44,529 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-29 03:41:44,530 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:41:38" (1/3) ...
[2023-11-29 03:41:44,531 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229dc88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:41:44, skipping insertion in model container
[2023-11-29 03:41:44,531 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:38" (2/3) ...
[2023-11-29 03:41:44,531 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229dc88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:41:44, skipping insertion in model container
[2023-11-29 03:41:44,531 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:41:44" (3/3) ...
[2023-11-29 03:41:44,532 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.2.prop1-func-interl.c
[2023-11-29 03:41:44,550 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-29 03:41:44,551 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-29 03:41:44,625 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-29 03:41:44,632 INFO  L357      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, mHoare=true, 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;@4181a82, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-29 03:41:44,632 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-29 03:41:44,641 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 1228 states, 1226 states have (on average 1.67047308319739) internal successors, (2048), 1227 states have internal predecessors, (2048), 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)
[2023-11-29 03:41:44,651 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2023-11-29 03:41:44,651 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 03:41:44,652 INFO  L195           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]
[2023-11-29 03:41:44,653 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 03:41:44,658 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 03:41:44,658 INFO  L85        PathProgramCache]: Analyzing trace with hash 544382184, now seen corresponding path program 1 times
[2023-11-29 03:41:44,667 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 03:41:44,668 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372286773]
[2023-11-29 03:41:44,668 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 03:41:44,668 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 03:41:44,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 03:41:45,433 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 03:41:45,434 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 03:41:45,434 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372286773]
[2023-11-29 03:41:45,435 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372286773] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 03:41:45,435 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 03:41:45,435 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 03:41:45,437 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194824617]
[2023-11-29 03:41:45,437 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 03:41:45,442 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 03:41:45,442 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 03:41:45,473 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 03:41:45,473 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 03:41:45,479 INFO  L87              Difference]: Start difference. First operand  has 1228 states, 1226 states have (on average 1.67047308319739) internal successors, (2048), 1227 states have internal predecessors, (2048), 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 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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)
[2023-11-29 03:41:45,634 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 03:41:45,634 INFO  L93              Difference]: Finished difference Result 2386 states and 3982 transitions.
[2023-11-29 03:41:45,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-29 03:41:45,636 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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 78
[2023-11-29 03:41:45,637 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 03:41:45,658 INFO  L225             Difference]: With dead ends: 2386
[2023-11-29 03:41:45,659 INFO  L226             Difference]: Without dead ends: 1228
[2023-11-29 03:41:45,664 INFO  L412           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
[2023-11-29 03:41:45,667 INFO  L413           NwaCegarLoop]: 2041 mSDtfsCounter, 1 mSDsluCounter, 4077 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6118 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-29 03:41:45,668 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6118 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-29 03:41:45,684 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1228 states.
[2023-11-29 03:41:45,750 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 1228.
[2023-11-29 03:41:45,754 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1228 states, 1227 states have (on average 1.667481662591687) internal successors, (2046), 1227 states have internal predecessors, (2046), 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)
[2023-11-29 03:41:45,761 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 2046 transitions.
[2023-11-29 03:41:45,763 INFO  L78                 Accepts]: Start accepts. Automaton has 1228 states and 2046 transitions. Word has length 78
[2023-11-29 03:41:45,763 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 03:41:45,763 INFO  L495      AbstractCegarLoop]: Abstraction has 1228 states and 2046 transitions.
[2023-11-29 03:41:45,764 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 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)
[2023-11-29 03:41:45,764 INFO  L276                IsEmpty]: Start isEmpty. Operand 1228 states and 2046 transitions.
[2023-11-29 03:41:45,767 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2023-11-29 03:41:45,767 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 03:41:45,767 INFO  L195           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]
[2023-11-29 03:41:45,768 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-29 03:41:45,768 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 03:41:45,769 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 03:41:45,769 INFO  L85        PathProgramCache]: Analyzing trace with hash -302296088, now seen corresponding path program 1 times
[2023-11-29 03:41:45,769 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 03:41:45,769 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374369495]
[2023-11-29 03:41:45,770 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 03:41:45,770 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 03:41:45,834 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 03:41:46,077 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 03:41:46,077 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 03:41:46,078 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374369495]
[2023-11-29 03:41:46,078 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374369495] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 03:41:46,078 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 03:41:46,078 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 03:41:46,079 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425061305]
[2023-11-29 03:41:46,079 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 03:41:46,080 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 03:41:46,081 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 03:41:46,081 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 03:41:46,082 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 03:41:46,082 INFO  L87              Difference]: Start difference. First operand 1228 states and 2046 transitions. Second operand  has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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)
[2023-11-29 03:41:46,179 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 03:41:46,179 INFO  L93              Difference]: Finished difference Result 2389 states and 3980 transitions.
[2023-11-29 03:41:46,180 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-29 03:41:46,180 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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 79
[2023-11-29 03:41:46,181 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 03:41:46,188 INFO  L225             Difference]: With dead ends: 2389
[2023-11-29 03:41:46,189 INFO  L226             Difference]: Without dead ends: 1231
[2023-11-29 03:41:46,191 INFO  L412           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
[2023-11-29 03:41:46,192 INFO  L413           NwaCegarLoop]: 2041 mSDtfsCounter, 1 mSDsluCounter, 4075 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6116 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
[2023-11-29 03:41:46,193 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6116 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-29 03:41:46,196 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1231 states.
[2023-11-29 03:41:46,218 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 1230.
[2023-11-29 03:41:46,221 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1230 states, 1229 states have (on average 1.6663954434499593) internal successors, (2048), 1229 states have internal predecessors, (2048), 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)
[2023-11-29 03:41:46,227 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 2048 transitions.
[2023-11-29 03:41:46,227 INFO  L78                 Accepts]: Start accepts. Automaton has 1230 states and 2048 transitions. Word has length 79
[2023-11-29 03:41:46,228 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 03:41:46,228 INFO  L495      AbstractCegarLoop]: Abstraction has 1230 states and 2048 transitions.
[2023-11-29 03:41:46,228 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 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)
[2023-11-29 03:41:46,228 INFO  L276                IsEmpty]: Start isEmpty. Operand 1230 states and 2048 transitions.
[2023-11-29 03:41:46,230 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2023-11-29 03:41:46,230 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 03:41:46,231 INFO  L195           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]
[2023-11-29 03:41:46,231 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-29 03:41:46,231 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 03:41:46,232 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 03:41:46,232 INFO  L85        PathProgramCache]: Analyzing trace with hash -991676158, now seen corresponding path program 1 times
[2023-11-29 03:41:46,232 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 03:41:46,232 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036976873]
[2023-11-29 03:41:46,232 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 03:41:46,232 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 03:41:46,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 03:41:46,490 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 03:41:46,491 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 03:41:46,491 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036976873]
[2023-11-29 03:41:46,491 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036976873] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 03:41:46,491 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 03:41:46,492 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 03:41:46,492 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065489910]
[2023-11-29 03:41:46,492 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 03:41:46,492 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 03:41:46,493 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 03:41:46,493 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 03:41:46,493 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 03:41:46,494 INFO  L87              Difference]: Start difference. First operand 1230 states and 2048 transitions. Second operand  has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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)
[2023-11-29 03:41:46,614 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 03:41:46,614 INFO  L93              Difference]: Finished difference Result 3540 states and 5897 transitions.
[2023-11-29 03:41:46,615 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-29 03:41:46,615 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 80
[2023-11-29 03:41:46,616 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 03:41:46,629 INFO  L225             Difference]: With dead ends: 3540
[2023-11-29 03:41:46,629 INFO  L226             Difference]: Without dead ends: 2380
[2023-11-29 03:41:46,631 INFO  L412           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
[2023-11-29 03:41:46,632 INFO  L413           NwaCegarLoop]: 2097 mSDtfsCounter, 1914 mSDsluCounter, 4127 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1914 SdHoareTripleChecker+Valid, 6224 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-29 03:41:46,633 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1914 Valid, 6224 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-29 03:41:46,637 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2380 states.
[2023-11-29 03:41:46,667 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2380 to 1232.
[2023-11-29 03:41:46,671 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1232 states, 1231 states have (on average 1.6653127538586514) internal successors, (2050), 1231 states have internal predecessors, (2050), 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)
[2023-11-29 03:41:46,676 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 2050 transitions.
[2023-11-29 03:41:46,676 INFO  L78                 Accepts]: Start accepts. Automaton has 1232 states and 2050 transitions. Word has length 80
[2023-11-29 03:41:46,677 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 03:41:46,677 INFO  L495      AbstractCegarLoop]: Abstraction has 1232 states and 2050 transitions.
[2023-11-29 03:41:46,677 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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)
[2023-11-29 03:41:46,677 INFO  L276                IsEmpty]: Start isEmpty. Operand 1232 states and 2050 transitions.
[2023-11-29 03:41:46,679 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2023-11-29 03:41:46,679 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 03:41:46,679 INFO  L195           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]
[2023-11-29 03:41:46,679 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-29 03:41:46,680 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 03:41:46,680 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 03:41:46,680 INFO  L85        PathProgramCache]: Analyzing trace with hash 922717390, now seen corresponding path program 1 times
[2023-11-29 03:41:46,680 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 03:41:46,681 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825973617]
[2023-11-29 03:41:46,681 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 03:41:46,681 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 03:41:46,757 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 03:41:46,922 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 03:41:46,922 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 03:41:46,923 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825973617]
[2023-11-29 03:41:46,923 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825973617] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 03:41:46,923 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 03:41:46,923 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 03:41:46,923 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474397278]
[2023-11-29 03:41:46,923 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 03:41:46,924 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 03:41:46,924 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 03:41:46,925 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 03:41:46,925 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 03:41:46,925 INFO  L87              Difference]: Start difference. First operand 1232 states and 2050 transitions. Second operand  has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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)
[2023-11-29 03:41:47,039 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 03:41:47,039 INFO  L93              Difference]: Finished difference Result 3546 states and 5903 transitions.
[2023-11-29 03:41:47,040 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-29 03:41:47,040 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 81
[2023-11-29 03:41:47,040 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 03:41:47,053 INFO  L225             Difference]: With dead ends: 3546
[2023-11-29 03:41:47,054 INFO  L226             Difference]: Without dead ends: 2384
[2023-11-29 03:41:47,056 INFO  L412           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
[2023-11-29 03:41:47,057 INFO  L413           NwaCegarLoop]: 2092 mSDtfsCounter, 1911 mSDsluCounter, 4122 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1911 SdHoareTripleChecker+Valid, 6214 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-29 03:41:47,057 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1911 Valid, 6214 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-29 03:41:47,062 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2384 states.
[2023-11-29 03:41:47,092 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2384 to 1235.
[2023-11-29 03:41:47,095 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1235 states, 1234 states have (on average 1.6653160453808753) internal successors, (2055), 1234 states have internal predecessors, (2055), 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)
[2023-11-29 03:41:47,100 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 2055 transitions.
[2023-11-29 03:41:47,101 INFO  L78                 Accepts]: Start accepts. Automaton has 1235 states and 2055 transitions. Word has length 81
[2023-11-29 03:41:47,101 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 03:41:47,101 INFO  L495      AbstractCegarLoop]: Abstraction has 1235 states and 2055 transitions.
[2023-11-29 03:41:47,102 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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)
[2023-11-29 03:41:47,102 INFO  L276                IsEmpty]: Start isEmpty. Operand 1235 states and 2055 transitions.
[2023-11-29 03:41:47,103 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2023-11-29 03:41:47,103 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 03:41:47,104 INFO  L195           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]
[2023-11-29 03:41:47,104 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-29 03:41:47,104 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 03:41:47,104 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 03:41:47,105 INFO  L85        PathProgramCache]: Analyzing trace with hash -535527394, now seen corresponding path program 1 times
[2023-11-29 03:41:47,105 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 03:41:47,105 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597633714]
[2023-11-29 03:41:47,105 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 03:41:47,105 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 03:41:47,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 03:41:47,620 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 03:41:47,620 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 03:41:47,620 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597633714]
[2023-11-29 03:41:47,620 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597633714] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 03:41:47,620 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 03:41:47,621 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-29 03:41:47,621 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794554655]
[2023-11-29 03:41:47,621 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 03:41:47,621 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-29 03:41:47,622 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 03:41:47,622 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-29 03:41:47,622 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-29 03:41:47,623 INFO  L87              Difference]: Start difference. First operand 1235 states and 2055 transitions. Second operand  has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 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)
[2023-11-29 03:41:49,591 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 03:41:49,591 INFO  L93              Difference]: Finished difference Result 3567 states and 5935 transitions.
[2023-11-29 03:41:49,591 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-29 03:41:49,591 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 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 82
[2023-11-29 03:41:49,592 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 03:41:49,605 INFO  L225             Difference]: With dead ends: 3567
[2023-11-29 03:41:49,605 INFO  L226             Difference]: Without dead ends: 2402
[2023-11-29 03:41:49,607 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72
[2023-11-29 03:41:49,608 INFO  L413           NwaCegarLoop]: 1598 mSDtfsCounter, 5777 mSDsluCounter, 4770 mSDsCounter, 0 mSdLazyCounter, 1960 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5777 SdHoareTripleChecker+Valid, 6368 SdHoareTripleChecker+Invalid, 1961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1960 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2023-11-29 03:41:49,608 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [5777 Valid, 6368 Invalid, 1961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1960 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2023-11-29 03:41:49,613 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2402 states.
[2023-11-29 03:41:49,642 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2402 to 1244.
[2023-11-29 03:41:49,645 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1244 states, 1243 states have (on average 1.662107803700724) internal successors, (2066), 1243 states have internal predecessors, (2066), 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)
[2023-11-29 03:41:49,650 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 2066 transitions.
[2023-11-29 03:41:49,650 INFO  L78                 Accepts]: Start accepts. Automaton has 1244 states and 2066 transitions. Word has length 82
[2023-11-29 03:41:49,651 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 03:41:49,651 INFO  L495      AbstractCegarLoop]: Abstraction has 1244 states and 2066 transitions.
[2023-11-29 03:41:49,651 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 5 states have internal predecessors, (82), 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)
[2023-11-29 03:41:49,651 INFO  L276                IsEmpty]: Start isEmpty. Operand 1244 states and 2066 transitions.
[2023-11-29 03:41:49,652 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2023-11-29 03:41:49,652 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 03:41:49,653 INFO  L195           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]
[2023-11-29 03:41:49,653 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-29 03:41:49,653 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 03:41:49,653 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 03:41:49,653 INFO  L85        PathProgramCache]: Analyzing trace with hash -928554404, now seen corresponding path program 1 times
[2023-11-29 03:41:49,654 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 03:41:49,654 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537107050]
[2023-11-29 03:41:49,654 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 03:41:49,654 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 03:41:49,710 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-29 03:41:49,710 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-29 03:41:49,757 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-29 03:41:49,825 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-29 03:41:49,825 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-11-29 03:41:49,826 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-29 03:41:49,828 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-29 03:41:49,831 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2023-11-29 03:41:49,834 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-29 03:41:49,879 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated
[2023-11-29 03:41:49,880 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated
[2023-11-29 03:41:49,881 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated
[2023-11-29 03:41:49,881 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated
[2023-11-29 03:41:49,881 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated
[2023-11-29 03:41:49,882 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated
[2023-11-29 03:41:49,882 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated
[2023-11-29 03:41:49,882 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated
[2023-11-29 03:41:49,883 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated
[2023-11-29 03:41:49,883 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated
[2023-11-29 03:41:49,883 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated
[2023-11-29 03:41:49,884 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated
[2023-11-29 03:41:49,884 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated
[2023-11-29 03:41:49,884 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated
[2023-11-29 03:41:49,885 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated
[2023-11-29 03:41:49,885 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated
[2023-11-29 03:41:49,886 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated
[2023-11-29 03:41:49,886 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated
[2023-11-29 03:41:49,886 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated
[2023-11-29 03:41:49,887 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated
[2023-11-29 03:41:49,887 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated
[2023-11-29 03:41:49,888 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated
[2023-11-29 03:41:49,888 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated
[2023-11-29 03:41:49,888 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated
[2023-11-29 03:41:49,889 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated
[2023-11-29 03:41:49,889 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated
[2023-11-29 03:41:49,890 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated
[2023-11-29 03:41:49,890 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated
[2023-11-29 03:41:49,890 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated
[2023-11-29 03:41:49,891 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated
[2023-11-29 03:41:49,891 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated
[2023-11-29 03:41:49,892 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated
[2023-11-29 03:41:49,892 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated
[2023-11-29 03:41:49,893 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated
[2023-11-29 03:41:49,893 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet39 could not be translated
[2023-11-29 03:41:49,893 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated
[2023-11-29 03:41:49,894 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet41 could not be translated
[2023-11-29 03:41:49,894 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet40 could not be translated
[2023-11-29 03:41:49,895 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet42 could not be translated
[2023-11-29 03:41:49,895 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet43 could not be translated
[2023-11-29 03:41:49,896 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet44 could not be translated
[2023-11-29 03:41:49,896 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet45 could not be translated
[2023-11-29 03:41:49,897 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet46 could not be translated
[2023-11-29 03:41:49,897 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet47 could not be translated
[2023-11-29 03:41:49,897 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated
[2023-11-29 03:41:49,898 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet48 could not be translated
[2023-11-29 03:41:49,900 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet57 could not be translated
[2023-11-29 03:41:49,900 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet59 could not be translated
[2023-11-29 03:41:49,901 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet61 could not be translated
[2023-11-29 03:41:49,902 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet63 could not be translated
[2023-11-29 03:41:49,902 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated
[2023-11-29 03:41:49,903 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet67 could not be translated
[2023-11-29 03:41:49,904 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet69 could not be translated
[2023-11-29 03:41:49,904 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet71 could not be translated
[2023-11-29 03:41:49,905 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet73 could not be translated
[2023-11-29 03:41:49,906 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet77 could not be translated
[2023-11-29 03:41:49,907 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet78 could not be translated
[2023-11-29 03:41:49,908 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated
[2023-11-29 03:41:49,908 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet80 could not be translated
[2023-11-29 03:41:49,909 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet81 could not be translated
[2023-11-29 03:41:49,910 WARN  L320   BoogieBacktranslator]: Removing null node from list of ATEs: ATE  program state null
[2023-11-29 03:41:49,931 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 03:41:49 BoogieIcfgContainer
[2023-11-29 03:41:49,931 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-29 03:41:49,932 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-29 03:41:49,932 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-29 03:41:49,932 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-29 03:41:49,933 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:41:44" (3/4) ...
[2023-11-29 03:41:49,934 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2023-11-29 03:41:49,936 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-29 03:41:49,936 INFO  L158              Benchmark]: Toolchain (without parser) took 11636.28ms. Allocated memory was 155.2MB in the beginning and 568.3MB in the end (delta: 413.1MB). Free memory was 120.1MB in the beginning and 343.7MB in the end (delta: -223.5MB). Peak memory consumption was 188.4MB. Max. memory is 16.1GB.
[2023-11-29 03:41:49,936 INFO  L158              Benchmark]: CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-29 03:41:49,937 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 698.31ms. Allocated memory is still 155.2MB. Free memory was 120.1MB in the beginning and 71.9MB in the end (delta: 48.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB.
[2023-11-29 03:41:49,937 INFO  L158              Benchmark]: Boogie Procedure Inliner took 611.30ms. Allocated memory was 155.2MB in the beginning and 266.3MB in the end (delta: 111.1MB). Free memory was 71.9MB in the beginning and 165.0MB in the end (delta: -93.1MB). Peak memory consumption was 106.2MB. Max. memory is 16.1GB.
[2023-11-29 03:41:49,937 INFO  L158              Benchmark]: Boogie Preprocessor took 638.03ms. Allocated memory is still 266.3MB. Free memory was 165.0MB in the beginning and 141.4MB in the end (delta: 23.6MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB.
[2023-11-29 03:41:49,938 INFO  L158              Benchmark]: RCFGBuilder took 4272.74ms. Allocated memory was 266.3MB in the beginning and 417.3MB in the end (delta: 151.0MB). Free memory was 141.4MB in the beginning and 191.1MB in the end (delta: -49.6MB). Peak memory consumption was 143.3MB. Max. memory is 16.1GB.
[2023-11-29 03:41:49,938 INFO  L158              Benchmark]: TraceAbstraction took 5405.05ms. Allocated memory was 417.3MB in the beginning and 568.3MB in the end (delta: 151.0MB). Free memory was 191.1MB in the beginning and 344.7MB in the end (delta: -153.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-29 03:41:49,938 INFO  L158              Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 568.3MB. Free memory was 344.7MB in the beginning and 343.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-29 03:41:49,940 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20ms. Allocated memory is still 111.1MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 698.31ms. Allocated memory is still 155.2MB. Free memory was 120.1MB in the beginning and 71.9MB in the end (delta: 48.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 611.30ms. Allocated memory was 155.2MB in the beginning and 266.3MB in the end (delta: 111.1MB). Free memory was 71.9MB in the beginning and 165.0MB in the end (delta: -93.1MB). Peak memory consumption was 106.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 638.03ms. Allocated memory is still 266.3MB. Free memory was 165.0MB in the beginning and 141.4MB in the end (delta: 23.6MB). Peak memory consumption was 83.5MB. Max. memory is 16.1GB.
 * RCFGBuilder took 4272.74ms. Allocated memory was 266.3MB in the beginning and 417.3MB in the end (delta: 151.0MB). Free memory was 141.4MB in the beginning and 191.1MB in the end (delta: -49.6MB). Peak memory consumption was 143.3MB. Max. memory is 16.1GB.
 * TraceAbstraction took 5405.05ms. Allocated memory was 417.3MB in the beginning and 568.3MB in the end (delta: 151.0MB). Free memory was 191.1MB in the beginning and 344.7MB in the end (delta: -153.6MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 3.78ms. Allocated memory is still 568.3MB. Free memory was 344.7MB in the beginning and 343.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet39 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet41 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet40 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet42 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet43 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet44 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet45 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet46 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet47 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet48 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet57 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet59 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet61 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet63 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet67 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet69 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet71 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet73 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet77 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet78 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet80 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet81 could not be translated
  - GenericResult: Unfinished Backtranslation
    The program execution was not completely translated back.
 * 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 194. 
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_20 = 0;
[L40]              const SORT_4 var_53 = 1;
[L41]              const SORT_4 var_54 = 0;
[L42]              const SORT_2 var_63 = 1;
[L43]              const SORT_3 var_65 = 0;
[L44]              const SORT_4 var_68 = 3;
[L45]              const SORT_2 var_72 = 0;
[L46]              const SORT_4 var_122 = 2;
[L47]              const SORT_2 var_125 = 2;
[L49]              SORT_1 input_64;
[L50]              SORT_1 input_74;
[L51]              SORT_1 input_76;
[L52]              SORT_1 input_83;
[L53]              SORT_1 input_85;
[L54]              SORT_1 input_92;
[L55]              SORT_1 input_143;
[L56]              SORT_1 input_147;
[L57]              SORT_1 input_150;
[L58]              SORT_1 input_151;
[L59]              SORT_1 input_152;
[L60]              SORT_1 input_153;
[L61]              SORT_1 input_161;
[L62]              SORT_1 input_167;
[L63]              SORT_1 input_173;
[L64]              SORT_1 input_188;
[L65]              SORT_1 input_206;
[L66]              SORT_1 input_224;
[L68]   EXPR       __VERIFIER_nondet_uchar() & mask_SORT_2
        VAL        [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L68]              SORT_2 state_6 = __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_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_6=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L69]              SORT_2 state_8 = __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_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L70]              SORT_2 state_10 = __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_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L71]              SORT_2 state_12 = __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_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L72]              SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L73]   EXPR       __VERIFIER_nondet_uchar() & mask_SORT_2
        VAL        [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L73]              SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L74]   EXPR       __VERIFIER_nondet_uchar() & mask_SORT_2
        VAL        [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L74]              SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2;
[L75]   EXPR       __VERIFIER_nondet_uchar() & mask_SORT_1
        VAL        [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L75]              SORT_1 state_21 = __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_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L76]              SORT_1 state_23 = __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_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L77]              SORT_1 state_25 = __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_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L78]              SORT_1 state_27 = __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_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L79]              SORT_1 state_29 = __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_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L80]              SORT_1 state_31 = __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_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L81]              SORT_1 state_33 = __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_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L82]              SORT_1 state_35 = __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_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L83]              SORT_1 state_37 = __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_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L84]              SORT_1 state_39 = __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_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L85]              SORT_1 state_41 = __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_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L86]              SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L87]   EXPR       __VERIFIER_nondet_uchar() & mask_SORT_1
        VAL        [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L87]              SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L88]   EXPR       __VERIFIER_nondet_uchar() & mask_SORT_1
        VAL        [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L88]              SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L89]   EXPR       __VERIFIER_nondet_uchar() & mask_SORT_1
        VAL        [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L89]              SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L90]   EXPR       __VERIFIER_nondet_uchar() & mask_SORT_1
        VAL        [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L90]              SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1;
[L92]              SORT_2 init_7_arg_1 = var_5;
[L93]              state_6 = init_7_arg_1
[L94]              SORT_2 init_9_arg_1 = var_5;
[L95]              state_8 = init_9_arg_1
[L96]              SORT_2 init_11_arg_1 = var_5;
[L97]              state_10 = init_11_arg_1
[L98]              SORT_2 init_13_arg_1 = var_5;
[L99]              state_12 = init_13_arg_1
[L100]             SORT_2 init_15_arg_1 = var_5;
[L101]             state_14 = init_15_arg_1
[L102]             SORT_2 init_17_arg_1 = var_5;
[L103]             state_16 = init_17_arg_1
[L104]             SORT_2 init_19_arg_1 = var_5;
[L105]             state_18 = init_19_arg_1
[L106]             SORT_1 init_22_arg_1 = var_20;
[L107]             state_21 = init_22_arg_1
[L108]             SORT_1 init_24_arg_1 = var_20;
[L109]             state_23 = init_24_arg_1
[L110]             SORT_1 init_26_arg_1 = var_20;
[L111]             state_25 = init_26_arg_1
[L112]             SORT_1 init_28_arg_1 = var_20;
[L113]             state_27 = init_28_arg_1
[L114]             SORT_1 init_30_arg_1 = var_20;
[L115]             state_29 = init_30_arg_1
[L116]             SORT_1 init_32_arg_1 = var_20;
[L117]             state_31 = init_32_arg_1
[L118]             SORT_1 init_34_arg_1 = var_20;
[L119]             state_33 = init_34_arg_1
[L120]             SORT_1 init_36_arg_1 = var_20;
[L121]             state_35 = init_36_arg_1
[L122]             SORT_1 init_38_arg_1 = var_20;
[L123]             state_37 = init_38_arg_1
[L124]             SORT_1 init_40_arg_1 = var_20;
[L125]             state_39 = init_40_arg_1
[L126]             SORT_1 init_42_arg_1 = var_20;
[L127]             state_41 = init_42_arg_1
[L128]             SORT_1 init_44_arg_1 = var_20;
[L129]             state_43 = init_44_arg_1
[L130]             SORT_1 init_46_arg_1 = var_20;
[L131]             state_45 = init_46_arg_1
[L132]             SORT_1 init_48_arg_1 = var_20;
[L133]             state_47 = init_48_arg_1
[L134]             SORT_1 init_50_arg_1 = var_20;
[L135]             state_49 = init_50_arg_1
[L136]             SORT_1 init_52_arg_1 = var_20;
[L137]             state_51 = init_52_arg_1
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L140]             input_64 = __VERIFIER_nondet_uchar()
[L141]             input_74 = __VERIFIER_nondet_uchar()
[L142]             input_76 = __VERIFIER_nondet_uchar()
[L143]             input_83 = __VERIFIER_nondet_uchar()
[L144]             input_85 = __VERIFIER_nondet_uchar()
[L145]             input_92 = __VERIFIER_nondet_uchar()
[L146]             input_143 = __VERIFIER_nondet_uchar()
[L147]  EXPR       input_143 & mask_SORT_1
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L147]             input_143 = input_143 & mask_SORT_1
[L148]             input_147 = __VERIFIER_nondet_uchar()
[L149]  EXPR       input_147 & mask_SORT_1
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L149]             input_147 = input_147 & mask_SORT_1
[L150]             input_150 = __VERIFIER_nondet_uchar()
[L151]  EXPR       input_150 & mask_SORT_1
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L151]             input_150 = input_150 & mask_SORT_1
[L152]             input_151 = __VERIFIER_nondet_uchar()
[L153]  EXPR       input_151 & mask_SORT_1
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L153]             input_151 = input_151 & mask_SORT_1
[L154]             input_152 = __VERIFIER_nondet_uchar()
[L155]  EXPR       input_152 & mask_SORT_1
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L155]             input_152 = input_152 & mask_SORT_1
[L156]             input_153 = __VERIFIER_nondet_uchar()
[L157]  EXPR       input_153 & mask_SORT_1
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L157]             input_153 = input_153 & mask_SORT_1
[L158]             input_161 = __VERIFIER_nondet_uchar()
[L159]  EXPR       input_161 & mask_SORT_1
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L159]             input_161 = input_161 & mask_SORT_1
[L160]             input_167 = __VERIFIER_nondet_uchar()
[L161]  EXPR       input_167 & mask_SORT_1
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L161]             input_167 = input_167 & mask_SORT_1
[L162]             input_173 = __VERIFIER_nondet_uchar()
[L163]  EXPR       input_173 & mask_SORT_1
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L163]             input_173 = input_173 & mask_SORT_1
[L164]             input_188 = __VERIFIER_nondet_uchar()
[L165]             input_206 = __VERIFIER_nondet_uchar()
[L166]             input_224 = __VERIFIER_nondet_uchar()
[L169]             SORT_1 var_55_arg_0 = state_29;
[L170]             SORT_4 var_55_arg_1 = var_53;
[L171]             SORT_4 var_55_arg_2 = var_54;
[L172]             SORT_4 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2;
[L173]             SORT_1 var_56_arg_0 = state_39;
[L174]             SORT_4 var_56_arg_1 = var_53;
[L175]             SORT_4 var_56_arg_2 = var_54;
[L176]             SORT_4 var_56 = var_56_arg_0 ? var_56_arg_1 : var_56_arg_2;
[L177]             SORT_4 var_57_arg_0 = var_55;
[L178]             SORT_4 var_57_arg_1 = var_56;
[L179]             SORT_4 var_57 = var_57_arg_0 + var_57_arg_1;
[L180]             SORT_1 var_58_arg_0 = state_49;
[L181]             SORT_4 var_58_arg_1 = var_53;
[L182]             SORT_4 var_58_arg_2 = var_54;
[L183]             SORT_4 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2;
[L184]             SORT_4 var_59_arg_0 = var_57;
[L185]             SORT_4 var_59_arg_1 = var_58;
[L186]             SORT_4 var_59 = var_59_arg_0 + var_59_arg_1;
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L187]  EXPR       var_59 & mask_SORT_4
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_63=1, var_65=0, var_68=3, var_72=0]
[L187]             var_59 = var_59 & mask_SORT_4
[L188]             SORT_4 var_60_arg_0 = var_59;
[L189]             SORT_4 var_60_arg_1 = var_53;
[L190]             SORT_1 var_60 = var_60_arg_0 <= var_60_arg_1;
[L191]             SORT_1 var_61_arg_0 = ~state_51;
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61_arg_0=255, var_63=1, var_65=0, var_68=3, var_72=0]
[L192]  EXPR       var_61_arg_0 & mask_SORT_1
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61_arg_0=255, var_63=1, var_65=0, var_68=3, var_72=0]
[L192]             var_61_arg_0 = var_61_arg_0 & mask_SORT_1
[L193]             SORT_1 var_61_arg_1 = ~var_60;
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61_arg_0=1, var_61_arg_1=254, var_63=1, var_65=0, var_68=3, var_72=0]
[L194]  EXPR       var_61_arg_1 & mask_SORT_1
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61_arg_0=1, var_61_arg_1=254, var_63=1, var_65=0, var_68=3, var_72=0]
[L194]             var_61_arg_1 = var_61_arg_1 & mask_SORT_1
[L195]  EXPR       var_61_arg_0 & var_61_arg_1
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61_arg_0=1, var_61_arg_1=1, var_63=1, var_65=0, var_68=3, var_72=0]
[L195]             SORT_1 var_61 = var_61_arg_0 & var_61_arg_1;
[L196]  EXPR       var_61 & mask_SORT_1
        VAL        [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_143=0, input_147=0, input_150=0, input_151=0, input_152=0, input_153=0, input_161=0, input_167=0, input_173=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=16777215, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=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_6=0, state_8=0, var_122=2, var_125=2, var_20=0, var_53=1, var_54=0, var_55=0, var_55_arg_0=0, var_55_arg_1=1, var_55_arg_2=0, var_56=0, var_56_arg_0=0, var_56_arg_1=1, var_56_arg_2=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=1, var_58_arg_2=0, var_59=0, var_59_arg_0=0, var_59_arg_1=0, var_5=0, var_60=1, var_60_arg_0=0, var_60_arg_1=1, var_61=1, var_61_arg_0=1, var_61_arg_1=1, var_63=1, var_65=0, var_68=3, var_72=0]
[L196]             var_61 = var_61 & mask_SORT_1
[L197]             SORT_1 bad_62_arg_0 = var_61;
[L198]  CALL       __VERIFIER_assert(!(bad_62_arg_0))
[L21]   COND TRUE  !(cond)
        VAL        [\old(cond)=0, cond=0]
[L21]              reach_error()
        VAL        [\old(cond)=0, cond=0]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 1228 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9604 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9604 mSDsluCounter, 31040 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21171 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2027 IncrementalHoareTripleChecker+Invalid, 2029 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 9869 mSDtfsCounter, 2027 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1244occurred in iteration=5, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 3456 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 482 NumberOfCodeBlocks, 482 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 395 ConstructedInterpolants, 0 QuantifiedInterpolants, 865 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2023-11-29 03:41:49,975 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya --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 4bdfff36879874a6399b96a47b24759f6fa08750adc90ba43c136ab307fb0948
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-29 03:41:51,885 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-29 03:41:51,953 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2023-11-29 03:41:51,966 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-29 03:41:51,967 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-29 03:41:51,997 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-29 03:41:51,997 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-29 03:41:51,998 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-29 03:41:51,999 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-29 03:41:51,999 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-11-29 03:41:52,000 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-29 03:41:52,001 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-29 03:41:52,002 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-29 03:41:52,002 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-29 03:41:52,003 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-29 03:41:52,003 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-29 03:41:52,004 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-29 03:41:52,005 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-29 03:41:52,005 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-29 03:41:52,006 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-29 03:41:52,006 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-29 03:41:52,007 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-11-29 03:41:52,007 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-11-29 03:41:52,008 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-29 03:41:52,008 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-29 03:41:52,009 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-29 03:41:52,009 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-29 03:41:52,010 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-29 03:41:52,010 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-11-29 03:41:52,010 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-29 03:41:52,011 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-29 03:41:52,011 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-29 03:41:52,012 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-29 03:41:52,012 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-29 03:41:52,013 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-11-29 03:41:52,013 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2023-11-29 03:41:52,014 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-29 03:41:52,014 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-29 03:41:52,014 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-29 03:41:52,018 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-29 03:41:52,018 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-29 03:41:52,019 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-11-29 03:41:52,019 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya
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 -> 4bdfff36879874a6399b96a47b24759f6fa08750adc90ba43c136ab307fb0948
[2023-11-29 03:41:52,311 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-29 03:41:52,332 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-29 03:41:52,335 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-29 03:41:52,336 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-29 03:41:52,337 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-29 03:41:52,338 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c
[2023-11-29 03:41:55,111 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-29 03:41:55,382 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-29 03:41:55,383 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c
[2023-11-29 03:41:55,399 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/data/d7045e0ac/88f906a10c0944d6a9c9905ce6b23c39/FLAG5d30a3c54
[2023-11-29 03:41:55,415 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/data/d7045e0ac/88f906a10c0944d6a9c9905ce6b23c39
[2023-11-29 03:41:55,417 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-29 03:41:55,419 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-29 03:41:55,420 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-29 03:41:55,421 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-29 03:41:55,425 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-29 03:41:55,426 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:41:55" (1/1) ...
[2023-11-29 03:41:55,427 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a8b971a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:55, skipping insertion in model container
[2023-11-29 03:41:55,427 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:41:55" (1/1) ...
[2023-11-29 03:41:55,482 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-29 03:41:55,641 WARN  L240   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_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c[1175,1188]
[2023-11-29 03:41:55,871 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-29 03:41:55,882 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-29 03:41:55,891 WARN  L240   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_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.2.prop1-func-interl.c[1175,1188]
[2023-11-29 03:41:55,977 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-29 03:41:55,992 INFO  L206         MainTranslator]: Completed translation
[2023-11-29 03:41:55,992 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:55 WrapperNode
[2023-11-29 03:41:55,993 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-29 03:41:55,994 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-29 03:41:55,994 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-29 03:41:55,994 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-29 03:41:56,001 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:55" (1/1) ...
[2023-11-29 03:41:56,036 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:55" (1/1) ...
[2023-11-29 03:41:56,099 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1372
[2023-11-29 03:41:56,099 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-29 03:41:56,100 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-29 03:41:56,100 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-29 03:41:56,100 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-29 03:41:56,112 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:55" (1/1) ...
[2023-11-29 03:41:56,112 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:55" (1/1) ...
[2023-11-29 03:41:56,120 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:55" (1/1) ...
[2023-11-29 03:41:56,152 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].
[2023-11-29 03:41:56,152 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:55" (1/1) ...
[2023-11-29 03:41:56,152 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:55" (1/1) ...
[2023-11-29 03:41:56,203 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:55" (1/1) ...
[2023-11-29 03:41:56,209 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:55" (1/1) ...
[2023-11-29 03:41:56,216 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:55" (1/1) ...
[2023-11-29 03:41:56,225 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:55" (1/1) ...
[2023-11-29 03:41:56,241 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-29 03:41:56,242 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-29 03:41:56,243 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-29 03:41:56,243 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-29 03:41:56,244 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:55" (1/1) ...
[2023-11-29 03:41:56,249 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-29 03:41:56,261 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/z3
[2023-11-29 03:41:56,277 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-11-29 03:41:56,291 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-11-29 03:41:56,322 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-29 03:41:56,322 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-11-29 03:41:56,323 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-29 03:41:56,323 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-29 03:41:56,583 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-29 03:41:56,585 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-29 03:41:59,177 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-29 03:41:59,265 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-29 03:41:59,265 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-29 03:41:59,266 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:41:59 BoogieIcfgContainer
[2023-11-29 03:41:59,266 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-29 03:41:59,269 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-29 03:41:59,269 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-29 03:41:59,273 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-29 03:41:59,273 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:41:55" (1/3) ...
[2023-11-29 03:41:59,274 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@776b5b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:41:59, skipping insertion in model container
[2023-11-29 03:41:59,274 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:41:55" (2/3) ...
[2023-11-29 03:41:59,274 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@776b5b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:41:59, skipping insertion in model container
[2023-11-29 03:41:59,274 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:41:59" (3/3) ...
[2023-11-29 03:41:59,276 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.2.prop1-func-interl.c
[2023-11-29 03:41:59,296 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-29 03:41:59,296 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-29 03:41:59,344 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-29 03:41:59,351 INFO  L357      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, mHoare=true, 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;@29c9e933, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-29 03:41:59,351 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-29 03:41:59,355 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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)
[2023-11-29 03:41:59,361 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2023-11-29 03:41:59,362 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 03:41:59,362 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2023-11-29 03:41:59,363 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 03:41:59,368 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 03:41:59,368 INFO  L85        PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times
[2023-11-29 03:41:59,381 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-29 03:41:59,382 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1607406984]
[2023-11-29 03:41:59,382 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 03:41:59,383 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-29 03:41:59,383 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat
[2023-11-29 03:41:59,384 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-29 03:41:59,391 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-11-29 03:41:59,711 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 03:41:59,721 INFO  L262         TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 32 conjunts are in the unsatisfiable core
[2023-11-29 03:41:59,732 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-29 03:42:00,156 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 03:42:00,156 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-29 03:42:00,157 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-29 03:42:00,157 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1607406984]
[2023-11-29 03:42:00,158 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1607406984] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 03:42:00,158 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 03:42:00,158 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-29 03:42:00,160 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007158146]
[2023-11-29 03:42:00,161 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 03:42:00,165 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 03:42:00,165 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-29 03:42:00,192 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 03:42:00,193 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 03:42:00,195 INFO  L87              Difference]: Start difference. First operand  has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 7 states have internal predecessors, (10), 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 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2023-11-29 03:42:00,895 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 03:42:00,895 INFO  L93              Difference]: Finished difference Result 16 states and 24 transitions.
[2023-11-29 03:42:00,897 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-29 03:42:00,898 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4
[2023-11-29 03:42:00,898 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 03:42:00,904 INFO  L225             Difference]: With dead ends: 16
[2023-11-29 03:42:00,904 INFO  L226             Difference]: Without dead ends: 9
[2023-11-29 03:42:00,906 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-29 03:42:00,910 INFO  L413           NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2023-11-29 03:42:00,911 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2023-11-29 03:42:00,924 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2023-11-29 03:42:00,932 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8.
[2023-11-29 03:42:00,933 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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)
[2023-11-29 03:42:00,934 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions.
[2023-11-29 03:42:00,935 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4
[2023-11-29 03:42:00,935 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 03:42:00,935 INFO  L495      AbstractCegarLoop]: Abstraction has 8 states and 8 transitions.
[2023-11-29 03:42:00,935 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2023-11-29 03:42:00,935 INFO  L276                IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions.
[2023-11-29 03:42:00,936 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-29 03:42:00,936 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 03:42:00,936 INFO  L195           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1]
[2023-11-29 03:42:00,939 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2023-11-29 03:42:01,136 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-29 03:42:01,137 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 03:42:01,137 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 03:42:01,137 INFO  L85        PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times
[2023-11-29 03:42:01,139 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-29 03:42:01,140 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427444736]
[2023-11-29 03:42:01,140 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 03:42:01,140 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-29 03:42:01,140 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat
[2023-11-29 03:42:01,141 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-29 03:42:01,142 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-11-29 03:42:02,433 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 03:42:02,489 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 111 conjunts are in the unsatisfiable core
[2023-11-29 03:42:02,501 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-29 03:42:04,104 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 03:42:04,104 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-29 03:42:07,274 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 03:42:07,275 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-29 03:42:07,275 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427444736]
[2023-11-29 03:42:07,276 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1427444736] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-29 03:42:07,276 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-29 03:42:07,276 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7
[2023-11-29 03:42:07,276 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944351156]
[2023-11-29 03:42:07,277 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-29 03:42:07,278 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-29 03:42:07,278 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-29 03:42:07,279 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-29 03:42:07,280 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2023-11-29 03:42:07,280 INFO  L87              Difference]: Start difference. First operand 8 states and 8 transitions. Second operand  has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 03:42:09,079 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 03:42:10,260 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 03:42:10,260 INFO  L93              Difference]: Finished difference Result 14 states and 14 transitions.
[2023-11-29 03:42:10,261 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-29 03:42:10,261 INFO  L78                 Accepts]: Start accepts. Automaton has  has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2023-11-29 03:42:10,261 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 03:42:10,262 INFO  L225             Difference]: With dead ends: 14
[2023-11-29 03:42:10,262 INFO  L226             Difference]: Without dead ends: 12
[2023-11-29 03:42:10,262 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2023-11-29 03:42:10,263 INFO  L413           NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2023-11-29 03:42:10,264 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2023-11-29 03:42:10,265 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2023-11-29 03:42:10,267 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11.
[2023-11-29 03:42:10,267 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 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)
[2023-11-29 03:42:10,268 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions.
[2023-11-29 03:42:10,268 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7
[2023-11-29 03:42:10,268 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 03:42:10,268 INFO  L495      AbstractCegarLoop]: Abstraction has 11 states and 11 transitions.
[2023-11-29 03:42:10,269 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 1.625) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-29 03:42:10,269 INFO  L276                IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions.
[2023-11-29 03:42:10,269 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-29 03:42:10,269 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 03:42:10,269 INFO  L195           NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1]
[2023-11-29 03:42:10,285 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2023-11-29 03:42:10,470 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-29 03:42:10,470 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 03:42:10,471 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 03:42:10,471 INFO  L85        PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times
[2023-11-29 03:42:10,472 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-29 03:42:10,472 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954075319]
[2023-11-29 03:42:10,472 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-29 03:42:10,472 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-29 03:42:10,473 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat
[2023-11-29 03:42:10,473 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-29 03:42:10,474 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2023-11-29 03:42:12,932 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-29 03:42:12,932 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-29 03:42:13,031 INFO  L262         TraceCheckSpWp]: Trace formula consists of 2190 conjuncts, 236 conjunts are in the unsatisfiable core
[2023-11-29 03:42:13,050 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-29 03:42:23,629 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 03:42:23,629 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-29 03:43:01,611 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 03:43:01,611 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-29 03:43:01,611 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954075319]
[2023-11-29 03:43:01,611 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1954075319] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-29 03:43:01,611 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-29 03:43:01,611 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9
[2023-11-29 03:43:01,612 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264108210]
[2023-11-29 03:43:01,612 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-29 03:43:01,612 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-11-29 03:43:01,612 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-29 03:43:01,613 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-11-29 03:43:01,613 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=61, Unknown=5, NotChecked=0, Total=90
[2023-11-29 03:43:01,613 INFO  L87              Difference]: Start difference. First operand 11 states and 11 transitions. Second operand  has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 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)
[2023-11-29 03:43:35,761 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 03:43:50,683 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 03:43:51,452 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 03:43:51,452 INFO  L93              Difference]: Finished difference Result 17 states and 17 transitions.
[2023-11-29 03:43:51,453 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-11-29 03:43:51,453 INFO  L78                 Accepts]: Start accepts. Automaton has  has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 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 10
[2023-11-29 03:43:51,453 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 03:43:51,454 INFO  L225             Difference]: With dead ends: 17
[2023-11-29 03:43:51,454 INFO  L226             Difference]: Without dead ends: 15
[2023-11-29 03:43:51,454 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 73.0s TimeCoverageRelationStatistics Valid=64, Invalid=134, Unknown=12, NotChecked=0, Total=210
[2023-11-29 03:43:51,455 INFO  L413           NwaCegarLoop]: 2 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time
[2023-11-29 03:43:51,456 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 14 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 11.5s Time]
[2023-11-29 03:43:51,456 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2023-11-29 03:43:51,462 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14.
[2023-11-29 03:43:51,462 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 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)
[2023-11-29 03:43:51,463 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions.
[2023-11-29 03:43:51,463 INFO  L78                 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 10
[2023-11-29 03:43:51,463 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 03:43:51,463 INFO  L495      AbstractCegarLoop]: Abstraction has 14 states and 14 transitions.
[2023-11-29 03:43:51,464 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 states have internal predecessors, (19), 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)
[2023-11-29 03:43:51,464 INFO  L276                IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions.
[2023-11-29 03:43:51,464 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-29 03:43:51,464 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 03:43:51,464 INFO  L195           NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1]
[2023-11-29 03:43:51,493 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2023-11-29 03:43:51,665 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-29 03:43:51,665 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 03:43:51,665 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 03:43:51,666 INFO  L85        PathProgramCache]: Analyzing trace with hash -57678563, now seen corresponding path program 3 times
[2023-11-29 03:43:51,667 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-29 03:43:51,668 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1521807991]
[2023-11-29 03:43:51,668 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-11-29 03:43:51,668 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-11-29 03:43:51,668 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat
[2023-11-29 03:43:51,669 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-11-29 03:43:51,670 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97988c0-63b6-4b2b-bddd-46002c9f0fa1/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2023-11-29 03:43:58,433 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2023-11-29 03:43:58,433 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-29 03:43:58,584 INFO  L262         TraceCheckSpWp]: Trace formula consists of 3228 conjuncts, 426 conjunts are in the unsatisfiable core
[2023-11-29 03:43:58,610 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-29 03:44:29,747 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 5 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 03:44:29,747 INFO  L327         TraceCheckSpWp]: Computing backward predicates...