./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label47.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label47.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d039f2d5fa21e99f5f2905e39d510c085a3c5debd52474b0e6ee96280e8d56ea
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 18:30:07,085 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-23 18:30:07,162 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-23 18:30:07,167 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 18:30:07,168 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 18:30:07,211 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 18:30:07,211 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 18:30:07,212 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 18:30:07,212 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 18:30:07,212 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-23 18:30:07,216 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 18:30:07,216 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 18:30:07,216 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 18:30:07,217 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-23 18:30:07,217 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-23 18:30:07,217 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 18:30:07,217 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-23 18:30:07,217 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-23 18:30:07,217 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-23 18:30:07,217 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-23 18:30:07,217 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-23 18:30:07,217 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 18:30:07,217 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 18:30:07,217 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 18:30:07,218 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-23 18:30:07,218 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-23 18:30:07,218 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 18:30:07,218 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-23 18:30:07,218 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 18:30:07,218 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-23 18:30:07,218 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 18:30:07,218 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-23 18:30:07,218 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:30:07,218 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 18:30:07,218 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-23 18:30:07,218 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 18:30:07,219 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-23 18:30:07,219 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:30:07,219 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 18:30:07,219 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 18:30:07,219 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-23 18:30:07,219 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 18:30:07,219 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-23 18:30:07,219 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 18:30:07,219 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 18:30:07,219 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 18:30:07,219 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 18:30:07,219 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 18:30:07,221 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_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d039f2d5fa21e99f5f2905e39d510c085a3c5debd52474b0e6ee96280e8d56ea
[2024-11-23 18:30:07,548 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 18:30:07,557 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 18:30:07,561 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 18:30:07,562 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-23 18:30:07,563 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-23 18:30:07,565 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/eca-rers2012/Problem11_label47.c
[2024-11-23 18:30:10,486 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC/data/5854d0b15/69ab08568c67452489a826eb9bc64d44/FLAG52bfc31cd
[2024-11-23 18:30:10,842 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-23 18:30:10,842 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/sv-benchmarks/c/eca-rers2012/Problem11_label47.c
[2024-11-23 18:30:10,860 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC/data/5854d0b15/69ab08568c67452489a826eb9bc64d44/FLAG52bfc31cd
[2024-11-23 18:30:10,882 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC/data/5854d0b15/69ab08568c67452489a826eb9bc64d44
[2024-11-23 18:30:10,885 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 18:30:10,886 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 18:30:10,889 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 18:30:10,889 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 18:30:10,894 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 18:30:10,896 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:30:10" (1/1) ...
[2024-11-23 18:30:10,898 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58ea965a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:10, skipping insertion in model container
[2024-11-23 18:30:10,899 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:30:10" (1/1) ...
[2024-11-23 18:30:10,949 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-23 18:30:11,166 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_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/sv-benchmarks/c/eca-rers2012/Problem11_label47.c[5129,5142]
[2024-11-23 18:30:11,534 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:30:11,548 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-23 18:30:11,583 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_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/sv-benchmarks/c/eca-rers2012/Problem11_label47.c[5129,5142]
[2024-11-23 18:30:11,728 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:30:11,744 INFO  L204         MainTranslator]: Completed translation
[2024-11-23 18:30:11,745 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:11 WrapperNode
[2024-11-23 18:30:11,745 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 18:30:11,747 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 18:30:11,747 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 18:30:11,748 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 18:30:11,755 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:11" (1/1) ...
[2024-11-23 18:30:11,793 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:11" (1/1) ...
[2024-11-23 18:30:11,941 INFO  L138                Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999
[2024-11-23 18:30:11,942 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 18:30:11,943 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 18:30:11,944 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 18:30:11,944 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 18:30:11,954 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:11" (1/1) ...
[2024-11-23 18:30:11,955 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:11" (1/1) ...
[2024-11-23 18:30:11,982 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:11" (1/1) ...
[2024-11-23 18:30:12,034 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].
[2024-11-23 18:30:12,034 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:11" (1/1) ...
[2024-11-23 18:30:12,035 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:11" (1/1) ...
[2024-11-23 18:30:12,070 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:11" (1/1) ...
[2024-11-23 18:30:12,073 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:11" (1/1) ...
[2024-11-23 18:30:12,081 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:11" (1/1) ...
[2024-11-23 18:30:12,089 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:11" (1/1) ...
[2024-11-23 18:30:12,096 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:11" (1/1) ...
[2024-11-23 18:30:12,108 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 18:30:12,109 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 18:30:12,113 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 18:30:12,114 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-23 18:30:12,115 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:11" (1/1) ...
[2024-11-23 18:30:12,124 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:30:12,136 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:30:12,150 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 18:30:12,155 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 18:30:12,183 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 18:30:12,183 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 18:30:12,183 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 18:30:12,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 18:30:12,261 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-23 18:30:12,263 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 18:30:14,558 INFO  L?                        ?]: Removed 129 outVars from TransFormulas that were not future-live.
[2024-11-23 18:30:14,558 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-23 18:30:14,584 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 18:30:14,584 INFO  L312             CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-23 18:30:14,584 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:30:14 BoogieIcfgContainer
[2024-11-23 18:30:14,587 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 18:30:14,590 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 18:30:14,590 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 18:30:14,595 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-23 18:30:14,595 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:30:10" (1/3) ...
[2024-11-23 18:30:14,596 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6c5c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:30:14, skipping insertion in model container
[2024-11-23 18:30:14,596 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:11" (2/3) ...
[2024-11-23 18:30:14,596 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6c5c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:30:14, skipping insertion in model container
[2024-11-23 18:30:14,596 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:30:14" (3/3) ...
[2024-11-23 18:30:14,598 INFO  L128   eAbstractionObserver]: Analyzing ICFG Problem11_label47.c
[2024-11-23 18:30:14,613 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 18:30:14,615 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG Problem11_label47.c that has 1 procedures, 283 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-23 18:30:14,703 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 18:30:14,719 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;@546aa802, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 18:30:14,720 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-23 18:30:14,728 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:14,735 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2024-11-23 18:30:14,735 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-23 18:30:14,736 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:14,736 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:14,741 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:14,742 INFO  L85        PathProgramCache]: Analyzing trace with hash -596708735, now seen corresponding path program 1 times
[2024-11-23 18:30:14,749 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:14,749 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651013183]
[2024-11-23 18:30:14,750 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:14,750 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:14,910 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:15,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:30:15,170 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:15,170 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651013183]
[2024-11-23 18:30:15,170 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651013183] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:15,171 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:15,171 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:30:15,175 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919298801]
[2024-11-23 18:30:15,176 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:15,180 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:30:15,180 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:15,203 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:30:15,205 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:15,208 INFO  L87              Difference]: Start difference. First operand  has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:16,714 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:16,714 INFO  L93              Difference]: Finished difference Result 776 states and 1363 transitions.
[2024-11-23 18:30:16,715 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 18:30:16,717 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35
[2024-11-23 18:30:16,717 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:16,732 INFO  L225             Difference]: With dead ends: 776
[2024-11-23 18:30:16,732 INFO  L226             Difference]: Without dead ends: 413
[2024-11-23 18:30:16,737 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:16,743 INFO  L435           NwaCegarLoop]: 168 mSDtfsCounter, 192 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:16,744 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 196 Invalid, 763 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-23 18:30:16,761 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 413 states.
[2024-11-23 18:30:16,813 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 411.
[2024-11-23 18:30:16,820 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 411 states, 410 states have (on average 1.4585365853658536) internal successors, (598), 410 states have internal predecessors, (598), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:16,825 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 598 transitions.
[2024-11-23 18:30:16,826 INFO  L78                 Accepts]: Start accepts. Automaton has 411 states and 598 transitions. Word has length 35
[2024-11-23 18:30:16,827 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:16,827 INFO  L471      AbstractCegarLoop]: Abstraction has 411 states and 598 transitions.
[2024-11-23 18:30:16,827 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:16,827 INFO  L276                IsEmpty]: Start isEmpty. Operand 411 states and 598 transitions.
[2024-11-23 18:30:16,829 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 104
[2024-11-23 18:30:16,829 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-23 18:30:16,830 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:16,830 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 18:30:16,830 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:16,831 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:16,831 INFO  L85        PathProgramCache]: Analyzing trace with hash 1354901288, now seen corresponding path program 1 times
[2024-11-23 18:30:16,831 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:16,831 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299535581]
[2024-11-23 18:30:16,831 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:16,831 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:16,926 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:17,261 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:30:17,261 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:17,261 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299535581]
[2024-11-23 18:30:17,261 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299535581] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:17,262 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:17,262 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:30:17,262 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143492805]
[2024-11-23 18:30:17,262 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:17,263 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:30:17,263 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:17,265 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:30:17,265 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:17,265 INFO  L87              Difference]: Start difference. First operand 411 states and 598 transitions. Second operand  has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:18,403 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:18,403 INFO  L93              Difference]: Finished difference Result 1209 states and 1765 transitions.
[2024-11-23 18:30:18,404 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 18:30:18,404 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 103
[2024-11-23 18:30:18,404 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:18,412 INFO  L225             Difference]: With dead ends: 1209
[2024-11-23 18:30:18,412 INFO  L226             Difference]: Without dead ends: 800
[2024-11-23 18:30:18,413 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:18,415 INFO  L435           NwaCegarLoop]: 103 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:18,416 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 122 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-23 18:30:18,418 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 800 states.
[2024-11-23 18:30:18,466 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 787.
[2024-11-23 18:30:18,467 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 787 states, 786 states have (on average 1.3842239185750635) internal successors, (1088), 786 states have internal predecessors, (1088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:18,474 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1088 transitions.
[2024-11-23 18:30:18,474 INFO  L78                 Accepts]: Start accepts. Automaton has 787 states and 1088 transitions. Word has length 103
[2024-11-23 18:30:18,474 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:18,474 INFO  L471      AbstractCegarLoop]: Abstraction has 787 states and 1088 transitions.
[2024-11-23 18:30:18,475 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 2 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:18,475 INFO  L276                IsEmpty]: Start isEmpty. Operand 787 states and 1088 transitions.
[2024-11-23 18:30:18,480 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2024-11-23 18:30:18,480 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-23 18:30:18,481 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:18,481 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 18:30:18,481 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:18,482 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:18,482 INFO  L85        PathProgramCache]: Analyzing trace with hash 1556935149, now seen corresponding path program 1 times
[2024-11-23 18:30:18,482 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:18,482 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102692249]
[2024-11-23 18:30:18,482 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:18,482 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:18,557 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:19,071 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:30:19,072 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:19,072 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102692249]
[2024-11-23 18:30:19,072 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102692249] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:19,072 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:19,072 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:30:19,072 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416181329]
[2024-11-23 18:30:19,072 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:19,072 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:30:19,073 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:19,073 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:30:19,073 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:19,073 INFO  L87              Difference]: Start difference. First operand 787 states and 1088 transitions. Second operand  has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:20,057 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:20,057 INFO  L93              Difference]: Finished difference Result 1942 states and 2629 transitions.
[2024-11-23 18:30:20,059 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 18:30:20,060 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105
[2024-11-23 18:30:20,060 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:20,064 INFO  L225             Difference]: With dead ends: 1942
[2024-11-23 18:30:20,064 INFO  L226             Difference]: Without dead ends: 1157
[2024-11-23 18:30:20,065 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:20,066 INFO  L435           NwaCegarLoop]: 168 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:20,066 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 190 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-23 18:30:20,068 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1157 states.
[2024-11-23 18:30:20,092 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1156.
[2024-11-23 18:30:20,096 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1156 states, 1155 states have (on average 1.277056277056277) internal successors, (1475), 1155 states have internal predecessors, (1475), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:20,102 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1475 transitions.
[2024-11-23 18:30:20,103 INFO  L78                 Accepts]: Start accepts. Automaton has 1156 states and 1475 transitions. Word has length 105
[2024-11-23 18:30:20,103 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:20,103 INFO  L471      AbstractCegarLoop]: Abstraction has 1156 states and 1475 transitions.
[2024-11-23 18:30:20,103 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:20,103 INFO  L276                IsEmpty]: Start isEmpty. Operand 1156 states and 1475 transitions.
[2024-11-23 18:30:20,109 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 148
[2024-11-23 18:30:20,109 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-23 18:30:20,110 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:20,111 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 18:30:20,111 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:20,111 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:20,112 INFO  L85        PathProgramCache]: Analyzing trace with hash 1368272740, now seen corresponding path program 1 times
[2024-11-23 18:30:20,112 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:20,112 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098424534]
[2024-11-23 18:30:20,112 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:20,112 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:20,194 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:20,481 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked.
[2024-11-23 18:30:20,481 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:20,482 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098424534]
[2024-11-23 18:30:20,482 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098424534] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:20,482 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:20,482 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:30:20,482 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977647224]
[2024-11-23 18:30:20,482 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:20,482 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:30:20,483 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:20,483 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:30:20,483 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:20,483 INFO  L87              Difference]: Start difference. First operand 1156 states and 1475 transitions. Second operand  has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:21,651 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:21,651 INFO  L93              Difference]: Finished difference Result 2502 states and 3336 transitions.
[2024-11-23 18:30:21,652 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 18:30:21,652 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147
[2024-11-23 18:30:21,653 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:21,658 INFO  L225             Difference]: With dead ends: 2502
[2024-11-23 18:30:21,658 INFO  L226             Difference]: Without dead ends: 1532
[2024-11-23 18:30:21,660 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:21,660 INFO  L435           NwaCegarLoop]: 127 mSDtfsCounter, 108 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:21,661 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 156 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-23 18:30:21,663 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1532 states.
[2024-11-23 18:30:21,690 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532.
[2024-11-23 18:30:21,693 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 1532 states, 1531 states have (on average 1.2612671456564337) internal successors, (1931), 1531 states have internal predecessors, (1931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:21,698 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 1931 transitions.
[2024-11-23 18:30:21,699 INFO  L78                 Accepts]: Start accepts. Automaton has 1532 states and 1931 transitions. Word has length 147
[2024-11-23 18:30:21,699 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:21,699 INFO  L471      AbstractCegarLoop]: Abstraction has 1532 states and 1931 transitions.
[2024-11-23 18:30:21,699 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:21,700 INFO  L276                IsEmpty]: Start isEmpty. Operand 1532 states and 1931 transitions.
[2024-11-23 18:30:21,701 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 163
[2024-11-23 18:30:21,702 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-23 18:30:21,702 INFO  L218           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:21,702 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 18:30:21,702 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:21,703 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:21,703 INFO  L85        PathProgramCache]: Analyzing trace with hash 162112077, now seen corresponding path program 1 times
[2024-11-23 18:30:21,703 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:21,703 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973591186]
[2024-11-23 18:30:21,703 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:21,703 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:21,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:22,033 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:30:22,033 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:22,033 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973591186]
[2024-11-23 18:30:22,033 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973591186] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:22,033 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:22,033 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:30:22,033 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088902894]
[2024-11-23 18:30:22,033 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:22,034 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:30:22,034 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:22,035 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:30:22,035 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:30:22,035 INFO  L87              Difference]: Start difference. First operand 1532 states and 1931 transitions. Second operand  has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:23,782 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:23,782 INFO  L93              Difference]: Finished difference Result 4931 states and 6392 transitions.
[2024-11-23 18:30:23,783 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-23 18:30:23,783 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 162
[2024-11-23 18:30:23,783 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:23,794 INFO  L225             Difference]: With dead ends: 4931
[2024-11-23 18:30:23,795 INFO  L226             Difference]: Without dead ends: 3585
[2024-11-23 18:30:23,797 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:30:23,798 INFO  L435           NwaCegarLoop]: 41 mSDtfsCounter, 329 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 1274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:23,798 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 95 Invalid, 1274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-11-23 18:30:23,802 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3585 states.
[2024-11-23 18:30:23,864 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3585 to 3584.
[2024-11-23 18:30:23,869 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3584 states, 3583 states have (on average 1.2539771141501534) internal successors, (4493), 3583 states have internal predecessors, (4493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:23,878 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3584 states and 4493 transitions.
[2024-11-23 18:30:23,878 INFO  L78                 Accepts]: Start accepts. Automaton has 3584 states and 4493 transitions. Word has length 162
[2024-11-23 18:30:23,879 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:23,879 INFO  L471      AbstractCegarLoop]: Abstraction has 3584 states and 4493 transitions.
[2024-11-23 18:30:23,879 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 40.5) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:23,880 INFO  L276                IsEmpty]: Start isEmpty. Operand 3584 states and 4493 transitions.
[2024-11-23 18:30:23,883 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 218
[2024-11-23 18:30:23,883 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-23 18:30:23,883 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:23,883 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-23 18:30:23,884 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:23,884 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:23,884 INFO  L85        PathProgramCache]: Analyzing trace with hash 1953439888, now seen corresponding path program 1 times
[2024-11-23 18:30:23,884 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:23,884 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369543259]
[2024-11-23 18:30:23,885 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:23,885 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:23,944 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:24,221 INFO  L134       CoverageAnalysis]: Checked inductivity of 134 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2024-11-23 18:30:24,222 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:24,222 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369543259]
[2024-11-23 18:30:24,222 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369543259] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:24,223 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:24,223 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:30:24,223 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485627675]
[2024-11-23 18:30:24,223 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:24,223 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:30:24,224 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:24,225 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:30:24,225 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:24,227 INFO  L87              Difference]: Start difference. First operand 3584 states and 4493 transitions. Second operand  has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:25,287 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:25,287 INFO  L93              Difference]: Finished difference Result 8098 states and 10366 transitions.
[2024-11-23 18:30:25,287 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 18:30:25,288 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217
[2024-11-23 18:30:25,288 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:25,303 INFO  L225             Difference]: With dead ends: 8098
[2024-11-23 18:30:25,303 INFO  L226             Difference]: Without dead ends: 4884
[2024-11-23 18:30:25,306 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:25,307 INFO  L435           NwaCegarLoop]: 372 mSDtfsCounter, 162 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:25,307 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 393 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-23 18:30:25,313 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4884 states.
[2024-11-23 18:30:25,392 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4884 to 4873.
[2024-11-23 18:30:25,399 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4873 states, 4872 states have (on average 1.2261904761904763) internal successors, (5974), 4872 states have internal predecessors, (5974), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:25,408 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4873 states to 4873 states and 5974 transitions.
[2024-11-23 18:30:25,408 INFO  L78                 Accepts]: Start accepts. Automaton has 4873 states and 5974 transitions. Word has length 217
[2024-11-23 18:30:25,409 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:25,409 INFO  L471      AbstractCegarLoop]: Abstraction has 4873 states and 5974 transitions.
[2024-11-23 18:30:25,409 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:25,409 INFO  L276                IsEmpty]: Start isEmpty. Operand 4873 states and 5974 transitions.
[2024-11-23 18:30:25,412 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 224
[2024-11-23 18:30:25,412 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-23 18:30:25,413 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:25,413 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-23 18:30:25,413 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:25,413 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:25,413 INFO  L85        PathProgramCache]: Analyzing trace with hash -483839329, now seen corresponding path program 1 times
[2024-11-23 18:30:25,413 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:25,413 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279640738]
[2024-11-23 18:30:25,414 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:25,414 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:25,481 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:25,754 INFO  L134       CoverageAnalysis]: Checked inductivity of 140 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2024-11-23 18:30:25,754 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:25,754 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279640738]
[2024-11-23 18:30:25,754 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279640738] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:25,754 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:25,755 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:30:25,755 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303788912]
[2024-11-23 18:30:25,755 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:25,755 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:30:25,755 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:25,756 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:30:25,756 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:25,756 INFO  L87              Difference]: Start difference. First operand 4873 states and 5974 transitions. Second operand  has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:26,817 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:26,818 INFO  L93              Difference]: Finished difference Result 11041 states and 13752 transitions.
[2024-11-23 18:30:26,818 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 18:30:26,818 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 223
[2024-11-23 18:30:26,819 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:26,839 INFO  L225             Difference]: With dead ends: 11041
[2024-11-23 18:30:26,840 INFO  L226             Difference]: Without dead ends: 6354
[2024-11-23 18:30:26,844 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:26,845 INFO  L435           NwaCegarLoop]: 369 mSDtfsCounter, 161 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:26,847 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 391 Invalid, 678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-23 18:30:26,854 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 6354 states.
[2024-11-23 18:30:26,962 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 6354 to 6345.
[2024-11-23 18:30:26,972 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 6345 states, 6344 states have (on average 1.2102774274905423) internal successors, (7678), 6344 states have internal predecessors, (7678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:26,984 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6345 states to 6345 states and 7678 transitions.
[2024-11-23 18:30:26,984 INFO  L78                 Accepts]: Start accepts. Automaton has 6345 states and 7678 transitions. Word has length 223
[2024-11-23 18:30:26,985 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:26,985 INFO  L471      AbstractCegarLoop]: Abstraction has 6345 states and 7678 transitions.
[2024-11-23 18:30:26,985 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:26,985 INFO  L276                IsEmpty]: Start isEmpty. Operand 6345 states and 7678 transitions.
[2024-11-23 18:30:26,992 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 277
[2024-11-23 18:30:26,992 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-23 18:30:26,993 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:26,993 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-23 18:30:26,993 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:26,993 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:26,994 INFO  L85        PathProgramCache]: Analyzing trace with hash -1501095785, now seen corresponding path program 1 times
[2024-11-23 18:30:26,994 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:26,994 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657059901]
[2024-11-23 18:30:26,994 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:26,994 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:27,078 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:27,857 INFO  L134       CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:30:27,859 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:27,859 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657059901]
[2024-11-23 18:30:27,859 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657059901] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:27,859 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:27,859 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 18:30:27,859 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758389928]
[2024-11-23 18:30:27,859 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:27,860 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 18:30:27,860 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:27,861 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 18:30:27,861 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-23 18:30:27,861 INFO  L87              Difference]: Start difference. First operand 6345 states and 7678 transitions. Second operand  has 6 states, 6 states have (on average 46.0) internal successors, (276), 5 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:30,136 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:30,136 INFO  L93              Difference]: Finished difference Result 13287 states and 16079 transitions.
[2024-11-23 18:30:30,136 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-11-23 18:30:30,137 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 46.0) internal successors, (276), 5 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 276
[2024-11-23 18:30:30,137 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:30,179 INFO  L225             Difference]: With dead ends: 13287
[2024-11-23 18:30:30,179 INFO  L226             Difference]: Without dead ends: 7312
[2024-11-23 18:30:30,184 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72
[2024-11-23 18:30:30,185 INFO  L435           NwaCegarLoop]: 114 mSDtfsCounter, 530 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 1654 mSolverCounterSat, 193 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 1847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 1654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:30,186 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 185 Invalid, 1847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 1654 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-11-23 18:30:30,193 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 7312 states.
[2024-11-23 18:30:30,319 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 7312 to 7266.
[2024-11-23 18:30:30,331 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 7266 states, 7265 states have (on average 1.1940812112869925) internal successors, (8675), 7265 states have internal predecessors, (8675), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:30,344 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 7266 states to 7266 states and 8675 transitions.
[2024-11-23 18:30:30,344 INFO  L78                 Accepts]: Start accepts. Automaton has 7266 states and 8675 transitions. Word has length 276
[2024-11-23 18:30:30,346 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:30,346 INFO  L471      AbstractCegarLoop]: Abstraction has 7266 states and 8675 transitions.
[2024-11-23 18:30:30,346 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 46.0) internal successors, (276), 5 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:30,346 INFO  L276                IsEmpty]: Start isEmpty. Operand 7266 states and 8675 transitions.
[2024-11-23 18:30:30,353 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 282
[2024-11-23 18:30:30,353 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-23 18:30:30,353 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:30,354 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-23 18:30:30,354 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:30,354 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:30,354 INFO  L85        PathProgramCache]: Analyzing trace with hash -1369513305, now seen corresponding path program 1 times
[2024-11-23 18:30:30,354 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:30,355 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023714289]
[2024-11-23 18:30:30,355 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:30,355 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:30,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:30,587 INFO  L134       CoverageAnalysis]: Checked inductivity of 183 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked.
[2024-11-23 18:30:30,587 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:30,587 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023714289]
[2024-11-23 18:30:30,587 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023714289] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:30,587 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:30,587 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:30:30,588 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122114857]
[2024-11-23 18:30:30,588 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:30,588 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:30:30,588 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:30,589 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:30:30,589 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:30,589 INFO  L87              Difference]: Start difference. First operand 7266 states and 8675 transitions. Second operand  has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:31,652 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:31,653 INFO  L93              Difference]: Finished difference Result 15629 states and 19055 transitions.
[2024-11-23 18:30:31,653 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 18:30:31,654 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 281
[2024-11-23 18:30:31,654 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:31,704 INFO  L225             Difference]: With dead ends: 15629
[2024-11-23 18:30:31,704 INFO  L226             Difference]: Without dead ends: 9472
[2024-11-23 18:30:31,710 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:31,711 INFO  L435           NwaCegarLoop]: 304 mSDtfsCounter, 192 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:31,711 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 324 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-23 18:30:31,723 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 9472 states.
[2024-11-23 18:30:31,866 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 9472 to 9103.
[2024-11-23 18:30:31,884 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9103 states, 9102 states have (on average 1.1999560536145901) internal successors, (10922), 9102 states have internal predecessors, (10922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:31,904 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9103 states to 9103 states and 10922 transitions.
[2024-11-23 18:30:31,905 INFO  L78                 Accepts]: Start accepts. Automaton has 9103 states and 10922 transitions. Word has length 281
[2024-11-23 18:30:31,905 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:31,905 INFO  L471      AbstractCegarLoop]: Abstraction has 9103 states and 10922 transitions.
[2024-11-23 18:30:31,906 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:31,906 INFO  L276                IsEmpty]: Start isEmpty. Operand 9103 states and 10922 transitions.
[2024-11-23 18:30:31,913 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 301
[2024-11-23 18:30:31,913 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-23 18:30:31,915 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:31,915 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-23 18:30:31,915 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:31,916 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:31,921 INFO  L85        PathProgramCache]: Analyzing trace with hash -30382884, now seen corresponding path program 1 times
[2024-11-23 18:30:31,921 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:31,921 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71258777]
[2024-11-23 18:30:31,921 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:31,921 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:31,994 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:32,194 INFO  L134       CoverageAnalysis]: Checked inductivity of 319 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked.
[2024-11-23 18:30:32,194 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:32,194 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71258777]
[2024-11-23 18:30:32,194 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71258777] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:32,195 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:32,195 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:30:32,195 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032286565]
[2024-11-23 18:30:32,195 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:32,195 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:30:32,196 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:32,196 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:30:32,196 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:32,196 INFO  L87              Difference]: Start difference. First operand 9103 states and 10922 transitions. Second operand  has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:33,242 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:33,242 INFO  L93              Difference]: Finished difference Result 18752 states and 22847 transitions.
[2024-11-23 18:30:33,243 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 18:30:33,243 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 300
[2024-11-23 18:30:33,244 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:33,267 INFO  L225             Difference]: With dead ends: 18752
[2024-11-23 18:30:33,267 INFO  L226             Difference]: Without dead ends: 10758
[2024-11-23 18:30:33,276 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:33,276 INFO  L435           NwaCegarLoop]: 124 mSDtfsCounter, 189 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:33,277 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 148 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-23 18:30:33,288 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 10758 states.
[2024-11-23 18:30:33,460 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 10758 to 9832.
[2024-11-23 18:30:33,479 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 9832 states, 9831 states have (on average 1.1803478791577662) internal successors, (11604), 9831 states have internal predecessors, (11604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:33,500 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 9832 states to 9832 states and 11604 transitions.
[2024-11-23 18:30:33,500 INFO  L78                 Accepts]: Start accepts. Automaton has 9832 states and 11604 transitions. Word has length 300
[2024-11-23 18:30:33,501 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:33,501 INFO  L471      AbstractCegarLoop]: Abstraction has 9832 states and 11604 transitions.
[2024-11-23 18:30:33,501 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:33,501 INFO  L276                IsEmpty]: Start isEmpty. Operand 9832 states and 11604 transitions.
[2024-11-23 18:30:33,513 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 341
[2024-11-23 18:30:33,513 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-23 18:30:33,513 INFO  L218           NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:33,513 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-23 18:30:33,514 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:33,515 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:33,515 INFO  L85        PathProgramCache]: Analyzing trace with hash 147510905, now seen corresponding path program 1 times
[2024-11-23 18:30:33,515 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:33,515 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008534055]
[2024-11-23 18:30:33,515 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:33,515 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:33,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:34,143 INFO  L134       CoverageAnalysis]: Checked inductivity of 207 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:30:34,143 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:34,144 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008534055]
[2024-11-23 18:30:34,144 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008534055] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:34,144 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:34,144 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 18:30:34,144 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009713358]
[2024-11-23 18:30:34,144 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:34,144 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:30:34,145 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:34,145 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:30:34,145 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:30:34,145 INFO  L87              Difference]: Start difference. First operand 9832 states and 11604 transitions. Second operand  has 4 states, 4 states have (on average 85.0) internal successors, (340), 4 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:36,111 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:36,112 INFO  L93              Difference]: Finished difference Result 23914 states and 28684 transitions.
[2024-11-23 18:30:36,113 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-23 18:30:36,114 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 85.0) internal successors, (340), 4 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 340
[2024-11-23 18:30:36,118 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:36,161 INFO  L225             Difference]: With dead ends: 23914
[2024-11-23 18:30:36,162 INFO  L226             Difference]: Without dead ends: 15191
[2024-11-23 18:30:36,170 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:30:36,172 INFO  L435           NwaCegarLoop]: 37 mSDtfsCounter, 255 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:36,173 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 68 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 1117 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-23 18:30:36,190 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 15191 states.
[2024-11-23 18:30:36,372 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 15191 to 13516.
[2024-11-23 18:30:36,395 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 13516 states, 13515 states have (on average 1.1859415464298928) internal successors, (16028), 13515 states have internal predecessors, (16028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:36,416 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13516 states to 13516 states and 16028 transitions.
[2024-11-23 18:30:36,417 INFO  L78                 Accepts]: Start accepts. Automaton has 13516 states and 16028 transitions. Word has length 340
[2024-11-23 18:30:36,418 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:36,418 INFO  L471      AbstractCegarLoop]: Abstraction has 13516 states and 16028 transitions.
[2024-11-23 18:30:36,418 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 85.0) internal successors, (340), 4 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:36,418 INFO  L276                IsEmpty]: Start isEmpty. Operand 13516 states and 16028 transitions.
[2024-11-23 18:30:36,442 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 415
[2024-11-23 18:30:36,443 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-23 18:30:36,443 INFO  L218           NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:36,443 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-23 18:30:36,443 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:36,444 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:36,444 INFO  L85        PathProgramCache]: Analyzing trace with hash -1732339891, now seen corresponding path program 1 times
[2024-11-23 18:30:36,444 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:36,444 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245507730]
[2024-11-23 18:30:36,444 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:36,445 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:36,561 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:37,055 INFO  L134       CoverageAnalysis]: Checked inductivity of 418 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked.
[2024-11-23 18:30:37,056 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:37,056 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245507730]
[2024-11-23 18:30:37,056 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245507730] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:37,056 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:37,056 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 18:30:37,056 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879174089]
[2024-11-23 18:30:37,057 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:37,057 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:30:37,057 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:37,058 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:30:37,058 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:30:37,059 INFO  L87              Difference]: Start difference. First operand 13516 states and 16028 transitions. Second operand  has 4 states, 4 states have (on average 77.75) internal successors, (311), 4 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:39,000 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:39,000 INFO  L93              Difference]: Finished difference Result 29622 states and 35606 transitions.
[2024-11-23 18:30:39,001 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-23 18:30:39,001 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 77.75) internal successors, (311), 4 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 414
[2024-11-23 18:30:39,002 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:39,043 INFO  L225             Difference]: With dead ends: 29622
[2024-11-23 18:30:39,043 INFO  L226             Difference]: Without dead ends: 17215
[2024-11-23 18:30:39,055 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:30:39,056 INFO  L435           NwaCegarLoop]: 37 mSDtfsCounter, 255 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 1402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 286 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:39,056 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 68 Invalid, 1402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [286 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-23 18:30:39,070 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 17215 states.
[2024-11-23 18:30:39,321 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 17215 to 13148.
[2024-11-23 18:30:39,338 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 13148 states, 13147 states have (on average 1.1870388681828554) internal successors, (15606), 13147 states have internal predecessors, (15606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:39,369 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 13148 states to 13148 states and 15606 transitions.
[2024-11-23 18:30:39,370 INFO  L78                 Accepts]: Start accepts. Automaton has 13148 states and 15606 transitions. Word has length 414
[2024-11-23 18:30:39,372 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:39,372 INFO  L471      AbstractCegarLoop]: Abstraction has 13148 states and 15606 transitions.
[2024-11-23 18:30:39,372 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 77.75) internal successors, (311), 4 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:39,372 INFO  L276                IsEmpty]: Start isEmpty. Operand 13148 states and 15606 transitions.
[2024-11-23 18:30:39,417 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 588
[2024-11-23 18:30:39,417 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-23 18:30:39,418 INFO  L218           NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:39,418 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-23 18:30:39,418 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:39,419 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:39,419 INFO  L85        PathProgramCache]: Analyzing trace with hash 1202606572, now seen corresponding path program 1 times
[2024-11-23 18:30:39,420 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:39,421 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718547418]
[2024-11-23 18:30:39,421 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:39,421 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:39,590 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:39,903 INFO  L134       CoverageAnalysis]: Checked inductivity of 1005 backedges. 802 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked.
[2024-11-23 18:30:39,904 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:39,904 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718547418]
[2024-11-23 18:30:39,904 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718547418] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:39,904 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:39,904 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:30:39,904 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149656682]
[2024-11-23 18:30:39,904 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:39,905 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:30:39,905 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:39,906 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:30:39,907 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:39,907 INFO  L87              Difference]: Start difference. First operand 13148 states and 15606 transitions. Second operand  has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:40,829 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:40,830 INFO  L93              Difference]: Finished difference Result 23893 states and 28435 transitions.
[2024-11-23 18:30:40,830 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 18:30:40,830 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 587
[2024-11-23 18:30:40,831 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:40,853 INFO  L225             Difference]: With dead ends: 23893
[2024-11-23 18:30:40,853 INFO  L226             Difference]: Without dead ends: 11854
[2024-11-23 18:30:40,861 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:40,862 INFO  L435           NwaCegarLoop]: 126 mSDtfsCounter, 102 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:40,863 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 149 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-23 18:30:40,870 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 11854 states.
[2024-11-23 18:30:40,981 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 11854 to 10012.
[2024-11-23 18:30:40,991 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 10012 states, 10011 states have (on average 1.1403456198182) internal successors, (11416), 10011 states have internal predecessors, (11416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:41,004 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 10012 states to 10012 states and 11416 transitions.
[2024-11-23 18:30:41,004 INFO  L78                 Accepts]: Start accepts. Automaton has 10012 states and 11416 transitions. Word has length 587
[2024-11-23 18:30:41,005 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:41,005 INFO  L471      AbstractCegarLoop]: Abstraction has 10012 states and 11416 transitions.
[2024-11-23 18:30:41,005 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 140.0) internal successors, (420), 3 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:41,005 INFO  L276                IsEmpty]: Start isEmpty. Operand 10012 states and 11416 transitions.
[2024-11-23 18:30:41,019 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 679
[2024-11-23 18:30:41,019 INFO  L210           NwaCegarLoop]: Found error trace
[2024-11-23 18:30:41,020 INFO  L218           NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:41,020 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-23 18:30:41,020 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:41,021 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:41,021 INFO  L85        PathProgramCache]: Analyzing trace with hash -1300910751, now seen corresponding path program 1 times
[2024-11-23 18:30:41,021 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:41,021 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923360834]
[2024-11-23 18:30:41,021 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:41,022 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:41,142 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:41,476 INFO  L134       CoverageAnalysis]: Checked inductivity of 1242 backedges. 713 proven. 0 refuted. 0 times theorem prover too weak. 529 trivial. 0 not checked.
[2024-11-23 18:30:41,477 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:41,477 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923360834]
[2024-11-23 18:30:41,478 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923360834] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:41,478 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:41,478 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:30:41,478 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735837383]
[2024-11-23 18:30:41,478 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:41,479 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:30:41,479 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:41,479 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:30:41,480 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:41,480 INFO  L87              Difference]: Start difference. First operand 10012 states and 11416 transitions. Second operand  has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:42,411 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:42,412 INFO  L93              Difference]: Finished difference Result 20201 states and 23129 transitions.
[2024-11-23 18:30:42,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 18:30:42,412 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 678
[2024-11-23 18:30:42,413 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:42,413 INFO  L225             Difference]: With dead ends: 20201
[2024-11-23 18:30:42,413 INFO  L226             Difference]: Without dead ends: 0
[2024-11-23 18:30:42,419 INFO  L434           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:42,420 INFO  L435           NwaCegarLoop]: 343 mSDtfsCounter, 194 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:42,420 INFO  L436           NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 365 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-23 18:30:42,421 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-23 18:30:42,421 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-23 18:30:42,421 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:42,421 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-23 18:30:42,421 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 678
[2024-11-23 18:30:42,421 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:42,421 INFO  L471      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-23 18:30:42,422 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 104.66666666666667) internal successors, (314), 3 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:42,422 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-23 18:30:42,422 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-23 18:30:42,425 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-23 18:30:42,425 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-23 18:30:42,428 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:42,430 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-23 18:30:43,951 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 18:30:43,966 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:30:43 BoogieIcfgContainer
[2024-11-23 18:30:43,966 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 18:30:43,967 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 18:30:43,967 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-23 18:30:43,967 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-23 18:30:43,968 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:30:14" (3/4) ...
[2024-11-23 18:30:43,970 INFO  L146         WitnessPrinter]: Generating witness for correct program
[2024-11-23 18:30:43,999 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-23 18:30:44,003 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-23 18:30:44,004 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-23 18:30:44,006 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-23 18:30:44,198 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 18:30:44,198 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 18:30:44,199 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 18:30:44,199 INFO  L158              Benchmark]: Toolchain (without parser) took 33313.35ms. Allocated memory was 117.4MB in the beginning and 528.5MB in the end (delta: 411.0MB). Free memory was 89.3MB in the beginning and 361.3MB in the end (delta: -272.0MB). Peak memory consumption was 142.1MB. Max. memory is 16.1GB.
[2024-11-23 18:30:44,203 INFO  L158              Benchmark]: CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:30:44,204 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 857.81ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 46.2MB in the end (delta: 42.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-11-23 18:30:44,204 INFO  L158              Benchmark]: Boogie Procedure Inliner took 195.24ms. Allocated memory is still 117.4MB. Free memory was 46.2MB in the beginning and 78.7MB in the end (delta: -32.4MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB.
[2024-11-23 18:30:44,204 INFO  L158              Benchmark]: Boogie Preprocessor took 165.78ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 54.1MB in the end (delta: 24.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 18:30:44,205 INFO  L158              Benchmark]: RCFGBuilder took 2477.91ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 54.1MB in the beginning and 54.2MB in the end (delta: -182.0kB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB.
[2024-11-23 18:30:44,205 INFO  L158              Benchmark]: TraceAbstraction took 29376.10ms. Allocated memory was 159.4MB in the beginning and 528.5MB in the end (delta: 369.1MB). Free memory was 53.5MB in the beginning and 373.9MB in the end (delta: -320.3MB). Peak memory consumption was 346.3MB. Max. memory is 16.1GB.
[2024-11-23 18:30:44,206 INFO  L158              Benchmark]: Witness Printer took 231.83ms. Allocated memory is still 528.5MB. Free memory was 373.9MB in the beginning and 361.3MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 18:30:44,207 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.52ms. Allocated memory is still 117.4MB. Free memory was 73.3MB in the beginning and 73.1MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 857.81ms. Allocated memory is still 117.4MB. Free memory was 88.9MB in the beginning and 46.2MB in the end (delta: 42.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 195.24ms. Allocated memory is still 117.4MB. Free memory was 46.2MB in the beginning and 78.7MB in the end (delta: -32.4MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 165.78ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 54.1MB in the end (delta: 24.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * RCFGBuilder took 2477.91ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 54.1MB in the beginning and 54.2MB in the end (delta: -182.0kB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB.
 * TraceAbstraction took 29376.10ms. Allocated memory was 159.4MB in the beginning and 528.5MB in the end (delta: 369.1MB). Free memory was 53.5MB in the beginning and 373.9MB in the end (delta: -320.3MB). Peak memory consumption was 346.3MB. Max. memory is 16.1GB.
 * Witness Printer took 231.83ms. Allocated memory is still 528.5MB. Free memory was 373.9MB in the beginning and 361.3MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 121]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.8s, OverallIterations: 14, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 19.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2930 SdHoareTripleChecker+Valid, 17.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2930 mSDsluCounter, 2850 SdHoareTripleChecker+Invalid, 14.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 417 mSDsCounter, 1957 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10484 IncrementalHoareTripleChecker+Invalid, 12441 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1957 mSolverCounterUnsat, 2433 mSDtfsCounter, 10484 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13516occurred in iteration=11, InterpolantAutomatonStates: 51, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 14 MinimizatonAttempts, 8962 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 3868 NumberOfCodeBlocks, 3868 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3854 ConstructedInterpolants, 0 QuantifiedInterpolants, 10100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 3952/3952 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 1044]: Loop Invariant
    Derived loop invariant: (((((((((a29 <= 599998) && (a4 != 1)) || (((a25 <= 10) && (a29 <= 599999)) && (((long long) a23 + 599772) <= 0))) || (((long long) a29 + 21) <= 0)) || ((((307 <= a23) && (a25 == 11)) && (a29 <= 599999)) && (a4 == 1))) || ((a25 == 11) && (a29 <= 599998))) || ((a25 == 13) && (a29 <= 599998))) || ((307 <= a23) && (a29 <= 599998))) || (((a25 <= 10) && (a29 <= 599999)) && (a4 == 1)))
RESULT: Ultimate proved your program to be correct!
[2024-11-23 18:30:44,233 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fa584eb-9633-42d4-9de3-ea9e6a6548e8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE