./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-56.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-56.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1 --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 32bit --witnessprinter.graph.data.programhash 7f5f1ca3146cd2019b0f547ef0aea9581be4eafb97b41143c289b9e58717caae
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 11:01:19,301 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 11:01:19,379 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 11:01:19,386 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 11:01:19,386 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 11:01:19,414 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 11:01:19,415 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 11:01:19,415 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 11:01:19,415 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 11:01:19,416 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-12-02 11:01:19,416 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 11:01:19,416 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 11:01:19,416 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 11:01:19,416 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 11:01:19,416 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 11:01:19,417 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 11:01:19,417 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 11:01:19,417 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-02 11:01:19,417 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 11:01:19,417 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-02 11:01:19,417 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 11:01:19,417 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 11:01:19,417 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 11:01:19,418 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 11:01:19,418 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-02 11:01:19,418 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 11:01:19,418 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 11:01:19,418 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 11:01:19,418 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 11:01:19,418 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 11:01:19,418 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:01:19,418 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 11:01:19,419 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:01:19,419 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 11:01:19,419 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 11:01:19,419 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:01:19,419 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 11:01:19,419 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:01:19,419 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 11:01:19,419 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 11:01:19,419 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 11:01:19,420 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 11:01:19,420 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 11:01:19,420 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 11:01:19,420 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 11:01:19,420 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 11:01:19,420 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 11:01:19,420 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 11:01:19,420 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1
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 -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f5f1ca3146cd2019b0f547ef0aea9581be4eafb97b41143c289b9e58717caae
[2024-12-02 11:01:19,735 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 11:01:19,747 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 11:01:19,750 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 11:01:19,752 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 11:01:19,752 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 11:01:19,754 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-56.i
[2024-12-02 11:01:23,052 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/data/8ada22057/bf274e4992714f02b6fd359b64188c0e/FLAG945c1ec74
[2024-12-02 11:01:23,258 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 11:01:23,259 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-56.i
[2024-12-02 11:01:23,265 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/data/8ada22057/bf274e4992714f02b6fd359b64188c0e/FLAG945c1ec74
[2024-12-02 11:01:23,623 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/data/8ada22057/bf274e4992714f02b6fd359b64188c0e
[2024-12-02 11:01:23,625 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 11:01:23,626 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 11:01:23,627 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 11:01:23,627 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 11:01:23,631 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 11:01:23,631 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:01:23" (1/1) ...
[2024-12-02 11:01:23,632 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d1b89c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:01:23, skipping insertion in model container
[2024-12-02 11:01:23,632 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:01:23" (1/1) ...
[2024-12-02 11:01:23,649 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 11:01:23,773 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-56.i[913,926]
[2024-12-02 11:01:23,822 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:01:23,829 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 11:01:23,837 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-56.i[913,926]
[2024-12-02 11:01:23,864 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:01:23,879 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 11:01:23,879 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:01:23 WrapperNode
[2024-12-02 11:01:23,879 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 11:01:23,880 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 11:01:23,880 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 11:01:23,880 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 11:01:23,886 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:01:23" (1/1) ...
[2024-12-02 11:01:23,895 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:01:23" (1/1) ...
[2024-12-02 11:01:23,931 INFO  L138                Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132
[2024-12-02 11:01:23,932 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 11:01:23,932 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 11:01:23,932 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 11:01:23,932 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 11:01:23,941 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:01:23" (1/1) ...
[2024-12-02 11:01:23,941 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:01:23" (1/1) ...
[2024-12-02 11:01:23,945 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:01:23" (1/1) ...
[2024-12-02 11:01:23,965 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 11:01:23,965 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:01:23" (1/1) ...
[2024-12-02 11:01:23,965 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:01:23" (1/1) ...
[2024-12-02 11:01:23,975 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:01:23" (1/1) ...
[2024-12-02 11:01:23,977 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:01:23" (1/1) ...
[2024-12-02 11:01:23,980 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:01:23" (1/1) ...
[2024-12-02 11:01:23,983 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:01:23" (1/1) ...
[2024-12-02 11:01:23,986 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:01:23" (1/1) ...
[2024-12-02 11:01:23,991 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 11:01:23,992 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 11:01:23,992 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 11:01:23,992 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 11:01:23,993 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:01:23" (1/1) ...
[2024-12-02 11:01:23,998 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:01:24,009 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:01:24,021 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 11:01:24,023 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 11:01:24,047 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 11:01:24,047 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-12-02 11:01:24,047 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-12-02 11:01:24,047 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 11:01:24,047 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 11:01:24,047 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 11:01:24,109 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 11:01:24,111 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 11:01:24,375 INFO  L?                        ?]: Removed 14 outVars from TransFormulas that were not future-live.
[2024-12-02 11:01:24,375 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 11:01:24,384 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 11:01:24,384 INFO  L312             CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 11:01:24,385 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:01:24 BoogieIcfgContainer
[2024-12-02 11:01:24,385 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 11:01:24,387 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 11:01:24,387 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 11:01:24,392 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 11:01:24,392 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:01:23" (1/3) ...
[2024-12-02 11:01:24,392 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236d94dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:01:24, skipping insertion in model container
[2024-12-02 11:01:24,392 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:01:23" (2/3) ...
[2024-12-02 11:01:24,393 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@236d94dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:01:24, skipping insertion in model container
[2024-12-02 11:01:24,393 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:01:24" (3/3) ...
[2024-12-02 11:01:24,394 INFO  L128   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-56.i
[2024-12-02 11:01:24,406 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 11:01:24,407 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-56.i that has 2 procedures, 62 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 11:01:24,448 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 11:01:24,458 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@282b7c24, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 11:01:24,458 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 11:01:24,461 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 62 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 38 states have internal predecessors, (49), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22)
[2024-12-02 11:01:24,480 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-12-02 11:01:24,480 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:01:24,481 INFO  L218           NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:01:24,481 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:01:24,486 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:01:24,486 INFO  L85        PathProgramCache]: Analyzing trace with hash -740184149, now seen corresponding path program 1 times
[2024-12-02 11:01:24,494 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:01:24,494 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508099067]
[2024-12-02 11:01:24,494 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:01:24,495 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:01:24,591 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:01:24,743 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked.
[2024-12-02 11:01:24,743 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:01:24,744 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508099067]
[2024-12-02 11:01:24,744 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508099067] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:01:24,744 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245984855]
[2024-12-02 11:01:24,744 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:01:24,745 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:01:24,745 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:01:24,747 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:01:24,750 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 11:01:24,879 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:01:24,882 INFO  L256         TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-12-02 11:01:24,889 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:01:24,913 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked.
[2024-12-02 11:01:24,913 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 11:01:24,913 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245984855] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:01:24,913 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 11:01:24,913 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-12-02 11:01:24,915 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23650618]
[2024-12-02 11:01:24,916 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:01:24,919 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 11:01:24,920 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:01:24,936 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 11:01:24,937 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 11:01:24,938 INFO  L87              Difference]: Start difference. First operand  has 62 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 38 states have internal predecessors, (49), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand  has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22)
[2024-12-02 11:01:24,956 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:01:24,957 INFO  L93              Difference]: Finished difference Result 117 states and 202 transitions.
[2024-12-02 11:01:24,957 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-02 11:01:24,958 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 139
[2024-12-02 11:01:24,958 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:01:24,962 INFO  L225             Difference]: With dead ends: 117
[2024-12-02 11:01:24,962 INFO  L226             Difference]: Without dead ends: 58
[2024-12-02 11:01:24,965 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 11:01:24,967 INFO  L435           NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:01:24,968 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:01:24,978 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-12-02 11:01:24,992 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2024-12-02 11:01:24,993 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 58 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22)
[2024-12-02 11:01:24,996 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 86 transitions.
[2024-12-02 11:01:24,997 INFO  L78                 Accepts]: Start accepts. Automaton has 58 states and 86 transitions. Word has length 139
[2024-12-02 11:01:24,997 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:01:24,997 INFO  L471      AbstractCegarLoop]: Abstraction has 58 states and 86 transitions.
[2024-12-02 11:01:24,997 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22)
[2024-12-02 11:01:24,998 INFO  L276                IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions.
[2024-12-02 11:01:25,000 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-12-02 11:01:25,000 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:01:25,000 INFO  L218           NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:01:25,006 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 11:01:25,200 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e51bee4a-5513-443d-9109-dedd955dbc83/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-12-02 11:01:25,201 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:01:25,201 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:01:25,201 INFO  L85        PathProgramCache]: Analyzing trace with hash 1981958379, now seen corresponding path program 1 times
[2024-12-02 11:01:25,201 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:01:25,201 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790521454]
[2024-12-02 11:01:25,201 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:01:25,202 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:01:25,272 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:01:25,708 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked.
[2024-12-02 11:01:25,708 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:01:25,708 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790521454]
[2024-12-02 11:01:25,708 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790521454] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:01:25,708 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:01:25,708 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:01:25,708 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620897818]
[2024-12-02 11:01:25,708 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:01:25,709 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:01:25,709 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:01:25,710 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:01:25,710 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:01:25,710 INFO  L87              Difference]: Start difference. First operand 58 states and 86 transitions. Second operand  has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22)
[2024-12-02 11:01:25,752 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:01:25,752 INFO  L93              Difference]: Finished difference Result 113 states and 169 transitions.
[2024-12-02 11:01:25,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-02 11:01:25,753 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 139
[2024-12-02 11:01:25,754 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:01:25,755 INFO  L225             Difference]: With dead ends: 113
[2024-12-02 11:01:25,755 INFO  L226             Difference]: Without dead ends: 58
[2024-12-02 11:01:25,755 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:01:25,756 INFO  L435           NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:01:25,757 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:01:25,757 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-12-02 11:01:25,764 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2024-12-02 11:01:25,765 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 58 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 34 states have internal predecessors, (41), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22)
[2024-12-02 11:01:25,765 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions.
[2024-12-02 11:01:25,766 INFO  L78                 Accepts]: Start accepts. Automaton has 58 states and 85 transitions. Word has length 139
[2024-12-02 11:01:25,767 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:01:25,767 INFO  L471      AbstractCegarLoop]: Abstraction has 58 states and 85 transitions.
[2024-12-02 11:01:25,767 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22)
[2024-12-02 11:01:25,767 INFO  L276                IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions.
[2024-12-02 11:01:25,769 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-12-02 11:01:25,769 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:01:25,769 INFO  L218           NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:01:25,770 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 11:01:25,770 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:01:25,770 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:01:25,770 INFO  L85        PathProgramCache]: Analyzing trace with hash 1924700077, now seen corresponding path program 1 times
[2024-12-02 11:01:25,770 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:01:25,771 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209329836]
[2024-12-02 11:01:25,771 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:01:25,771 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:01:25,842 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:01:26,464 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked.
[2024-12-02 11:01:26,464 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:01:26,464 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209329836]
[2024-12-02 11:01:26,464 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209329836] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:01:26,464 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:01:26,464 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:01:26,465 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971207591]
[2024-12-02 11:01:26,465 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:01:26,465 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:01:26,465 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:01:26,466 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:01:26,466 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:01:26,466 INFO  L87              Difference]: Start difference. First operand 58 states and 85 transitions. Second operand  has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22)
[2024-12-02 11:01:26,566 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:01:26,566 INFO  L93              Difference]: Finished difference Result 155 states and 221 transitions.
[2024-12-02 11:01:26,567 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-02 11:01:26,567 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 139
[2024-12-02 11:01:26,568 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:01:26,569 INFO  L225             Difference]: With dead ends: 155
[2024-12-02 11:01:26,569 INFO  L226             Difference]: Without dead ends: 100
[2024-12-02 11:01:26,570 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:01:26,570 INFO  L435           NwaCegarLoop]: 93 mSDtfsCounter, 48 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:01:26,571 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 320 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:01:26,572 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2024-12-02 11:01:26,582 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 85.
[2024-12-02 11:01:26,582 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 85 states, 56 states have (on average 1.25) internal successors, (70), 57 states have internal predecessors, (70), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26)
[2024-12-02 11:01:26,583 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 122 transitions.
[2024-12-02 11:01:26,584 INFO  L78                 Accepts]: Start accepts. Automaton has 85 states and 122 transitions. Word has length 139
[2024-12-02 11:01:26,584 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:01:26,585 INFO  L471      AbstractCegarLoop]: Abstraction has 85 states and 122 transitions.
[2024-12-02 11:01:26,585 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22)
[2024-12-02 11:01:26,585 INFO  L276                IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions.
[2024-12-02 11:01:26,587 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-12-02 11:01:26,587 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:01:26,587 INFO  L218           NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:01:26,587 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 11:01:26,588 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:01:26,588 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:01:26,588 INFO  L85        PathProgramCache]: Analyzing trace with hash 1115353451, now seen corresponding path program 1 times
[2024-12-02 11:01:26,588 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:01:26,588 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783690817]
[2024-12-02 11:01:26,589 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:01:26,589 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:01:26,694 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:07:36,731 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked.
[2024-12-02 11:07:36,731 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:07:36,732 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783690817]
[2024-12-02 11:07:36,732 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783690817] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:07:36,732 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:07:36,732 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2024-12-02 11:07:36,732 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329325798]
[2024-12-02 11:07:36,732 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:07:36,732 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-12-02 11:07:36,732 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:07:36,733 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-12-02 11:07:36,733 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182
[2024-12-02 11:07:36,733 INFO  L87              Difference]: Start difference. First operand 85 states and 122 transitions. Second operand  has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22)
[2024-12-02 11:07:39,590 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:07:39,591 INFO  L93              Difference]: Finished difference Result 130 states and 173 transitions.
[2024-12-02 11:07:39,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-12-02 11:07:39,592 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 139
[2024-12-02 11:07:39,593 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:07:39,596 INFO  L225             Difference]: With dead ends: 130
[2024-12-02 11:07:39,596 INFO  L226             Difference]: Without dead ends: 128
[2024-12-02 11:07:39,597 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240
[2024-12-02 11:07:39,598 INFO  L435           NwaCegarLoop]: 71 mSDtfsCounter, 85 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 11:07:39,598 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 421 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 11:07:39,599 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 128 states.
[2024-12-02 11:07:39,614 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 92.
[2024-12-02 11:07:39,614 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 92 states, 63 states have (on average 1.2380952380952381) internal successors, (78), 64 states have internal predecessors, (78), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26)
[2024-12-02 11:07:39,616 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 130 transitions.
[2024-12-02 11:07:39,616 INFO  L78                 Accepts]: Start accepts. Automaton has 92 states and 130 transitions. Word has length 139
[2024-12-02 11:07:39,617 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:07:39,617 INFO  L471      AbstractCegarLoop]: Abstraction has 92 states and 130 transitions.
[2024-12-02 11:07:39,617 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22)
[2024-12-02 11:07:39,617 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions.
[2024-12-02 11:07:39,619 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-12-02 11:07:39,620 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:07:39,620 INFO  L218           NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:07:39,620 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 11:07:39,620 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:07:39,621 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:07:39,621 INFO  L85        PathProgramCache]: Analyzing trace with hash 1795411821, now seen corresponding path program 1 times
[2024-12-02 11:07:39,621 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:07:39,621 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774296932]
[2024-12-02 11:07:39,622 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:07:39,622 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:07:39,707 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:13:05,054 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked.
[2024-12-02 11:13:05,054 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:13:05,054 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774296932]
[2024-12-02 11:13:05,054 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774296932] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:13:05,054 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:13:05,054 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2024-12-02 11:13:05,054 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053585205]
[2024-12-02 11:13:05,054 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:13:05,055 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-12-02 11:13:05,055 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:13:05,056 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-12-02 11:13:05,056 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182
[2024-12-02 11:13:05,056 INFO  L87              Difference]: Start difference. First operand 92 states and 130 transitions. Second operand  has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22)
[2024-12-02 11:13:07,769 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:13:07,769 INFO  L93              Difference]: Finished difference Result 137 states and 179 transitions.
[2024-12-02 11:13:07,770 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-12-02 11:13:07,771 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 139
[2024-12-02 11:13:07,771 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:13:07,772 INFO  L225             Difference]: With dead ends: 137
[2024-12-02 11:13:07,772 INFO  L226             Difference]: Without dead ends: 135
[2024-12-02 11:13:07,773 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272
[2024-12-02 11:13:07,773 INFO  L435           NwaCegarLoop]: 75 mSDtfsCounter, 115 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 11:13:07,774 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 410 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 11:13:07,774 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 135 states.
[2024-12-02 11:13:07,785 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 91.
[2024-12-02 11:13:07,786 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 91 states, 62 states have (on average 1.2419354838709677) internal successors, (77), 63 states have internal predecessors, (77), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26)
[2024-12-02 11:13:07,787 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions.
[2024-12-02 11:13:07,787 INFO  L78                 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 139
[2024-12-02 11:13:07,787 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:13:07,787 INFO  L471      AbstractCegarLoop]: Abstraction has 91 states and 129 transitions.
[2024-12-02 11:13:07,788 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 14 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22)
[2024-12-02 11:13:07,788 INFO  L276                IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions.
[2024-12-02 11:13:07,789 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-12-02 11:13:07,789 INFO  L210           NwaCegarLoop]: Found error trace
[2024-12-02 11:13:07,789 INFO  L218           NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:13:07,789 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 11:13:07,789 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:13:07,790 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:13:07,790 INFO  L85        PathProgramCache]: Analyzing trace with hash -1669202641, now seen corresponding path program 1 times
[2024-12-02 11:13:07,790 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:13:07,790 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632137214]
[2024-12-02 11:13:07,790 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:13:07,790 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:13:07,854 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat