./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label59.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label59.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b318f94936d789f3e225c0b031e22ed136ba6b0572610da57c85f0ad4ebaa0a1
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-01 13:14:00,197 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-01 13:14:00,261 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-01 13:14:00,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-01 13:14:00,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-01 13:14:00,291 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-01 13:14:00,292 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-01 13:14:00,292 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-01 13:14:00,293 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-01 13:14:00,293 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-01 13:14:00,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-01 13:14:00,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-01 13:14:00,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-01 13:14:00,293 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-01 13:14:00,294 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-01 13:14:00,294 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-01 13:14:00,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-01 13:14:00,294 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-01 13:14:00,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-01 13:14:00,294 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-01 13:14:00,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-01 13:14:00,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-01 13:14:00,294 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-01 13:14:00,295 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-01 13:14:00,295 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-01 13:14:00,295 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-01 13:14:00,295 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-01 13:14:00,295 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-01 13:14:00,295 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-01 13:14:00,295 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-01 13:14:00,295 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-01 13:14:00,295 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-01 13:14:00,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 13:14:00,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-01 13:14:00,296 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-01 13:14:00,296 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-01 13:14:00,296 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-01 13:14:00,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 13:14:00,296 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-01 13:14:00,296 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-01 13:14:00,296 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-01 13:14:00,296 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-01 13:14:00,296 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-01 13:14:00,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-01 13:14:00,297 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-01 13:14:00,297 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-01 13:14:00,297 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-01 13:14:00,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-01 13:14:00,297 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_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b318f94936d789f3e225c0b031e22ed136ba6b0572610da57c85f0ad4ebaa0a1
[2024-12-01 13:14:00,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-01 13:14:00,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-01 13:14:00,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-01 13:14:00,556 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-01 13:14:00,556 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-01 13:14:00,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/eca-rers2012/Problem11_label59.c
[2024-12-01 13:14:03,204 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/data/1ceb38a01/19f6822805114ab5b4fe14e5d4be1a40/FLAG7750c701b
[2024-12-01 13:14:03,457 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-01 13:14:03,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/sv-benchmarks/c/eca-rers2012/Problem11_label59.c
[2024-12-01 13:14:03,471 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/data/1ceb38a01/19f6822805114ab5b4fe14e5d4be1a40/FLAG7750c701b
[2024-12-01 13:14:03,487 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/data/1ceb38a01/19f6822805114ab5b4fe14e5d4be1a40
[2024-12-01 13:14:03,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-01 13:14:03,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-01 13:14:03,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-01 13:14:03,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-01 13:14:03,498 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-01 13:14:03,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:14:03" (1/1) ...
[2024-12-01 13:14:03,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a42a666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:14:03, skipping insertion in model container
[2024-12-01 13:14:03,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:14:03" (1/1) ...
[2024-12-01 13:14:03,539 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-01 13:14:03,747 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_59f02915-d2f2-4755-ba21-cf45a4183471/sv-benchmarks/c/eca-rers2012/Problem11_label59.c[8515,8528]
[2024-12-01 13:14:03,922 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-01 13:14:03,932 INFO L200 MainTranslator]: Completed pre-run
[2024-12-01 13:14:03,964 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_59f02915-d2f2-4755-ba21-cf45a4183471/sv-benchmarks/c/eca-rers2012/Problem11_label59.c[8515,8528]
[2024-12-01 13:14:04,065 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-01 13:14:04,079 INFO L204 MainTranslator]: Completed translation
[2024-12-01 13:14:04,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:14:04 WrapperNode
[2024-12-01 13:14:04,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-01 13:14:04,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-01 13:14:04,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-01 13:14:04,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-01 13:14:04,087 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:14:04" (1/1) ...
[2024-12-01 13:14:04,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:14:04" (1/1) ...
[2024-12-01 13:14:04,183 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999
[2024-12-01 13:14:04,183 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-01 13:14:04,183 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-01 13:14:04,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-01 13:14:04,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-01 13:14:04,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:14:04" (1/1) ...
[2024-12-01 13:14:04,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:14:04" (1/1) ...
[2024-12-01 13:14:04,223 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:14:04" (1/1) ...
[2024-12-01 13:14:04,257 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-01 13:14:04,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:14:04" (1/1) ...
[2024-12-01 13:14:04,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:14:04" (1/1) ...
[2024-12-01 13:14:04,287 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:14:04" (1/1) ...
[2024-12-01 13:14:04,294 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:14:04" (1/1) ...
[2024-12-01 13:14:04,302 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:14:04" (1/1) ...
[2024-12-01 13:14:04,314 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:14:04" (1/1) ...
[2024-12-01 13:14:04,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:14:04" (1/1) ...
[2024-12-01 13:14:04,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-01 13:14:04,337 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-01 13:14:04,337 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-01 13:14:04,337 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-01 13:14:04,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:14:04" (1/1) ...
[2024-12-01 13:14:04,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-01 13:14:04,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:14:04,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-01 13:14:04,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-01 13:14:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-01 13:14:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-01 13:14:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-01 13:14:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-01 13:14:04,456 INFO L234 CfgBuilder]: Building ICFG
[2024-12-01 13:14:04,458 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-01 13:14:06,051 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live.
[2024-12-01 13:14:06,051 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-01 13:14:06,069 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-01 13:14:06,069 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-01 13:14:06,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:14:06 BoogieIcfgContainer
[2024-12-01 13:14:06,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-01 13:14:06,072 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-01 13:14:06,072 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-01 13:14:06,078 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-01 13:14:06,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 01:14:03" (1/3) ...
[2024-12-01 13:14:06,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e415020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 01:14:06, skipping insertion in model container
[2024-12-01 13:14:06,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:14:04" (2/3) ...
[2024-12-01 13:14:06,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e415020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 01:14:06, skipping insertion in model container
[2024-12-01 13:14:06,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:14:06" (3/3) ...
[2024-12-01 13:14:06,080 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem11_label59.c
[2024-12-01 13:14:06,098 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-01 13:14:06,099 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem11_label59.c that has 1 procedures, 283 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-01 13:14:06,164 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-01 13:14:06,175 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;@2986a67, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-01 13:14:06,175 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-01 13:14:06,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:06,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2024-12-01 13:14:06,188 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:06,188 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:14:06,189 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 13:14:06,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:06,194 INFO L85 PathProgramCache]: Analyzing trace with hash 118092897, now seen corresponding path program 1 times
[2024-12-01 13:14:06,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:06,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302738780]
[2024-12-01 13:14:06,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:06,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:06,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 13:14:06,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:06,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302738780]
[2024-12-01 13:14:06,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302738780] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 13:14:06,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 13:14:06,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 13:14:06,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501031203]
[2024-12-01 13:14:06,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:14:06,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 13:14:06,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:06,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 13:14:06,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:06,615 INFO L87 Difference]: Start difference. First operand has 283 states, 281 states have (on average 1.7153024911032029) internal successors, (482), 282 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:07,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:07,765 INFO L93 Difference]: Finished difference Result 763 states and 1352 transitions.
[2024-12-01 13:14:07,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 13:14:07,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 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 59
[2024-12-01 13:14:07,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:07,776 INFO L225 Difference]: With dead ends: 763
[2024-12-01 13:14:07,776 INFO L226 Difference]: Without dead ends: 416
[2024-12-01 13:14:07,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:07,781 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 214 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:07,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 89 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-12-01 13:14:07,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states.
[2024-12-01 13:14:07,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 408.
[2024-12-01 13:14:07,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 407 states have (on average 1.6142506142506143) internal successors, (657), 407 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:07,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 657 transitions.
[2024-12-01 13:14:07,839 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 657 transitions. Word has length 59
[2024-12-01 13:14:07,840 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:07,840 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 657 transitions.
[2024-12-01 13:14:07,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 2 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:07,840 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 657 transitions.
[2024-12-01 13:14:07,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125
[2024-12-01 13:14:07,844 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:07,844 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:14:07,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-01 13:14:07,844 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 13:14:07,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:07,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1894877470, now seen corresponding path program 1 times
[2024-12-01 13:14:07,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:07,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541215067]
[2024-12-01 13:14:07,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:07,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:08,065 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 13:14:08,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:08,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541215067]
[2024-12-01 13:14:08,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541215067] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 13:14:08,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 13:14:08,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 13:14:08,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544616199]
[2024-12-01 13:14:08,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:14:08,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 13:14:08,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:08,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 13:14:08,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:08,068 INFO L87 Difference]: Start difference. First operand 408 states and 657 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:08,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:08,778 INFO L93 Difference]: Finished difference Result 1193 states and 1931 transitions.
[2024-12-01 13:14:08,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 13:14:08,779 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 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 124
[2024-12-01 13:14:08,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:08,781 INFO L225 Difference]: With dead ends: 1193
[2024-12-01 13:14:08,781 INFO L226 Difference]: Without dead ends: 787
[2024-12-01 13:14:08,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:08,783 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 143 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 559 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:08,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 153 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 559 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-01 13:14:08,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states.
[2024-12-01 13:14:08,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 783.
[2024-12-01 13:14:08,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 783 states, 782 states have (on average 1.4398976982097187) internal successors, (1126), 782 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:08,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1126 transitions.
[2024-12-01 13:14:08,809 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1126 transitions. Word has length 124
[2024-12-01 13:14:08,809 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:08,810 INFO L471 AbstractCegarLoop]: Abstraction has 783 states and 1126 transitions.
[2024-12-01 13:14:08,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1126 transitions.
[2024-12-01 13:14:08,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2024-12-01 13:14:08,812 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:08,812 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-01 13:14:08,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-01 13:14:08,813 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 13:14:08,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:08,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1494454920, now seen corresponding path program 1 times
[2024-12-01 13:14:08,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:08,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939586231]
[2024-12-01 13:14:08,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:08,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:08,989 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 13:14:08,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:08,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939586231]
[2024-12-01 13:14:08,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939586231] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 13:14:08,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 13:14:08,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 13:14:08,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340172265]
[2024-12-01 13:14:08,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:14:08,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 13:14:08,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:08,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 13:14:08,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:08,991 INFO L87 Difference]: Start difference. First operand 783 states and 1126 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:09,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:09,757 INFO L93 Difference]: Finished difference Result 1948 states and 2803 transitions.
[2024-12-01 13:14:09,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 13:14:09,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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 127
[2024-12-01 13:14:09,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:09,761 INFO L225 Difference]: With dead ends: 1948
[2024-12-01 13:14:09,761 INFO L226 Difference]: Without dead ends: 1167
[2024-12-01 13:14:09,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:09,763 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 144 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 522 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:09,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 116 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 522 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-01 13:14:09,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1167 states.
[2024-12-01 13:14:09,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1167 to 1154.
[2024-12-01 13:14:09,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1153 states have (on average 1.3399826539462272) internal successors, (1545), 1153 states have internal predecessors, (1545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:09,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1545 transitions.
[2024-12-01 13:14:09,786 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1545 transitions. Word has length 127
[2024-12-01 13:14:09,786 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:09,786 INFO L471 AbstractCegarLoop]: Abstraction has 1154 states and 1545 transitions.
[2024-12-01 13:14:09,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:09,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1545 transitions.
[2024-12-01 13:14:09,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129
[2024-12-01 13:14:09,788 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:09,789 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-01 13:14:09,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-01 13:14:09,789 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 13:14:09,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:09,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1334026776, now seen corresponding path program 1 times
[2024-12-01 13:14:09,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:09,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284607616]
[2024-12-01 13:14:09,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:09,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:10,052 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 13:14:10,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:10,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284607616]
[2024-12-01 13:14:10,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284607616] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 13:14:10,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 13:14:10,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 13:14:10,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408135447]
[2024-12-01 13:14:10,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:14:10,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 13:14:10,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:10,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 13:14:10,055 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:10,055 INFO L87 Difference]: Start difference. First operand 1154 states and 1545 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:10,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:10,860 INFO L93 Difference]: Finished difference Result 2676 states and 3531 transitions.
[2024-12-01 13:14:10,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 13:14:10,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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 128
[2024-12-01 13:14:10,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:10,864 INFO L225 Difference]: With dead ends: 2676
[2024-12-01 13:14:10,864 INFO L226 Difference]: Without dead ends: 1524
[2024-12-01 13:14:10,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:10,866 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 120 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:10,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 189 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-01 13:14:10,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1524 states.
[2024-12-01 13:14:10,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1524 to 1523.
[2024-12-01 13:14:10,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1523 states, 1522 states have (on average 1.269382391590013) internal successors, (1932), 1522 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:10,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1932 transitions.
[2024-12-01 13:14:10,887 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1932 transitions. Word has length 128
[2024-12-01 13:14:10,887 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:10,887 INFO L471 AbstractCegarLoop]: Abstraction has 1523 states and 1932 transitions.
[2024-12-01 13:14:10,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:10,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1932 transitions.
[2024-12-01 13:14:10,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-12-01 13:14:10,890 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:10,890 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-01 13:14:10,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-01 13:14:10,890 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 13:14:10,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:10,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1749899371, now seen corresponding path program 1 times
[2024-12-01 13:14:10,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:10,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892627044]
[2024-12-01 13:14:10,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:10,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:11,014 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 13:14:11,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:11,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892627044]
[2024-12-01 13:14:11,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892627044] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 13:14:11,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 13:14:11,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-01 13:14:11,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534852127]
[2024-12-01 13:14:11,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:14:11,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 13:14:11,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:11,016 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 13:14:11,016 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:11,016 INFO L87 Difference]: Start difference. First operand 1523 states and 1932 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:11,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:11,832 INFO L93 Difference]: Finished difference Result 3968 states and 5154 transitions.
[2024-12-01 13:14:11,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 13:14:11,832 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 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 186
[2024-12-01 13:14:11,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:11,840 INFO L225 Difference]: With dead ends: 3968
[2024-12-01 13:14:11,840 INFO L226 Difference]: Without dead ends: 2631
[2024-12-01 13:14:11,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:11,842 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 115 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 448 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:11,842 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 154 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 448 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-01 13:14:11,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2631 states.
[2024-12-01 13:14:11,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2631 to 2631.
[2024-12-01 13:14:11,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2631 states, 2630 states have (on average 1.2133079847908745) internal successors, (3191), 2630 states have internal predecessors, (3191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:11,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2631 states and 3191 transitions.
[2024-12-01 13:14:11,884 INFO L78 Accepts]: Start accepts. Automaton has 2631 states and 3191 transitions. Word has length 186
[2024-12-01 13:14:11,884 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:11,884 INFO L471 AbstractCegarLoop]: Abstraction has 2631 states and 3191 transitions.
[2024-12-01 13:14:11,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:11,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 3191 transitions.
[2024-12-01 13:14:11,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203
[2024-12-01 13:14:11,887 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:11,887 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-12-01 13:14:11,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-01 13:14:11,888 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 13:14:11,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:11,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1893767947, now seen corresponding path program 1 times
[2024-12-01 13:14:11,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:11,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677512623]
[2024-12-01 13:14:11,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:11,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:12,167 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 13:14:12,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:12,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677512623]
[2024-12-01 13:14:12,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677512623] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 13:14:12,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 13:14:12,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 13:14:12,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47272538]
[2024-12-01 13:14:12,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:14:12,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 13:14:12,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:12,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 13:14:12,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 13:14:12,170 INFO L87 Difference]: Start difference. First operand 2631 states and 3191 transitions. Second operand has 4 states, 4 states have (on average 50.5) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:13,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:13,713 INFO L93 Difference]: Finished difference Result 7118 states and 8850 transitions.
[2024-12-01 13:14:13,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 13:14:13,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 3 states have internal predecessors, (202), 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 202
[2024-12-01 13:14:13,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:13,722 INFO L225 Difference]: With dead ends: 7118
[2024-12-01 13:14:13,722 INFO L226 Difference]: Without dead ends: 4673
[2024-12-01 13:14:13,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 13:14:13,726 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 245 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 1392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:13,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 79 Invalid, 1392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-12-01 13:14:13,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4673 states.
[2024-12-01 13:14:13,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4673 to 4295.
[2024-12-01 13:14:13,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4295 states, 4294 states have (on average 1.231020027945971) internal successors, (5286), 4294 states have internal predecessors, (5286), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4295 states to 4295 states and 5286 transitions.
[2024-12-01 13:14:13,791 INFO L78 Accepts]: Start accepts. Automaton has 4295 states and 5286 transitions. Word has length 202
[2024-12-01 13:14:13,792 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:13,792 INFO L471 AbstractCegarLoop]: Abstraction has 4295 states and 5286 transitions.
[2024-12-01 13:14:13,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 50.5) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:13,792 INFO L276 IsEmpty]: Start isEmpty. Operand 4295 states and 5286 transitions.
[2024-12-01 13:14:13,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240
[2024-12-01 13:14:13,795 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:13,795 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:14:13,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-01 13:14:13,796 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 13:14:13,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:13,796 INFO L85 PathProgramCache]: Analyzing trace with hash -878115989, now seen corresponding path program 1 times
[2024-12-01 13:14:13,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:13,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938842571]
[2024-12-01 13:14:13,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:13,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 13:14:14,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:14,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938842571]
[2024-12-01 13:14:14,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938842571] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 13:14:14,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 13:14:14,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 13:14:14,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632385632]
[2024-12-01 13:14:14,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:14:14,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 13:14:14,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:14,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 13:14:14,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:14,009 INFO L87 Difference]: Start difference. First operand 4295 states and 5286 transitions. Second operand has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:14,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:14,856 INFO L93 Difference]: Finished difference Result 9519 states and 11889 transitions.
[2024-12-01 13:14:14,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 13:14:14,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 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 239
[2024-12-01 13:14:14,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:14,872 INFO L225 Difference]: With dead ends: 9519
[2024-12-01 13:14:14,872 INFO L226 Difference]: Without dead ends: 5594
[2024-12-01 13:14:14,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:14,877 INFO L435 NwaCegarLoop]: 311 mSDtfsCounter, 135 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:14,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 331 Invalid, 637 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-01 13:14:14,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5594 states.
[2024-12-01 13:14:14,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5594 to 5399.
[2024-12-01 13:14:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5399 states, 5398 states have (on average 1.2182289736939607) internal successors, (6576), 5398 states have internal predecessors, (6576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:14,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 6576 transitions.
[2024-12-01 13:14:14,984 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 6576 transitions. Word has length 239
[2024-12-01 13:14:14,984 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:14,985 INFO L471 AbstractCegarLoop]: Abstraction has 5399 states and 6576 transitions.
[2024-12-01 13:14:14,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.66666666666667) internal successors, (239), 3 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 6576 transitions.
[2024-12-01 13:14:14,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241
[2024-12-01 13:14:14,989 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:14,989 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:14:14,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-01 13:14:14,989 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 13:14:14,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:14,990 INFO L85 PathProgramCache]: Analyzing trace with hash -1869280923, now seen corresponding path program 1 times
[2024-12-01 13:14:14,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:14,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143757718]
[2024-12-01 13:14:14,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:14,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:15,233 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked.
[2024-12-01 13:14:15,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:15,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143757718]
[2024-12-01 13:14:15,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143757718] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 13:14:15,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 13:14:15,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 13:14:15,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585314561]
[2024-12-01 13:14:15,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:14:15,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 13:14:15,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:15,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 13:14:15,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:15,235 INFO L87 Difference]: Start difference. First operand 5399 states and 6576 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:16,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:16,170 INFO L93 Difference]: Finished difference Result 14317 states and 17683 transitions.
[2024-12-01 13:14:16,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 13:14:16,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 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 240
[2024-12-01 13:14:16,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:16,220 INFO L225 Difference]: With dead ends: 14317
[2024-12-01 13:14:16,220 INFO L226 Difference]: Without dead ends: 9288
[2024-12-01 13:14:16,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:16,226 INFO L435 NwaCegarLoop]: 307 mSDtfsCounter, 167 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:16,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 331 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-01 13:14:16,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9288 states.
[2024-12-01 13:14:16,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9288 to 8184.
[2024-12-01 13:14:16,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8184 states, 8183 states have (on average 1.2134913845777833) internal successors, (9930), 8183 states have internal predecessors, (9930), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:16,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8184 states to 8184 states and 9930 transitions.
[2024-12-01 13:14:16,374 INFO L78 Accepts]: Start accepts. Automaton has 8184 states and 9930 transitions. Word has length 240
[2024-12-01 13:14:16,375 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:16,375 INFO L471 AbstractCegarLoop]: Abstraction has 8184 states and 9930 transitions.
[2024-12-01 13:14:16,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:16,375 INFO L276 IsEmpty]: Start isEmpty. Operand 8184 states and 9930 transitions.
[2024-12-01 13:14:16,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262
[2024-12-01 13:14:16,380 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:16,380 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:14:16,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-01 13:14:16,380 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 13:14:16,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:16,381 INFO L85 PathProgramCache]: Analyzing trace with hash -2080681397, now seen corresponding path program 1 times
[2024-12-01 13:14:16,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:16,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919126310]
[2024-12-01 13:14:16,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:16,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:16,873 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 13:14:16,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:16,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919126310]
[2024-12-01 13:14:16,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919126310] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 13:14:16,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 13:14:16,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 13:14:16,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106902877]
[2024-12-01 13:14:16,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:14:16,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-01 13:14:16,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:16,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-01 13:14:16,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 13:14:16,875 INFO L87 Difference]: Start difference. First operand 8184 states and 9930 transitions. Second operand has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:18,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:18,167 INFO L93 Difference]: Finished difference Result 17850 states and 21799 transitions.
[2024-12-01 13:14:18,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-01 13:14:18,168 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 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 261
[2024-12-01 13:14:18,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:18,186 INFO L225 Difference]: With dead ends: 17850
[2024-12-01 13:14:18,186 INFO L226 Difference]: Without dead ends: 10036
[2024-12-01 13:14:18,193 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-01 13:14:18,194 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 230 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1114 mSolverCounterSat, 232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 232 IncrementalHoareTripleChecker+Valid, 1114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:18,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 144 Invalid, 1346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [232 Valid, 1114 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-12-01 13:14:18,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10036 states.
[2024-12-01 13:14:18,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10036 to 9658.
[2024-12-01 13:14:18,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9658 states, 9657 states have (on average 1.2026509267888579) internal successors, (11614), 9657 states have internal predecessors, (11614), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:18,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9658 states to 9658 states and 11614 transitions.
[2024-12-01 13:14:18,306 INFO L78 Accepts]: Start accepts. Automaton has 9658 states and 11614 transitions. Word has length 261
[2024-12-01 13:14:18,307 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:18,307 INFO L471 AbstractCegarLoop]: Abstraction has 9658 states and 11614 transitions.
[2024-12-01 13:14:18,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 65.25) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:18,307 INFO L276 IsEmpty]: Start isEmpty. Operand 9658 states and 11614 transitions.
[2024-12-01 13:14:18,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314
[2024-12-01 13:14:18,312 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:18,313 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:14:18,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-01 13:14:18,313 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 13:14:18,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:18,313 INFO L85 PathProgramCache]: Analyzing trace with hash -2113401050, now seen corresponding path program 1 times
[2024-12-01 13:14:18,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:18,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159669529]
[2024-12-01 13:14:18,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:18,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:18,839 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 128 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 13:14:18,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:18,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159669529]
[2024-12-01 13:14:18,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159669529] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-01 13:14:18,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960442000]
[2024-12-01 13:14:18,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:18,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-01 13:14:18,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-01 13:14:18,842 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-01 13:14:18,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-01 13:14:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:18,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-01 13:14:18,999 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-01 13:14:19,229 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 128 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-01 13:14:19,230 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-01 13:14:19,394 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2024-12-01 13:14:19,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960442000] provided 1 perfect and 1 imperfect interpolant sequences
[2024-12-01 13:14:19,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2024-12-01 13:14:19,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 5
[2024-12-01 13:14:19,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809621464]
[2024-12-01 13:14:19,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:14:19,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 13:14:19,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:19,396 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 13:14:19,396 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-01 13:14:19,396 INFO L87 Difference]: Start difference. First operand 9658 states and 11614 transitions. Second operand has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:20,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:20,267 INFO L93 Difference]: Finished difference Result 18385 states and 22011 transitions.
[2024-12-01 13:14:20,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 13:14:20,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 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 313
[2024-12-01 13:14:20,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:20,285 INFO L225 Difference]: With dead ends: 18385
[2024-12-01 13:14:20,285 INFO L226 Difference]: Without dead ends: 9097
[2024-12-01 13:14:20,293 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 625 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-01 13:14:20,294 INFO L435 NwaCegarLoop]: 294 mSDtfsCounter, 161 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:20,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 308 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-01 13:14:20,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9097 states.
[2024-12-01 13:14:20,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9097 to 8358.
[2024-12-01 13:14:20,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8358 states, 8357 states have (on average 1.1808065095129832) internal successors, (9868), 8357 states have internal predecessors, (9868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:20,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8358 states to 8358 states and 9868 transitions.
[2024-12-01 13:14:20,424 INFO L78 Accepts]: Start accepts. Automaton has 8358 states and 9868 transitions. Word has length 313
[2024-12-01 13:14:20,425 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:20,425 INFO L471 AbstractCegarLoop]: Abstraction has 8358 states and 9868 transitions.
[2024-12-01 13:14:20,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.66666666666667) internal successors, (242), 3 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:20,426 INFO L276 IsEmpty]: Start isEmpty. Operand 8358 states and 9868 transitions.
[2024-12-01 13:14:20,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382
[2024-12-01 13:14:20,441 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:20,441 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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]
[2024-12-01 13:14:20,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-01 13:14:20,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-12-01 13:14:20,642 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 13:14:20,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:20,643 INFO L85 PathProgramCache]: Analyzing trace with hash 658760884, now seen corresponding path program 1 times
[2024-12-01 13:14:20,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:20,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737721726]
[2024-12-01 13:14:20,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:20,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:21,069 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked.
[2024-12-01 13:14:21,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:21,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737721726]
[2024-12-01 13:14:21,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737721726] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 13:14:21,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 13:14:21,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 13:14:21,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564317042]
[2024-12-01 13:14:21,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:14:21,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 13:14:21,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:21,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 13:14:21,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:21,071 INFO L87 Difference]: Start difference. First operand 8358 states and 9868 transitions. Second operand has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:21,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:21,826 INFO L93 Difference]: Finished difference Result 17639 states and 20898 transitions.
[2024-12-01 13:14:21,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 13:14:21,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 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 381
[2024-12-01 13:14:21,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:21,860 INFO L225 Difference]: With dead ends: 17639
[2024-12-01 13:14:21,860 INFO L226 Difference]: Without dead ends: 9467
[2024-12-01 13:14:21,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:21,865 INFO L435 NwaCegarLoop]: 339 mSDtfsCounter, 107 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:21,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 361 Invalid, 655 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-01 13:14:21,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9467 states.
[2024-12-01 13:14:21,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9467 to 9278.
[2024-12-01 13:14:21,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9278 states, 9277 states have (on average 1.1745176242319715) internal successors, (10896), 9277 states have internal predecessors, (10896), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:21,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9278 states to 9278 states and 10896 transitions.
[2024-12-01 13:14:21,985 INFO L78 Accepts]: Start accepts. Automaton has 9278 states and 10896 transitions. Word has length 381
[2024-12-01 13:14:21,985 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:21,985 INFO L471 AbstractCegarLoop]: Abstraction has 9278 states and 10896 transitions.
[2024-12-01 13:14:21,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.33333333333333) internal successors, (280), 3 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:21,986 INFO L276 IsEmpty]: Start isEmpty. Operand 9278 states and 10896 transitions.
[2024-12-01 13:14:21,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387
[2024-12-01 13:14:21,992 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:21,993 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 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]
[2024-12-01 13:14:21,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-12-01 13:14:21,993 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 13:14:21,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:21,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1793054198, now seen corresponding path program 1 times
[2024-12-01 13:14:21,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:21,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75197819]
[2024-12-01 13:14:21,994 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:21,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:22,272 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked.
[2024-12-01 13:14:22,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:22,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75197819]
[2024-12-01 13:14:22,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75197819] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 13:14:22,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 13:14:22,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 13:14:22,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77621852]
[2024-12-01 13:14:22,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:14:22,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 13:14:22,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:22,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 13:14:22,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:22,274 INFO L87 Difference]: Start difference. First operand 9278 states and 10896 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:23,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:23,008 INFO L93 Difference]: Finished difference Result 19840 states and 23280 transitions.
[2024-12-01 13:14:23,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 13:14:23,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 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 386
[2024-12-01 13:14:23,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:23,018 INFO L225 Difference]: With dead ends: 19840
[2024-12-01 13:14:23,018 INFO L226 Difference]: Without dead ends: 10934
[2024-12-01 13:14:23,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:23,022 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 162 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 564 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:23,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 317 Invalid, 650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 564 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-01 13:14:23,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10934 states.
[2024-12-01 13:14:23,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10934 to 7785.
[2024-12-01 13:14:23,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7785 states, 7784 states have (on average 1.1379753340184995) internal successors, (8858), 7784 states have internal predecessors, (8858), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:23,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7785 states to 7785 states and 8858 transitions.
[2024-12-01 13:14:23,092 INFO L78 Accepts]: Start accepts. Automaton has 7785 states and 8858 transitions. Word has length 386
[2024-12-01 13:14:23,092 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:23,092 INFO L471 AbstractCegarLoop]: Abstraction has 7785 states and 8858 transitions.
[2024-12-01 13:14:23,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:23,093 INFO L276 IsEmpty]: Start isEmpty. Operand 7785 states and 8858 transitions.
[2024-12-01 13:14:23,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402
[2024-12-01 13:14:23,097 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:23,097 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:14:23,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-01 13:14:23,098 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 13:14:23,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:23,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1378379559, now seen corresponding path program 1 times
[2024-12-01 13:14:23,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:23,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445734252]
[2024-12-01 13:14:23,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:23,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:23,455 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.
[2024-12-01 13:14:23,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:23,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445734252]
[2024-12-01 13:14:23,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445734252] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 13:14:23,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 13:14:23,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 13:14:23,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155237496]
[2024-12-01 13:14:23,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:14:23,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 13:14:23,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:23,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 13:14:23,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:23,458 INFO L87 Difference]: Start difference. First operand 7785 states and 8858 transitions. Second operand has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:24,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:24,176 INFO L93 Difference]: Finished difference Result 17417 states and 19899 transitions.
[2024-12-01 13:14:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 13:14:24,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 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 401
[2024-12-01 13:14:24,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:24,186 INFO L225 Difference]: With dead ends: 17417
[2024-12-01 13:14:24,186 INFO L226 Difference]: Without dead ends: 10004
[2024-12-01 13:14:24,190 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:24,191 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 142 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:24,191 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 132 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-01 13:14:24,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10004 states.
[2024-12-01 13:14:24,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10004 to 9634.
[2024-12-01 13:14:24,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9634 states, 9633 states have (on average 1.1337070486868057) internal successors, (10921), 9633 states have internal predecessors, (10921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:24,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9634 states to 9634 states and 10921 transitions.
[2024-12-01 13:14:24,291 INFO L78 Accepts]: Start accepts. Automaton has 9634 states and 10921 transitions. Word has length 401
[2024-12-01 13:14:24,291 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:24,291 INFO L471 AbstractCegarLoop]: Abstraction has 9634 states and 10921 transitions.
[2024-12-01 13:14:24,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.0) internal successors, (345), 3 states have internal predecessors, (345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:24,291 INFO L276 IsEmpty]: Start isEmpty. Operand 9634 states and 10921 transitions.
[2024-12-01 13:14:24,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412
[2024-12-01 13:14:24,300 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-01 13:14:24,301 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:14:24,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-12-01 13:14:24,301 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-01 13:14:24,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-01 13:14:24,302 INFO L85 PathProgramCache]: Analyzing trace with hash -384632590, now seen corresponding path program 1 times
[2024-12-01 13:14:24,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-01 13:14:24,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269125866]
[2024-12-01 13:14:24,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-01 13:14:24,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-01 13:14:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-01 13:14:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked.
[2024-12-01 13:14:24,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-01 13:14:24,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269125866]
[2024-12-01 13:14:24,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269125866] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-01 13:14:24,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-01 13:14:24,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-01 13:14:24,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18221080]
[2024-12-01 13:14:24,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-01 13:14:24,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-01 13:14:24,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-01 13:14:24,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-01 13:14:24,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:24,938 INFO L87 Difference]: Start difference. First operand 9634 states and 10921 transitions. Second operand has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:25,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-01 13:14:25,667 INFO L93 Difference]: Finished difference Result 20182 states and 22883 transitions.
[2024-12-01 13:14:25,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-01 13:14:25,668 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 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 411
[2024-12-01 13:14:25,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-01 13:14:25,669 INFO L225 Difference]: With dead ends: 20182
[2024-12-01 13:14:25,669 INFO L226 Difference]: Without dead ends: 0
[2024-12-01 13:14:25,676 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-01 13:14:25,676 INFO L435 NwaCegarLoop]: 296 mSDtfsCounter, 164 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-01 13:14:25,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 312 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-01 13:14:25,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-01 13:14:25,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-01 13:14:25,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:25,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-01 13:14:25,678 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 411
[2024-12-01 13:14:25,678 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-01 13:14:25,678 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-01 13:14:25,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.0) internal successors, (210), 3 states have internal predecessors, (210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-01 13:14:25,678 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-01 13:14:25,678 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-01 13:14:25,680 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-01 13:14:25,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-12-01 13:14:25,683 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-01 13:14:25,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-01 13:14:26,420 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-01 13:14:26,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 01:14:26 BoogieIcfgContainer
[2024-12-01 13:14:26,434 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-01 13:14:26,435 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-01 13:14:26,435 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-01 13:14:26,435 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-01 13:14:26,436 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:14:06" (3/4) ...
[2024-12-01 13:14:26,438 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-01 13:14:26,454 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-12-01 13:14:26,455 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-01 13:14:26,456 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-01 13:14:26,456 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-01 13:14:26,583 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-01 13:14:26,583 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-01 13:14:26,583 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-01 13:14:26,584 INFO L158 Benchmark]: Toolchain (without parser) took 23092.75ms. Allocated memory was 142.6MB in the beginning and 620.8MB in the end (delta: 478.2MB). Free memory was 113.7MB in the beginning and 243.0MB in the end (delta: -129.3MB). Peak memory consumption was 351.3MB. Max. memory is 16.1GB.
[2024-12-01 13:14:26,584 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-01 13:14:26,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 587.60ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 71.1MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
[2024-12-01 13:14:26,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.12ms. Allocated memory is still 142.6MB. Free memory was 71.1MB in the beginning and 54.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-01 13:14:26,585 INFO L158 Benchmark]: Boogie Preprocessor took 153.02ms. Allocated memory is still 142.6MB. Free memory was 54.3MB in the beginning and 83.8MB in the end (delta: -29.4MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB.
[2024-12-01 13:14:26,585 INFO L158 Benchmark]: RCFGBuilder took 1732.62ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 83.8MB in the beginning and 209.9MB in the end (delta: -126.2MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB.
[2024-12-01 13:14:26,585 INFO L158 Benchmark]: TraceAbstraction took 20362.04ms. Allocated memory was 318.8MB in the beginning and 620.8MB in the end (delta: 302.0MB). Free memory was 209.9MB in the beginning and 259.5MB in the end (delta: -49.6MB). Peak memory consumption was 297.5MB. Max. memory is 16.1GB.
[2024-12-01 13:14:26,586 INFO L158 Benchmark]: Witness Printer took 148.53ms. Allocated memory is still 620.8MB. Free memory was 259.5MB in the beginning and 243.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-01 13:14:26,587 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 587.60ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 71.1MB in the end (delta: 42.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 102.12ms. Allocated memory is still 142.6MB. Free memory was 71.1MB in the beginning and 54.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 153.02ms. Allocated memory is still 142.6MB. Free memory was 54.3MB in the beginning and 83.8MB in the end (delta: -29.4MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 1732.62ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 83.8MB in the beginning and 209.9MB in the end (delta: -126.2MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 20362.04ms. Allocated memory was 318.8MB in the beginning and 620.8MB in the end (delta: 302.0MB). Free memory was 209.9MB in the beginning and 259.5MB in the end (delta: -49.6MB). Peak memory consumption was 297.5MB. Max. memory is 16.1GB.
* Witness Printer took 148.53ms. Allocated memory is still 620.8MB. Free memory was 259.5MB in the beginning and 243.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 193]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 283 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.5s, OverallIterations: 14, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2249 SdHoareTripleChecker+Valid, 11.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2249 mSDsluCounter, 3016 SdHoareTripleChecker+Invalid, 9.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 318 mSDsCounter, 1861 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8798 IncrementalHoareTripleChecker+Invalid, 10659 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1861 mSolverCounterUnsat, 2698 mSDtfsCounter, 8798 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 662 GetRequests, 644 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9658occurred in iteration=9, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 6528 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 3771 NumberOfCodeBlocks, 3771 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 4068 ConstructedInterpolants, 0 QuantifiedInterpolants, 7382 SizeOfPredicates, 1 NumberOfNonLiveVariables, 419 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 3066/3180 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 1044]: Loop Invariant
Derived loop invariant: ((((((((((a23 <= 266) && (a4 == 1)) || ((a25 == 12) && (141 <= a29))) || ((260 <= a29) && (a23 <= 137))) || ((141 <= a29) && (a4 == 1))) || ((a25 == 10) && (a29 <= 130))) || ((a23 <= 138) && (a29 <= 220))) || ((a25 == 12) && (a29 <= 130))) || ((10 <= a25) && (a23 <= 138))) || ((10 <= a25) && (a4 == 1)))
RESULT: Ultimate proved your program to be correct!
[2024-12-01 13:14:26,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59f02915-d2f2-4755-ba21-cf45a4183471/bin/uautomizer-verify-84ZbGMXZE1/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