./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label47.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label47.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 103373b01165e675f1afb9e09ec885c13f1a3cf5f5509ebb739eddda0fa36373
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 12:45:31,030 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 12:45:31,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 12:45:31,083 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 12:45:31,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 12:45:31,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 12:45:31,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 12:45:31,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 12:45:31,104 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 12:45:31,105 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 12:45:31,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 12:45:31,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 12:45:31,105 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 12:45:31,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 12:45:31,105 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 12:45:31,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 12:45:31,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 12:45:31,106 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 12:45:31,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 12:45:31,106 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 12:45:31,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 12:45:31,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 12:45:31,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 12:45:31,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 12:45:31,106 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 12:45:31,106 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 12:45:31,106 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 12:45:31,106 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 12:45:31,107 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 12:45:31,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:45:31,107 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:45:31,107 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:45:31,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:45:31,107 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 12:45:31,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:45:31,107 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:45:31,107 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:45:31,107 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:45:31,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 12:45:31,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 12:45:31,108 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 12:45:31,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 12:45:31,108 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 12:45:31,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 12:45:31,108 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 12:45:31,108 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 12:45:31,108 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 12:45:31,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 12:45:31,109 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_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 103373b01165e675f1afb9e09ec885c13f1a3cf5f5509ebb739eddda0fa36373
[2024-12-02 12:45:31,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 12:45:31,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 12:45:31,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 12:45:31,319 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 12:45:31,320 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 12:45:31,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/eca-rers2012/Problem04_label47.c
[2024-12-02 12:45:33,933 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/data/a23dfbd40/69658d0a42de4bf39d550932c2bfd246/FLAG08be641ea
[2024-12-02 12:45:34,341 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 12:45:34,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/sv-benchmarks/c/eca-rers2012/Problem04_label47.c
[2024-12-02 12:45:34,366 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/data/a23dfbd40/69658d0a42de4bf39d550932c2bfd246/FLAG08be641ea
[2024-12-02 12:45:34,380 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/data/a23dfbd40/69658d0a42de4bf39d550932c2bfd246
[2024-12-02 12:45:34,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 12:45:34,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 12:45:34,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 12:45:34,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 12:45:34,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 12:45:34,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:45:34" (1/1) ...
[2024-12-02 12:45:34,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21530003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:34, skipping insertion in model container
[2024-12-02 12:45:34,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:45:34" (1/1) ...
[2024-12-02 12:45:34,477 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 12:45:35,301 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_81002569-ca07-451c-b5ba-1707b3a6916c/sv-benchmarks/c/eca-rers2012/Problem04_label47.c[180462,180475]
[2024-12-02 12:45:35,319 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:45:35,329 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 12:45:35,786 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_81002569-ca07-451c-b5ba-1707b3a6916c/sv-benchmarks/c/eca-rers2012/Problem04_label47.c[180462,180475]
[2024-12-02 12:45:35,792 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:45:35,816 INFO L204 MainTranslator]: Completed translation
[2024-12-02 12:45:35,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:35 WrapperNode
[2024-12-02 12:45:35,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 12:45:35,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 12:45:35,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 12:45:35,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 12:45:35,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:35" (1/1) ...
[2024-12-02 12:45:35,859 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:35" (1/1) ...
[2024-12-02 12:45:36,025 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5575
[2024-12-02 12:45:36,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 12:45:36,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 12:45:36,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 12:45:36,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 12:45:36,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:35" (1/1) ...
[2024-12-02 12:45:36,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:35" (1/1) ...
[2024-12-02 12:45:36,059 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:35" (1/1) ...
[2024-12-02 12:45:36,100 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 12:45:36,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:35" (1/1) ...
[2024-12-02 12:45:36,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:35" (1/1) ...
[2024-12-02 12:45:36,196 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:35" (1/1) ...
[2024-12-02 12:45:36,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:35" (1/1) ...
[2024-12-02 12:45:36,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:35" (1/1) ...
[2024-12-02 12:45:36,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:35" (1/1) ...
[2024-12-02 12:45:36,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:35" (1/1) ...
[2024-12-02 12:45:36,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 12:45:36,303 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 12:45:36,303 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 12:45:36,303 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 12:45:36,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:35" (1/1) ...
[2024-12-02 12:45:36,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:45:36,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:45:36,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 12:45:36,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 12:45:36,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 12:45:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 12:45:36,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 12:45:36,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 12:45:36,406 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 12:45:36,407 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 12:45:40,446 INFO L? ?]: Removed 768 outVars from TransFormulas that were not future-live.
[2024-12-02 12:45:40,446 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 12:45:40,474 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 12:45:40,474 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 12:45:40,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:45:40 BoogieIcfgContainer
[2024-12-02 12:45:40,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 12:45:40,477 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 12:45:40,477 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 12:45:40,481 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 12:45:40,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:45:34" (1/3) ...
[2024-12-02 12:45:40,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f56eabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:45:40, skipping insertion in model container
[2024-12-02 12:45:40,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:45:35" (2/3) ...
[2024-12-02 12:45:40,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f56eabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:45:40, skipping insertion in model container
[2024-12-02 12:45:40,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:45:40" (3/3) ...
[2024-12-02 12:45:40,484 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem04_label47.c
[2024-12-02 12:45:40,498 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 12:45:40,499 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem04_label47.c that has 1 procedures, 885 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 12:45:40,573 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 12:45:40,584 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;@6e9e5ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 12:45:40,585 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 12:45:40,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 885 states, 883 states have (on average 1.9229898074745186) internal successors, (1698), 884 states have internal predecessors, (1698), 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)
[2024-12-02 12:45:40,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787
[2024-12-02 12:45:40,625 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:45:40,627 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:45:40,627 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:45:40,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:45:40,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2073613333, now seen corresponding path program 1 times
[2024-12-02 12:45:40,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:45:40,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785584878]
[2024-12-02 12:45:40,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:45:40,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:45:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:45:42,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:45:42,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:45:42,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785584878]
[2024-12-02 12:45:42,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785584878] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:45:42,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:45:42,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:45:42,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512219499]
[2024-12-02 12:45:42,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:45:42,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:45:42,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:45:42,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:45:42,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:45:42,549 INFO L87 Difference]: Start difference. First operand has 885 states, 883 states have (on average 1.9229898074745186) internal successors, (1698), 884 states have internal predecessors, (1698), 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 262.0) internal successors, (786), 2 states have internal predecessors, (786), 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)
[2024-12-02 12:45:45,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:45:45,574 INFO L93 Difference]: Finished difference Result 2589 states and 5028 transitions.
[2024-12-02 12:45:45,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:45:45,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 262.0) internal successors, (786), 2 states have internal predecessors, (786), 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 786
[2024-12-02 12:45:45,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:45:45,594 INFO L225 Difference]: With dead ends: 2589
[2024-12-02 12:45:45,594 INFO L226 Difference]: Without dead ends: 1640
[2024-12-02 12:45:45,598 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
[2024-12-02 12:45:45,601 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 104 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 2955 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 3375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 2955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time
[2024-12-02 12:45:45,601 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 109 Invalid, 3375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 2955 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time]
[2024-12-02 12:45:45,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states.
[2024-12-02 12:45:45,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1640.
[2024-12-02 12:45:45,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1640 states, 1639 states have (on average 1.8791946308724832) internal successors, (3080), 1639 states have internal predecessors, (3080), 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)
[2024-12-02 12:45:45,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 3080 transitions.
[2024-12-02 12:45:45,695 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 3080 transitions. Word has length 786
[2024-12-02 12:45:45,696 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:45:45,697 INFO L471 AbstractCegarLoop]: Abstraction has 1640 states and 3080 transitions.
[2024-12-02 12:45:45,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.0) internal successors, (786), 2 states have internal predecessors, (786), 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)
[2024-12-02 12:45:45,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 3080 transitions.
[2024-12-02 12:45:45,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791
[2024-12-02 12:45:45,718 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:45:45,718 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:45:45,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 12:45:45,719 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:45:45,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:45:45,720 INFO L85 PathProgramCache]: Analyzing trace with hash 797988271, now seen corresponding path program 1 times
[2024-12-02 12:45:45,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:45:45,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353296626]
[2024-12-02 12:45:45,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:45:45,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:45:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:45:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:45:47,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:45:47,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353296626]
[2024-12-02 12:45:47,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353296626] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:45:47,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:45:47,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:45:47,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893625310]
[2024-12-02 12:45:47,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:45:47,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:45:47,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:45:47,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:45:47,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:45:47,164 INFO L87 Difference]: Start difference. First operand 1640 states and 3080 transitions. Second operand has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 2 states have internal predecessors, (790), 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)
[2024-12-02 12:45:50,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:45:50,148 INFO L93 Difference]: Finished difference Result 4914 states and 9235 transitions.
[2024-12-02 12:45:50,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:45:50,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 2 states have internal predecessors, (790), 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 790
[2024-12-02 12:45:50,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:45:50,156 INFO L225 Difference]: With dead ends: 4914
[2024-12-02 12:45:50,157 INFO L226 Difference]: Without dead ends: 3276
[2024-12-02 12:45:50,159 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
[2024-12-02 12:45:50,159 INFO L435 NwaCegarLoop]: 441 mSDtfsCounter, 820 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2662 mSolverCounterSat, 518 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 3180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 518 IncrementalHoareTripleChecker+Valid, 2662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time
[2024-12-02 12:45:50,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 448 Invalid, 3180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [518 Valid, 2662 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time]
[2024-12-02 12:45:50,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3276 states.
[2024-12-02 12:45:50,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3276 to 3276.
[2024-12-02 12:45:50,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3276 states, 3275 states have (on average 1.6454961832061068) internal successors, (5389), 3275 states have internal predecessors, (5389), 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)
[2024-12-02 12:45:50,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 3276 states and 5389 transitions.
[2024-12-02 12:45:50,236 INFO L78 Accepts]: Start accepts. Automaton has 3276 states and 5389 transitions. Word has length 790
[2024-12-02 12:45:50,237 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:45:50,237 INFO L471 AbstractCegarLoop]: Abstraction has 3276 states and 5389 transitions.
[2024-12-02 12:45:50,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 2 states have internal predecessors, (790), 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)
[2024-12-02 12:45:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 3276 states and 5389 transitions.
[2024-12-02 12:45:50,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 796
[2024-12-02 12:45:50,248 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:45:50,249 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:45:50,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 12:45:50,249 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:45:50,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:45:50,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1564424681, now seen corresponding path program 1 times
[2024-12-02 12:45:50,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:45:50,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039327224]
[2024-12-02 12:45:50,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:45:50,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:45:50,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:45:50,824 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 12:45:50,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:45:50,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039327224]
[2024-12-02 12:45:50,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039327224] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:45:50,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:45:50,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:45:50,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596013760]
[2024-12-02 12:45:50,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:45:50,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:45:50,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:45:50,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:45:50,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:45:50,828 INFO L87 Difference]: Start difference. First operand 3276 states and 5389 transitions. Second operand has 3 states, 3 states have (on average 264.0) internal successors, (792), 2 states have internal predecessors, (792), 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)
[2024-12-02 12:45:53,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:45:53,498 INFO L93 Difference]: Finished difference Result 9822 states and 16162 transitions.
[2024-12-02 12:45:53,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:45:53,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 264.0) internal successors, (792), 2 states have internal predecessors, (792), 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 795
[2024-12-02 12:45:53,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:45:53,519 INFO L225 Difference]: With dead ends: 9822
[2024-12-02 12:45:53,519 INFO L226 Difference]: Without dead ends: 6548
[2024-12-02 12:45:53,524 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
[2024-12-02 12:45:53,524 INFO L435 NwaCegarLoop]: 192 mSDtfsCounter, 995 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2279 mSolverCounterSat, 1177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 3456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1177 IncrementalHoareTripleChecker+Valid, 2279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-12-02 12:45:53,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [995 Valid, 200 Invalid, 3456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1177 Valid, 2279 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-12-02 12:45:53,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6548 states.
[2024-12-02 12:45:53,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6548 to 6548.
[2024-12-02 12:45:53,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6548 states, 6547 states have (on average 1.5630059569268366) internal successors, (10233), 6547 states have internal predecessors, (10233), 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)
[2024-12-02 12:45:53,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6548 states to 6548 states and 10233 transitions.
[2024-12-02 12:45:53,649 INFO L78 Accepts]: Start accepts. Automaton has 6548 states and 10233 transitions. Word has length 795
[2024-12-02 12:45:53,650 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:45:53,650 INFO L471 AbstractCegarLoop]: Abstraction has 6548 states and 10233 transitions.
[2024-12-02 12:45:53,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 264.0) internal successors, (792), 2 states have internal predecessors, (792), 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)
[2024-12-02 12:45:53,650 INFO L276 IsEmpty]: Start isEmpty. Operand 6548 states and 10233 transitions.
[2024-12-02 12:45:53,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 802
[2024-12-02 12:45:53,664 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:45:53,665 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:45:53,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 12:45:53,665 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:45:53,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:45:53,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1330282698, now seen corresponding path program 1 times
[2024-12-02 12:45:53,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:45:53,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34105836]
[2024-12-02 12:45:53,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:45:53,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:45:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:45:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2024-12-02 12:45:54,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:45:54,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34105836]
[2024-12-02 12:45:54,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34105836] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:45:54,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:45:54,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:45:54,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114162692]
[2024-12-02 12:45:54,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:45:54,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:45:54,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:45:54,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:45:54,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:45:54,459 INFO L87 Difference]: Start difference. First operand 6548 states and 10233 transitions. Second operand has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 2 states have internal predecessors, (788), 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)
[2024-12-02 12:45:57,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:45:57,024 INFO L93 Difference]: Finished difference Result 19638 states and 30694 transitions.
[2024-12-02 12:45:57,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:45:57,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 2 states have internal predecessors, (788), 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 801
[2024-12-02 12:45:57,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:45:57,044 INFO L225 Difference]: With dead ends: 19638
[2024-12-02 12:45:57,044 INFO L226 Difference]: Without dead ends: 13092
[2024-12-02 12:45:57,048 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
[2024-12-02 12:45:57,049 INFO L435 NwaCegarLoop]: 467 mSDtfsCounter, 235 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2080 mSolverCounterSat, 1077 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 3157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1077 IncrementalHoareTripleChecker+Valid, 2080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 12:45:57,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 475 Invalid, 3157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1077 Valid, 2080 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 12:45:57,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13092 states.
[2024-12-02 12:45:57,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13092 to 13092.
[2024-12-02 12:45:57,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13092 states, 13091 states have (on average 1.3879000840271942) internal successors, (18169), 13091 states have internal predecessors, (18169), 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)
[2024-12-02 12:45:57,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13092 states to 13092 states and 18169 transitions.
[2024-12-02 12:45:57,215 INFO L78 Accepts]: Start accepts. Automaton has 13092 states and 18169 transitions. Word has length 801
[2024-12-02 12:45:57,216 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:45:57,216 INFO L471 AbstractCegarLoop]: Abstraction has 13092 states and 18169 transitions.
[2024-12-02 12:45:57,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 2 states have internal predecessors, (788), 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)
[2024-12-02 12:45:57,217 INFO L276 IsEmpty]: Start isEmpty. Operand 13092 states and 18169 transitions.
[2024-12-02 12:45:57,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 980
[2024-12-02 12:45:57,244 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:45:57,244 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:45:57,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 12:45:57,245 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:45:57,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:45:57,246 INFO L85 PathProgramCache]: Analyzing trace with hash -788466751, now seen corresponding path program 1 times
[2024-12-02 12:45:57,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:45:57,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891344216]
[2024-12-02 12:45:57,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:45:57,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:45:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:45:57,930 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked.
[2024-12-02 12:45:57,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:45:57,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891344216]
[2024-12-02 12:45:57,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891344216] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:45:57,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:45:57,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:45:57,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716355599]
[2024-12-02 12:45:57,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:45:57,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:45:57,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:45:57,933 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:45:57,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:45:57,933 INFO L87 Difference]: Start difference. First operand 13092 states and 18169 transitions. Second operand has 3 states, 3 states have (on average 267.0) internal successors, (801), 2 states have internal predecessors, (801), 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)
[2024-12-02 12:46:00,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:46:00,812 INFO L93 Difference]: Finished difference Result 27818 states and 38728 transitions.
[2024-12-02 12:46:00,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:46:00,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 267.0) internal successors, (801), 2 states have internal predecessors, (801), 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 979
[2024-12-02 12:46:00,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:46:00,837 INFO L225 Difference]: With dead ends: 27818
[2024-12-02 12:46:00,837 INFO L226 Difference]: Without dead ends: 14728
[2024-12-02 12:46:00,843 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
[2024-12-02 12:46:00,844 INFO L435 NwaCegarLoop]: 699 mSDtfsCounter, 809 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2956 mSolverCounterSat, 348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 3304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 348 IncrementalHoareTripleChecker+Valid, 2956 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time
[2024-12-02 12:46:00,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 707 Invalid, 3304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [348 Valid, 2956 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time]
[2024-12-02 12:46:00,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14728 states.
[2024-12-02 12:46:00,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14728 to 14728.
[2024-12-02 12:46:00,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14728 states, 14727 states have (on average 1.3619202824743668) internal successors, (20057), 14727 states have internal predecessors, (20057), 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)
[2024-12-02 12:46:00,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14728 states to 14728 states and 20057 transitions.
[2024-12-02 12:46:00,975 INFO L78 Accepts]: Start accepts. Automaton has 14728 states and 20057 transitions. Word has length 979
[2024-12-02 12:46:00,975 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:46:00,975 INFO L471 AbstractCegarLoop]: Abstraction has 14728 states and 20057 transitions.
[2024-12-02 12:46:00,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 267.0) internal successors, (801), 2 states have internal predecessors, (801), 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)
[2024-12-02 12:46:00,975 INFO L276 IsEmpty]: Start isEmpty. Operand 14728 states and 20057 transitions.
[2024-12-02 12:46:00,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 989
[2024-12-02 12:46:00,990 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:46:00,991 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:46:00,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 12:46:00,991 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:46:00,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:46:00,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1723407832, now seen corresponding path program 1 times
[2024-12-02 12:46:00,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:46:00,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222266193]
[2024-12-02 12:46:00,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:46:00,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:46:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:46:01,424 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked.
[2024-12-02 12:46:01,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:46:01,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222266193]
[2024-12-02 12:46:01,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222266193] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:46:01,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:46:01,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:46:01,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561455998]
[2024-12-02 12:46:01,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:46:01,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:46:01,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:46:01,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:46:01,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:46:01,427 INFO L87 Difference]: Start difference. First operand 14728 states and 20057 transitions. Second operand has 3 states, 3 states have (on average 282.3333333333333) internal successors, (847), 2 states have internal predecessors, (847), 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)
[2024-12-02 12:46:04,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:46:04,074 INFO L93 Difference]: Finished difference Result 43360 states and 59114 transitions.
[2024-12-02 12:46:04,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:46:04,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 282.3333333333333) internal successors, (847), 2 states have internal predecessors, (847), 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 988
[2024-12-02 12:46:04,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:46:04,108 INFO L225 Difference]: With dead ends: 43360
[2024-12-02 12:46:04,108 INFO L226 Difference]: Without dead ends: 28634
[2024-12-02 12:46:04,117 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
[2024-12-02 12:46:04,118 INFO L435 NwaCegarLoop]: 409 mSDtfsCounter, 835 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2954 mSolverCounterSat, 362 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 835 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 3316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 362 IncrementalHoareTripleChecker+Valid, 2954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-12-02 12:46:04,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [835 Valid, 417 Invalid, 3316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [362 Valid, 2954 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-12-02 12:46:04,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28634 states.
[2024-12-02 12:46:04,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28634 to 28634.
[2024-12-02 12:46:04,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28634 states, 28633 states have (on average 1.322774421122481) internal successors, (37875), 28633 states have internal predecessors, (37875), 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)
[2024-12-02 12:46:04,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28634 states to 28634 states and 37875 transitions.
[2024-12-02 12:46:04,517 INFO L78 Accepts]: Start accepts. Automaton has 28634 states and 37875 transitions. Word has length 988
[2024-12-02 12:46:04,518 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:46:04,518 INFO L471 AbstractCegarLoop]: Abstraction has 28634 states and 37875 transitions.
[2024-12-02 12:46:04,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 282.3333333333333) internal successors, (847), 2 states have internal predecessors, (847), 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)
[2024-12-02 12:46:04,518 INFO L276 IsEmpty]: Start isEmpty. Operand 28634 states and 37875 transitions.
[2024-12-02 12:46:04,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1314
[2024-12-02 12:46:04,588 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:46:04,589 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:46:04,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 12:46:04,589 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:46:04,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:46:04,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1102230541, now seen corresponding path program 1 times
[2024-12-02 12:46:04,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:46:04,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414634814]
[2024-12-02 12:46:04,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:46:04,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:46:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:46:05,594 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked.
[2024-12-02 12:46:05,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:46:05,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414634814]
[2024-12-02 12:46:05,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414634814] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:46:05,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:46:05,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:46:05,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914790315]
[2024-12-02 12:46:05,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:46:05,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 12:46:05,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:46:05,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 12:46:05,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:46:05,598 INFO L87 Difference]: Start difference. First operand 28634 states and 37875 transitions. Second operand has 4 states, 4 states have (on average 203.75) internal successors, (815), 3 states have internal predecessors, (815), 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)
[2024-12-02 12:46:09,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:46:09,629 INFO L93 Difference]: Finished difference Result 62992 states and 83994 transitions.
[2024-12-02 12:46:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 12:46:09,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 203.75) internal successors, (815), 3 states have internal predecessors, (815), 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 1313
[2024-12-02 12:46:09,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:46:09,678 INFO L225 Difference]: With dead ends: 62992
[2024-12-02 12:46:09,678 INFO L226 Difference]: Without dead ends: 34360
[2024-12-02 12:46:09,692 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
[2024-12-02 12:46:09,693 INFO L435 NwaCegarLoop]: 508 mSDtfsCounter, 1656 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 5236 mSolverCounterSat, 669 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1656 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 5905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 669 IncrementalHoareTripleChecker+Valid, 5236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time
[2024-12-02 12:46:09,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1656 Valid, 523 Invalid, 5905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [669 Valid, 5236 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time]
[2024-12-02 12:46:09,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34360 states.
[2024-12-02 12:46:09,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34360 to 34360.
[2024-12-02 12:46:09,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34360 states, 34359 states have (on average 1.2567595098809627) internal successors, (43181), 34359 states have internal predecessors, (43181), 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)
[2024-12-02 12:46:09,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34360 states to 34360 states and 43181 transitions.
[2024-12-02 12:46:09,987 INFO L78 Accepts]: Start accepts. Automaton has 34360 states and 43181 transitions. Word has length 1313
[2024-12-02 12:46:09,987 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:46:09,987 INFO L471 AbstractCegarLoop]: Abstraction has 34360 states and 43181 transitions.
[2024-12-02 12:46:09,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 203.75) internal successors, (815), 3 states have internal predecessors, (815), 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)
[2024-12-02 12:46:09,988 INFO L276 IsEmpty]: Start isEmpty. Operand 34360 states and 43181 transitions.
[2024-12-02 12:46:10,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1316
[2024-12-02 12:46:10,064 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:46:10,065 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:46:10,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 12:46:10,065 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:46:10,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:46:10,066 INFO L85 PathProgramCache]: Analyzing trace with hash 530432821, now seen corresponding path program 1 times
[2024-12-02 12:46:10,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:46:10,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404060640]
[2024-12-02 12:46:10,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:46:10,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:46:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:46:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 526 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked.
[2024-12-02 12:46:10,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:46:10,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404060640]
[2024-12-02 12:46:10,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404060640] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:46:10,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:46:10,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:46:10,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015421960]
[2024-12-02 12:46:10,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:46:10,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:46:10,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:46:10,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:46:10,712 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:46:10,712 INFO L87 Difference]: Start difference. First operand 34360 states and 43181 transitions. Second operand has 3 states, 3 states have (on average 430.0) internal successors, (1290), 2 states have internal predecessors, (1290), 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)
[2024-12-02 12:46:13,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:46:13,419 INFO L93 Difference]: Finished difference Result 96530 states and 121949 transitions.
[2024-12-02 12:46:13,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:46:13,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 430.0) internal successors, (1290), 2 states have internal predecessors, (1290), 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 1315
[2024-12-02 12:46:13,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:46:13,500 INFO L225 Difference]: With dead ends: 96530
[2024-12-02 12:46:13,500 INFO L226 Difference]: Without dead ends: 62172
[2024-12-02 12:46:13,516 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
[2024-12-02 12:46:13,517 INFO L435 NwaCegarLoop]: 485 mSDtfsCounter, 576 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2066 mSolverCounterSat, 1063 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 576 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 3129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1063 IncrementalHoareTripleChecker+Valid, 2066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 12:46:13,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [576 Valid, 492 Invalid, 3129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1063 Valid, 2066 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 12:46:13,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62172 states.
[2024-12-02 12:46:14,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62172 to 49902.
[2024-12-02 12:46:14,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49902 states, 49901 states have (on average 1.213001743452035) internal successors, (60530), 49901 states have internal predecessors, (60530), 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)
[2024-12-02 12:46:14,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49902 states to 49902 states and 60530 transitions.
[2024-12-02 12:46:14,231 INFO L78 Accepts]: Start accepts. Automaton has 49902 states and 60530 transitions. Word has length 1315
[2024-12-02 12:46:14,231 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:46:14,231 INFO L471 AbstractCegarLoop]: Abstraction has 49902 states and 60530 transitions.
[2024-12-02 12:46:14,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 430.0) internal successors, (1290), 2 states have internal predecessors, (1290), 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)
[2024-12-02 12:46:14,232 INFO L276 IsEmpty]: Start isEmpty. Operand 49902 states and 60530 transitions.
[2024-12-02 12:46:14,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1546
[2024-12-02 12:46:14,303 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:46:14,304 INFO L218 NwaCegarLoop]: trace histogram [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, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:46:14,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 12:46:14,304 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:46:14,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:46:14,305 INFO L85 PathProgramCache]: Analyzing trace with hash 706011756, now seen corresponding path program 1 times
[2024-12-02 12:46:14,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:46:14,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641394777]
[2024-12-02 12:46:14,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:46:14,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:46:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:46:15,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1235 backedges. 606 proven. 0 refuted. 0 times theorem prover too weak. 629 trivial. 0 not checked.
[2024-12-02 12:46:15,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:46:15,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641394777]
[2024-12-02 12:46:15,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641394777] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:46:15,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:46:15,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:46:15,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501917876]
[2024-12-02 12:46:15,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:46:15,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:46:15,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:46:15,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:46:15,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:46:15,426 INFO L87 Difference]: Start difference. First operand 49902 states and 60530 transitions. Second operand has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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)
[2024-12-02 12:46:18,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:46:18,289 INFO L93 Difference]: Finished difference Result 121888 states and 147740 transitions.
[2024-12-02 12:46:18,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:46:18,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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 1545
[2024-12-02 12:46:18,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:46:18,396 INFO L225 Difference]: With dead ends: 121888
[2024-12-02 12:46:18,396 INFO L226 Difference]: Without dead ends: 71988
[2024-12-02 12:46:18,421 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
[2024-12-02 12:46:18,421 INFO L435 NwaCegarLoop]: 398 mSDtfsCounter, 774 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2913 mSolverCounterSat, 321 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 774 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 3234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 321 IncrementalHoareTripleChecker+Valid, 2913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-12-02 12:46:18,422 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [774 Valid, 406 Invalid, 3234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [321 Valid, 2913 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-12-02 12:46:18,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71988 states.
[2024-12-02 12:46:18,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71988 to 71988.
[2024-12-02 12:46:18,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71988 states, 71987 states have (on average 1.191076166530068) internal successors, (85742), 71987 states have internal predecessors, (85742), 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)
[2024-12-02 12:46:19,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71988 states to 71988 states and 85742 transitions.
[2024-12-02 12:46:19,033 INFO L78 Accepts]: Start accepts. Automaton has 71988 states and 85742 transitions. Word has length 1545
[2024-12-02 12:46:19,033 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:46:19,033 INFO L471 AbstractCegarLoop]: Abstraction has 71988 states and 85742 transitions.
[2024-12-02 12:46:19,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 325.6666666666667) internal successors, (977), 3 states have internal predecessors, (977), 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)
[2024-12-02 12:46:19,034 INFO L276 IsEmpty]: Start isEmpty. Operand 71988 states and 85742 transitions.
[2024-12-02 12:46:19,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1629
[2024-12-02 12:46:19,091 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:46:19,092 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:46:19,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 12:46:19,092 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:46:19,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:46:19,093 INFO L85 PathProgramCache]: Analyzing trace with hash 76479935, now seen corresponding path program 1 times
[2024-12-02 12:46:19,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:46:19,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304380191]
[2024-12-02 12:46:19,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:46:19,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:46:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:46:20,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1452 backedges. 639 proven. 0 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked.
[2024-12-02 12:46:20,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:46:20,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304380191]
[2024-12-02 12:46:20,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304380191] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:46:20,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:46:20,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:46:20,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903822153]
[2024-12-02 12:46:20,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:46:20,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:46:20,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:46:20,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:46:20,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:46:20,032 INFO L87 Difference]: Start difference. First operand 71988 states and 85742 transitions. Second operand has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 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)
[2024-12-02 12:46:22,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:46:22,960 INFO L93 Difference]: Finished difference Result 157062 states and 186178 transitions.
[2024-12-02 12:46:22,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:46:22,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 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 1628
[2024-12-02 12:46:22,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:46:23,052 INFO L225 Difference]: With dead ends: 157062
[2024-12-02 12:46:23,053 INFO L226 Difference]: Without dead ends: 79350
[2024-12-02 12:46:23,093 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
[2024-12-02 12:46:23,093 INFO L435 NwaCegarLoop]: 1397 mSDtfsCounter, 783 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1975 mSolverCounterSat, 1006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 783 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 2981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 1975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-12-02 12:46:23,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [783 Valid, 1405 Invalid, 2981 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1006 Valid, 1975 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-12-02 12:46:23,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79350 states.
[2024-12-02 12:46:23,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79350 to 71170.
[2024-12-02 12:46:23,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71170 states, 71169 states have (on average 1.1301549832089814) internal successors, (80432), 71169 states have internal predecessors, (80432), 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)
[2024-12-02 12:46:23,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71170 states to 71170 states and 80432 transitions.
[2024-12-02 12:46:23,956 INFO L78 Accepts]: Start accepts. Automaton has 71170 states and 80432 transitions. Word has length 1628
[2024-12-02 12:46:23,956 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:46:23,956 INFO L471 AbstractCegarLoop]: Abstraction has 71170 states and 80432 transitions.
[2024-12-02 12:46:23,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 333.0) internal successors, (999), 3 states have internal predecessors, (999), 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)
[2024-12-02 12:46:23,956 INFO L276 IsEmpty]: Start isEmpty. Operand 71170 states and 80432 transitions.
[2024-12-02 12:46:24,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1662
[2024-12-02 12:46:24,054 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:46:24,054 INFO L218 NwaCegarLoop]: trace histogram [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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:46:24,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 12:46:24,054 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:46:24,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:46:24,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1110791438, now seen corresponding path program 1 times
[2024-12-02 12:46:24,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:46:24,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325653288]
[2024-12-02 12:46:24,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:46:24,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:46:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:46:25,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1524 backedges. 760 proven. 0 refuted. 0 times theorem prover too weak. 764 trivial. 0 not checked.
[2024-12-02 12:46:25,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:46:25,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325653288]
[2024-12-02 12:46:25,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325653288] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:46:25,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:46:25,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:46:25,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69214001]
[2024-12-02 12:46:25,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:46:25,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:46:25,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:46:25,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:46:25,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:46:25,037 INFO L87 Difference]: Start difference. First operand 71170 states and 80432 transitions. Second operand has 3 states, 3 states have (on average 324.3333333333333) internal successors, (973), 2 states have internal predecessors, (973), 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)
[2024-12-02 12:46:27,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:46:27,996 INFO L93 Difference]: Finished difference Result 170968 states and 194171 transitions.
[2024-12-02 12:46:27,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:46:27,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 324.3333333333333) internal successors, (973), 2 states have internal predecessors, (973), 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 1661
[2024-12-02 12:46:27,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:46:28,081 INFO L225 Difference]: With dead ends: 170968
[2024-12-02 12:46:28,081 INFO L226 Difference]: Without dead ends: 99800
[2024-12-02 12:46:28,118 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
[2024-12-02 12:46:28,118 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 850 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2165 mSolverCounterSat, 986 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 3151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 986 IncrementalHoareTripleChecker+Valid, 2165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-12-02 12:46:28,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [850 Valid, 310 Invalid, 3151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [986 Valid, 2165 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-12-02 12:46:28,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99800 states.
[2024-12-02 12:46:28,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99800 to 98164.
[2024-12-02 12:46:28,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98164 states, 98163 states have (on average 1.1104489471593166) internal successors, (109005), 98163 states have internal predecessors, (109005), 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)
[2024-12-02 12:46:28,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98164 states to 98164 states and 109005 transitions.
[2024-12-02 12:46:28,978 INFO L78 Accepts]: Start accepts. Automaton has 98164 states and 109005 transitions. Word has length 1661
[2024-12-02 12:46:28,978 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:46:28,978 INFO L471 AbstractCegarLoop]: Abstraction has 98164 states and 109005 transitions.
[2024-12-02 12:46:28,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 324.3333333333333) internal successors, (973), 2 states have internal predecessors, (973), 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)
[2024-12-02 12:46:28,978 INFO L276 IsEmpty]: Start isEmpty. Operand 98164 states and 109005 transitions.
[2024-12-02 12:46:29,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1733
[2024-12-02 12:46:29,038 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:46:29,039 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 6, 5, 5, 5, 5, 5, 5, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:46:29,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-02 12:46:29,039 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:46:29,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:46:29,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1029008379, now seen corresponding path program 1 times
[2024-12-02 12:46:29,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:46:29,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360671884]
[2024-12-02 12:46:29,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:46:29,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:46:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:46:30,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 663 proven. 0 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked.
[2024-12-02 12:46:30,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:46:30,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360671884]
[2024-12-02 12:46:30,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360671884] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:46:30,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:46:30,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:46:30,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314154496]
[2024-12-02 12:46:30,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:46:30,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:46:30,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:46:30,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:46:30,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:46:30,881 INFO L87 Difference]: Start difference. First operand 98164 states and 109005 transitions. Second operand has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 2 states have internal predecessors, (1018), 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)
[2024-12-02 12:46:33,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:46:33,873 INFO L93 Difference]: Finished difference Result 201234 states and 223889 transitions.
[2024-12-02 12:46:33,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:46:33,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 2 states have internal predecessors, (1018), 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 1732
[2024-12-02 12:46:33,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:46:33,960 INFO L225 Difference]: With dead ends: 201234
[2024-12-02 12:46:33,960 INFO L226 Difference]: Without dead ends: 103890
[2024-12-02 12:46:34,004 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
[2024-12-02 12:46:34,005 INFO L435 NwaCegarLoop]: 531 mSDtfsCounter, 624 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2193 mSolverCounterSat, 1005 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 624 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 3198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1005 IncrementalHoareTripleChecker+Valid, 2193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-12-02 12:46:34,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [624 Valid, 538 Invalid, 3198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1005 Valid, 2193 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-12-02 12:46:34,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103890 states.
[2024-12-02 12:46:34,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103890 to 103072.
[2024-12-02 12:46:34,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103072 states, 103071 states have (on average 1.108032327230744) internal successors, (114206), 103071 states have internal predecessors, (114206), 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)
[2024-12-02 12:46:34,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103072 states to 103072 states and 114206 transitions.
[2024-12-02 12:46:34,918 INFO L78 Accepts]: Start accepts. Automaton has 103072 states and 114206 transitions. Word has length 1732
[2024-12-02 12:46:34,918 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:46:34,918 INFO L471 AbstractCegarLoop]: Abstraction has 103072 states and 114206 transitions.
[2024-12-02 12:46:34,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 339.3333333333333) internal successors, (1018), 2 states have internal predecessors, (1018), 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)
[2024-12-02 12:46:34,919 INFO L276 IsEmpty]: Start isEmpty. Operand 103072 states and 114206 transitions.
[2024-12-02 12:46:34,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1855
[2024-12-02 12:46:34,982 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:46:34,983 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:46:34,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 12:46:34,983 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:46:34,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:46:34,984 INFO L85 PathProgramCache]: Analyzing trace with hash 644065998, now seen corresponding path program 1 times
[2024-12-02 12:46:34,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:46:34,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474661612]
[2024-12-02 12:46:34,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:46:34,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:46:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:46:36,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2482 backedges. 1535 proven. 0 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked.
[2024-12-02 12:46:36,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:46:36,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474661612]
[2024-12-02 12:46:36,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474661612] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:46:36,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:46:36,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:46:36,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741232164]
[2024-12-02 12:46:36,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:46:36,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:46:36,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:46:36,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:46:36,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:46:36,219 INFO L87 Difference]: Start difference. First operand 103072 states and 114206 transitions. Second operand has 3 states, 3 states have (on average 368.6666666666667) internal successors, (1106), 3 states have internal predecessors, (1106), 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)
[2024-12-02 12:46:39,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:46:39,025 INFO L93 Difference]: Finished difference Result 206142 states and 228410 transitions.
[2024-12-02 12:46:39,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:46:39,026 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 368.6666666666667) internal successors, (1106), 3 states have internal predecessors, (1106), 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 1854
[2024-12-02 12:46:39,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:46:39,110 INFO L225 Difference]: With dead ends: 206142
[2024-12-02 12:46:39,110 INFO L226 Difference]: Without dead ends: 103072
[2024-12-02 12:46:39,142 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
[2024-12-02 12:46:39,142 INFO L435 NwaCegarLoop]: 1182 mSDtfsCounter, 662 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 2907 mSolverCounterSat, 309 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 1191 SdHoareTripleChecker+Invalid, 3216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 309 IncrementalHoareTripleChecker+Valid, 2907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 12:46:39,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 1191 Invalid, 3216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [309 Valid, 2907 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 12:46:39,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103072 states.
[2024-12-02 12:46:39,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103072 to 98982.
[2024-12-02 12:46:40,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98982 states, 98981 states have (on average 1.0919671452096866) internal successors, (108084), 98981 states have internal predecessors, (108084), 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)
[2024-12-02 12:46:40,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98982 states to 98982 states and 108084 transitions.
[2024-12-02 12:46:40,146 INFO L78 Accepts]: Start accepts. Automaton has 98982 states and 108084 transitions. Word has length 1854
[2024-12-02 12:46:40,147 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:46:40,147 INFO L471 AbstractCegarLoop]: Abstraction has 98982 states and 108084 transitions.
[2024-12-02 12:46:40,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 368.6666666666667) internal successors, (1106), 3 states have internal predecessors, (1106), 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)
[2024-12-02 12:46:40,147 INFO L276 IsEmpty]: Start isEmpty. Operand 98982 states and 108084 transitions.
[2024-12-02 12:46:40,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2071
[2024-12-02 12:46:40,273 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:46:40,274 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1]
[2024-12-02 12:46:40,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-02 12:46:40,274 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:46:40,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:46:40,275 INFO L85 PathProgramCache]: Analyzing trace with hash -1419175614, now seen corresponding path program 1 times
[2024-12-02 12:46:40,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:46:40,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950726051]
[2024-12-02 12:46:40,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:46:40,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:46:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:46:41,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2602 backedges. 1567 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked.
[2024-12-02 12:46:41,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:46:41,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950726051]
[2024-12-02 12:46:41,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950726051] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:46:41,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:46:41,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:46:41,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887600295]
[2024-12-02 12:46:41,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:46:41,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:46:41,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:46:41,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:46:41,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:46:41,973 INFO L87 Difference]: Start difference. First operand 98982 states and 108084 transitions. Second operand has 3 states, 3 states have (on average 395.0) internal successors, (1185), 3 states have internal predecessors, (1185), 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)
[2024-12-02 12:46:44,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:46:44,756 INFO L93 Difference]: Finished difference Result 197962 states and 216166 transitions.
[2024-12-02 12:46:44,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:46:44,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 395.0) internal successors, (1185), 3 states have internal predecessors, (1185), 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 2070
[2024-12-02 12:46:44,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:46:44,849 INFO L225 Difference]: With dead ends: 197962
[2024-12-02 12:46:44,850 INFO L226 Difference]: Without dead ends: 99800
[2024-12-02 12:46:44,892 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
[2024-12-02 12:46:44,892 INFO L435 NwaCegarLoop]: 1297 mSDtfsCounter, 819 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 2076 mSolverCounterSat, 762 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 1306 SdHoareTripleChecker+Invalid, 2838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 762 IncrementalHoareTripleChecker+Valid, 2076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-12-02 12:46:44,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 1306 Invalid, 2838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [762 Valid, 2076 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-12-02 12:46:44,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99800 states.
[2024-12-02 12:46:45,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99800 to 97346.
[2024-12-02 12:46:45,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97346 states, 97345 states have (on average 1.0756381940520827) internal successors, (104708), 97345 states have internal predecessors, (104708), 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)
[2024-12-02 12:46:45,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97346 states to 97346 states and 104708 transitions.
[2024-12-02 12:46:45,703 INFO L78 Accepts]: Start accepts. Automaton has 97346 states and 104708 transitions. Word has length 2070
[2024-12-02 12:46:45,704 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:46:45,704 INFO L471 AbstractCegarLoop]: Abstraction has 97346 states and 104708 transitions.
[2024-12-02 12:46:45,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 395.0) internal successors, (1185), 3 states have internal predecessors, (1185), 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)
[2024-12-02 12:46:45,704 INFO L276 IsEmpty]: Start isEmpty. Operand 97346 states and 104708 transitions.
[2024-12-02 12:46:45,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2081
[2024-12-02 12:46:45,769 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:46:45,769 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1]
[2024-12-02 12:46:45,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-02 12:46:45,769 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:46:45,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:46:45,770 INFO L85 PathProgramCache]: Analyzing trace with hash -580335919, now seen corresponding path program 1 times
[2024-12-02 12:46:45,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:46:45,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938210786]
[2024-12-02 12:46:45,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:46:45,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:46:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:46:48,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2766 backedges. 1250 proven. 0 refuted. 0 times theorem prover too weak. 1516 trivial. 0 not checked.
[2024-12-02 12:46:48,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:46:48,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938210786]
[2024-12-02 12:46:48,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938210786] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:46:48,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:46:48,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:46:48,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555622088]
[2024-12-02 12:46:48,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:46:48,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:46:48,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:46:48,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:46:48,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:46:48,104 INFO L87 Difference]: Start difference. First operand 97346 states and 104708 transitions. Second operand has 3 states, 3 states have (on average 354.0) internal successors, (1062), 3 states have internal predecessors, (1062), 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)
[2024-12-02 12:46:50,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:46:50,899 INFO L93 Difference]: Finished difference Result 194690 states and 209414 transitions.
[2024-12-02 12:46:50,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:46:50,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 354.0) internal successors, (1062), 3 states have internal predecessors, (1062), 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 2080
[2024-12-02 12:46:50,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:46:50,976 INFO L225 Difference]: With dead ends: 194690
[2024-12-02 12:46:50,976 INFO L226 Difference]: Without dead ends: 97346
[2024-12-02 12:46:51,012 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
[2024-12-02 12:46:51,013 INFO L435 NwaCegarLoop]: 1474 mSDtfsCounter, 676 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 2814 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 1483 SdHoareTripleChecker+Invalid, 3048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 2814 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 12:46:51,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [676 Valid, 1483 Invalid, 3048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 2814 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 12:46:51,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97346 states.
[2024-12-02 12:46:51,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97346 to 95710.
[2024-12-02 12:46:51,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95710 states, 95709 states have (on average 1.0699620725323638) internal successors, (102405), 95709 states have internal predecessors, (102405), 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)
[2024-12-02 12:46:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95710 states to 95710 states and 102405 transitions.
[2024-12-02 12:46:51,823 INFO L78 Accepts]: Start accepts. Automaton has 95710 states and 102405 transitions. Word has length 2080
[2024-12-02 12:46:51,823 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:46:51,823 INFO L471 AbstractCegarLoop]: Abstraction has 95710 states and 102405 transitions.
[2024-12-02 12:46:51,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 354.0) internal successors, (1062), 3 states have internal predecessors, (1062), 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)
[2024-12-02 12:46:51,823 INFO L276 IsEmpty]: Start isEmpty. Operand 95710 states and 102405 transitions.
[2024-12-02 12:46:51,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2081
[2024-12-02 12:46:51,887 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:46:51,887 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1]
[2024-12-02 12:46:51,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-12-02 12:46:51,888 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:46:51,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:46:51,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1254112567, now seen corresponding path program 1 times
[2024-12-02 12:46:51,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:46:51,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527392447]
[2024-12-02 12:46:51,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:46:51,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:46:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:46:53,824 INFO L134 CoverageAnalysis]: Checked inductivity of 2836 backedges. 1651 proven. 0 refuted. 0 times theorem prover too weak. 1185 trivial. 0 not checked.
[2024-12-02 12:46:53,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:46:53,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527392447]
[2024-12-02 12:46:53,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527392447] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:46:53,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:46:53,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:46:53,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061015094]
[2024-12-02 12:46:53,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:46:53,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:46:53,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:46:53,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:46:53,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:46:53,827 INFO L87 Difference]: Start difference. First operand 95710 states and 102405 transitions. Second operand has 3 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 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)
[2024-12-02 12:46:56,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:46:56,439 INFO L93 Difference]: Finished difference Result 191418 states and 204808 transitions.
[2024-12-02 12:46:56,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:46:56,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 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 2080
[2024-12-02 12:46:56,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:46:56,584 INFO L225 Difference]: With dead ends: 191418
[2024-12-02 12:46:56,584 INFO L226 Difference]: Without dead ends: 96528
[2024-12-02 12:46:56,605 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
[2024-12-02 12:46:56,606 INFO L435 NwaCegarLoop]: 1460 mSDtfsCounter, 742 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 2011 mSolverCounterSat, 585 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 742 SdHoareTripleChecker+Valid, 1469 SdHoareTripleChecker+Invalid, 2596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 585 IncrementalHoareTripleChecker+Valid, 2011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-12-02 12:46:56,606 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [742 Valid, 1469 Invalid, 2596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [585 Valid, 2011 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-12-02 12:46:56,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96528 states.
[2024-12-02 12:46:57,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96528 to 95710.
[2024-12-02 12:46:57,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95710 states, 95709 states have (on average 1.0684888568473185) internal successors, (102264), 95709 states have internal predecessors, (102264), 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)
[2024-12-02 12:46:57,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95710 states to 95710 states and 102264 transitions.
[2024-12-02 12:46:57,318 INFO L78 Accepts]: Start accepts. Automaton has 95710 states and 102264 transitions. Word has length 2080
[2024-12-02 12:46:57,319 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:46:57,319 INFO L471 AbstractCegarLoop]: Abstraction has 95710 states and 102264 transitions.
[2024-12-02 12:46:57,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 383.3333333333333) internal successors, (1150), 3 states have internal predecessors, (1150), 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)
[2024-12-02 12:46:57,319 INFO L276 IsEmpty]: Start isEmpty. Operand 95710 states and 102264 transitions.
[2024-12-02 12:46:57,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2144
[2024-12-02 12:46:57,492 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:46:57,493 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1]
[2024-12-02 12:46:57,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-12-02 12:46:57,494 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:46:57,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:46:57,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1192603692, now seen corresponding path program 1 times
[2024-12-02 12:46:57,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:46:57,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638811908]
[2024-12-02 12:46:57,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:46:57,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:46:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:46:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 3025 backedges. 1888 proven. 0 refuted. 0 times theorem prover too weak. 1137 trivial. 0 not checked.
[2024-12-02 12:46:58,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:46:58,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638811908]
[2024-12-02 12:46:58,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638811908] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:46:58,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:46:58,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:46:58,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140211876]
[2024-12-02 12:46:58,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:46:58,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:46:58,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:46:58,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:46:58,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:46:58,751 INFO L87 Difference]: Start difference. First operand 95710 states and 102264 transitions. Second operand has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 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)
[2024-12-02 12:47:01,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:47:01,673 INFO L93 Difference]: Finished difference Result 207778 states and 222219 transitions.
[2024-12-02 12:47:01,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:47:01,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 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 2143
[2024-12-02 12:47:01,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:47:01,763 INFO L225 Difference]: With dead ends: 207778
[2024-12-02 12:47:01,763 INFO L226 Difference]: Without dead ends: 112888
[2024-12-02 12:47:01,802 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
[2024-12-02 12:47:01,802 INFO L435 NwaCegarLoop]: 1440 mSDtfsCounter, 647 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2624 mSolverCounterSat, 489 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 1448 SdHoareTripleChecker+Invalid, 3113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 489 IncrementalHoareTripleChecker+Valid, 2624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-12-02 12:47:01,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 1448 Invalid, 3113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [489 Valid, 2624 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-12-02 12:47:01,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112888 states.
[2024-12-02 12:47:02,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112888 to 110434.
[2024-12-02 12:47:02,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110434 states, 110433 states have (on average 1.0571477728577507) internal successors, (116744), 110433 states have internal predecessors, (116744), 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)
[2024-12-02 12:47:02,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110434 states to 110434 states and 116744 transitions.
[2024-12-02 12:47:02,789 INFO L78 Accepts]: Start accepts. Automaton has 110434 states and 116744 transitions. Word has length 2143
[2024-12-02 12:47:02,789 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:47:02,789 INFO L471 AbstractCegarLoop]: Abstraction has 110434 states and 116744 transitions.
[2024-12-02 12:47:02,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 404.3333333333333) internal successors, (1213), 3 states have internal predecessors, (1213), 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)
[2024-12-02 12:47:02,790 INFO L276 IsEmpty]: Start isEmpty. Operand 110434 states and 116744 transitions.
[2024-12-02 12:47:02,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2630
[2024-12-02 12:47:02,904 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:47:02,905 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 12:47:02,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-12-02 12:47:02,905 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:47:02,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:47:02,907 INFO L85 PathProgramCache]: Analyzing trace with hash 132453054, now seen corresponding path program 1 times
[2024-12-02 12:47:02,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:47:02,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432871456]
[2024-12-02 12:47:02,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:47:02,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:47:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:47:04,989 INFO L134 CoverageAnalysis]: Checked inductivity of 4368 backedges. 1849 proven. 0 refuted. 0 times theorem prover too weak. 2519 trivial. 0 not checked.
[2024-12-02 12:47:04,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:47:04,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432871456]
[2024-12-02 12:47:04,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432871456] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:47:04,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:47:04,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:47:04,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020444896]
[2024-12-02 12:47:04,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:47:04,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:47:04,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:47:04,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:47:04,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:47:04,992 INFO L87 Difference]: Start difference. First operand 110434 states and 116744 transitions. Second operand has 3 states, 3 states have (on average 354.0) internal successors, (1062), 3 states have internal predecessors, (1062), 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)
[2024-12-02 12:47:08,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:47:08,063 INFO L93 Difference]: Finished difference Result 220048 states and 232662 transitions.
[2024-12-02 12:47:08,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:47:08,064 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 354.0) internal successors, (1062), 3 states have internal predecessors, (1062), 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 2629
[2024-12-02 12:47:08,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:47:08,171 INFO L225 Difference]: With dead ends: 220048
[2024-12-02 12:47:08,171 INFO L226 Difference]: Without dead ends: 110434
[2024-12-02 12:47:08,224 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
[2024-12-02 12:47:08,224 INFO L435 NwaCegarLoop]: 1285 mSDtfsCounter, 728 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 2579 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 728 SdHoareTripleChecker+Valid, 1294 SdHoareTripleChecker+Invalid, 2878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 2579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 12:47:08,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [728 Valid, 1294 Invalid, 2878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 2579 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 12:47:08,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110434 states.
[2024-12-02 12:47:09,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110434 to 110434.
[2024-12-02 12:47:09,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110434 states, 110433 states have (on average 1.0417176025282298) internal successors, (115040), 110433 states have internal predecessors, (115040), 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)
[2024-12-02 12:47:09,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110434 states to 110434 states and 115040 transitions.
[2024-12-02 12:47:09,606 INFO L78 Accepts]: Start accepts. Automaton has 110434 states and 115040 transitions. Word has length 2629
[2024-12-02 12:47:09,606 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:47:09,606 INFO L471 AbstractCegarLoop]: Abstraction has 110434 states and 115040 transitions.
[2024-12-02 12:47:09,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 354.0) internal successors, (1062), 3 states have internal predecessors, (1062), 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)
[2024-12-02 12:47:09,606 INFO L276 IsEmpty]: Start isEmpty. Operand 110434 states and 115040 transitions.
[2024-12-02 12:47:09,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2667
[2024-12-02 12:47:09,688 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:47:09,689 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 12:47:09,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-12-02 12:47:09,689 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:47:09,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:47:09,690 INFO L85 PathProgramCache]: Analyzing trace with hash -2119748850, now seen corresponding path program 1 times
[2024-12-02 12:47:09,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:47:09,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174672632]
[2024-12-02 12:47:09,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:47:09,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:47:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:47:12,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4001 backedges. 2178 proven. 0 refuted. 0 times theorem prover too weak. 1823 trivial. 0 not checked.
[2024-12-02 12:47:12,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:47:12,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174672632]
[2024-12-02 12:47:12,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174672632] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:47:12,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:47:12,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:47:12,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974981927]
[2024-12-02 12:47:12,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:47:12,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:47:12,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:47:12,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:47:12,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:47:12,422 INFO L87 Difference]: Start difference. First operand 110434 states and 115040 transitions. Second operand has 3 states, 3 states have (on average 466.0) internal successors, (1398), 3 states have internal predecessors, (1398), 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)
[2024-12-02 12:47:15,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:47:15,540 INFO L93 Difference]: Finished difference Result 222502 states and 231797 transitions.
[2024-12-02 12:47:15,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:47:15,541 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 466.0) internal successors, (1398), 3 states have internal predecessors, (1398), 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 2666
[2024-12-02 12:47:15,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:47:15,649 INFO L225 Difference]: With dead ends: 222502
[2024-12-02 12:47:15,649 INFO L226 Difference]: Without dead ends: 112070
[2024-12-02 12:47:15,701 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
[2024-12-02 12:47:15,702 INFO L435 NwaCegarLoop]: 1419 mSDtfsCounter, 497 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2711 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 1427 SdHoareTripleChecker+Invalid, 2902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 2711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-12-02 12:47:15,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 1427 Invalid, 2902 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 2711 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-12-02 12:47:15,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112070 states.
[2024-12-02 12:47:16,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112070 to 111252.
[2024-12-02 12:47:16,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111252 states, 111251 states have (on average 1.0387412247979793) internal successors, (115561), 111251 states have internal predecessors, (115561), 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)
[2024-12-02 12:47:16,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111252 states to 111252 states and 115561 transitions.
[2024-12-02 12:47:16,929 INFO L78 Accepts]: Start accepts. Automaton has 111252 states and 115561 transitions. Word has length 2666
[2024-12-02 12:47:16,930 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:47:16,930 INFO L471 AbstractCegarLoop]: Abstraction has 111252 states and 115561 transitions.
[2024-12-02 12:47:16,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 466.0) internal successors, (1398), 3 states have internal predecessors, (1398), 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)
[2024-12-02 12:47:16,930 INFO L276 IsEmpty]: Start isEmpty. Operand 111252 states and 115561 transitions.
[2024-12-02 12:47:17,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2678
[2024-12-02 12:47:17,009 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:47:17,010 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 12:47:17,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-12-02 12:47:17,010 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:47:17,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:47:17,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1133501262, now seen corresponding path program 1 times
[2024-12-02 12:47:17,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:47:17,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215182296]
[2024-12-02 12:47:17,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:47:17,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:47:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:47:19,265 INFO L134 CoverageAnalysis]: Checked inductivity of 4259 backedges. 2271 proven. 0 refuted. 0 times theorem prover too weak. 1988 trivial. 0 not checked.
[2024-12-02 12:47:19,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:47:19,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215182296]
[2024-12-02 12:47:19,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215182296] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:47:19,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:47:19,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:47:19,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493143617]
[2024-12-02 12:47:19,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:47:19,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:47:19,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:47:19,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:47:19,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:47:19,268 INFO L87 Difference]: Start difference. First operand 111252 states and 115561 transitions. Second operand has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 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)
[2024-12-02 12:47:22,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:47:22,020 INFO L93 Difference]: Finished difference Result 224138 states and 232834 transitions.
[2024-12-02 12:47:22,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:47:22,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 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 2677
[2024-12-02 12:47:22,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:47:22,110 INFO L225 Difference]: With dead ends: 224138
[2024-12-02 12:47:22,111 INFO L226 Difference]: Without dead ends: 113706
[2024-12-02 12:47:22,153 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
[2024-12-02 12:47:22,153 INFO L435 NwaCegarLoop]: 1317 mSDtfsCounter, 679 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2255 mSolverCounterSat, 668 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 679 SdHoareTripleChecker+Valid, 1325 SdHoareTripleChecker+Invalid, 2923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 668 IncrementalHoareTripleChecker+Valid, 2255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-12-02 12:47:22,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [679 Valid, 1325 Invalid, 2923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [668 Valid, 2255 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-12-02 12:47:22,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113706 states.
[2024-12-02 12:47:23,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113706 to 111252.
[2024-12-02 12:47:23,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111252 states, 111251 states have (on average 1.038633360599006) internal successors, (115549), 111251 states have internal predecessors, (115549), 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)
[2024-12-02 12:47:23,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111252 states to 111252 states and 115549 transitions.
[2024-12-02 12:47:23,409 INFO L78 Accepts]: Start accepts. Automaton has 111252 states and 115549 transitions. Word has length 2677
[2024-12-02 12:47:23,410 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:47:23,410 INFO L471 AbstractCegarLoop]: Abstraction has 111252 states and 115549 transitions.
[2024-12-02 12:47:23,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.6666666666667) internal successors, (1265), 3 states have internal predecessors, (1265), 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)
[2024-12-02 12:47:23,410 INFO L276 IsEmpty]: Start isEmpty. Operand 111252 states and 115549 transitions.
[2024-12-02 12:47:23,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2748
[2024-12-02 12:47:23,494 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:47:23,495 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 12:47:23,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-12-02 12:47:23,495 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:47:23,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:47:23,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1107902278, now seen corresponding path program 1 times
[2024-12-02 12:47:23,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:47:23,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865646948]
[2024-12-02 12:47:23,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:47:23,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:47:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:47:27,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4676 backedges. 2353 proven. 0 refuted. 0 times theorem prover too weak. 2323 trivial. 0 not checked.
[2024-12-02 12:47:27,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:47:27,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865646948]
[2024-12-02 12:47:27,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865646948] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:47:27,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:47:27,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 12:47:27,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080353773]
[2024-12-02 12:47:27,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:47:27,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 12:47:27,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:47:27,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 12:47:27,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:47:27,626 INFO L87 Difference]: Start difference. First operand 111252 states and 115549 transitions. Second operand has 5 states, 5 states have (on average 250.2) internal successors, (1251), 4 states have internal predecessors, (1251), 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)
[2024-12-02 12:47:32,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:47:32,404 INFO L93 Difference]: Finished difference Result 222502 states and 231102 transitions.
[2024-12-02 12:47:32,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 12:47:32,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 250.2) internal successors, (1251), 4 states have internal predecessors, (1251), 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 2747
[2024-12-02 12:47:32,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:47:32,497 INFO L225 Difference]: With dead ends: 222502
[2024-12-02 12:47:32,497 INFO L226 Difference]: Without dead ends: 112070
[2024-12-02 12:47:32,544 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-12-02 12:47:32,545 INFO L435 NwaCegarLoop]: 464 mSDtfsCounter, 1574 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 6200 mSolverCounterSat, 588 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1574 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 6788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 588 IncrementalHoareTripleChecker+Valid, 6200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time
[2024-12-02 12:47:32,545 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 819 Invalid, 6788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [588 Valid, 6200 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time]
[2024-12-02 12:47:32,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112070 states.
[2024-12-02 12:47:33,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112070 to 112070.
[2024-12-02 12:47:33,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112070 states, 112069 states have (on average 1.0384049112600273) internal successors, (116373), 112069 states have internal predecessors, (116373), 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)
[2024-12-02 12:47:33,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112070 states to 112070 states and 116373 transitions.
[2024-12-02 12:47:33,582 INFO L78 Accepts]: Start accepts. Automaton has 112070 states and 116373 transitions. Word has length 2747
[2024-12-02 12:47:33,583 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:47:33,583 INFO L471 AbstractCegarLoop]: Abstraction has 112070 states and 116373 transitions.
[2024-12-02 12:47:33,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 250.2) internal successors, (1251), 4 states have internal predecessors, (1251), 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)
[2024-12-02 12:47:33,583 INFO L276 IsEmpty]: Start isEmpty. Operand 112070 states and 116373 transitions.
[2024-12-02 12:47:33,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2784
[2024-12-02 12:47:33,869 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:47:33,870 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 12:47:33,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-12-02 12:47:33,870 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:47:33,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:47:33,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1059770291, now seen corresponding path program 1 times
[2024-12-02 12:47:33,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:47:33,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396531780]
[2024-12-02 12:47:33,872 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:47:33,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:47:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:47:35,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4352 backedges. 2529 proven. 0 refuted. 0 times theorem prover too weak. 1823 trivial. 0 not checked.
[2024-12-02 12:47:35,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:47:35,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396531780]
[2024-12-02 12:47:35,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396531780] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:47:35,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:47:35,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:47:35,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621719386]
[2024-12-02 12:47:35,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:47:35,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:47:35,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:47:35,590 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:47:35,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:47:35,590 INFO L87 Difference]: Start difference. First operand 112070 states and 116373 transitions. Second operand has 3 states, 3 states have (on average 505.0) internal successors, (1515), 3 states have internal predecessors, (1515), 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)
[2024-12-02 12:47:38,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:47:38,429 INFO L93 Difference]: Finished difference Result 224138 states and 232744 transitions.
[2024-12-02 12:47:38,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:47:38,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 505.0) internal successors, (1515), 3 states have internal predecessors, (1515), 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 2783
[2024-12-02 12:47:38,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:47:38,533 INFO L225 Difference]: With dead ends: 224138
[2024-12-02 12:47:38,533 INFO L226 Difference]: Without dead ends: 112888
[2024-12-02 12:47:38,583 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
[2024-12-02 12:47:38,587 INFO L435 NwaCegarLoop]: 235 mSDtfsCounter, 600 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2227 mSolverCounterSat, 644 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 2871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 644 IncrementalHoareTripleChecker+Valid, 2227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time
[2024-12-02 12:47:38,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [600 Valid, 243 Invalid, 2871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [644 Valid, 2227 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time]
[2024-12-02 12:47:38,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112888 states.
[2024-12-02 12:47:39,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112888 to 111252.
[2024-12-02 12:47:39,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111252 states, 111251 states have (on average 1.0312087082363304) internal successors, (114723), 111251 states have internal predecessors, (114723), 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)
[2024-12-02 12:47:39,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111252 states to 111252 states and 114723 transitions.
[2024-12-02 12:47:39,660 INFO L78 Accepts]: Start accepts. Automaton has 111252 states and 114723 transitions. Word has length 2783
[2024-12-02 12:47:39,661 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:47:39,661 INFO L471 AbstractCegarLoop]: Abstraction has 111252 states and 114723 transitions.
[2024-12-02 12:47:39,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 505.0) internal successors, (1515), 3 states have internal predecessors, (1515), 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)
[2024-12-02 12:47:39,661 INFO L276 IsEmpty]: Start isEmpty. Operand 111252 states and 114723 transitions.
[2024-12-02 12:47:39,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2813
[2024-12-02 12:47:39,868 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:47:39,869 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-02 12:47:39,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-12-02 12:47:39,869 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:47:39,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:47:39,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1814900709, now seen corresponding path program 1 times
[2024-12-02 12:47:39,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:47:39,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103310519]
[2024-12-02 12:47:39,870 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:47:39,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:47:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:47:43,759 INFO L134 CoverageAnalysis]: Checked inductivity of 4752 backedges. 2111 proven. 1262 refuted. 0 times theorem prover too weak. 1379 trivial. 0 not checked.
[2024-12-02 12:47:43,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:47:43,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103310519]
[2024-12-02 12:47:43,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103310519] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:47:43,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991154682]
[2024-12-02 12:47:43,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:47:43,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:47:43,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:47:43,761 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:47:43,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 12:47:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:47:44,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 3142 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 12:47:44,647 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:47:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4752 backedges. 2648 proven. 0 refuted. 0 times theorem prover too weak. 2104 trivial. 0 not checked.
[2024-12-02 12:47:46,537 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 12:47:46,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991154682] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:47:46,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 12:47:46,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5
[2024-12-02 12:47:46,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607681029]
[2024-12-02 12:47:46,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:47:46,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:47:46,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:47:46,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:47:46,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:47:46,543 INFO L87 Difference]: Start difference. First operand 111252 states and 114723 transitions. Second operand has 3 states, 3 states have (on average 449.0) internal successors, (1347), 3 states have internal predecessors, (1347), 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)
[2024-12-02 12:47:49,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:47:49,485 INFO L93 Difference]: Finished difference Result 221682 states and 228619 transitions.
[2024-12-02 12:47:49,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:47:49,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 449.0) internal successors, (1347), 3 states have internal predecessors, (1347), 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 2812
[2024-12-02 12:47:49,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:47:49,489 INFO L225 Difference]: With dead ends: 221682
[2024-12-02 12:47:49,489 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 12:47:49,537 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2816 GetRequests, 2813 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:47:49,538 INFO L435 NwaCegarLoop]: 1121 mSDtfsCounter, 164 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2660 mSolverCounterSat, 266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 2926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 266 IncrementalHoareTripleChecker+Valid, 2660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-12-02 12:47:49,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 1129 Invalid, 2926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [266 Valid, 2660 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-12-02 12:47:49,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 12:47:49,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 12:47:49,538 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)
[2024-12-02 12:47:49,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 12:47:49,540 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2812
[2024-12-02 12:47:49,541 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:47:49,541 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 12:47:49,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 449.0) internal successors, (1347), 3 states have internal predecessors, (1347), 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)
[2024-12-02 12:47:49,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 12:47:49,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 12:47:49,546 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 12:47:49,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 12:47:49,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:47:49,754 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:47:49,757 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 12:47:57,674 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 12:47:57,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:47:57 BoogieIcfgContainer
[2024-12-02 12:47:57,725 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 12:47:57,726 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 12:47:57,726 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 12:47:57,727 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 12:47:57,728 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:45:40" (3/4) ...
[2024-12-02 12:47:57,732 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 12:47:57,785 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2024-12-02 12:47:57,789 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 12:47:57,793 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 12:47:57,797 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 12:47:58,088 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 12:47:58,088 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 12:47:58,088 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 12:47:58,089 INFO L158 Benchmark]: Toolchain (without parser) took 143705.27ms. Allocated memory was 117.4MB in the beginning and 7.0GB in the end (delta: 6.9GB). Free memory was 76.3MB in the beginning and 3.4GB in the end (delta: -3.3GB). Peak memory consumption was 3.6GB. Max. memory is 16.1GB.
[2024-12-02 12:47:58,089 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:47:58,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1431.80ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 76.0MB in the beginning and 114.0MB in the end (delta: -38.0MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB.
[2024-12-02 12:47:58,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 207.91ms. Allocated memory is still 209.7MB. Free memory was 114.0MB in the beginning and 76.1MB in the end (delta: 37.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-12-02 12:47:58,090 INFO L158 Benchmark]: Boogie Preprocessor took 276.84ms. Allocated memory is still 209.7MB. Free memory was 76.1MB in the beginning and 116.9MB in the end (delta: -40.8MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB.
[2024-12-02 12:47:58,090 INFO L158 Benchmark]: RCFGBuilder took 4171.38ms. Allocated memory was 209.7MB in the beginning and 444.6MB in the end (delta: 234.9MB). Free memory was 116.9MB in the beginning and 238.7MB in the end (delta: -121.8MB). Peak memory consumption was 269.6MB. Max. memory is 16.1GB.
[2024-12-02 12:47:58,091 INFO L158 Benchmark]: TraceAbstraction took 137248.71ms. Allocated memory was 444.6MB in the beginning and 7.0GB in the end (delta: 6.6GB). Free memory was 238.7MB in the beginning and 3.5GB in the end (delta: -3.2GB). Peak memory consumption was 5.6GB. Max. memory is 16.1GB.
[2024-12-02 12:47:58,091 INFO L158 Benchmark]: Witness Printer took 361.90ms. Allocated memory is still 7.0GB. Free memory was 3.5GB in the beginning and 3.4GB in the end (delta: 67.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB.
[2024-12-02 12:47:58,093 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1431.80ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 76.0MB in the beginning and 114.0MB in the end (delta: -38.0MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 207.91ms. Allocated memory is still 209.7MB. Free memory was 114.0MB in the beginning and 76.1MB in the end (delta: 37.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 276.84ms. Allocated memory is still 209.7MB. Free memory was 76.1MB in the beginning and 116.9MB in the end (delta: -40.8MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB.
* RCFGBuilder took 4171.38ms. Allocated memory was 209.7MB in the beginning and 444.6MB in the end (delta: 234.9MB). Free memory was 116.9MB in the beginning and 238.7MB in the end (delta: -121.8MB). Peak memory consumption was 269.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 137248.71ms. Allocated memory was 444.6MB in the beginning and 7.0GB in the end (delta: 6.6GB). Free memory was 238.7MB in the beginning and 3.5GB in the end (delta: -3.2GB). Peak memory consumption was 5.6GB. Max. memory is 16.1GB.
* Witness Printer took 361.90ms. Allocated memory is still 7.0GB. Free memory was 3.5GB in the beginning and 3.4GB in the end (delta: 67.1MB). Peak memory consumption was 67.1MB. 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: 4725]: 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, 885 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 129.2s, OverallIterations: 23, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.9s, AutomataDifference: 71.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16849 SdHoareTripleChecker+Valid, 60.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16849 mSDsluCounter, 19164 SdHoareTripleChecker+Invalid, 50.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 542 mSDsCounter, 13987 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63498 IncrementalHoareTripleChecker+Invalid, 77485 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13987 mSolverCounterUnsat, 18622 mSDtfsCounter, 63498 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2875 GetRequests, 2846 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112070occurred in iteration=21, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 15.5s AutomataMinimizationTime, 23 MinimizatonAttempts, 39264 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 33.8s InterpolantComputationTime, 43686 NumberOfCodeBlocks, 43686 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 43662 ConstructedInterpolants, 0 QuantifiedInterpolants, 76112 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3142 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 24 InterpolantComputations, 23 PerfectInterpolantSequences, 51402/52664 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: 4826]: Loop Invariant
Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((a25 == 1) && (a14 == 18)) && (a3 == 1)) && (a1 == 1)) && (a7 == 1)) && (a28 <= 15)) && (a4 == 18)) || (((((19 <= a14) && (a3 <= 0)) && (18 <= a26)) && (a7 == 1)) && (a4 == 17))) || ((((((((a25 == 1) && (a14 == 18)) && (a3 == 1)) && (18 <= a26)) && (a1 == 1)) && (a7 == 1)) && (a28 <= 15)) && (a4 == 17))) || ((((((((a25 == 1) && (a14 == 18)) && (a3 == 1)) && (18 <= a26)) && (a28 <= 16)) && (a1 == 1)) && (a7 == 1)) && (a4 == 18))) || (((((a3 <= 0) && (a14 == 18)) && (a4 <= 16)) && (18 <= a26)) && (a7 == 1))) || (((((19 <= a14) && (a26 <= 17)) && (a4 <= 16)) && (a7 == 0)) && (a3 == 1))) || (((((a3 <= 0) && (a14 == 18)) && (a7 == 0)) && (17 <= a28)) && (a4 == 18))) || ((((((((a25 == 1) && (19 <= a14)) && (a26 <= 17)) && (a7 == 0)) && (a3 == 1)) && (a1 == 1)) && (a28 == 16)) && (a4 == 17))) || ((((((((a4 <= 17) && (a25 == 1)) && (a26 <= 17)) && (a14 == 18)) && (a7 == 0)) && (a3 == 1)) && (a1 == 1)) && (a28 == 16))) || (((((19 <= a14) && (a3 <= 0)) && (a7 == 0)) && (a28 == 16)) && (a4 == 17))) || ((((((((a4 <= 17) && (a25 == 1)) && (a14 == 18)) && (a7 == 0)) && (a3 == 1)) && (18 <= a26)) && (a1 == 1)) && (a28 <= 15))) || ((((((a25 == 1) && (19 == a14)) && (a3 == 1)) && (a1 == 1)) && (a7 == 1)) && (a4 == 18))) || ((((((a3 <= 0) && (a14 == 18)) && (18 <= a26)) && (a7 == 1)) && (a28 <= 15)) && (a4 == 17))) || (((((a3 <= 0) && (a14 == 18)) && (18 <= a26)) && (a7 == 1)) && (a4 == 18))) || (((((((a25 == 1) && (19 <= a14)) && (a3 == 1)) && (a28 <= 16)) && (a1 == 1)) && (a7 == 1)) && (a4 == 18))) || ((((((((a4 <= 17) && (a25 == 1)) && (19 <= a14)) && (a26 <= 17)) && (a7 == 0)) && (a3 == 1)) && (a1 == 1)) && (a28 <= 15))) || (((((((a25 == 1) && (19 <= a14)) && (a7 == 0)) && (a3 == 1)) && (17 <= a28)) && (a1 == 1)) && (a4 == 18))) || (((((a3 <= 0) && (a14 == 18)) && (a4 <= 16)) && (a7 == 0)) && (17 <= a28))) || ((((((a26 == 18) && (a3 <= 0)) && (a14 == 18)) && (a7 == 0)) && (a28 <= 15)) && (a4 == 18))) || (((((((a25 == 1) && (19 <= a14)) && (a7 == 0)) && (a3 == 1)) && (a1 == 1)) && (a28 <= 15)) && (a4 == 18))) || ((((((a26 <= 17) && (a3 <= 0)) && (a14 == 18)) && (a4 <= 16)) && (a7 == 0)) && (a28 <= 15))) || ((((((19 <= a14) && (a26 <= 17)) && (a3 <= 0)) && (a4 <= 16)) && (a7 == 0)) && (a28 == 16))) || ((((((((a25 == 1) && (19 <= a14)) && (a26 <= 17)) && (a3 == 1)) && (17 <= a28)) && (a1 == 1)) && (a7 == 1)) && (a4 == 17))) || ((((((a3 <= 0) && (a14 == 18)) && (17 <= a28)) && (18 <= a26)) && (a7 == 1)) && (a4 == 17))) || ((((((a26 == 18) && (a3 <= 0)) && (a14 == 18)) && (a4 <= 16)) && (a7 == 0)) && (a28 == 16))) || (((((19 <= a14) && (a3 <= 0)) && (a4 <= 16)) && (a7 == 1)) && (a28 <= 15))) || ((((19 == a14) && (a3 <= 0)) && (a7 == 0)) && (a4 == 17))) || ((((((((a25 == 1) && (a26 <= 17)) && (a14 == 18)) && (a3 == 1)) && (17 <= a28)) && (a1 == 1)) && (a7 == 1)) && (a4 == 18))) || ((((((a25 == 1) && (19 == a14)) && (a7 == 0)) && (a3 == 1)) && (a1 == 1)) && (a4 == 18))) || (((((a3 <= 0) && (a14 == 18)) && (a7 == 1)) && (a28 == 16)) && (a4 == 18))) || (((((a3 <= 0) && (a14 == 18)) && (a7 == 0)) && (a28 <= 15)) && (a4 == 17))) || ((((((a14 <= 19) && (a4 <= 16)) || ((a4 <= 16) && (18 <= a26))) && (a25 == 1)) && (a3 == 1)) && (a1 == 1))) || ((((((a26 <= 17) && (a3 <= 0)) && (a14 == 18)) && (a7 == 0)) && (a28 <= 15)) && (a4 == 18))) || (((((a26 == 18) && (a3 <= 0)) && (a14 == 18)) && (a7 == 1)) && (a4 == 17))) || (((((19 == a14) && (a3 <= 0)) && (a7 == 1)) && (a28 <= 15)) && (a4 == 18))) || ((((((19 <= a14) && (a3 <= 0)) && (a7 == 0)) && (18 <= a26)) && (a28 <= 16)) && (a4 == 18))) || ((((((((a4 <= 17) && (a25 == 1)) && (a14 == 18)) && (a3 == 1)) && (17 <= a28)) && (18 <= a26)) && (a1 == 1)) && (a7 == 1))) || ((((((a3 <= 0) && (a14 == 18)) && (a7 == 0)) && (17 <= a28)) && (18 <= a26)) && (a4 == 17))) || ((((((a25 == 1) && (a14 == 18)) && (a7 == 0)) && (a3 == 1)) && (a1 == 1)) && (a4 == 18))) || (((((19 <= a14) && (a3 <= 0)) && (a7 == 0)) && (a28 <= 15)) && (a4 == 17))) || (((((19 <= a14) && (a3 <= 0)) && (a7 == 1)) && (a28 == 16)) && (a4 == 17))) || ((((((((a4 <= 17) && (a26 == 18)) && (a25 == 1)) && (19 <= a14)) && (a7 == 0)) && (a3 == 1)) && (a1 == 1)) && (a28 == 16))) || (((((a26 == 18) && (a3 <= 0)) && (a14 == 18)) && (a7 == 0)) && (a4 == 17))) || (((((a3 <= 0) && (a14 == 18)) && (a4 <= 16)) && (17 <= a28)) && (a7 == 1))) || (((((19 <= a14) && (a3 <= 0)) && (a4 <= 16)) && (a7 == 0)) && (a28 <= 15))) || (((((19 <= a14) && (a4 <= 16)) && (a3 == 1)) && (18 <= a26)) && (a7 == 1))) || (((((((a25 == 1) && (19 == a14)) && (a3 == 1)) && (17 <= a28)) && (a1 == 1)) && (a7 == 1)) && (a4 == 17))) || (((((((a25 == 1) && (19 <= a14)) && (a26 <= 17)) && (a7 == 0)) && (a3 == 1)) && (a1 == 1)) && (a4 == 18))) || ((((((((a4 <= 17) && (a25 == 1)) && (a26 <= 17)) && (a14 == 18)) && (a3 == 1)) && (a1 == 1)) && (a7 == 1)) && (a28 == 16))) || ((((((((a4 <= 17) && (a26 == 18)) && (a25 == 1)) && (19 <= a14)) && (a7 == 0)) && (a3 == 1)) && (17 <= a28)) && (a1 == 1))) || (((((((a4 <= 17) && (a26 == 18)) && (a25 == 1)) && (a14 == 18)) && (a7 == 0)) && (a3 == 1)) && (a1 == 1))) || ((((((((a4 <= 17) && (a26 == 18)) && (a25 == 1)) && (19 <= a14)) && (a3 == 1)) && (17 <= a28)) && (a1 == 1)) && (a7 == 1))) || (((((((a4 <= 17) && (a25 == 1)) && (19 <= a14)) && (a3 == 1)) && (a1 == 1)) && (a7 == 1)) && (a28 <= 15))) || (((((19 <= a14) && (a3 <= 0)) && (a4 <= 16)) && (17 <= a28)) && (a7 == 1))) || (((((19 == a14) && (a26 <= 17)) && (a3 <= 0)) && (a4 <= 16)) && (a7 == 0))) || ((((a26 == 18) && (a4 <= 16)) && (a3 == 1)) && (16 <= a28))) || ((((((19 <= a14) && (a3 <= 0)) && (18 <= a26)) && (a28 <= 16)) && (a7 == 1)) && (a4 == 18))) || (((((19 <= a14) && (a3 <= 0)) && (a7 == 0)) && (a28 <= 15)) && (a4 == 18))) || (((((a26 == 18) && (19 <= a14)) && (a3 <= 0)) && (a4 <= 16)) && (a7 == 1))) || (((((a26 == 18) && (19 == a14)) && (a3 <= 0)) && (a7 == 1)) && (a4 == 18))) || ((((((((a4 <= 17) && (a25 == 1)) && (19 == a14)) && (a7 == 0)) && (a3 == 1)) && (17 <= a28)) && (18 <= a26)) && (a1 == 1))) || (((((19 <= a14) && (a3 <= 0)) && (a7 == 1)) && (a28 == 16)) && (a4 == 18))) || (((((19 == a14) && (a3 <= 0)) && (a4 <= 16)) && (18 <= a26)) && (a7 == 1))) || ((((((a26 == 18) && (19 <= a14)) && (a3 <= 0)) && (a4 <= 16)) && (a7 == 0)) && (17 <= a28))) || (((((19 <= a14) && (a26 <= 17)) && (a3 <= 0)) && (a7 == 0)) && (a4 == 17))) || (((((19 <= a14) && (a26 <= 17)) && (a4 <= 16)) && (a3 == 1)) && (a28 <= 15))) || (((((a14 <= 19) && (a26 <= 17)) && (a4 <= 16)) && (a3 == 1)) && (16 <= a28)))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 12:47:58,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81002569-ca07-451c-b5ba-1707b3a6916c/bin/uautomizer-verify-84ZbGMXZE1/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