./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 a0165632
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_124eb229-5c50-421f-acdd-f949f80ebb27/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124eb229-5c50-421f-acdd-f949f80ebb27/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124eb229-5c50-421f-acdd-f949f80ebb27/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124eb229-5c50-421f-acdd-f949f80ebb27/bin/uautomizer-verify-jihMAELWvX/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_124eb229-5c50-421f-acdd-f949f80ebb27/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124eb229-5c50-421f-acdd-f949f80ebb27/bin/uautomizer-verify-jihMAELWvX --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 0.2.5-dev-a016563
[2024-11-08 18:12:06,454 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-08 18:12:06,523 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124eb229-5c50-421f-acdd-f949f80ebb27/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 18:12:06,528 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 18:12:06,529 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 18:12:06,558 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 18:12:06,559 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 18:12:06,559 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 18:12:06,560 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 18:12:06,561 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-08 18:12:06,561 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 18:12:06,562 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 18:12:06,562 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 18:12:06,563 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-08 18:12:06,563 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-08 18:12:06,564 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 18:12:06,564 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-08 18:12:06,565 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-08 18:12:06,565 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-08 18:12:06,566 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-08 18:12:06,566 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-08 18:12:06,571 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 18:12:06,571 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 18:12:06,571 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 18:12:06,572 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-08 18:12:06,572 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-08 18:12:06,572 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-08 18:12:06,573 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-08 18:12:06,573 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 18:12:06,573 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-08 18:12:06,574 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 18:12:06,574 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-08 18:12:06,574 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:12:06,575 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 18:12:06,575 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 18:12:06,575 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 18:12:06,576 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-08 18:12:06,576 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 18:12:06,576 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 18:12:06,577 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 18:12:06,577 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 18:12:06,577 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 18:12:06,578 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_124eb229-5c50-421f-acdd-f949f80ebb27/bin/uautomizer-verify-jihMAELWvX/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_124eb229-5c50-421f-acdd-f949f80ebb27/bin/uautomizer-verify-jihMAELWvX
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
[2024-11-08 18:12:06,925 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 18:12:06,965 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 18:12:06,968 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 18:12:06,971 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-08 18:12:06,972 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-08 18:12:06,973 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124eb229-5c50-421f-acdd-f949f80ebb27/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-56.i
Unable to find full path for "g++"
[2024-11-08 18:12:09,352 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-08 18:12:09,692 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-08 18:12:09,693 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124eb229-5c50-421f-acdd-f949f80ebb27/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-56.i
[2024-11-08 18:12:09,705 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124eb229-5c50-421f-acdd-f949f80ebb27/bin/uautomizer-verify-jihMAELWvX/data/ce5111ea2/b71d2d5b1273481ca8c6da1d389fcb99/FLAGb6df53967
[2024-11-08 18:12:09,733 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124eb229-5c50-421f-acdd-f949f80ebb27/bin/uautomizer-verify-jihMAELWvX/data/ce5111ea2/b71d2d5b1273481ca8c6da1d389fcb99
[2024-11-08 18:12:09,736 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 18:12:09,739 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 18:12:09,744 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 18:12:09,744 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 18:12:09,752 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 18:12:09,753 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:12:09" (1/1) ...
[2024-11-08 18:12:09,755 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52ee25e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:09, skipping insertion in model container
[2024-11-08 18:12:09,756 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:12:09" (1/1) ...
[2024-11-08 18:12:09,801 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-08 18:12:10,043 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_124eb229-5c50-421f-acdd-f949f80ebb27/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-56.i[913,926]
[2024-11-08 18:12:10,128 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:12:10,141 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-08 18:12:10,156 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_124eb229-5c50-421f-acdd-f949f80ebb27/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-56.i[913,926]
[2024-11-08 18:12:10,205 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-08 18:12:10,228 INFO  L204         MainTranslator]: Completed translation
[2024-11-08 18:12:10,229 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:10 WrapperNode
[2024-11-08 18:12:10,229 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 18:12:10,230 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 18:12:10,231 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 18:12:10,231 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 18:12:10,241 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:10" (1/1) ...
[2024-11-08 18:12:10,258 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:10" (1/1) ...
[2024-11-08 18:12:10,334 INFO  L138                Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132
[2024-11-08 18:12:10,334 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 18:12:10,335 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 18:12:10,336 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 18:12:10,336 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 18:12:10,354 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:10" (1/1) ...
[2024-11-08 18:12:10,354 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:10" (1/1) ...
[2024-11-08 18:12:10,366 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:10" (1/1) ...
[2024-11-08 18:12:10,399 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 18:12:10,399 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:10" (1/1) ...
[2024-11-08 18:12:10,399 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:10" (1/1) ...
[2024-11-08 18:12:10,416 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:10" (1/1) ...
[2024-11-08 18:12:10,421 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:10" (1/1) ...
[2024-11-08 18:12:10,426 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:10" (1/1) ...
[2024-11-08 18:12:10,430 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:10" (1/1) ...
[2024-11-08 18:12:10,440 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 18:12:10,441 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 18:12:10,442 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 18:12:10,442 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-08 18:12:10,443 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:10" (1/1) ...
[2024-11-08 18:12:10,451 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 18:12:10,470 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124eb229-5c50-421f-acdd-f949f80ebb27/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 18:12:10,490 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124eb229-5c50-421f-acdd-f949f80ebb27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 18:12:10,497 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_124eb229-5c50-421f-acdd-f949f80ebb27/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 18:12:10,536 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 18:12:10,537 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-08 18:12:10,537 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-08 18:12:10,537 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 18:12:10,537 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 18:12:10,538 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 18:12:10,648 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-08 18:12:10,651 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 18:12:11,269 INFO  L?                        ?]: Removed 14 outVars from TransFormulas that were not future-live.
[2024-11-08 18:12:11,269 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-08 18:12:11,293 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 18:12:11,295 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-08 18:12:11,296 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:12:11 BoogieIcfgContainer
[2024-11-08 18:12:11,296 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 18:12:11,302 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 18:12:11,302 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 18:12:11,307 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-08 18:12:11,307 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:12:09" (1/3) ...
[2024-11-08 18:12:11,309 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38082968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:12:11, skipping insertion in model container
[2024-11-08 18:12:11,310 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:12:10" (2/3) ...
[2024-11-08 18:12:11,310 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38082968 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:12:11, skipping insertion in model container
[2024-11-08 18:12:11,311 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:12:11" (3/3) ...
[2024-11-08 18:12:11,312 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-56.i
[2024-11-08 18:12:11,339 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 18:12:11,340 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 18:12:11,457 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 18:12:11,467 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;@59814d97, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 18:12:11,467 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 18:12:11,477 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)
[2024-11-08 18:12:11,502 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-11-08 18:12:11,502 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:12:11,504 INFO  L215           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]
[2024-11-08 18:12:11,505 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:12:11,513 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:12:11,514 INFO  L85        PathProgramCache]: Analyzing trace with hash 833476395, now seen corresponding path program 1 times
[2024-11-08 18:12:11,527 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:12:11,529 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106290307]
[2024-11-08 18:12:11,530 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:12:11,530 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:12:11,729 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:11,923 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 18:12:11,930 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:11,944 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:12:11,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:11,959 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 18:12:11,964 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:11,973 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 18:12:11,977 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:11,989 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:12:11,992 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:11,997 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:12:12,000 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:12,005 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 18:12:12,008 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:12,013 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:12:12,016 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:12,021 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:12:12,024 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:12,029 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 18:12:12,031 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:12,036 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 18:12:12,038 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:12,042 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 18:12:12,044 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:12,049 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-08 18:12:12,052 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:12,057 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 18:12:12,060 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:12,064 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 18:12:12,067 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:12,071 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-08 18:12:12,073 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:12,078 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93
[2024-11-08 18:12:12,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:12,087 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-08 18:12:12,093 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:12,101 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2024-11-08 18:12:12,107 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:12,114 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-08 18:12:12,120 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:12,128 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2024-11-08 18:12:12,135 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:12,142 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2024-11-08 18:12:12,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:12,159 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked.
[2024-11-08 18:12:12,160 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:12:12,161 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106290307]
[2024-11-08 18:12:12,163 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106290307] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:12:12,166 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:12:12,166 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 18:12:12,169 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108923941]
[2024-11-08 18:12:12,174 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:12:12,184 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-08 18:12:12,185 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:12:12,225 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-08 18:12:12,226 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 18:12:12,230 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 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22)
[2024-11-08 18:12:12,271 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:12:12,271 INFO  L93              Difference]: Finished difference Result 117 states and 202 transitions.
[2024-11-08 18:12:12,273 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-08 18:12:12,274 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 1 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
[2024-11-08 18:12:12,275 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:12:12,286 INFO  L225             Difference]: With dead ends: 117
[2024-11-08 18:12:12,286 INFO  L226             Difference]: Without dead ends: 58
[2024-11-08 18:12:12,291 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-08 18:12:12,296 INFO  L432           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
[2024-11-08 18:12:12,297 INFO  L433           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]
[2024-11-08 18:12:12,322 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-11-08 18:12:12,362 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2024-11-08 18:12:12,364 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)
[2024-11-08 18:12:12,368 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 86 transitions.
[2024-11-08 18:12:12,370 INFO  L78                 Accepts]: Start accepts. Automaton has 58 states and 86 transitions. Word has length 139
[2024-11-08 18:12:12,371 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:12:12,371 INFO  L471      AbstractCegarLoop]: Abstraction has 58 states and 86 transitions.
[2024-11-08 18:12:12,372 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22)
[2024-11-08 18:12:12,372 INFO  L276                IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions.
[2024-11-08 18:12:12,377 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-11-08 18:12:12,377 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:12:12,377 INFO  L215           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]
[2024-11-08 18:12:12,378 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 18:12:12,378 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:12:12,379 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:12:12,379 INFO  L85        PathProgramCache]: Analyzing trace with hash -739348373, now seen corresponding path program 1 times
[2024-11-08 18:12:12,380 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:12:12,380 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890408885]
[2024-11-08 18:12:12,380 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:12:12,381 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:12:12,552 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,235 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 18:12:13,237 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,239 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:12:13,241 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,244 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 18:12:13,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,248 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 18:12:13,250 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,252 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:12:13,254 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,257 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:12:13,258 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,261 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 18:12:13,263 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,265 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:12:13,267 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,269 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:12:13,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,274 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 18:12:13,276 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,278 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 18:12:13,280 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,282 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 18:12:13,284 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,287 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-08 18:12:13,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,292 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 18:12:13,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,296 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 18:12:13,298 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,300 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-08 18:12:13,302 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,305 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93
[2024-11-08 18:12:13,307 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,309 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-08 18:12:13,311 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,314 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2024-11-08 18:12:13,316 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,323 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-08 18:12:13,325 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,329 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2024-11-08 18:12:13,332 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,335 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2024-11-08 18:12:13,337 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:13,343 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked.
[2024-11-08 18:12:13,343 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:12:13,343 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890408885]
[2024-11-08 18:12:13,344 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890408885] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:12:13,344 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:12:13,344 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 18:12:13,347 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947889396]
[2024-11-08 18:12:13,348 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:12:13,349 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 18:12:13,350 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:12:13,353 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 18:12:13,353 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:12:13,354 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)
[2024-11-08 18:12:13,450 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:12:13,453 INFO  L93              Difference]: Finished difference Result 113 states and 169 transitions.
[2024-11-08 18:12:13,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-08 18:12:13,454 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
[2024-11-08 18:12:13,455 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:12:13,457 INFO  L225             Difference]: With dead ends: 113
[2024-11-08 18:12:13,457 INFO  L226             Difference]: Without dead ends: 58
[2024-11-08 18:12:13,459 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 18:12:13,462 INFO  L432           NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:12:13,463 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 18:12:13,466 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-11-08 18:12:13,479 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2024-11-08 18:12:13,480 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)
[2024-11-08 18:12:13,481 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 85 transitions.
[2024-11-08 18:12:13,482 INFO  L78                 Accepts]: Start accepts. Automaton has 58 states and 85 transitions. Word has length 139
[2024-11-08 18:12:13,485 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:12:13,485 INFO  L471      AbstractCegarLoop]: Abstraction has 58 states and 85 transitions.
[2024-11-08 18:12:13,487 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)
[2024-11-08 18:12:13,489 INFO  L276                IsEmpty]: Start isEmpty. Operand 58 states and 85 transitions.
[2024-11-08 18:12:13,491 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-11-08 18:12:13,494 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:12:13,494 INFO  L215           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]
[2024-11-08 18:12:13,495 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 18:12:13,495 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:12:13,496 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:12:13,498 INFO  L85        PathProgramCache]: Analyzing trace with hash -796606675, now seen corresponding path program 1 times
[2024-11-08 18:12:13,499 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:12:13,499 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878239593]
[2024-11-08 18:12:13,499 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:12:13,500 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:12:13,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,634 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 18:12:14,636 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,640 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:12:14,641 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,644 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 18:12:14,646 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,648 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 18:12:14,650 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,653 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:12:14,656 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,658 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:12:14,660 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,664 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 18:12:14,667 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,669 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:12:14,671 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,675 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:12:14,678 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,684 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 18:12:14,686 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,688 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 18:12:14,690 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,692 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 18:12:14,694 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,698 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-08 18:12:14,700 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,704 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 18:12:14,705 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,708 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 18:12:14,710 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,711 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-08 18:12:14,713 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,715 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93
[2024-11-08 18:12:14,718 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,720 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-08 18:12:14,722 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,725 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2024-11-08 18:12:14,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,728 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-08 18:12:14,731 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,733 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2024-11-08 18:12:14,739 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,741 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2024-11-08 18:12:14,743 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:12:14,745 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked.
[2024-11-08 18:12:14,746 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:12:14,746 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878239593]
[2024-11-08 18:12:14,747 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878239593] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:12:14,747 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:12:14,747 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 18:12:14,748 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743580451]
[2024-11-08 18:12:14,748 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:12:14,748 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 18:12:14,749 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:12:14,750 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 18:12:14,750 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:12:14,751 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)
[2024-11-08 18:12:14,968 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:12:14,968 INFO  L93              Difference]: Finished difference Result 155 states and 221 transitions.
[2024-11-08 18:12:14,971 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-08 18:12:14,972 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
[2024-11-08 18:12:14,973 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:12:14,978 INFO  L225             Difference]: With dead ends: 155
[2024-11-08 18:12:14,978 INFO  L226             Difference]: Without dead ends: 100
[2024-11-08 18:12:14,979 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-08 18:12:14,981 INFO  L432           NwaCegarLoop]: 93 mSDtfsCounter, 68 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 18:12:14,985 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 264 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 18:12:14,986 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 100 states.
[2024-11-08 18:12:15,010 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 85.
[2024-11-08 18:12:15,015 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)
[2024-11-08 18:12:15,016 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 122 transitions.
[2024-11-08 18:12:15,017 INFO  L78                 Accepts]: Start accepts. Automaton has 85 states and 122 transitions. Word has length 139
[2024-11-08 18:12:15,020 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:12:15,020 INFO  L471      AbstractCegarLoop]: Abstraction has 85 states and 122 transitions.
[2024-11-08 18:12:15,021 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)
[2024-11-08 18:12:15,021 INFO  L276                IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions.
[2024-11-08 18:12:15,027 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-11-08 18:12:15,027 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:12:15,028 INFO  L215           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]
[2024-11-08 18:12:15,028 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 18:12:15,032 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:12:15,032 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:12:15,033 INFO  L85        PathProgramCache]: Analyzing trace with hash -1605953301, now seen corresponding path program 1 times
[2024-11-08 18:12:15,033 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:12:15,033 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271458839]
[2024-11-08 18:12:15,033 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:12:15,033 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:12:15,243 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,730 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 18:18:39,732 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,734 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:18:39,735 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,738 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 18:18:39,739 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,740 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 18:18:39,741 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,743 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:18:39,745 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,746 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:18:39,748 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,749 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 18:18:39,751 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,752 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:18:39,754 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,756 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:18:39,757 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,758 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 18:18:39,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,761 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 18:18:39,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,764 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 18:18:39,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,767 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-08 18:18:39,769 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,771 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 18:18:39,772 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,774 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 18:18:39,775 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,777 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-08 18:18:39,778 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,780 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93
[2024-11-08 18:18:39,781 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,783 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-08 18:18:39,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,786 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2024-11-08 18:18:39,787 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,789 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-08 18:18:39,790 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,792 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2024-11-08 18:18:39,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,795 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2024-11-08 18:18:39,796 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:18:39,799 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked.
[2024-11-08 18:18:39,799 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:18:39,799 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271458839]
[2024-11-08 18:18:39,800 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271458839] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:18:39,800 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:18:39,800 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2024-11-08 18:18:39,800 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910179350]
[2024-11-08 18:18:39,800 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:18:39,801 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-08 18:18:39,801 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:18:39,802 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-08 18:18:39,802 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182
[2024-11-08 18:18:39,803 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)
[2024-11-08 18:18:42,400 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:18:42,400 INFO  L93              Difference]: Finished difference Result 130 states and 173 transitions.
[2024-11-08 18:18:42,402 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-11-08 18:18:42,402 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
[2024-11-08 18:18:42,403 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:18:42,406 INFO  L225             Difference]: With dead ends: 130
[2024-11-08 18:18:42,406 INFO  L226             Difference]: Without dead ends: 128
[2024-11-08 18:18:42,407 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240
[2024-11-08 18:18:42,408 INFO  L432           NwaCegarLoop]: 71 mSDtfsCounter, 100 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-08 18:18:42,409 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 426 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-08 18:18:42,410 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 128 states.
[2024-11-08 18:18:42,427 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 92.
[2024-11-08 18:18:42,428 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)
[2024-11-08 18:18:42,429 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 130 transitions.
[2024-11-08 18:18:42,429 INFO  L78                 Accepts]: Start accepts. Automaton has 92 states and 130 transitions. Word has length 139
[2024-11-08 18:18:42,430 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:18:42,430 INFO  L471      AbstractCegarLoop]: Abstraction has 92 states and 130 transitions.
[2024-11-08 18:18:42,431 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)
[2024-11-08 18:18:42,431 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions.
[2024-11-08 18:18:42,436 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-11-08 18:18:42,437 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:18:42,437 INFO  L215           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]
[2024-11-08 18:18:42,437 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 18:18:42,437 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:18:42,442 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:18:42,442 INFO  L85        PathProgramCache]: Analyzing trace with hash -925894931, now seen corresponding path program 1 times
[2024-11-08 18:18:42,442 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:18:42,442 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184357124]
[2024-11-08 18:18:42,443 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:18:42,443 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:18:42,573 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,133 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5
[2024-11-08 18:26:04,134 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,135 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2024-11-08 18:26:04,136 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,138 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2024-11-08 18:26:04,139 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,140 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2024-11-08 18:26:04,141 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,142 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2024-11-08 18:26:04,143 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,145 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32
[2024-11-08 18:26:04,146 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,147 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-08 18:26:04,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,149 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2024-11-08 18:26:04,150 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,152 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49
[2024-11-08 18:26:04,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,154 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54
[2024-11-08 18:26:04,155 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,156 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60
[2024-11-08 18:26:04,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,158 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65
[2024-11-08 18:26:04,159 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,160 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71
[2024-11-08 18:26:04,161 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,163 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2024-11-08 18:26:04,163 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,165 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82
[2024-11-08 18:26:04,166 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,167 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87
[2024-11-08 18:26:04,168 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,169 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93
[2024-11-08 18:26:04,170 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,171 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98
[2024-11-08 18:26:04,172 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,173 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104
[2024-11-08 18:26:04,174 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,175 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109
[2024-11-08 18:26:04,176 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,177 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115
[2024-11-08 18:26:04,178 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,180 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120
[2024-11-08 18:26:04,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 18:26:04,183 INFO  L134       CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked.
[2024-11-08 18:26:04,183 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 18:26:04,184 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184357124]
[2024-11-08 18:26:04,184 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184357124] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 18:26:04,184 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 18:26:04,184 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2024-11-08 18:26:04,184 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291714028]
[2024-11-08 18:26:04,185 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 18:26:04,185 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-08 18:26:04,185 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 18:26:04,186 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-08 18:26:04,187 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182
[2024-11-08 18:26:04,187 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)
[2024-11-08 18:26:08,743 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 18:26:08,743 INFO  L93              Difference]: Finished difference Result 137 states and 179 transitions.
[2024-11-08 18:26:08,744 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-11-08 18:26:08,745 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
[2024-11-08 18:26:08,745 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 18:26:08,746 INFO  L225             Difference]: With dead ends: 137
[2024-11-08 18:26:08,746 INFO  L226             Difference]: Without dead ends: 135
[2024-11-08 18:26:08,747 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272
[2024-11-08 18:26:08,748 INFO  L432           NwaCegarLoop]: 75 mSDtfsCounter, 89 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-08 18:26:08,748 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 577 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-08 18:26:08,749 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 135 states.
[2024-11-08 18:26:08,762 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 91.
[2024-11-08 18:26:08,762 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)
[2024-11-08 18:26:08,763 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 129 transitions.
[2024-11-08 18:26:08,764 INFO  L78                 Accepts]: Start accepts. Automaton has 91 states and 129 transitions. Word has length 139
[2024-11-08 18:26:08,764 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-08 18:26:08,764 INFO  L471      AbstractCegarLoop]: Abstraction has 91 states and 129 transitions.
[2024-11-08 18:26:08,765 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)
[2024-11-08 18:26:08,765 INFO  L276                IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions.
[2024-11-08 18:26:08,766 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 140
[2024-11-08 18:26:08,767 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-08 18:26:08,767 INFO  L215           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]
[2024-11-08 18:26:08,767 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 18:26:08,767 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 18:26:08,768 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 18:26:08,768 INFO  L85        PathProgramCache]: Analyzing trace with hash -95542097, now seen corresponding path program 1 times
[2024-11-08 18:26:08,768 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 18:26:08,768 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815228950]
[2024-11-08 18:26:08,769 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 18:26:08,769 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 18:26:08,848 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat