./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem12_label53.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem12_label53.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 053df9010d5712277310e4ef905c5ec88d30ed5d93ad0429bc9d2f63ecfb87d7
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 18:30:09,175 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 18:30:09,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-23 18:30:09,242 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 18:30:09,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 18:30:09,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 18:30:09,268 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 18:30:09,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 18:30:09,268 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 18:30:09,269 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 18:30:09,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 18:30:09,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 18:30:09,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 18:30:09,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 18:30:09,270 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 18:30:09,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 18:30:09,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 18:30:09,270 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 18:30:09,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 18:30:09,270 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 18:30:09,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 18:30:09,271 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 18:30:09,271 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 18:30:09,271 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 18:30:09,271 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 18:30:09,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 18:30:09,271 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 18:30:09,272 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 18:30:09,272 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 18:30:09,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 18:30:09,272 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 18:30:09,272 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 18:30:09,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:30:09,273 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 18:30:09,273 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 18:30:09,273 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 18:30:09,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 18:30:09,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:30:09,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 18:30:09,273 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 18:30:09,273 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 18:30:09,273 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 18:30:09,273 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 18:30:09,274 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 18:30:09,274 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 18:30:09,274 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 18:30:09,274 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 18:30:09,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 18:30:09,274 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_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 053df9010d5712277310e4ef905c5ec88d30ed5d93ad0429bc9d2f63ecfb87d7
[2024-11-23 18:30:09,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 18:30:09,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 18:30:09,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 18:30:09,597 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 18:30:09,598 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 18:30:09,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/eca-rers2012/Problem12_label53.c
[2024-11-23 18:30:12,629 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/data/825b0171c/0a107ea231704a8c9bf2d636097f4b69/FLAGa3b6a5dee
[2024-11-23 18:30:13,213 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 18:30:13,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/sv-benchmarks/c/eca-rers2012/Problem12_label53.c
[2024-11-23 18:30:13,252 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/data/825b0171c/0a107ea231704a8c9bf2d636097f4b69/FLAGa3b6a5dee
[2024-11-23 18:30:13,273 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/data/825b0171c/0a107ea231704a8c9bf2d636097f4b69
[2024-11-23 18:30:13,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 18:30:13,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 18:30:13,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 18:30:13,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 18:30:13,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 18:30:13,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:30:13" (1/1) ...
[2024-11-23 18:30:13,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3031e6f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:13, skipping insertion in model container
[2024-11-23 18:30:13,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:30:13" (1/1) ...
[2024-11-23 18:30:13,430 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 18:30:13,640 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_929e767e-0d7e-4b80-8d3e-51121fef6b83/sv-benchmarks/c/eca-rers2012/Problem12_label53.c[4245,4258]
[2024-11-23 18:30:14,562 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:30:14,574 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 18:30:14,604 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_929e767e-0d7e-4b80-8d3e-51121fef6b83/sv-benchmarks/c/eca-rers2012/Problem12_label53.c[4245,4258]
[2024-11-23 18:30:15,129 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 18:30:15,154 INFO L204 MainTranslator]: Completed translation
[2024-11-23 18:30:15,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:15 WrapperNode
[2024-11-23 18:30:15,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 18:30:15,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 18:30:15,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 18:30:15,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 18:30:15,164 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:15" (1/1) ...
[2024-11-23 18:30:15,235 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:15" (1/1) ...
[2024-11-23 18:30:15,642 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 4760
[2024-11-23 18:30:15,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 18:30:15,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 18:30:15,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 18:30:15,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 18:30:15,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:15" (1/1) ...
[2024-11-23 18:30:15,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:15" (1/1) ...
[2024-11-23 18:30:15,711 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:15" (1/1) ...
[2024-11-23 18:30:15,981 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-23 18:30:15,981 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:15" (1/1) ...
[2024-11-23 18:30:15,981 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:15" (1/1) ...
[2024-11-23 18:30:16,106 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:15" (1/1) ...
[2024-11-23 18:30:16,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:15" (1/1) ...
[2024-11-23 18:30:16,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:15" (1/1) ...
[2024-11-23 18:30:16,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:15" (1/1) ...
[2024-11-23 18:30:16,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:15" (1/1) ...
[2024-11-23 18:30:16,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 18:30:16,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 18:30:16,261 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 18:30:16,261 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 18:30:16,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:15" (1/1) ...
[2024-11-23 18:30:16,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 18:30:16,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:30:16,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 18:30:16,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 18:30:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 18:30:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 18:30:16,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 18:30:16,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 18:30:16,414 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 18:30:16,416 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 18:30:22,622 INFO L? ?]: Removed 702 outVars from TransFormulas that were not future-live.
[2024-11-23 18:30:22,623 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 18:30:22,655 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 18:30:22,656 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-23 18:30:22,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:30:22 BoogieIcfgContainer
[2024-11-23 18:30:22,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 18:30:22,659 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 18:30:22,659 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 18:30:22,664 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 18:30:22,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:30:13" (1/3) ...
[2024-11-23 18:30:22,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728b450e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:30:22, skipping insertion in model container
[2024-11-23 18:30:22,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:15" (2/3) ...
[2024-11-23 18:30:22,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728b450e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:30:22, skipping insertion in model container
[2024-11-23 18:30:22,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:30:22" (3/3) ...
[2024-11-23 18:30:22,667 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem12_label53.c
[2024-11-23 18:30:22,682 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 18:30:22,684 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem12_label53.c that has 1 procedures, 818 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-23 18:30:22,779 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 18:30:22,794 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;@18dd1113, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 18:30:22,795 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-23 18:30:22,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 818 states, 816 states have (on average 1.9178921568627452) internal successors, (1565), 817 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:22,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2024-11-23 18:30:22,813 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:30:22,813 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]
[2024-11-23 18:30:22,814 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:22,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:22,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1317301102, now seen corresponding path program 1 times
[2024-11-23 18:30:22,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:22,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283480694]
[2024-11-23 18:30:22,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:22,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:23,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:30:23,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:23,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283480694]
[2024-11-23 18:30:23,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283480694] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:23,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:23,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:30:23,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449689933]
[2024-11-23 18:30:23,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:23,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:30:23,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:23,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:30:23,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:30:23,438 INFO L87 Difference]: Start difference. First operand has 818 states, 816 states have (on average 1.9178921568627452) internal successors, (1565), 817 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:30,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:30,755 INFO L93 Difference]: Finished difference Result 3155 states and 6150 transitions.
[2024-11-23 18:30:30,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 18:30:30,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 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 32
[2024-11-23 18:30:30,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:30,785 INFO L225 Difference]: With dead ends: 3155
[2024-11-23 18:30:30,785 INFO L226 Difference]: Without dead ends: 2265
[2024-11-23 18:30:30,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-23 18:30:30,794 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 2432 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 3734 mSolverCounterSat, 1719 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2432 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 5453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1719 IncrementalHoareTripleChecker+Valid, 3734 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:30,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2432 Valid, 234 Invalid, 5453 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1719 Valid, 3734 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time]
[2024-11-23 18:30:30,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2265 states.
[2024-11-23 18:30:30,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2265 to 2257.
[2024-11-23 18:30:30,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2257 states, 2256 states have (on average 1.5350177304964538) internal successors, (3463), 2256 states have internal predecessors, (3463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:30,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 2257 states and 3463 transitions.
[2024-11-23 18:30:30,918 INFO L78 Accepts]: Start accepts. Automaton has 2257 states and 3463 transitions. Word has length 32
[2024-11-23 18:30:30,919 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:30,919 INFO L471 AbstractCegarLoop]: Abstraction has 2257 states and 3463 transitions.
[2024-11-23 18:30:30,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:30,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 3463 transitions.
[2024-11-23 18:30:30,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2024-11-23 18:30:30,925 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:30:30,925 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-23 18:30:30,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 18:30:30,926 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:30,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:30,926 INFO L85 PathProgramCache]: Analyzing trace with hash -831855753, now seen corresponding path program 1 times
[2024-11-23 18:30:30,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:30,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811141600]
[2024-11-23 18:30:30,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:30,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:31,811 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:30:31,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:31,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811141600]
[2024-11-23 18:30:31,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811141600] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:31,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:31,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:30:31,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053050632]
[2024-11-23 18:30:31,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:31,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 18:30:31,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:31,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 18:30:31,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:30:31,817 INFO L87 Difference]: Start difference. First operand 2257 states and 3463 transitions. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:36,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:36,876 INFO L93 Difference]: Finished difference Result 6051 states and 9664 transitions.
[2024-11-23 18:30:36,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 18:30:36,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 3 states have internal predecessors, (172), 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 172
[2024-11-23 18:30:36,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:36,892 INFO L225 Difference]: With dead ends: 6051
[2024-11-23 18:30:36,892 INFO L226 Difference]: Without dead ends: 3759
[2024-11-23 18:30:36,896 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-23 18:30:36,896 INFO L435 NwaCegarLoop]: 694 mSDtfsCounter, 702 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 3107 mSolverCounterSat, 729 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 3836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 729 IncrementalHoareTripleChecker+Valid, 3107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:36,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 708 Invalid, 3836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [729 Valid, 3107 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time]
[2024-11-23 18:30:36,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3759 states.
[2024-11-23 18:30:36,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3759 to 3759.
[2024-11-23 18:30:36,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3759 states, 3758 states have (on average 1.3408728046833422) internal successors, (5039), 3758 states have internal predecessors, (5039), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:36,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 3759 states and 5039 transitions.
[2024-11-23 18:30:36,982 INFO L78 Accepts]: Start accepts. Automaton has 3759 states and 5039 transitions. Word has length 172
[2024-11-23 18:30:36,982 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:36,982 INFO L471 AbstractCegarLoop]: Abstraction has 3759 states and 5039 transitions.
[2024-11-23 18:30:36,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:36,983 INFO L276 IsEmpty]: Start isEmpty. Operand 3759 states and 5039 transitions.
[2024-11-23 18:30:36,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243
[2024-11-23 18:30:36,986 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:30:36,987 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-23 18:30:36,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 18:30:36,987 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:36,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:36,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1699477318, now seen corresponding path program 1 times
[2024-11-23 18:30:36,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:36,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678710289]
[2024-11-23 18:30:36,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:36,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:37,472 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked.
[2024-11-23 18:30:37,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:37,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678710289]
[2024-11-23 18:30:37,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678710289] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:37,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:37,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 18:30:37,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36633915]
[2024-11-23 18:30:37,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:37,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:30:37,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:37,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:30:37,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:37,477 INFO L87 Difference]: Start difference. First operand 3759 states and 5039 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:40,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:40,807 INFO L93 Difference]: Finished difference Result 10520 states and 14356 transitions.
[2024-11-23 18:30:40,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:30:40,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 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 242
[2024-11-23 18:30:40,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:40,831 INFO L225 Difference]: With dead ends: 10520
[2024-11-23 18:30:40,832 INFO L226 Difference]: Without dead ends: 6763
[2024-11-23 18:30:40,837 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:40,837 INFO L435 NwaCegarLoop]: 480 mSDtfsCounter, 669 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1989 mSolverCounterSat, 845 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 2834 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 845 IncrementalHoareTripleChecker+Valid, 1989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:40,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 486 Invalid, 2834 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [845 Valid, 1989 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time]
[2024-11-23 18:30:40,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6763 states.
[2024-11-23 18:30:40,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6763 to 6012.
[2024-11-23 18:30:40,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6012 states, 6011 states have (on average 1.2814839460988188) internal successors, (7703), 6011 states have internal predecessors, (7703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:40,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6012 states to 6012 states and 7703 transitions.
[2024-11-23 18:30:40,960 INFO L78 Accepts]: Start accepts. Automaton has 6012 states and 7703 transitions. Word has length 242
[2024-11-23 18:30:40,961 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:40,961 INFO L471 AbstractCegarLoop]: Abstraction has 6012 states and 7703 transitions.
[2024-11-23 18:30:40,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 2 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:40,962 INFO L276 IsEmpty]: Start isEmpty. Operand 6012 states and 7703 transitions.
[2024-11-23 18:30:40,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256
[2024-11-23 18:30:40,965 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:30:40,965 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-23 18:30:40,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 18:30:40,965 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:40,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:40,966 INFO L85 PathProgramCache]: Analyzing trace with hash -12454335, now seen corresponding path program 1 times
[2024-11-23 18:30:40,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:40,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668535513]
[2024-11-23 18:30:40,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:40,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:41,579 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 59 proven. 54 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked.
[2024-11-23 18:30:41,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:41,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668535513]
[2024-11-23 18:30:41,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668535513] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:30:41,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71331931]
[2024-11-23 18:30:41,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:41,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:30:41,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:30:41,585 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:30:41,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-23 18:30:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:41,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-23 18:30:41,826 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:30:42,020 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 18:30:42,020 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 18:30:42,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [71331931] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:42,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 18:30:42,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2024-11-23 18:30:42,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149468863]
[2024-11-23 18:30:42,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:42,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:30:42,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:42,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:30:42,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 18:30:42,023 INFO L87 Difference]: Start difference. First operand 6012 states and 7703 transitions. Second operand has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:45,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:45,383 INFO L93 Difference]: Finished difference Result 15026 states and 19934 transitions.
[2024-11-23 18:30:45,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:30:45,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 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 255
[2024-11-23 18:30:45,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:45,408 INFO L225 Difference]: With dead ends: 15026
[2024-11-23 18:30:45,408 INFO L226 Difference]: Without dead ends: 9016
[2024-11-23 18:30:45,415 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 18:30:45,416 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 908 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 2072 mSolverCounterSat, 703 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 908 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 2775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 703 IncrementalHoareTripleChecker+Valid, 2072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:45,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [908 Valid, 309 Invalid, 2775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [703 Valid, 2072 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time]
[2024-11-23 18:30:45,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9016 states.
[2024-11-23 18:30:45,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9016 to 9016.
[2024-11-23 18:30:45,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9016 states, 9015 states have (on average 1.2657792567942319) internal successors, (11411), 9015 states have internal predecessors, (11411), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:45,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9016 states to 9016 states and 11411 transitions.
[2024-11-23 18:30:45,596 INFO L78 Accepts]: Start accepts. Automaton has 9016 states and 11411 transitions. Word has length 255
[2024-11-23 18:30:45,596 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:45,596 INFO L471 AbstractCegarLoop]: Abstraction has 9016 states and 11411 transitions.
[2024-11-23 18:30:45,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.0) internal successors, (255), 3 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:45,597 INFO L276 IsEmpty]: Start isEmpty. Operand 9016 states and 11411 transitions.
[2024-11-23 18:30:45,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273
[2024-11-23 18:30:45,601 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:30:45,601 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:45,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-23 18:30:45,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:30:45,805 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:45,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:45,806 INFO L85 PathProgramCache]: Analyzing trace with hash -397969285, now seen corresponding path program 1 times
[2024-11-23 18:30:45,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:45,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161530274]
[2024-11-23 18:30:45,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:45,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:46,143 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked.
[2024-11-23 18:30:46,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:46,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161530274]
[2024-11-23 18:30:46,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161530274] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:46,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:46,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:30:46,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852795049]
[2024-11-23 18:30:46,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:46,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:30:46,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:46,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:30:46,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:46,146 INFO L87 Difference]: Start difference. First operand 9016 states and 11411 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:49,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:49,804 INFO L93 Difference]: Finished difference Result 21785 states and 27827 transitions.
[2024-11-23 18:30:49,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:30:49,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 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 272
[2024-11-23 18:30:49,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:49,834 INFO L225 Difference]: With dead ends: 21785
[2024-11-23 18:30:49,834 INFO L226 Difference]: Without dead ends: 12771
[2024-11-23 18:30:49,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:49,840 INFO L435 NwaCegarLoop]: 1208 mSDtfsCounter, 743 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2254 mSolverCounterSat, 525 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 1216 SdHoareTripleChecker+Invalid, 2779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 525 IncrementalHoareTripleChecker+Valid, 2254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:49,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 1216 Invalid, 2779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [525 Valid, 2254 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time]
[2024-11-23 18:30:49,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12771 states.
[2024-11-23 18:30:50,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12771 to 12771.
[2024-11-23 18:30:50,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12771 states, 12770 states have (on average 1.183868441660141) internal successors, (15118), 12770 states have internal predecessors, (15118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:50,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12771 states to 12771 states and 15118 transitions.
[2024-11-23 18:30:50,046 INFO L78 Accepts]: Start accepts. Automaton has 12771 states and 15118 transitions. Word has length 272
[2024-11-23 18:30:50,047 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:50,047 INFO L471 AbstractCegarLoop]: Abstraction has 12771 states and 15118 transitions.
[2024-11-23 18:30:50,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:50,047 INFO L276 IsEmpty]: Start isEmpty. Operand 12771 states and 15118 transitions.
[2024-11-23 18:30:50,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360
[2024-11-23 18:30:50,055 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:30:50,056 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:50,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-23 18:30:50,056 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:50,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:50,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1190148266, now seen corresponding path program 1 times
[2024-11-23 18:30:50,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:50,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057657106]
[2024-11-23 18:30:50,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:50,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:50,452 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-11-23 18:30:50,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:50,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057657106]
[2024-11-23 18:30:50,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057657106] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:50,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:50,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:30:50,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459278884]
[2024-11-23 18:30:50,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:50,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:30:50,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:50,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:30:50,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:50,460 INFO L87 Difference]: Start difference. First operand 12771 states and 15118 transitions. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:54,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:54,333 INFO L93 Difference]: Finished difference Result 36054 states and 43062 transitions.
[2024-11-23 18:30:54,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:30:54,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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 359
[2024-11-23 18:30:54,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:54,382 INFO L225 Difference]: With dead ends: 36054
[2024-11-23 18:30:54,382 INFO L226 Difference]: Without dead ends: 23285
[2024-11-23 18:30:54,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:54,396 INFO L435 NwaCegarLoop]: 1215 mSDtfsCounter, 639 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2607 mSolverCounterSat, 397 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 1223 SdHoareTripleChecker+Invalid, 3004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 397 IncrementalHoareTripleChecker+Valid, 2607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:54,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 1223 Invalid, 3004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [397 Valid, 2607 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time]
[2024-11-23 18:30:54,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23285 states.
[2024-11-23 18:30:54,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23285 to 22534.
[2024-11-23 18:30:54,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22534 states, 22533 states have (on average 1.1720143789109307) internal successors, (26409), 22533 states have internal predecessors, (26409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:54,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22534 states to 22534 states and 26409 transitions.
[2024-11-23 18:30:54,721 INFO L78 Accepts]: Start accepts. Automaton has 22534 states and 26409 transitions. Word has length 359
[2024-11-23 18:30:54,722 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:54,722 INFO L471 AbstractCegarLoop]: Abstraction has 22534 states and 26409 transitions.
[2024-11-23 18:30:54,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:54,723 INFO L276 IsEmpty]: Start isEmpty. Operand 22534 states and 26409 transitions.
[2024-11-23 18:30:54,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364
[2024-11-23 18:30:54,730 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:30:54,731 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:54,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-23 18:30:54,731 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:54,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:54,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1516330464, now seen corresponding path program 1 times
[2024-11-23 18:30:54,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:54,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774253806]
[2024-11-23 18:30:54,733 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:54,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:30:55,626 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked.
[2024-11-23 18:30:55,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:30:55,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774253806]
[2024-11-23 18:30:55,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774253806] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:30:55,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:30:55,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:30:55,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883506677]
[2024-11-23 18:30:55,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:30:55,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:30:55,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:30:55,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:30:55,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:55,629 INFO L87 Difference]: Start difference. First operand 22534 states and 26409 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:59,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:30:59,358 INFO L93 Difference]: Finished difference Result 51074 states and 59608 transitions.
[2024-11-23 18:30:59,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:30:59,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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 363
[2024-11-23 18:30:59,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:30:59,412 INFO L225 Difference]: With dead ends: 51074
[2024-11-23 18:30:59,412 INFO L226 Difference]: Without dead ends: 28542
[2024-11-23 18:30:59,429 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:30:59,430 INFO L435 NwaCegarLoop]: 961 mSDtfsCounter, 808 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2146 mSolverCounterSat, 572 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 808 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 2718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 572 IncrementalHoareTripleChecker+Valid, 2146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time
[2024-11-23 18:30:59,430 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [808 Valid, 969 Invalid, 2718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [572 Valid, 2146 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time]
[2024-11-23 18:30:59,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28542 states.
[2024-11-23 18:30:59,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28542 to 27040.
[2024-11-23 18:30:59,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27040 states, 27039 states have (on average 1.144716890417545) internal successors, (30952), 27039 states have internal predecessors, (30952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:59,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27040 states to 27040 states and 30952 transitions.
[2024-11-23 18:30:59,755 INFO L78 Accepts]: Start accepts. Automaton has 27040 states and 30952 transitions. Word has length 363
[2024-11-23 18:30:59,756 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:30:59,756 INFO L471 AbstractCegarLoop]: Abstraction has 27040 states and 30952 transitions.
[2024-11-23 18:30:59,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:30:59,756 INFO L276 IsEmpty]: Start isEmpty. Operand 27040 states and 30952 transitions.
[2024-11-23 18:30:59,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466
[2024-11-23 18:30:59,770 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:30:59,770 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:30:59,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-23 18:30:59,771 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:30:59,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:30:59,772 INFO L85 PathProgramCache]: Analyzing trace with hash -2028343573, now seen corresponding path program 1 times
[2024-11-23 18:30:59,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:30:59,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120931978]
[2024-11-23 18:30:59,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:30:59,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:30:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:31:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 502 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked.
[2024-11-23 18:31:00,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:31:00,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120931978]
[2024-11-23 18:31:00,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120931978] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:31:00,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:31:00,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:31:00,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842914345]
[2024-11-23 18:31:00,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:31:00,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:31:00,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:31:00,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:31:00,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:31:00,277 INFO L87 Difference]: Start difference. First operand 27040 states and 30952 transitions. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:04,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:31:04,062 INFO L93 Difference]: Finished difference Result 54829 states and 62659 transitions.
[2024-11-23 18:31:04,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:31:04,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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 465
[2024-11-23 18:31:04,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:31:04,120 INFO L225 Difference]: With dead ends: 54829
[2024-11-23 18:31:04,120 INFO L226 Difference]: Without dead ends: 27791
[2024-11-23 18:31:04,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:31:04,140 INFO L435 NwaCegarLoop]: 263 mSDtfsCounter, 663 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 2285 mSolverCounterSat, 620 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 2905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 620 IncrementalHoareTripleChecker+Valid, 2285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time
[2024-11-23 18:31:04,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 269 Invalid, 2905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [620 Valid, 2285 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time]
[2024-11-23 18:31:04,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27791 states.
[2024-11-23 18:31:04,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27791 to 27040.
[2024-11-23 18:31:04,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27040 states, 27039 states have (on average 1.1338437072376937) internal successors, (30658), 27039 states have internal predecessors, (30658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:04,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27040 states to 27040 states and 30658 transitions.
[2024-11-23 18:31:04,486 INFO L78 Accepts]: Start accepts. Automaton has 27040 states and 30658 transitions. Word has length 465
[2024-11-23 18:31:04,487 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:31:04,487 INFO L471 AbstractCegarLoop]: Abstraction has 27040 states and 30658 transitions.
[2024-11-23 18:31:04,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:04,487 INFO L276 IsEmpty]: Start isEmpty. Operand 27040 states and 30658 transitions.
[2024-11-23 18:31:04,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477
[2024-11-23 18:31:04,503 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:31:04,504 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:31:04,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-23 18:31:04,505 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:31:04,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:31:04,506 INFO L85 PathProgramCache]: Analyzing trace with hash -763771733, now seen corresponding path program 1 times
[2024-11-23 18:31:04,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:31:04,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924222190]
[2024-11-23 18:31:04,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:31:04,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:31:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:31:05,442 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 324 proven. 230 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked.
[2024-11-23 18:31:05,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:31:05,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924222190]
[2024-11-23 18:31:05,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924222190] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 18:31:05,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694686534]
[2024-11-23 18:31:05,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:31:05,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:31:05,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 18:31:05,446 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 18:31:05,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-23 18:31:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:31:05,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-23 18:31:05,684 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 18:31:06,019 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked.
[2024-11-23 18:31:06,021 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 18:31:06,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694686534] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:31:06,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 18:31:06,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5
[2024-11-23 18:31:06,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142597869]
[2024-11-23 18:31:06,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:31:06,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:31:06,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:31:06,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:31:06,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 18:31:06,026 INFO L87 Difference]: Start difference. First operand 27040 states and 30658 transitions. Second operand has 3 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:10,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:31:10,529 INFO L93 Difference]: Finished difference Result 72102 states and 82464 transitions.
[2024-11-23 18:31:10,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:31:10,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 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 476
[2024-11-23 18:31:10,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:31:10,602 INFO L225 Difference]: With dead ends: 72102
[2024-11-23 18:31:10,603 INFO L226 Difference]: Without dead ends: 45064
[2024-11-23 18:31:10,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 476 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 18:31:10,620 INFO L435 NwaCegarLoop]: 1046 mSDtfsCounter, 665 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2347 mSolverCounterSat, 707 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 1053 SdHoareTripleChecker+Invalid, 3054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 707 IncrementalHoareTripleChecker+Valid, 2347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time
[2024-11-23 18:31:10,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [665 Valid, 1053 Invalid, 3054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [707 Valid, 2347 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time]
[2024-11-23 18:31:10,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45064 states.
[2024-11-23 18:31:11,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45064 to 45064.
[2024-11-23 18:31:11,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45064 states, 45063 states have (on average 1.141291081374964) internal successors, (51430), 45063 states have internal predecessors, (51430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:11,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45064 states to 45064 states and 51430 transitions.
[2024-11-23 18:31:11,171 INFO L78 Accepts]: Start accepts. Automaton has 45064 states and 51430 transitions. Word has length 476
[2024-11-23 18:31:11,173 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:31:11,173 INFO L471 AbstractCegarLoop]: Abstraction has 45064 states and 51430 transitions.
[2024-11-23 18:31:11,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:11,174 INFO L276 IsEmpty]: Start isEmpty. Operand 45064 states and 51430 transitions.
[2024-11-23 18:31:11,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486
[2024-11-23 18:31:11,185 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:31:11,186 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:31:11,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-23 18:31:11,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 18:31:11,388 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:31:11,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:31:11,388 INFO L85 PathProgramCache]: Analyzing trace with hash 157968093, now seen corresponding path program 1 times
[2024-11-23 18:31:11,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:31:11,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505984687]
[2024-11-23 18:31:11,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:31:11,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:31:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:31:11,743 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 522 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked.
[2024-11-23 18:31:11,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:31:11,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505984687]
[2024-11-23 18:31:11,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505984687] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:31:11,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:31:11,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:31:11,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630398049]
[2024-11-23 18:31:11,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:31:11,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:31:11,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:31:11,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:31:11,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:31:11,746 INFO L87 Difference]: Start difference. First operand 45064 states and 51430 transitions. Second operand has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:15,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:31:15,855 INFO L93 Difference]: Finished difference Result 107399 states and 121876 transitions.
[2024-11-23 18:31:15,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:31:15,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 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 485
[2024-11-23 18:31:15,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:31:15,939 INFO L225 Difference]: With dead ends: 107399
[2024-11-23 18:31:15,939 INFO L226 Difference]: Without dead ends: 61586
[2024-11-23 18:31:15,969 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:31:15,970 INFO L435 NwaCegarLoop]: 1067 mSDtfsCounter, 732 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2109 mSolverCounterSat, 658 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 732 SdHoareTripleChecker+Valid, 1074 SdHoareTripleChecker+Invalid, 2767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 658 IncrementalHoareTripleChecker+Valid, 2109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time
[2024-11-23 18:31:15,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [732 Valid, 1074 Invalid, 2767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [658 Valid, 2109 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time]
[2024-11-23 18:31:16,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61586 states.
[2024-11-23 18:31:16,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61586 to 55578.
[2024-11-23 18:31:16,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55578 states, 55577 states have (on average 1.1048275365708837) internal successors, (61403), 55577 states have internal predecessors, (61403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:16,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55578 states to 55578 states and 61403 transitions.
[2024-11-23 18:31:16,631 INFO L78 Accepts]: Start accepts. Automaton has 55578 states and 61403 transitions. Word has length 485
[2024-11-23 18:31:16,632 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:31:16,632 INFO L471 AbstractCegarLoop]: Abstraction has 55578 states and 61403 transitions.
[2024-11-23 18:31:16,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.66666666666667) internal successors, (359), 3 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:16,632 INFO L276 IsEmpty]: Start isEmpty. Operand 55578 states and 61403 transitions.
[2024-11-23 18:31:16,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537
[2024-11-23 18:31:16,648 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:31:16,648 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:31:16,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-23 18:31:16,649 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:31:16,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:31:16,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1863923703, now seen corresponding path program 1 times
[2024-11-23 18:31:16,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:31:16,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118091768]
[2024-11-23 18:31:16,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:31:16,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:31:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:31:17,191 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 521 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked.
[2024-11-23 18:31:17,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:31:17,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118091768]
[2024-11-23 18:31:17,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118091768] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:31:17,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:31:17,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:31:17,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978385351]
[2024-11-23 18:31:17,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:31:17,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:31:17,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:31:17,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:31:17,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:31:17,196 INFO L87 Difference]: Start difference. First operand 55578 states and 61403 transitions. Second operand has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:22,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:31:22,310 INFO L93 Difference]: Finished difference Result 144198 states and 159788 transitions.
[2024-11-23 18:31:22,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:31:22,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 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 536
[2024-11-23 18:31:22,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:31:22,413 INFO L225 Difference]: With dead ends: 144198
[2024-11-23 18:31:22,413 INFO L226 Difference]: Without dead ends: 89373
[2024-11-23 18:31:22,449 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:31:22,450 INFO L435 NwaCegarLoop]: 454 mSDtfsCounter, 617 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2266 mSolverCounterSat, 647 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 617 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 2913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 647 IncrementalHoareTripleChecker+Valid, 2266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time
[2024-11-23 18:31:22,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [617 Valid, 461 Invalid, 2913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [647 Valid, 2266 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time]
[2024-11-23 18:31:22,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89373 states.
[2024-11-23 18:31:23,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89373 to 87120.
[2024-11-23 18:31:23,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87120 states, 87119 states have (on average 1.0904280352161986) internal successors, (94997), 87119 states have internal predecessors, (94997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:23,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87120 states to 87120 states and 94997 transitions.
[2024-11-23 18:31:23,771 INFO L78 Accepts]: Start accepts. Automaton has 87120 states and 94997 transitions. Word has length 536
[2024-11-23 18:31:23,771 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:31:23,772 INFO L471 AbstractCegarLoop]: Abstraction has 87120 states and 94997 transitions.
[2024-11-23 18:31:23,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.0) internal successors, (366), 3 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:23,772 INFO L276 IsEmpty]: Start isEmpty. Operand 87120 states and 94997 transitions.
[2024-11-23 18:31:24,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549
[2024-11-23 18:31:24,013 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:31:24,013 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-23 18:31:24,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-23 18:31:24,013 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:31:24,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:31:24,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1761319115, now seen corresponding path program 1 times
[2024-11-23 18:31:24,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:31:24,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622555880]
[2024-11-23 18:31:24,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:31:24,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:31:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:31:24,937 INFO L134 CoverageAnalysis]: Checked inductivity of 709 backedges. 523 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked.
[2024-11-23 18:31:24,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:31:24,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622555880]
[2024-11-23 18:31:24,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622555880] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:31:24,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:31:24,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:31:24,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831110622]
[2024-11-23 18:31:24,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:31:24,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:31:24,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:31:24,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:31:24,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:31:24,941 INFO L87 Difference]: Start difference. First operand 87120 states and 94997 transitions. Second operand has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:29,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:31:29,386 INFO L93 Difference]: Finished difference Result 193764 states and 211555 transitions.
[2024-11-23 18:31:29,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:31:29,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 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 548
[2024-11-23 18:31:29,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:31:29,495 INFO L225 Difference]: With dead ends: 193764
[2024-11-23 18:31:29,495 INFO L226 Difference]: Without dead ends: 107397
[2024-11-23 18:31:29,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:31:29,536 INFO L435 NwaCegarLoop]: 1282 mSDtfsCounter, 581 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2331 mSolverCounterSat, 422 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 2753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 422 IncrementalHoareTripleChecker+Valid, 2331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time
[2024-11-23 18:31:29,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 1290 Invalid, 2753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [422 Valid, 2331 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time]
[2024-11-23 18:31:29,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107397 states.
[2024-11-23 18:31:30,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107397 to 104393.
[2024-11-23 18:31:31,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104393 states, 104392 states have (on average 1.0831768717909418) internal successors, (113075), 104392 states have internal predecessors, (113075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:31,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104393 states to 104393 states and 113075 transitions.
[2024-11-23 18:31:31,161 INFO L78 Accepts]: Start accepts. Automaton has 104393 states and 113075 transitions. Word has length 548
[2024-11-23 18:31:31,162 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:31:31,162 INFO L471 AbstractCegarLoop]: Abstraction has 104393 states and 113075 transitions.
[2024-11-23 18:31:31,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:31,162 INFO L276 IsEmpty]: Start isEmpty. Operand 104393 states and 113075 transitions.
[2024-11-23 18:31:31,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 977
[2024-11-23 18:31:31,216 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 18:31:31,216 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-23 18:31:31,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-23 18:31:31,217 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 18:31:31,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 18:31:31,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1928702966, now seen corresponding path program 1 times
[2024-11-23 18:31:31,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 18:31:31,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128599256]
[2024-11-23 18:31:31,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 18:31:31,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 18:31:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 18:31:32,243 INFO L134 CoverageAnalysis]: Checked inductivity of 709 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked.
[2024-11-23 18:31:32,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 18:31:32,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128599256]
[2024-11-23 18:31:32,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128599256] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 18:31:32,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 18:31:32,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 18:31:32,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863591315]
[2024-11-23 18:31:32,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 18:31:32,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 18:31:32,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 18:31:32,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 18:31:32,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:31:32,248 INFO L87 Difference]: Start difference. First operand 104393 states and 113075 transitions. Second operand has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:36,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 18:31:36,703 INFO L93 Difference]: Finished difference Result 208782 states and 226251 transitions.
[2024-11-23 18:31:36,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 18:31:36,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 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 976
[2024-11-23 18:31:36,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 18:31:36,704 INFO L225 Difference]: With dead ends: 208782
[2024-11-23 18:31:36,704 INFO L226 Difference]: Without dead ends: 0
[2024-11-23 18:31:36,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 18:31:36,732 INFO L435 NwaCegarLoop]: 1106 mSDtfsCounter, 840 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2194 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 1113 SdHoareTripleChecker+Invalid, 2534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 2194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time
[2024-11-23 18:31:36,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [840 Valid, 1113 Invalid, 2534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [340 Valid, 2194 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time]
[2024-11-23 18:31:36,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-23 18:31:36,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-23 18:31:36,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:36,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-23 18:31:36,733 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 976
[2024-11-23 18:31:36,733 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 18:31:36,734 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-23 18:31:36,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.0) internal successors, (648), 3 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 18:31:36,734 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-23 18:31:36,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-23 18:31:36,737 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-23 18:31:36,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-23 18:31:36,741 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 18:31:36,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-23 18:31:40,786 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 18:31:40,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:31:40 BoogieIcfgContainer
[2024-11-23 18:31:40,815 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 18:31:40,817 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 18:31:40,817 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 18:31:40,817 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 18:31:40,818 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:30:22" (3/4) ...
[2024-11-23 18:31:40,821 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-23 18:31:40,888 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2024-11-23 18:31:40,894 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-23 18:31:40,900 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-23 18:31:40,906 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-23 18:31:41,775 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 18:31:41,775 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 18:31:41,775 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 18:31:41,780 INFO L158 Benchmark]: Toolchain (without parser) took 88498.25ms. Allocated memory was 142.6MB in the beginning and 8.9GB in the end (delta: 8.8GB). Free memory was 86.2MB in the beginning and 8.0GB in the end (delta: -7.9GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB.
[2024-11-23 18:31:41,781 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 18:31:41,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1874.73ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 46.7MB in the end (delta: 39.2MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB.
[2024-11-23 18:31:41,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 488.16ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 46.7MB in the beginning and 254.9MB in the end (delta: -208.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
[2024-11-23 18:31:41,782 INFO L158 Benchmark]: Boogie Preprocessor took 613.63ms. Allocated memory is still 377.5MB. Free memory was 254.9MB in the beginning and 243.0MB in the end (delta: 11.9MB). Peak memory consumption was 97.1MB. Max. memory is 16.1GB.
[2024-11-23 18:31:41,782 INFO L158 Benchmark]: RCFGBuilder took 6397.04ms. Allocated memory was 377.5MB in the beginning and 947.9MB in the end (delta: 570.4MB). Free memory was 243.0MB in the beginning and 325.7MB in the end (delta: -82.7MB). Peak memory consumption was 500.3MB. Max. memory is 16.1GB.
[2024-11-23 18:31:41,782 INFO L158 Benchmark]: TraceAbstraction took 78156.39ms. Allocated memory was 947.9MB in the beginning and 8.9GB in the end (delta: 8.0GB). Free memory was 325.0MB in the beginning and 7.7GB in the end (delta: -7.4GB). Peak memory consumption was 727.6MB. Max. memory is 16.1GB.
[2024-11-23 18:31:41,783 INFO L158 Benchmark]: Witness Printer took 958.71ms. Allocated memory is still 8.9GB. Free memory was 7.7GB in the beginning and 8.0GB in the end (delta: -340.9MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB.
[2024-11-23 18:31:41,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1874.73ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 46.7MB in the end (delta: 39.2MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 488.16ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 46.7MB in the beginning and 254.9MB in the end (delta: -208.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 613.63ms. Allocated memory is still 377.5MB. Free memory was 254.9MB in the beginning and 243.0MB in the end (delta: 11.9MB). Peak memory consumption was 97.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 6397.04ms. Allocated memory was 377.5MB in the beginning and 947.9MB in the end (delta: 570.4MB). Free memory was 243.0MB in the beginning and 325.7MB in the end (delta: -82.7MB). Peak memory consumption was 500.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 78156.39ms. Allocated memory was 947.9MB in the beginning and 8.9GB in the end (delta: 8.0GB). Free memory was 325.0MB in the beginning and 7.7GB in the end (delta: -7.4GB). Peak memory consumption was 727.6MB. Max. memory is 16.1GB.
* Witness Printer took 958.71ms. Allocated memory is still 8.9GB. Free memory was 7.7GB in the beginning and 8.0GB in the end (delta: -340.9MB). Peak memory consumption was 10.4MB. 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: 118]: 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, 818 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 74.0s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 57.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10999 SdHoareTripleChecker+Valid, 52.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10999 mSDsluCounter, 10405 SdHoareTripleChecker+Invalid, 44.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 118 mSDsCounter, 8884 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31441 IncrementalHoareTripleChecker+Invalid, 40325 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8884 mSolverCounterUnsat, 10287 mSDtfsCounter, 31441 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 772 GetRequests, 752 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104393occurred in iteration=12, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 15028 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 5912 NumberOfCodeBlocks, 5912 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 5897 ConstructedInterpolants, 0 QuantifiedInterpolants, 14350 SizeOfPredicates, 0 NumberOfNonLiveVariables, 989 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 5718/6002 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: 4828]: Loop Invariant
Derived loop invariant: ((((((((((((a7 <= 13) && (5 == a5)) || (((0 <= ((long long) a17 + 107)) && (a2 <= 189)) && (a17 <= 111))) || (((a2 <= 170) && (a7 == 13)) && (((long long) a17 + 124) <= 0))) || ((a5 != 4) && (a2 <= 189))) || (((0 <= ((long long) a17 + 107)) && (a2 <= 189)) && (a24 != 14))) || (((a24 <= 14) && (14 <= a7)) && (a2 <= 189))) || (((a24 <= 14) && (256 <= a17)) && (a24 != 14))) || ((a24 <= 14) && (5 == a5))) || (((a24 <= 14) && (14 <= a7)) && (a24 != 14))) || (((a24 <= 14) && (a17 <= 111)) && (a24 != 14))) || ((a5 <= 4) && (190 <= a2)))
RESULT: Ultimate proved your program to be correct!
[2024-11-23 18:31:41,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_929e767e-0d7e-4b80-8d3e-51121fef6b83/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE