./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.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_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 f74c0f64dd8b514a3fa45ba4f87a322c4df7984da96078fd039eb406238ea150
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-29 01:42:58,763 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-29 01:42:58,826 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Default.epf
[2023-11-29 01:42:58,831 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-29 01:42:58,831 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-29 01:42:58,852 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-29 01:42:58,852 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-29 01:42:58,853 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-29 01:42:58,853 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-29 01:42:58,854 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-11-29 01:42:58,854 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-29 01:42:58,855 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-29 01:42:58,856 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-29 01:42:58,856 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-29 01:42:58,857 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-29 01:42:58,857 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-29 01:42:58,858 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-29 01:42:58,858 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-29 01:42:58,859 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-29 01:42:58,859 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-29 01:42:58,860 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-29 01:42:58,863 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-29 01:42:58,863 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-29 01:42:58,864 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-29 01:42:58,864 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-29 01:42:58,865 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-29 01:42:58,865 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-11-29 01:42:58,865 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-29 01:42:58,865 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-29 01:42:58,866 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-29 01:42:58,866 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-29 01:42:58,867 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-29 01:42:58,867 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-29 01:42:58,867 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-29 01:42:58,867 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-29 01:42:58,867 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-29 01:42:58,868 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-29 01:42:58,868 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-29 01:42:58,868 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-29 01:42:58,868 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_03d8fdca-7004-4247-a258-c9ab4ec8baba/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_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 -> f74c0f64dd8b514a3fa45ba4f87a322c4df7984da96078fd039eb406238ea150
[2023-11-29 01:42:59,078 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-29 01:42:59,099 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-29 01:42:59,102 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-29 01:42:59,103 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-29 01:42:59,104 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-29 01:42:59,105 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c
[2023-11-29 01:43:01,956 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-29 01:43:02,198 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-29 01:43:02,199 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c
[2023-11-29 01:43:02,216 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/data/b618ec944/2e18409af8f048d6aecc7631beecb1d8/FLAG1b4f54a2c
[2023-11-29 01:43:02,228 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/data/b618ec944/2e18409af8f048d6aecc7631beecb1d8
[2023-11-29 01:43:02,231 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-29 01:43:02,232 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-29 01:43:02,234 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-29 01:43:02,234 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-29 01:43:02,240 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-29 01:43:02,241 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:43:02" (1/1) ...
[2023-11-29 01:43:02,241 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b15e27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:02, skipping insertion in model container
[2023-11-29 01:43:02,242 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:43:02" (1/1) ...
[2023-11-29 01:43:02,299 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-29 01:43:02,453 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_03d8fdca-7004-4247-a258-c9ab4ec8baba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c[1175,1188]
[2023-11-29 01:43:02,737 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-29 01:43:02,746 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-29 01:43:02,755 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_03d8fdca-7004-4247-a258-c9ab4ec8baba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c[1175,1188]
[2023-11-29 01:43:02,928 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-29 01:43:02,942 INFO  L206         MainTranslator]: Completed translation
[2023-11-29 01:43:02,942 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:02 WrapperNode
[2023-11-29 01:43:02,942 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-29 01:43:02,943 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-29 01:43:02,943 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-29 01:43:02,943 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-29 01:43:02,949 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:02" (1/1) ...
[2023-11-29 01:43:02,995 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:02" (1/1) ...
[2023-11-29 01:43:03,451 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 5572
[2023-11-29 01:43:03,452 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-29 01:43:03,453 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-29 01:43:03,453 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-29 01:43:03,453 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-29 01:43:03,465 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:02" (1/1) ...
[2023-11-29 01:43:03,465 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:02" (1/1) ...
[2023-11-29 01:43:03,572 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:02" (1/1) ...
[2023-11-29 01:43:03,813 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 01:43:03,814 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:02" (1/1) ...
[2023-11-29 01:43:03,814 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:02" (1/1) ...
[2023-11-29 01:43:03,937 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:02" (1/1) ...
[2023-11-29 01:43:03,977 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:02" (1/1) ...
[2023-11-29 01:43:04,014 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:02" (1/1) ...
[2023-11-29 01:43:04,036 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:02" (1/1) ...
[2023-11-29 01:43:04,129 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-29 01:43:04,130 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-29 01:43:04,130 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-29 01:43:04,131 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-29 01:43:04,131 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:02" (1/1) ...
[2023-11-29 01:43:04,137 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-29 01:43:04,149 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/z3
[2023-11-29 01:43:04,160 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-11-29 01:43:04,164 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-11-29 01:43:04,194 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-29 01:43:04,194 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-29 01:43:04,194 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-29 01:43:04,194 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-29 01:43:04,578 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-29 01:43:04,580 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-29 01:43:08,267 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-29 01:43:08,385 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-29 01:43:08,386 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-29 01:43:08,387 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:43:08 BoogieIcfgContainer
[2023-11-29 01:43:08,387 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-29 01:43:08,390 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-29 01:43:08,390 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-29 01:43:08,393 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-29 01:43:08,394 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:43:02" (1/3) ...
[2023-11-29 01:43:08,394 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fedfde9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:43:08, skipping insertion in model container
[2023-11-29 01:43:08,395 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:02" (2/3) ...
[2023-11-29 01:43:08,395 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fedfde9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:43:08, skipping insertion in model container
[2023-11-29 01:43:08,395 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:43:08" (3/3) ...
[2023-11-29 01:43:08,396 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.3.prop1-func-interl.c
[2023-11-29 01:43:08,415 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-29 01:43:08,415 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-29 01:43:08,490 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-29 01:43:08,497 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;@416ce57a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-29 01:43:08,497 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-29 01:43:08,506 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 1297 states, 1295 states have (on average 1.6718146718146718) internal successors, (2165), 1296 states have internal predecessors, (2165), 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 01:43:08,516 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 79
[2023-11-29 01:43:08,516 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:43:08,517 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 01:43:08,518 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:43:08,522 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:43:08,523 INFO  L85        PathProgramCache]: Analyzing trace with hash 1106145224, now seen corresponding path program 1 times
[2023-11-29 01:43:08,531 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:43:08,532 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260229600]
[2023-11-29 01:43:08,532 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:43:08,532 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:43:08,732 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:43:09,224 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 01:43:09,225 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:43:09,225 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260229600]
[2023-11-29 01:43:09,226 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260229600] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:43:09,226 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:43:09,226 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:43:09,228 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559993442]
[2023-11-29 01:43:09,228 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:43:09,233 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:43:09,233 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:43:09,260 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:43:09,261 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:43:09,267 INFO  L87              Difference]: Start difference. First operand  has 1297 states, 1295 states have (on average 1.6718146718146718) internal successors, (2165), 1296 states have internal predecessors, (2165), 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 01:43:09,400 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:43:09,401 INFO  L93              Difference]: Finished difference Result 2524 states and 4216 transitions.
[2023-11-29 01:43:09,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-29 01:43:09,403 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 01:43:09,404 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:43:09,424 INFO  L225             Difference]: With dead ends: 2524
[2023-11-29 01:43:09,424 INFO  L226             Difference]: Without dead ends: 1297
[2023-11-29 01:43:09,431 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 01:43:09,435 INFO  L413           NwaCegarLoop]: 2158 mSDtfsCounter, 1 mSDsluCounter, 4311 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6469 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 01:43:09,436 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6469 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-29 01:43:09,456 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1297 states.
[2023-11-29 01:43:09,522 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1297.
[2023-11-29 01:43:09,526 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1297 states, 1296 states have (on average 1.6689814814814814) internal successors, (2163), 1296 states have internal predecessors, (2163), 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 01:43:09,531 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 2163 transitions.
[2023-11-29 01:43:09,533 INFO  L78                 Accepts]: Start accepts. Automaton has 1297 states and 2163 transitions. Word has length 78
[2023-11-29 01:43:09,533 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:43:09,533 INFO  L495      AbstractCegarLoop]: Abstraction has 1297 states and 2163 transitions.
[2023-11-29 01:43:09,534 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 01:43:09,534 INFO  L276                IsEmpty]: Start isEmpty. Operand 1297 states and 2163 transitions.
[2023-11-29 01:43:09,537 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 80
[2023-11-29 01:43:09,537 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:43:09,537 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 01:43:09,538 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-29 01:43:09,538 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:43:09,538 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:43:09,539 INFO  L85        PathProgramCache]: Analyzing trace with hash -67511032, now seen corresponding path program 1 times
[2023-11-29 01:43:09,539 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:43:09,539 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674338804]
[2023-11-29 01:43:09,539 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:43:09,540 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:43:09,624 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:43:09,868 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 01:43:09,868 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:43:09,869 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674338804]
[2023-11-29 01:43:09,869 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674338804] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:43:09,869 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:43:09,869 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:43:09,870 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863705780]
[2023-11-29 01:43:09,870 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:43:09,871 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:43:09,872 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:43:09,872 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:43:09,872 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:43:09,873 INFO  L87              Difference]: Start difference. First operand 1297 states and 2163 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 01:43:09,969 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:43:09,969 INFO  L93              Difference]: Finished difference Result 2527 states and 4214 transitions.
[2023-11-29 01:43:09,970 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-29 01:43:09,970 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 01:43:09,971 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:43:09,978 INFO  L225             Difference]: With dead ends: 2527
[2023-11-29 01:43:09,979 INFO  L226             Difference]: Without dead ends: 1300
[2023-11-29 01:43:09,981 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 01:43:09,982 INFO  L413           NwaCegarLoop]: 2158 mSDtfsCounter, 1 mSDsluCounter, 4309 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6467 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 01:43:09,983 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6467 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-29 01:43:09,987 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1300 states.
[2023-11-29 01:43:10,016 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1300 to 1299.
[2023-11-29 01:43:10,019 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1299 states, 1298 states have (on average 1.6679506933744221) internal successors, (2165), 1298 states have internal predecessors, (2165), 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 01:43:10,024 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 2165 transitions.
[2023-11-29 01:43:10,025 INFO  L78                 Accepts]: Start accepts. Automaton has 1299 states and 2165 transitions. Word has length 79
[2023-11-29 01:43:10,025 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:43:10,025 INFO  L495      AbstractCegarLoop]: Abstraction has 1299 states and 2165 transitions.
[2023-11-29 01:43:10,026 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 01:43:10,026 INFO  L276                IsEmpty]: Start isEmpty. Operand 1299 states and 2165 transitions.
[2023-11-29 01:43:10,028 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 81
[2023-11-29 01:43:10,028 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:43:10,028 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 01:43:10,029 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-29 01:43:10,029 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:43:10,030 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:43:10,030 INFO  L85        PathProgramCache]: Analyzing trace with hash 1991693282, now seen corresponding path program 1 times
[2023-11-29 01:43:10,030 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:43:10,030 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608532772]
[2023-11-29 01:43:10,031 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:43:10,031 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:43:10,091 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:43:10,262 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 01:43:10,262 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:43:10,263 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608532772]
[2023-11-29 01:43:10,263 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608532772] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:43:10,263 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:43:10,263 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:43:10,264 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256007087]
[2023-11-29 01:43:10,264 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:43:10,264 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:43:10,265 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:43:10,265 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:43:10,265 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:43:10,266 INFO  L87              Difference]: Start difference. First operand 1299 states and 2165 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 01:43:10,378 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:43:10,378 INFO  L93              Difference]: Finished difference Result 3747 states and 6248 transitions.
[2023-11-29 01:43:10,378 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-29 01:43:10,379 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 01:43:10,379 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:43:10,393 INFO  L225             Difference]: With dead ends: 3747
[2023-11-29 01:43:10,393 INFO  L226             Difference]: Without dead ends: 2518
[2023-11-29 01:43:10,395 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 01:43:10,396 INFO  L413           NwaCegarLoop]: 2214 mSDtfsCounter, 2031 mSDsluCounter, 4361 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2031 SdHoareTripleChecker+Valid, 6575 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 01:43:10,397 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2031 Valid, 6575 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-29 01:43:10,402 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2518 states.
[2023-11-29 01:43:10,432 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2518 to 1301.
[2023-11-29 01:43:10,435 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1301 states, 1300 states have (on average 1.666923076923077) internal successors, (2167), 1300 states have internal predecessors, (2167), 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 01:43:10,440 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1301 states and 2167 transitions.
[2023-11-29 01:43:10,441 INFO  L78                 Accepts]: Start accepts. Automaton has 1301 states and 2167 transitions. Word has length 80
[2023-11-29 01:43:10,441 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:43:10,441 INFO  L495      AbstractCegarLoop]: Abstraction has 1301 states and 2167 transitions.
[2023-11-29 01:43:10,441 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 01:43:10,442 INFO  L276                IsEmpty]: Start isEmpty. Operand 1301 states and 2167 transitions.
[2023-11-29 01:43:10,443 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 82
[2023-11-29 01:43:10,443 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:43:10,444 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 01:43:10,444 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-29 01:43:10,444 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:43:10,445 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:43:10,445 INFO  L85        PathProgramCache]: Analyzing trace with hash -1082110482, now seen corresponding path program 1 times
[2023-11-29 01:43:10,445 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:43:10,445 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75182760]
[2023-11-29 01:43:10,446 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:43:10,446 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:43:10,516 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:43:10,683 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 01:43:10,683 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:43:10,683 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75182760]
[2023-11-29 01:43:10,683 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75182760] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:43:10,684 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:43:10,684 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:43:10,684 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657706513]
[2023-11-29 01:43:10,684 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:43:10,685 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:43:10,685 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:43:10,685 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:43:10,686 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:43:10,686 INFO  L87              Difference]: Start difference. First operand 1301 states and 2167 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 01:43:10,795 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:43:10,796 INFO  L93              Difference]: Finished difference Result 3753 states and 6254 transitions.
[2023-11-29 01:43:10,796 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-29 01:43:10,796 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 01:43:10,797 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:43:10,810 INFO  L225             Difference]: With dead ends: 3753
[2023-11-29 01:43:10,810 INFO  L226             Difference]: Without dead ends: 2522
[2023-11-29 01:43:10,812 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 01:43:10,813 INFO  L413           NwaCegarLoop]: 2209 mSDtfsCounter, 2028 mSDsluCounter, 4356 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 6565 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 01:43:10,814 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [2028 Valid, 6565 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-29 01:43:10,818 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 2522 states.
[2023-11-29 01:43:10,847 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 2522 to 1304.
[2023-11-29 01:43:10,851 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1304 states, 1303 states have (on average 1.6669224865694552) internal successors, (2172), 1303 states have internal predecessors, (2172), 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 01:43:10,855 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 2172 transitions.
[2023-11-29 01:43:10,856 INFO  L78                 Accepts]: Start accepts. Automaton has 1304 states and 2172 transitions. Word has length 81
[2023-11-29 01:43:10,856 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:43:10,856 INFO  L495      AbstractCegarLoop]: Abstraction has 1304 states and 2172 transitions.
[2023-11-29 01:43:10,856 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 01:43:10,857 INFO  L276                IsEmpty]: Start isEmpty. Operand 1304 states and 2172 transitions.
[2023-11-29 01:43:10,858 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2023-11-29 01:43:10,858 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:43:10,858 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 01:43:10,858 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-29 01:43:10,859 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:43:10,859 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:43:10,859 INFO  L85        PathProgramCache]: Analyzing trace with hash 1739318014, now seen corresponding path program 1 times
[2023-11-29 01:43:10,859 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:43:10,860 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304025147]
[2023-11-29 01:43:10,860 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:43:10,860 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:43:10,928 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:43:11,133 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 01:43:11,133 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-29 01:43:11,133 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304025147]
[2023-11-29 01:43:11,134 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304025147] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:43:11,134 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:43:11,134 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-29 01:43:11,134 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106013222]
[2023-11-29 01:43:11,134 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:43:11,135 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-29 01:43:11,135 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-29 01:43:11,136 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-29 01:43:11,136 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-29 01:43:11,136 INFO  L87              Difference]: Start difference. First operand 1304 states and 2172 transitions. Second operand  has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 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 01:43:12,230 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:43:12,230 INFO  L93              Difference]: Finished difference Result 2569 states and 4279 transitions.
[2023-11-29 01:43:12,231 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-29 01:43:12,231 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 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 01:43:12,231 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:43:12,238 INFO  L225             Difference]: With dead ends: 2569
[2023-11-29 01:43:12,238 INFO  L226             Difference]: Without dead ends: 1335
[2023-11-29 01:43:12,239 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30
[2023-11-29 01:43:12,240 INFO  L413           NwaCegarLoop]: 1726 mSDtfsCounter, 4128 mSDsluCounter, 1786 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4128 SdHoareTripleChecker+Valid, 3512 SdHoareTripleChecker+Invalid, 1072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2023-11-29 01:43:12,240 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [4128 Valid, 3512 Invalid, 1072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1071 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2023-11-29 01:43:12,243 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1335 states.
[2023-11-29 01:43:12,258 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1304.
[2023-11-29 01:43:12,261 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1304 states, 1303 states have (on average 1.6638526477359938) internal successors, (2168), 1303 states have internal predecessors, (2168), 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 01:43:12,264 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 2168 transitions.
[2023-11-29 01:43:12,264 INFO  L78                 Accepts]: Start accepts. Automaton has 1304 states and 2168 transitions. Word has length 82
[2023-11-29 01:43:12,264 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:43:12,264 INFO  L495      AbstractCegarLoop]: Abstraction has 1304 states and 2168 transitions.
[2023-11-29 01:43:12,264 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 16.4) internal successors, (82), 4 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 01:43:12,264 INFO  L276                IsEmpty]: Start isEmpty. Operand 1304 states and 2168 transitions.
[2023-11-29 01:43:12,265 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2023-11-29 01:43:12,265 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:43:12,265 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 01:43:12,266 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-29 01:43:12,266 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:43:12,266 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:43:12,266 INFO  L85        PathProgramCache]: Analyzing trace with hash 1346291004, now seen corresponding path program 1 times
[2023-11-29 01:43:12,267 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-29 01:43:12,267 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642360141]
[2023-11-29 01:43:12,267 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:43:12,267 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-29 01:43:12,333 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-29 01:43:12,333 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-29 01:43:12,385 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-29 01:43:12,445 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-29 01:43:12,445 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-11-29 01:43:12,446 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-29 01:43:12,447 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-29 01:43:12,449 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2023-11-29 01:43:12,452 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-29 01:43:12,492 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated
[2023-11-29 01:43:12,492 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated
[2023-11-29 01:43:12,493 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated
[2023-11-29 01:43:12,493 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated
[2023-11-29 01:43:12,493 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated
[2023-11-29 01:43:12,494 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated
[2023-11-29 01:43:12,494 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet11 could not be translated
[2023-11-29 01:43:12,494 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet10 could not be translated
[2023-11-29 01:43:12,495 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet12 could not be translated
[2023-11-29 01:43:12,495 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet13 could not be translated
[2023-11-29 01:43:12,495 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet14 could not be translated
[2023-11-29 01:43:12,495 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet15 could not be translated
[2023-11-29 01:43:12,496 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet17 could not be translated
[2023-11-29 01:43:12,496 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet16 could not be translated
[2023-11-29 01:43:12,496 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet19 could not be translated
[2023-11-29 01:43:12,497 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated
[2023-11-29 01:43:12,497 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet20 could not be translated
[2023-11-29 01:43:12,498 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet21 could not be translated
[2023-11-29 01:43:12,498 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet22 could not be translated
[2023-11-29 01:43:12,499 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet23 could not be translated
[2023-11-29 01:43:12,499 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet24 could not be translated
[2023-11-29 01:43:12,499 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet25 could not be translated
[2023-11-29 01:43:12,500 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet27 could not be translated
[2023-11-29 01:43:12,500 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet26 could not be translated
[2023-11-29 01:43:12,501 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet29 could not be translated
[2023-11-29 01:43:12,501 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet28 could not be translated
[2023-11-29 01:43:12,502 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet30 could not be translated
[2023-11-29 01:43:12,502 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet31 could not be translated
[2023-11-29 01:43:12,502 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet33 could not be translated
[2023-11-29 01:43:12,502 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated
[2023-11-29 01:43:12,503 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated
[2023-11-29 01:43:12,503 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated
[2023-11-29 01:43:12,504 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated
[2023-11-29 01:43:12,505 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated
[2023-11-29 01:43:12,505 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated
[2023-11-29 01:43:12,506 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet39 could not be translated
[2023-11-29 01:43:12,506 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet41 could not be translated
[2023-11-29 01:43:12,506 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet40 could not be translated
[2023-11-29 01:43:12,507 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet43 could not be translated
[2023-11-29 01:43:12,507 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet42 could not be translated
[2023-11-29 01:43:12,508 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet45 could not be translated
[2023-11-29 01:43:12,508 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet44 could not be translated
[2023-11-29 01:43:12,509 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet47 could not be translated
[2023-11-29 01:43:12,509 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet46 could not be translated
[2023-11-29 01:43:12,510 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet49 could not be translated
[2023-11-29 01:43:12,510 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet48 could not be translated
[2023-11-29 01:43:12,512 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet57 could not be translated
[2023-11-29 01:43:12,512 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet59 could not be translated
[2023-11-29 01:43:12,513 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet61 could not be translated
[2023-11-29 01:43:12,514 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet63 could not be translated
[2023-11-29 01:43:12,515 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated
[2023-11-29 01:43:12,515 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet67 could not be translated
[2023-11-29 01:43:12,516 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet69 could not be translated
[2023-11-29 01:43:12,517 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet71 could not be translated
[2023-11-29 01:43:12,518 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet73 could not be translated
[2023-11-29 01:43:12,519 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet77 could not be translated
[2023-11-29 01:43:12,520 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet78 could not be translated
[2023-11-29 01:43:12,520 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet79 could not be translated
[2023-11-29 01:43:12,521 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet80 could not be translated
[2023-11-29 01:43:12,521 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet81 could not be translated
[2023-11-29 01:43:12,522 WARN  L320   BoogieBacktranslator]: Removing null node from list of ATEs: ATE  program state null
[2023-11-29 01:43:12,544 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 01:43:12 BoogieIcfgContainer
[2023-11-29 01:43:12,544 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-29 01:43:12,545 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-29 01:43:12,545 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-29 01:43:12,545 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-29 01:43:12,545 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:43:08" (3/4) ...
[2023-11-29 01:43:12,547 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2023-11-29 01:43:12,548 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-29 01:43:12,549 INFO  L158              Benchmark]: Toolchain (without parser) took 10316.66ms. Allocated memory was 184.5MB in the beginning and 513.8MB in the end (delta: 329.3MB). Free memory was 144.9MB in the beginning and 311.4MB in the end (delta: -166.5MB). Peak memory consumption was 164.7MB. Max. memory is 16.1GB.
[2023-11-29 01:43:12,549 INFO  L158              Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory was 60.6MB in the beginning and 60.4MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-29 01:43:12,549 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 708.58ms. Allocated memory is still 184.5MB. Free memory was 144.4MB in the beginning and 129.1MB in the end (delta: 15.3MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB.
[2023-11-29 01:43:12,550 INFO  L158              Benchmark]: Boogie Procedure Inliner took 509.47ms. Allocated memory was 184.5MB in the beginning and 323.0MB in the end (delta: 138.4MB). Free memory was 129.1MB in the beginning and 206.6MB in the end (delta: -77.5MB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB.
[2023-11-29 01:43:12,550 INFO  L158              Benchmark]: Boogie Preprocessor took 676.62ms. Allocated memory is still 323.0MB. Free memory was 206.6MB in the beginning and 147.9MB in the end (delta: 58.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB.
[2023-11-29 01:43:12,551 INFO  L158              Benchmark]: RCFGBuilder took 4257.20ms. Allocated memory was 323.0MB in the beginning and 427.8MB in the end (delta: 104.9MB). Free memory was 147.9MB in the beginning and 262.1MB in the end (delta: -114.2MB). Peak memory consumption was 127.1MB. Max. memory is 16.1GB.
[2023-11-29 01:43:12,551 INFO  L158              Benchmark]: TraceAbstraction took 4154.12ms. Allocated memory was 427.8MB in the beginning and 513.8MB in the end (delta: 86.0MB). Free memory was 261.0MB in the beginning and 311.4MB in the end (delta: -50.3MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB.
[2023-11-29 01:43:12,551 INFO  L158              Benchmark]: Witness Printer took 3.65ms. Allocated memory is still 513.8MB. Free memory is still 311.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-29 01:43:12,553 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory was 60.6MB in the beginning and 60.4MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 708.58ms. Allocated memory is still 184.5MB. Free memory was 144.4MB in the beginning and 129.1MB in the end (delta: 15.3MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 509.47ms. Allocated memory was 184.5MB in the beginning and 323.0MB in the end (delta: 138.4MB). Free memory was 129.1MB in the beginning and 206.6MB in the end (delta: -77.5MB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 676.62ms. Allocated memory is still 323.0MB. Free memory was 206.6MB in the beginning and 147.9MB in the end (delta: 58.7MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB.
 * RCFGBuilder took 4257.20ms. Allocated memory was 323.0MB in the beginning and 427.8MB in the end (delta: 104.9MB). Free memory was 147.9MB in the beginning and 262.1MB in the end (delta: -114.2MB). Peak memory consumption was 127.1MB. Max. memory is 16.1GB.
 * TraceAbstraction took 4154.12ms. Allocated memory was 427.8MB in the beginning and 513.8MB in the end (delta: 86.0MB). Free memory was 261.0MB in the beginning and 311.4MB in the end (delta: -50.3MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB.
 * Witness Printer took 3.65ms. Allocated memory is still 513.8MB. Free memory is still 311.4MB. 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~nondet5 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet6 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~nondet14 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet15 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~nondet22 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet23 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~nondet27 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet26 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~nondet33 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet32 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet34 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet35 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet37 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet36 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet38 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet39 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~nondet43 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet42 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet45 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet44 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet47 could not be translated
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~nondet46 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_78 = 0;
[L46]              const SORT_4 var_131 = 2;
[L47]              const SORT_2 var_242 = 2;
[L49]              SORT_1 input_64;
[L50]              SORT_1 input_72;
[L51]              SORT_1 input_79;
[L52]              SORT_1 input_85;
[L53]              SORT_1 input_91;
[L54]              SORT_1 input_97;
[L55]              SORT_1 input_151;
[L56]              SORT_1 input_155;
[L57]              SORT_1 input_158;
[L58]              SORT_1 input_159;
[L59]              SORT_1 input_160;
[L60]              SORT_1 input_161;
[L61]              SORT_1 input_169;
[L62]              SORT_1 input_175;
[L63]              SORT_1 input_181;
[L64]              SORT_1 input_196;
[L65]              SORT_1 input_214;
[L66]              SORT_1 input_232;
[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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0]
[L140]             input_64 = __VERIFIER_nondet_uchar()
[L141]             input_72 = __VERIFIER_nondet_uchar()
[L142]             input_79 = __VERIFIER_nondet_uchar()
[L143]             input_85 = __VERIFIER_nondet_uchar()
[L144]             input_91 = __VERIFIER_nondet_uchar()
[L145]             input_97 = __VERIFIER_nondet_uchar()
[L146]             input_151 = __VERIFIER_nondet_uchar()
[L147]  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_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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0]
[L147]             input_151 = input_151 & mask_SORT_1
[L148]             input_155 = __VERIFIER_nondet_uchar()
[L149]  EXPR       input_155 & 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_151=0, input_155=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0]
[L149]             input_155 = input_155 & mask_SORT_1
[L150]             input_158 = __VERIFIER_nondet_uchar()
[L151]  EXPR       input_158 & 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_151=0, input_155=0, input_158=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0]
[L151]             input_158 = input_158 & mask_SORT_1
[L152]             input_159 = __VERIFIER_nondet_uchar()
[L153]  EXPR       input_159 & 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_151=0, input_155=0, input_158=0, input_159=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0]
[L153]             input_159 = input_159 & mask_SORT_1
[L154]             input_160 = __VERIFIER_nondet_uchar()
[L155]  EXPR       input_160 & 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_151=0, input_155=0, input_158=0, input_159=0, input_160=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0]
[L155]             input_160 = input_160 & mask_SORT_1
[L156]             input_161 = __VERIFIER_nondet_uchar()
[L157]  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_151=0, input_155=0, input_158=0, input_159=0, input_160=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0]
[L157]             input_161 = input_161 & mask_SORT_1
[L158]             input_169 = __VERIFIER_nondet_uchar()
[L159]  EXPR       input_169 & 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_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0]
[L159]             input_169 = input_169 & mask_SORT_1
[L160]             input_175 = __VERIFIER_nondet_uchar()
[L161]  EXPR       input_175 & 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_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0]
[L161]             input_175 = input_175 & mask_SORT_1
[L162]             input_181 = __VERIFIER_nondet_uchar()
[L163]  EXPR       input_181 & 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_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181=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_131=2, var_20=0, var_242=2, var_53=1, var_54=0, var_5=0, var_63=1, var_65=0, var_68=3, var_78=0]
[L163]             input_181 = input_181 & mask_SORT_1
[L164]             input_196 = __VERIFIER_nondet_uchar()
[L165]             input_214 = __VERIFIER_nondet_uchar()
[L166]             input_232 = __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_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181=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_131=2, var_20=0, var_242=2, 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_78=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_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181=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_131=2, var_20=0, var_242=2, 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_78=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_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181=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_131=2, var_20=0, var_242=2, 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_78=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_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181=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_131=2, var_20=0, var_242=2, 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_78=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_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181=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_131=2, var_20=0, var_242=2, 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_78=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_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181=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_131=2, var_20=0, var_242=2, 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_78=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_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181=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_131=2, var_20=0, var_242=2, 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_78=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_151=0, input_155=0, input_158=0, input_159=0, input_160=0, input_161=0, input_169=0, input_175=0, input_181=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_131=2, var_20=0, var_242=2, 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_78=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, 1297 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8189 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8189 mSDsluCounter, 29588 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 19123 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1138 IncrementalHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10465 mSDtfsCounter, 1138 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1304occurred in iteration=4, InterpolantAutomatonStates: 21, 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, 2467 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 482 NumberOfCodeBlocks, 482 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 395 ConstructedInterpolants, 0 QuantifiedInterpolants, 603 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 01:43:12,583 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 f74c0f64dd8b514a3fa45ba4f87a322c4df7984da96078fd039eb406238ea150
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-29 01:43:14,471 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-29 01:43:14,548 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2023-11-29 01:43:14,554 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-29 01:43:14,555 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-29 01:43:14,582 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-29 01:43:14,583 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-29 01:43:14,583 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-29 01:43:14,584 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-29 01:43:14,585 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-11-29 01:43:14,585 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-29 01:43:14,586 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-29 01:43:14,586 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-29 01:43:14,587 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-29 01:43:14,587 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-29 01:43:14,588 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-29 01:43:14,588 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-29 01:43:14,589 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-29 01:43:14,589 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-29 01:43:14,590 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-29 01:43:14,591 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-29 01:43:14,591 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-11-29 01:43:14,592 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-11-29 01:43:14,592 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-11-29 01:43:14,592 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-29 01:43:14,593 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-29 01:43:14,593 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-29 01:43:14,594 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-29 01:43:14,594 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-11-29 01:43:14,594 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-29 01:43:14,595 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-29 01:43:14,595 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-29 01:43:14,595 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-29 01:43:14,596 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-29 01:43:14,596 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-11-29 01:43:14,596 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2023-11-29 01:43:14,596 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-29 01:43:14,596 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-29 01:43:14,596 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-29 01:43:14,597 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-29 01:43:14,597 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-29 01:43:14,597 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-11-29 01:43:14,597 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_03d8fdca-7004-4247-a258-c9ab4ec8baba/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_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 -> f74c0f64dd8b514a3fa45ba4f87a322c4df7984da96078fd039eb406238ea150
[2023-11-29 01:43:14,872 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-29 01:43:14,894 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-29 01:43:14,897 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-29 01:43:14,898 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-29 01:43:14,899 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-29 01:43:14,900 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c
[2023-11-29 01:43:17,713 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-29 01:43:18,004 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-29 01:43:18,004 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c
[2023-11-29 01:43:18,020 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/data/03cb3ce9e/dd23be5c061f432293bbf8e556f42c7a/FLAG48faa2153
[2023-11-29 01:43:18,035 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/data/03cb3ce9e/dd23be5c061f432293bbf8e556f42c7a
[2023-11-29 01:43:18,038 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-29 01:43:18,039 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-29 01:43:18,041 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-29 01:43:18,041 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-29 01:43:18,046 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-29 01:43:18,046 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:43:18" (1/1) ...
[2023-11-29 01:43:18,047 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a72ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:18, skipping insertion in model container
[2023-11-29 01:43:18,048 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:43:18" (1/1) ...
[2023-11-29 01:43:18,116 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-29 01:43:18,286 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_03d8fdca-7004-4247-a258-c9ab4ec8baba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c[1175,1188]
[2023-11-29 01:43:18,508 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-29 01:43:18,521 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-29 01:43:18,534 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_03d8fdca-7004-4247-a258-c9ab4ec8baba/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.anderson.3.prop1-func-interl.c[1175,1188]
[2023-11-29 01:43:18,650 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-29 01:43:18,666 INFO  L206         MainTranslator]: Completed translation
[2023-11-29 01:43:18,666 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:18 WrapperNode
[2023-11-29 01:43:18,667 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-29 01:43:18,668 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-29 01:43:18,668 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-29 01:43:18,668 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-29 01:43:18,676 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:18" (1/1) ...
[2023-11-29 01:43:18,712 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:18" (1/1) ...
[2023-11-29 01:43:18,809 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1435
[2023-11-29 01:43:18,810 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-29 01:43:18,811 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-29 01:43:18,811 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-29 01:43:18,811 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-29 01:43:18,822 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:18" (1/1) ...
[2023-11-29 01:43:18,822 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:18" (1/1) ...
[2023-11-29 01:43:18,832 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:18" (1/1) ...
[2023-11-29 01:43:18,865 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 01:43:18,865 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:18" (1/1) ...
[2023-11-29 01:43:18,865 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:18" (1/1) ...
[2023-11-29 01:43:18,904 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:18" (1/1) ...
[2023-11-29 01:43:18,910 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:18" (1/1) ...
[2023-11-29 01:43:18,916 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:18" (1/1) ...
[2023-11-29 01:43:18,926 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:18" (1/1) ...
[2023-11-29 01:43:18,939 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-29 01:43:18,940 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-29 01:43:18,940 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-29 01:43:18,941 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-29 01:43:18,941 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:18" (1/1) ...
[2023-11-29 01:43:18,948 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-29 01:43:18,962 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/z3
[2023-11-29 01:43:18,981 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-11-29 01:43:18,985 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-11-29 01:43:19,018 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-29 01:43:19,018 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-11-29 01:43:19,019 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-29 01:43:19,019 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-29 01:43:19,296 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-29 01:43:19,298 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-29 01:43:23,271 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-29 01:43:23,338 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-29 01:43:23,339 INFO  L309             CfgBuilder]: Removed 1 assume(true) statements.
[2023-11-29 01:43:23,339 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:43:23 BoogieIcfgContainer
[2023-11-29 01:43:23,340 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-29 01:43:23,342 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-29 01:43:23,342 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-29 01:43:23,345 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-29 01:43:23,345 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 01:43:18" (1/3) ...
[2023-11-29 01:43:23,345 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@735eadff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:43:23, skipping insertion in model container
[2023-11-29 01:43:23,346 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:43:18" (2/3) ...
[2023-11-29 01:43:23,346 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@735eadff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 01:43:23, skipping insertion in model container
[2023-11-29 01:43:23,346 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:43:23" (3/3) ...
[2023-11-29 01:43:23,347 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.anderson.3.prop1-func-interl.c
[2023-11-29 01:43:23,361 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-29 01:43:23,361 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-29 01:43:23,398 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-29 01:43:23,403 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;@750e7a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-29 01:43:23,403 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-29 01:43:23,406 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 01:43:23,411 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 5
[2023-11-29 01:43:23,411 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:43:23,412 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1]
[2023-11-29 01:43:23,412 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:43:23,417 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:43:23,417 INFO  L85        PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times
[2023-11-29 01:43:23,428 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-29 01:43:23,428 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2018449928]
[2023-11-29 01:43:23,429 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:43:23,429 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 01:43:23,429 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/mathsat
[2023-11-29 01:43:23,431 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 01:43:23,446 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 01:43:23,771 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:43:23,777 INFO  L262         TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 32 conjunts are in the unsatisfiable core
[2023-11-29 01:43:23,786 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-29 01:43:24,154 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 01:43:24,155 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-29 01:43:24,155 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-29 01:43:24,156 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2018449928]
[2023-11-29 01:43:24,156 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2018449928] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-29 01:43:24,157 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-29 01:43:24,157 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-29 01:43:24,159 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592506253]
[2023-11-29 01:43:24,159 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-29 01:43:24,164 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-29 01:43:24,164 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-29 01:43:24,192 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-29 01:43:24,193 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-29 01:43:24,195 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 01:43:26,160 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-29 01:43:26,316 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:43:26,316 INFO  L93              Difference]: Finished difference Result 16 states and 24 transitions.
[2023-11-29 01:43:26,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-29 01:43:26,318 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 01:43:26,319 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:43:26,325 INFO  L225             Difference]: With dead ends: 16
[2023-11-29 01:43:26,325 INFO  L226             Difference]: Without dead ends: 9
[2023-11-29 01:43:26,327 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 01:43:26,330 INFO  L413           NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s 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, 2.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:43:26,332 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2023-11-29 01:43:26,345 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2023-11-29 01:43:26,353 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8.
[2023-11-29 01:43:26,354 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 01:43:26,355 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions.
[2023-11-29 01:43:26,356 INFO  L78                 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4
[2023-11-29 01:43:26,356 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:43:26,357 INFO  L495      AbstractCegarLoop]: Abstraction has 8 states and 8 transitions.
[2023-11-29 01:43:26,357 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 01:43:26,357 INFO  L276                IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions.
[2023-11-29 01:43:26,357 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-29 01:43:26,357 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:43:26,358 INFO  L195           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1]
[2023-11-29 01:43:26,362 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 01:43:26,558 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 01:43:26,559 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:43:26,559 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:43:26,559 INFO  L85        PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times
[2023-11-29 01:43:26,562 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-29 01:43:26,562 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1807222403]
[2023-11-29 01:43:26,562 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-29 01:43:26,562 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 01:43:26,562 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/mathsat
[2023-11-29 01:43:26,563 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 01:43:26,567 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 01:43:28,286 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-29 01:43:28,355 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1206 conjuncts, 111 conjunts are in the unsatisfiable core
[2023-11-29 01:43:28,368 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-29 01:43:29,958 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 01:43:29,958 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-29 01:43:33,641 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 01:43:33,641 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-29 01:43:33,641 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1807222403]
[2023-11-29 01:43:33,642 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1807222403] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-29 01:43:33,642 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-29 01:43:33,642 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7
[2023-11-29 01:43:33,642 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979956675]
[2023-11-29 01:43:33,642 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-29 01:43:33,644 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-29 01:43:33,644 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-29 01:43:33,644 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-29 01:43:33,645 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2023-11-29 01:43:33,645 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 01:43:36,766 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 01:43:38,642 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2023-11-29 01:43:38,717 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:43:38,717 INFO  L93              Difference]: Finished difference Result 14 states and 14 transitions.
[2023-11-29 01:43:38,717 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-29 01:43:38,718 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 01:43:38,718 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:43:38,718 INFO  L225             Difference]: With dead ends: 14
[2023-11-29 01:43:38,718 INFO  L226             Difference]: Without dead ends: 12
[2023-11-29 01:43:38,719 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110
[2023-11-29 01:43:38,720 INFO  L413           NwaCegarLoop]: 2 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s 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, 4.1s IncrementalHoareTripleChecker+Time
[2023-11-29 01:43:38,721 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time]
[2023-11-29 01:43:38,722 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 12 states.
[2023-11-29 01:43:38,725 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11.
[2023-11-29 01:43:38,725 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 01:43:38,726 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions.
[2023-11-29 01:43:38,726 INFO  L78                 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7
[2023-11-29 01:43:38,726 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:43:38,726 INFO  L495      AbstractCegarLoop]: Abstraction has 11 states and 11 transitions.
[2023-11-29 01:43:38,727 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 01:43:38,727 INFO  L276                IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions.
[2023-11-29 01:43:38,727 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2023-11-29 01:43:38,727 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:43:38,727 INFO  L195           NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1]
[2023-11-29 01:43:38,746 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 01:43:38,928 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 01:43:38,928 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:43:38,928 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:43:38,929 INFO  L85        PathProgramCache]: Analyzing trace with hash -2112524529, now seen corresponding path program 2 times
[2023-11-29 01:43:38,940 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-29 01:43:38,941 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1688880507]
[2023-11-29 01:43:38,941 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-29 01:43:38,941 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 01:43:38,941 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/mathsat
[2023-11-29 01:43:38,942 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 01:43:38,943 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 01:43:42,359 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-29 01:43:42,360 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-29 01:43:42,482 INFO  L262         TraceCheckSpWp]: Trace formula consists of 2298 conjuncts, 195 conjunts are in the unsatisfiable core
[2023-11-29 01:43:42,503 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-29 01:43:52,613 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 01:43:52,614 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-29 01:44:14,929 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 01:44:14,929 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-29 01:44:14,929 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1688880507]
[2023-11-29 01:44:14,929 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1688880507] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-29 01:44:14,929 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-29 01:44:14,929 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9
[2023-11-29 01:44:14,930 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060862207]
[2023-11-29 01:44:14,930 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-29 01:44:14,930 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-11-29 01:44:14,930 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-29 01:44:14,931 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-11-29 01:44:14,931 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=62, Unknown=4, NotChecked=0, Total=90
[2023-11-29 01:44:14,931 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 01:44:23,325 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 01:44:47,687 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 01:45:01,474 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 01:45:02,870 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 01:45:02,973 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:45:02,973 INFO  L93              Difference]: Finished difference Result 17 states and 17 transitions.
[2023-11-29 01:45:02,974 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-11-29 01:45:02,974 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 01:45:02,974 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:45:02,975 INFO  L225             Difference]: With dead ends: 17
[2023-11-29 01:45:02,975 INFO  L226             Difference]: Without dead ends: 15
[2023-11-29 01:45:02,975 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 60.1s TimeCoverageRelationStatistics Valid=64, Invalid=135, Unknown=11, NotChecked=0, Total=210
[2023-11-29 01:45:02,976 INFO  L413           NwaCegarLoop]: 2 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s 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, 12.0s IncrementalHoareTripleChecker+Time
[2023-11-29 01:45:02,977 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 14 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 1 Unknown, 0 Unchecked, 12.0s Time]
[2023-11-29 01:45:02,977 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15 states.
[2023-11-29 01:45:02,982 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14.
[2023-11-29 01:45:02,983 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 01:45:02,983 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions.
[2023-11-29 01:45:02,983 INFO  L78                 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 10
[2023-11-29 01:45:02,984 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:45:02,984 INFO  L495      AbstractCegarLoop]: Abstraction has 14 states and 14 transitions.
[2023-11-29 01:45:02,984 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 01:45:02,984 INFO  L276                IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions.
[2023-11-29 01:45:02,984 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2023-11-29 01:45:02,985 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:45:02,985 INFO  L195           NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1]
[2023-11-29 01:45:03,020 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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)] Forceful destruction successful, exit code 0
[2023-11-29 01:45:03,185 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 01:45:03,186 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:45:03,186 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:45:03,186 INFO  L85        PathProgramCache]: Analyzing trace with hash -57678563, now seen corresponding path program 3 times
[2023-11-29 01:45:03,188 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-29 01:45:03,188 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21372407]
[2023-11-29 01:45:03,188 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-11-29 01:45:03,188 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 01:45:03,188 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/mathsat
[2023-11-29 01:45:03,189 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 01:45:03,190 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 01:45:12,291 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s)
[2023-11-29 01:45:12,292 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-29 01:45:12,477 INFO  L262         TraceCheckSpWp]: Trace formula consists of 3390 conjuncts, 375 conjunts are in the unsatisfiable core
[2023-11-29 01:45:12,509 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-29 01:45:42,791 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 01:45:42,791 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-29 01:46:44,497 INFO  L134       CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:46:44,497 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-29 01:46:44,497 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [21372407]
[2023-11-29 01:46:44,497 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [21372407] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-29 01:46:44,497 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-29 01:46:44,497 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11
[2023-11-29 01:46:44,497 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481565852]
[2023-11-29 01:46:44,497 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-29 01:46:44,498 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2023-11-29 01:46:44,498 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-29 01:46:44,498 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2023-11-29 01:46:44,498 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=95, Unknown=10, NotChecked=0, Total=132
[2023-11-29 01:46:44,499 INFO  L87              Difference]: Start difference. First operand 14 states and 14 transitions. Second operand  has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 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 01:46:59,435 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 01:47:01,760 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2023-11-29 01:47:27,140 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2023-11-29 01:47:35,842 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2023-11-29 01:47:40,128 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 01:47:41,824 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2023-11-29 01:48:27,683 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 01:48:28,805 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2023-11-29 01:48:32,992 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 01:48:52,479 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 01:48:53,151 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:48:53,151 INFO  L93              Difference]: Finished difference Result 20 states and 20 transitions.
[2023-11-29 01:48:53,152 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-11-29 01:48:53,152 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 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 13
[2023-11-29 01:48:53,152 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:48:53,152 INFO  L225             Difference]: With dead ends: 20
[2023-11-29 01:48:53,153 INFO  L226             Difference]: Without dead ends: 18
[2023-11-29 01:48:53,153 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 171.2s TimeCoverageRelationStatistics Valid=94, Invalid=224, Unknown=24, NotChecked=0, Total=342
[2023-11-29 01:48:53,154 INFO  L413           NwaCegarLoop]: 2 mSDtfsCounter, 14 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 6 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.6s IncrementalHoareTripleChecker+Time
[2023-11-29 01:48:53,154 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 13 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 28 Invalid, 5 Unknown, 0 Unchecked, 31.6s Time]
[2023-11-29 01:48:53,155 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2023-11-29 01:48:53,167 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17.
[2023-11-29 01:48:53,167 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 17 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 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 01:48:53,167 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions.
[2023-11-29 01:48:53,167 INFO  L78                 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 13
[2023-11-29 01:48:53,167 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:48:53,168 INFO  L495      AbstractCegarLoop]: Abstraction has 17 states and 17 transitions.
[2023-11-29 01:48:53,168 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 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 01:48:53,168 INFO  L276                IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions.
[2023-11-29 01:48:53,168 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-11-29 01:48:53,168 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:48:53,168 INFO  L195           NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1]
[2023-11-29 01:48:53,218 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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)] Ended with exit code 0
[2023-11-29 01:48:53,369 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 01:48:53,369 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:48:53,369 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:48:53,370 INFO  L85        PathProgramCache]: Analyzing trace with hash -310375345, now seen corresponding path program 4 times
[2023-11-29 01:48:53,372 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-29 01:48:53,372 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2085386039]
[2023-11-29 01:48:53,372 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2023-11-29 01:48:53,372 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 01:48:53,372 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/mathsat
[2023-11-29 01:48:53,373 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 01:48:53,374 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 (6)] Waiting until timeout for monitored process
[2023-11-29 01:49:02,091 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2023-11-29 01:49:02,092 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-29 01:49:02,336 INFO  L262         TraceCheckSpWp]: Trace formula consists of 4482 conjuncts, 507 conjunts are in the unsatisfiable core
[2023-11-29 01:49:02,357 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-29 01:50:01,532 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 14 refuted. 12 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:50:01,532 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-29 01:53:13,182 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-29 01:53:13,182 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-11-29 01:53:13,182 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2085386039]
[2023-11-29 01:53:13,182 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2085386039] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-29 01:53:13,182 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-29 01:53:13,182 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13
[2023-11-29 01:53:13,183 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764022922]
[2023-11-29 01:53:13,183 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-29 01:53:13,183 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2023-11-29 01:53:13,183 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-11-29 01:53:13,184 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2023-11-29 01:53:13,184 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=122, Unknown=19, NotChecked=0, Total=182
[2023-11-29 01:53:13,184 INFO  L87              Difference]: Start difference. First operand 17 states and 17 transitions. Second operand  has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 13 states have internal predecessors, (31), 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 01:53:20,686 WARN  L293               SmtUtils]: Spent 6.09s on a formula simplification. DAG size of input: 1302 DAG size of output: 1302 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-11-29 01:53:32,612 WARN  L293               SmtUtils]: Spent 6.57s on a formula simplification. DAG size of input: 1304 DAG size of output: 1304 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2023-11-29 01:53:35,280 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 01:53:40,052 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.70s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2023-11-29 01:54:18,949 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2023-11-29 01:54:35,143 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.53s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2023-11-29 01:54:39,565 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 01:54:43,623 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.56s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2023-11-29 01:54:46,727 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 01:54:47,972 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2023-11-29 01:55:28,850 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2023-11-29 01:55:48,156 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2023-11-29 01:55:50,282 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2023-11-29 01:56:58,833 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1]
[2023-11-29 01:57:28,632 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 01:57:32,769 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-11-29 01:57:35,087 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-11-29 01:57:35,087 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-29 01:57:35,088 INFO  L93              Difference]: Finished difference Result 23 states and 23 transitions.
[2023-11-29 01:57:35,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2023-11-29 01:57:35,144 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 13 states have internal predecessors, (31), 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 16
[2023-11-29 01:57:35,144 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-29 01:57:35,144 INFO  L225             Difference]: With dead ends: 23
[2023-11-29 01:57:35,145 INFO  L226             Difference]: Without dead ends: 21
[2023-11-29 01:57:35,145 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 422.2s TimeCoverageRelationStatistics Valid=142, Invalid=322, Unknown=42, NotChecked=0, Total=506
[2023-11-29 01:57:35,146 INFO  L413           NwaCegarLoop]: 2 mSDtfsCounter, 17 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.9s IncrementalHoareTripleChecker+Time
[2023-11-29 01:57:35,147 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 15 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 36 Invalid, 3 Unknown, 0 Unchecked, 47.9s Time]
[2023-11-29 01:57:35,147 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2023-11-29 01:57:35,176 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20.
[2023-11-29 01:57:35,177 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 20 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 states have internal predecessors, (20), 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 01:57:35,177 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions.
[2023-11-29 01:57:35,177 INFO  L78                 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 16
[2023-11-29 01:57:35,178 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-29 01:57:35,178 INFO  L495      AbstractCegarLoop]: Abstraction has 20 states and 20 transitions.
[2023-11-29 01:57:35,178 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 2.2142857142857144) internal successors, (31), 13 states have internal predecessors, (31), 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 01:57:35,178 INFO  L276                IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions.
[2023-11-29 01:57:35,178 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2023-11-29 01:57:35,178 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-29 01:57:35,179 INFO  L195           NwaCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1]
[2023-11-29 01:57:35,251 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 (6)] Forceful destruction successful, exit code 0
[2023-11-29 01:57:35,379 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 01:57:35,379 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-29 01:57:35,379 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-29 01:57:35,379 INFO  L85        PathProgramCache]: Analyzing trace with hash 677461981, now seen corresponding path program 5 times
[2023-11-29 01:57:35,382 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-11-29 01:57:35,382 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [480158834]
[2023-11-29 01:57:35,382 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2023-11-29 01:57:35,382 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 01:57:35,383 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/bin/uautomizer-verify-BQ2R08f2Ya/mathsat
[2023-11-29 01:57:35,383 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 01:57:35,384 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d8fdca-7004-4247-a258-c9ab4ec8baba/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 (7)] Waiting until timeout for monitored process