./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-22.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-22.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9851c0f9ab930af20c037ab1e499f4c9a2b58cea1e3329cd85ff2166a0e5d289
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:54:32,140 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:54:32,257 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-23 23:54:32,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:54:32,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:54:32,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:54:32,309 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:54:32,310 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:54:32,310 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:54:32,311 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:54:32,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:54:32,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:54:32,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:54:32,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:54:32,314 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:54:32,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:54:32,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 23:54:32,314 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:54:32,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:54:32,314 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:54:32,315 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:54:32,315 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 23:54:32,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:54:32,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 23:54:32,315 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:54:32,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:54:32,316 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:54:32,316 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:54:32,316 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:54:32,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:54:32,317 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:54:32,317 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:54:32,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:54:32,317 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:54:32,317 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:54:32,317 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:54:32,318 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:54:32,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:54:32,318 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:54:32,318 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:54:32,318 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 23:54:32,318 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 23:54:32,318 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 23:54:32,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 23:54:32,319 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:54:32,319 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:54:32,319 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:54:32,319 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:54:32,319 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_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9851c0f9ab930af20c037ab1e499f4c9a2b58cea1e3329cd85ff2166a0e5d289
[2024-11-23 23:54:32,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:54:32,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:54:32,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:54:32,699 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:54:32,699 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:54:32,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-22.i
[2024-11-23 23:54:36,375 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/data/30296044e/99e2f16423494a83a3f8230cccf3b5e8/FLAG2c2ff2ff3
[2024-11-23 23:54:36,780 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:54:36,780 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-22.i
[2024-11-23 23:54:36,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/data/30296044e/99e2f16423494a83a3f8230cccf3b5e8/FLAG2c2ff2ff3
[2024-11-23 23:54:36,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/data/30296044e/99e2f16423494a83a3f8230cccf3b5e8
[2024-11-23 23:54:36,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:54:36,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:54:36,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:54:36,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:54:36,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:54:36,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:54:36" (1/1) ...
[2024-11-23 23:54:36,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659a3752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:36, skipping insertion in model container
[2024-11-23 23:54:36,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:54:36" (1/1) ...
[2024-11-23 23:54:36,856 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:54:37,082 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_54e21925-5829-4726-9d02-25ebe5f87dfa/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-22.i[915,928]
[2024-11-23 23:54:37,138 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:54:37,151 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:54:37,165 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_54e21925-5829-4726-9d02-25ebe5f87dfa/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-22.i[915,928]
[2024-11-23 23:54:37,191 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:54:37,209 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:54:37,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:37 WrapperNode
[2024-11-23 23:54:37,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:54:37,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:54:37,212 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:54:37,212 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:54:37,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:37" (1/1) ...
[2024-11-23 23:54:37,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:37" (1/1) ...
[2024-11-23 23:54:37,260 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 111
[2024-11-23 23:54:37,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:54:37,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:54:37,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:54:37,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:54:37,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:37" (1/1) ...
[2024-11-23 23:54:37,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:37" (1/1) ...
[2024-11-23 23:54:37,277 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:37" (1/1) ...
[2024-11-23 23:54:37,292 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-23 23:54:37,292 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:37" (1/1) ...
[2024-11-23 23:54:37,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:37" (1/1) ...
[2024-11-23 23:54:37,300 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:37" (1/1) ...
[2024-11-23 23:54:37,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:37" (1/1) ...
[2024-11-23 23:54:37,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:37" (1/1) ...
[2024-11-23 23:54:37,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:37" (1/1) ...
[2024-11-23 23:54:37,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:37" (1/1) ...
[2024-11-23 23:54:37,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:54:37,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:54:37,312 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:54:37,312 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:54:37,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:37" (1/1) ...
[2024-11-23 23:54:37,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:54:37,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:54:37,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:54:37,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:54:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:54:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-23 23:54:37,399 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-23 23:54:37,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 23:54:37,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:54:37,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:54:37,502 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:54:37,506 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:54:37,977 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live.
[2024-11-23 23:54:37,977 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:54:37,994 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:54:37,995 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-23 23:54:37,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:54:37 BoogieIcfgContainer
[2024-11-23 23:54:37,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:54:37,999 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:54:38,002 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:54:38,008 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:54:38,008 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:54:36" (1/3) ...
[2024-11-23 23:54:38,009 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ebb086f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:54:38, skipping insertion in model container
[2024-11-23 23:54:38,009 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:54:37" (2/3) ...
[2024-11-23 23:54:38,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ebb086f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:54:38, skipping insertion in model container
[2024-11-23 23:54:38,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:54:37" (3/3) ...
[2024-11-23 23:54:38,012 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-22.i
[2024-11-23 23:54:38,033 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:54:38,035 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-22.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-23 23:54:38,117 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:54:38,136 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;@6ac223cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:54:38,137 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-23 23:54:38,142 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-23 23:54:38,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2024-11-23 23:54:38,156 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:54:38,157 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:54:38,157 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:54:38,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:54:38,166 INFO L85 PathProgramCache]: Analyzing trace with hash 450580461, now seen corresponding path program 1 times
[2024-11-23 23:54:38,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:54:38,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518457236]
[2024-11-23 23:54:38,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:54:38,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:54:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:54:38,527 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2024-11-23 23:54:38,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:54:38,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518457236]
[2024-11-23 23:54:38,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518457236] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:54:38,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635628098]
[2024-11-23 23:54:38,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:54:38,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:54:38,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:54:38,539 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:54:38,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-23 23:54:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:54:38,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-23 23:54:38,742 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:54:38,762 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2024-11-23 23:54:38,762 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 23:54:38,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635628098] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:54:38,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 23:54:38,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-23 23:54:38,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939328668]
[2024-11-23 23:54:38,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:54:38,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-23 23:54:38,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:54:38,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-23 23:54:38,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:54:38,801 INFO L87 Difference]: Start difference. First operand has 49 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7)
[2024-11-23 23:54:38,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:54:38,833 INFO L93 Difference]: Finished difference Result 93 states and 140 transitions.
[2024-11-23 23:54:38,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 23:54:38,835 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 59
[2024-11-23 23:54:38,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:54:38,843 INFO L225 Difference]: With dead ends: 93
[2024-11-23 23:54:38,844 INFO L226 Difference]: Without dead ends: 43
[2024-11-23 23:54:38,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:54:38,852 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:54:38,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:54:38,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2024-11-23 23:54:38,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43.
[2024-11-23 23:54:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-23 23:54:38,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 57 transitions.
[2024-11-23 23:54:38,900 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 57 transitions. Word has length 59
[2024-11-23 23:54:38,900 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:54:38,901 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 57 transitions.
[2024-11-23 23:54:38,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7)
[2024-11-23 23:54:38,901 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions.
[2024-11-23 23:54:38,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2024-11-23 23:54:38,904 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:54:38,905 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:54:38,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-23 23:54:39,106 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-23 23:54:39,106 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:54:39,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:54:39,107 INFO L85 PathProgramCache]: Analyzing trace with hash -2098121227, now seen corresponding path program 1 times
[2024-11-23 23:54:39,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:54:39,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006037016]
[2024-11-23 23:54:39,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:54:39,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:54:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:54:40,339 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-23 23:54:40,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:54:40,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006037016]
[2024-11-23 23:54:40,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006037016] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:54:40,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:54:40,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:54:40,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350288060]
[2024-11-23 23:54:40,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:54:40,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:54:40,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:54:40,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:54:40,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:54:40,347 INFO L87 Difference]: Start difference. First operand 43 states and 57 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:40,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:54:40,749 INFO L93 Difference]: Finished difference Result 146 states and 194 transitions.
[2024-11-23 23:54:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:54:40,750 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 59
[2024-11-23 23:54:40,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:54:40,752 INFO L225 Difference]: With dead ends: 146
[2024-11-23 23:54:40,754 INFO L226 Difference]: Without dead ends: 106
[2024-11-23 23:54:40,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-11-23 23:54:40,756 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 87 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-23 23:54:40,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 166 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-23 23:54:40,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2024-11-23 23:54:40,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 74.
[2024-11-23 23:54:40,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 57 states have (on average 1.2456140350877194) internal successors, (71), 57 states have internal predecessors, (71), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-23 23:54:40,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 99 transitions.
[2024-11-23 23:54:40,792 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 99 transitions. Word has length 59
[2024-11-23 23:54:40,794 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:54:40,794 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 99 transitions.
[2024-11-23 23:54:40,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:40,794 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 99 transitions.
[2024-11-23 23:54:40,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2024-11-23 23:54:40,798 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:54:40,798 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:54:40,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 23:54:40,801 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:54:40,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:54:40,802 INFO L85 PathProgramCache]: Analyzing trace with hash -297851294, now seen corresponding path program 1 times
[2024-11-23 23:54:40,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:54:40,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406936179]
[2024-11-23 23:54:40,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:54:40,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:54:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:54:41,245 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-23 23:54:41,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:54:41,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406936179]
[2024-11-23 23:54:41,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406936179] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:54:41,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:54:41,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 23:54:41,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680698739]
[2024-11-23 23:54:41,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:54:41,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 23:54:41,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:54:41,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 23:54:41,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 23:54:41,247 INFO L87 Difference]: Start difference. First operand 74 states and 99 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:41,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:54:41,484 INFO L93 Difference]: Finished difference Result 140 states and 188 transitions.
[2024-11-23 23:54:41,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 23:54:41,486 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 60
[2024-11-23 23:54:41,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:54:41,488 INFO L225 Difference]: With dead ends: 140
[2024-11-23 23:54:41,488 INFO L226 Difference]: Without dead ends: 89
[2024-11-23 23:54:41,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:54:41,492 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 55 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-23 23:54:41,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 150 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-23 23:54:41,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states.
[2024-11-23 23:54:41,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 63.
[2024-11-23 23:54:41,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 46 states have (on average 1.1956521739130435) internal successors, (55), 46 states have internal predecessors, (55), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-23 23:54:41,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 83 transitions.
[2024-11-23 23:54:41,532 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 83 transitions. Word has length 60
[2024-11-23 23:54:41,532 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:54:41,533 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 83 transitions.
[2024-11-23 23:54:41,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:41,533 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions.
[2024-11-23 23:54:41,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2024-11-23 23:54:41,534 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:54:41,534 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:54:41,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 23:54:41,536 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:54:41,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:54:41,538 INFO L85 PathProgramCache]: Analyzing trace with hash -100006378, now seen corresponding path program 1 times
[2024-11-23 23:54:41,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:54:41,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044580550]
[2024-11-23 23:54:41,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:54:41,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:54:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:54:42,200 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-23 23:54:42,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:54:42,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044580550]
[2024-11-23 23:54:42,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044580550] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:54:42,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:54:42,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 23:54:42,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952684281]
[2024-11-23 23:54:42,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:54:42,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 23:54:42,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:54:42,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 23:54:42,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:54:42,206 INFO L87 Difference]: Start difference. First operand 63 states and 83 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:42,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:54:42,610 INFO L93 Difference]: Finished difference Result 200 states and 262 transitions.
[2024-11-23 23:54:42,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:54:42,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 60
[2024-11-23 23:54:42,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:54:42,614 INFO L225 Difference]: With dead ends: 200
[2024-11-23 23:54:42,616 INFO L226 Difference]: Without dead ends: 160
[2024-11-23 23:54:42,617 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-11-23 23:54:42,618 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 103 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-23 23:54:42,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 218 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-23 23:54:42,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states.
[2024-11-23 23:54:42,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 120.
[2024-11-23 23:54:42,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 95 states have (on average 1.2526315789473683) internal successors, (119), 95 states have internal predecessors, (119), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2024-11-23 23:54:42,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 161 transitions.
[2024-11-23 23:54:42,695 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 161 transitions. Word has length 60
[2024-11-23 23:54:42,695 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:54:42,695 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 161 transitions.
[2024-11-23 23:54:42,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:42,696 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 161 transitions.
[2024-11-23 23:54:42,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2024-11-23 23:54:42,697 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:54:42,697 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:54:42,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 23:54:42,698 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:54:42,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:54:42,699 INFO L85 PathProgramCache]: Analyzing trace with hash -686812392, now seen corresponding path program 1 times
[2024-11-23 23:54:42,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:54:42,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031771778]
[2024-11-23 23:54:42,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:54:42,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:54:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:54:42,772 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-23 23:54:42,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:54:42,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031771778]
[2024-11-23 23:54:42,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031771778] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:54:42,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:54:42,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:54:42,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577442287]
[2024-11-23 23:54:42,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:54:42,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:54:42,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:54:42,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:54:42,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:54:42,776 INFO L87 Difference]: Start difference. First operand 120 states and 161 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:42,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:54:42,826 INFO L93 Difference]: Finished difference Result 191 states and 254 transitions.
[2024-11-23 23:54:42,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:54:42,827 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 60
[2024-11-23 23:54:42,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:54:42,830 INFO L225 Difference]: With dead ends: 191
[2024-11-23 23:54:42,830 INFO L226 Difference]: Without dead ends: 151
[2024-11-23 23:54:42,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:54:42,832 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 26 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:54:42,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 119 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:54:42,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states.
[2024-11-23 23:54:42,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 124.
[2024-11-23 23:54:42,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 99 states have (on average 1.2424242424242424) internal successors, (123), 99 states have internal predecessors, (123), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2024-11-23 23:54:42,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 165 transitions.
[2024-11-23 23:54:42,870 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 165 transitions. Word has length 60
[2024-11-23 23:54:42,870 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:54:42,870 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 165 transitions.
[2024-11-23 23:54:42,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:42,871 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 165 transitions.
[2024-11-23 23:54:42,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2024-11-23 23:54:42,872 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:54:42,872 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:54:42,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-23 23:54:42,875 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:54:42,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:54:42,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1514166881, now seen corresponding path program 1 times
[2024-11-23 23:54:42,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:54:42,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828116417]
[2024-11-23 23:54:42,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:54:42,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:54:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:54:46,397 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-23 23:54:46,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:54:46,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828116417]
[2024-11-23 23:54:46,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828116417] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:54:46,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:54:46,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-23 23:54:46,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647133965]
[2024-11-23 23:54:46,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:54:46,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-23 23:54:46,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:54:46,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-23 23:54:46,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2024-11-23 23:54:46,400 INFO L87 Difference]: Start difference. First operand 124 states and 165 transitions. Second operand has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:46,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:54:46,953 INFO L93 Difference]: Finished difference Result 350 states and 461 transitions.
[2024-11-23 23:54:46,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-23 23:54:46,954 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 61
[2024-11-23 23:54:46,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:54:46,956 INFO L225 Difference]: With dead ends: 350
[2024-11-23 23:54:46,956 INFO L226 Difference]: Without dead ends: 249
[2024-11-23 23:54:46,957 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132
[2024-11-23 23:54:46,961 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 193 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-23 23:54:46,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 311 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-23 23:54:46,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states.
[2024-11-23 23:54:47,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 115.
[2024-11-23 23:54:47,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 90 states have (on average 1.211111111111111) internal successors, (109), 90 states have internal predecessors, (109), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2024-11-23 23:54:47,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 151 transitions.
[2024-11-23 23:54:47,014 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 151 transitions. Word has length 61
[2024-11-23 23:54:47,014 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:54:47,014 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 151 transitions.
[2024-11-23 23:54:47,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.625) internal successors, (29), 8 states have internal predecessors, (29), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:47,015 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 151 transitions.
[2024-11-23 23:54:47,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62
[2024-11-23 23:54:47,018 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:54:47,018 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:54:47,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-23 23:54:47,019 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:54:47,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:54:47,022 INFO L85 PathProgramCache]: Analyzing trace with hash 788991161, now seen corresponding path program 1 times
[2024-11-23 23:54:47,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:54:47,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561507559]
[2024-11-23 23:54:47,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:54:47,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:54:47,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:54:47,122 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-23 23:54:47,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:54:47,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561507559]
[2024-11-23 23:54:47,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561507559] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:54:47,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:54:47,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:54:47,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313367276]
[2024-11-23 23:54:47,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:54:47,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:54:47,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:54:47,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:54:47,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:54:47,125 INFO L87 Difference]: Start difference. First operand 115 states and 151 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:47,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:54:47,224 INFO L93 Difference]: Finished difference Result 285 states and 378 transitions.
[2024-11-23 23:54:47,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:54:47,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 61
[2024-11-23 23:54:47,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:54:47,229 INFO L225 Difference]: With dead ends: 285
[2024-11-23 23:54:47,230 INFO L226 Difference]: Without dead ends: 193
[2024-11-23 23:54:47,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:54:47,233 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 28 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-23 23:54:47,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 96 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-23 23:54:47,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states.
[2024-11-23 23:54:47,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 191.
[2024-11-23 23:54:47,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 150 states have (on average 1.2066666666666668) internal successors, (181), 150 states have internal predecessors, (181), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-23 23:54:47,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 251 transitions.
[2024-11-23 23:54:47,279 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 251 transitions. Word has length 61
[2024-11-23 23:54:47,279 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:54:47,280 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 251 transitions.
[2024-11-23 23:54:47,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:47,280 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 251 transitions.
[2024-11-23 23:54:47,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2024-11-23 23:54:47,288 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:54:47,288 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:54:47,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-23 23:54:47,289 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:54:47,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:54:47,289 INFO L85 PathProgramCache]: Analyzing trace with hash -991680482, now seen corresponding path program 1 times
[2024-11-23 23:54:47,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:54:47,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678676263]
[2024-11-23 23:54:47,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:54:47,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:54:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:54:48,517 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-23 23:54:48,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:54:48,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678676263]
[2024-11-23 23:54:48,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678676263] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:54:48,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:54:48,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-23 23:54:48,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144504128]
[2024-11-23 23:54:48,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:54:48,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 23:54:48,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:54:48,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 23:54:48,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-23 23:54:48,521 INFO L87 Difference]: Start difference. First operand 191 states and 251 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:48,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:54:48,972 INFO L93 Difference]: Finished difference Result 352 states and 456 transitions.
[2024-11-23 23:54:48,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:54:48,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 62
[2024-11-23 23:54:48,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:54:48,976 INFO L225 Difference]: With dead ends: 352
[2024-11-23 23:54:48,976 INFO L226 Difference]: Without dead ends: 272
[2024-11-23 23:54:48,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-11-23 23:54:48,978 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 70 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-23 23:54:48,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 199 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-23 23:54:48,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states.
[2024-11-23 23:54:49,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 208.
[2024-11-23 23:54:49,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 167 states have (on average 1.215568862275449) internal successors, (203), 167 states have internal predecessors, (203), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35)
[2024-11-23 23:54:49,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 273 transitions.
[2024-11-23 23:54:49,049 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 273 transitions. Word has length 62
[2024-11-23 23:54:49,049 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:54:49,051 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 273 transitions.
[2024-11-23 23:54:49,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:49,051 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 273 transitions.
[2024-11-23 23:54:49,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2024-11-23 23:54:49,052 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:54:49,052 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:54:49,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-23 23:54:49,053 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:54:49,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:54:49,057 INFO L85 PathProgramCache]: Analyzing trace with hash -733515044, now seen corresponding path program 1 times
[2024-11-23 23:54:49,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:54:49,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470406596]
[2024-11-23 23:54:49,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:54:49,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:54:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:54:49,143 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-23 23:54:49,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:54:49,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470406596]
[2024-11-23 23:54:49,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470406596] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:54:49,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:54:49,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:54:49,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104922153]
[2024-11-23 23:54:49,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:54:49,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 23:54:49,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:54:49,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:54:49,149 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:54:49,149 INFO L87 Difference]: Start difference. First operand 208 states and 273 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:49,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:54:49,240 INFO L93 Difference]: Finished difference Result 350 states and 460 transitions.
[2024-11-23 23:54:49,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:54:49,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 62
[2024-11-23 23:54:49,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:54:49,244 INFO L225 Difference]: With dead ends: 350
[2024-11-23 23:54:49,245 INFO L226 Difference]: Without dead ends: 165
[2024-11-23 23:54:49,245 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:54:49,248 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 8 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-23 23:54:49,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 86 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-23 23:54:49,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states.
[2024-11-23 23:54:49,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 151.
[2024-11-23 23:54:49,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 118 states have (on average 1.1694915254237288) internal successors, (138), 118 states have internal predecessors, (138), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-23 23:54:49,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 194 transitions.
[2024-11-23 23:54:49,283 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 194 transitions. Word has length 62
[2024-11-23 23:54:49,283 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:54:49,284 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 194 transitions.
[2024-11-23 23:54:49,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:49,285 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 194 transitions.
[2024-11-23 23:54:49,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2024-11-23 23:54:49,287 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:54:49,287 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:54:49,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-23 23:54:49,287 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:54:49,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:54:49,288 INFO L85 PathProgramCache]: Analyzing trace with hash 43206961, now seen corresponding path program 1 times
[2024-11-23 23:54:49,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:54:49,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520826627]
[2024-11-23 23:54:49,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:54:49,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:54:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:54:52,039 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-23 23:54:52,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:54:52,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520826627]
[2024-11-23 23:54:52,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520826627] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:54:52,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:54:52,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2024-11-23 23:54:52,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262713096]
[2024-11-23 23:54:52,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:54:52,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-23 23:54:52,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:54:52,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-23 23:54:52,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132
[2024-11-23 23:54:52,043 INFO L87 Difference]: Start difference. First operand 151 states and 194 transitions. Second operand has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:52,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:54:52,774 INFO L93 Difference]: Finished difference Result 277 states and 349 transitions.
[2024-11-23 23:54:52,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-23 23:54:52,776 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 64
[2024-11-23 23:54:52,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:54:52,778 INFO L225 Difference]: With dead ends: 277
[2024-11-23 23:54:52,778 INFO L226 Difference]: Without dead ends: 225
[2024-11-23 23:54:52,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272
[2024-11-23 23:54:52,781 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 168 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-23 23:54:52,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 450 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-23 23:54:52,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states.
[2024-11-23 23:54:52,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 162.
[2024-11-23 23:54:52,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 129 states have (on average 1.1550387596899225) internal successors, (149), 129 states have internal predecessors, (149), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-23 23:54:52,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 205 transitions.
[2024-11-23 23:54:52,817 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 205 transitions. Word has length 64
[2024-11-23 23:54:52,818 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:54:52,818 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 205 transitions.
[2024-11-23 23:54:52,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 12 states have internal predecessors, (32), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:52,818 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 205 transitions.
[2024-11-23 23:54:52,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-11-23 23:54:52,819 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:54:52,819 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:54:52,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-23 23:54:52,819 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:54:52,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:54:52,821 INFO L85 PathProgramCache]: Analyzing trace with hash -829012396, now seen corresponding path program 1 times
[2024-11-23 23:54:52,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:54:52,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528050923]
[2024-11-23 23:54:52,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:54:52,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:54:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:54:53,738 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-23 23:54:53,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:54:53,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528050923]
[2024-11-23 23:54:53,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528050923] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:54:53,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:54:53,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-23 23:54:53,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149099222]
[2024-11-23 23:54:53,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:54:53,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-23 23:54:53,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:54:53,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-23 23:54:53,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2024-11-23 23:54:53,741 INFO L87 Difference]: Start difference. First operand 162 states and 205 transitions. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:54,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:54:54,207 INFO L93 Difference]: Finished difference Result 171 states and 214 transitions.
[2024-11-23 23:54:54,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-23 23:54:54,211 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 65
[2024-11-23 23:54:54,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:54:54,213 INFO L225 Difference]: With dead ends: 171
[2024-11-23 23:54:54,213 INFO L226 Difference]: Without dead ends: 169
[2024-11-23 23:54:54,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156
[2024-11-23 23:54:54,214 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 46 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-23 23:54:54,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 441 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-23 23:54:54,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states.
[2024-11-23 23:54:54,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 162.
[2024-11-23 23:54:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 129 states have (on average 1.1472868217054264) internal successors, (148), 129 states have internal predecessors, (148), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-23 23:54:54,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 204 transitions.
[2024-11-23 23:54:54,240 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 204 transitions. Word has length 65
[2024-11-23 23:54:54,241 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:54:54,241 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 204 transitions.
[2024-11-23 23:54:54,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7)
[2024-11-23 23:54:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 204 transitions.
[2024-11-23 23:54:54,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2024-11-23 23:54:54,243 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:54:54,243 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 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]
[2024-11-23 23:54:54,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-23 23:54:54,244 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:54:54,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:54:54,245 INFO L85 PathProgramCache]: Analyzing trace with hash 72795174, now seen corresponding path program 1 times
[2024-11-23 23:54:54,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:54:54,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984728238]
[2024-11-23 23:54:54,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:54:54,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:54:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:54:54,400 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-23 23:54:54,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:54:54,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984728238]
[2024-11-23 23:54:54,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984728238] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:54:54,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210052180]
[2024-11-23 23:54:54,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:54:54,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:54:54,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:54:54,404 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:54:54,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-23 23:54:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:54:54,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-23 23:54:54,566 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:54:54,737 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked.
[2024-11-23 23:54:54,741 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 23:54:54,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210052180] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:54:54,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 23:54:54,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5
[2024-11-23 23:54:54,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370257430]
[2024-11-23 23:54:54,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:54:54,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 23:54:54,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:54:54,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 23:54:54,742 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:54:54,743 INFO L87 Difference]: Start difference. First operand 162 states and 204 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-23 23:54:54,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:54:54,799 INFO L93 Difference]: Finished difference Result 197 states and 241 transitions.
[2024-11-23 23:54:54,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 23:54:54,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 120
[2024-11-23 23:54:54,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:54:54,801 INFO L225 Difference]: With dead ends: 197
[2024-11-23 23:54:54,801 INFO L226 Difference]: Without dead ends: 0
[2024-11-23 23:54:54,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:54:54,802 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 4 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:54:54,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 98 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:54:54,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-23 23:54:54,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-23 23:54:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:54:54,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-23 23:54:54,804 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 120
[2024-11-23 23:54:54,806 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:54:54,806 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-23 23:54:54,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-23 23:54:54,806 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-23 23:54:54,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-23 23:54:54,810 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-23 23:54:54,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-23 23:54:55,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:54:55,015 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:54:55,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-23 23:54:55,791 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 23:54:55,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:54:55 BoogieIcfgContainer
[2024-11-23 23:54:55,824 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 23:54:55,825 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 23:54:55,825 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 23:54:55,825 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 23:54:55,828 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:54:37" (3/4) ...
[2024-11-23 23:54:55,831 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-23 23:54:55,837 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2024-11-23 23:54:55,846 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2024-11-23 23:54:55,847 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-23 23:54:55,847 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-23 23:54:55,847 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-23 23:54:55,978 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 23:54:55,978 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 23:54:55,978 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 23:54:55,980 INFO L158 Benchmark]: Toolchain (without parser) took 19159.46ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 107.5MB in the beginning and 247.6MB in the end (delta: -140.1MB). Peak memory consumption was 139.1MB. Max. memory is 16.1GB.
[2024-11-23 23:54:55,981 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:54:55,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.66ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 95.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:54:55,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.30ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 92.7MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:54:55,981 INFO L158 Benchmark]: Boogie Preprocessor took 50.07ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 90.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:54:55,982 INFO L158 Benchmark]: RCFGBuilder took 684.58ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 74.6MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 23:54:55,983 INFO L158 Benchmark]: TraceAbstraction took 17824.88ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 74.0MB in the beginning and 251.5MB in the end (delta: -177.6MB). Peak memory consumption was 105.6MB. Max. memory is 16.1GB.
[2024-11-23 23:54:55,983 INFO L158 Benchmark]: Witness Printer took 153.78ms. Allocated memory is still 427.8MB. Free memory was 251.5MB in the beginning and 247.6MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:54:55,986 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.39ms. Allocated memory is still 167.8MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 388.66ms. Allocated memory is still 142.6MB. Free memory was 107.5MB in the beginning and 95.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 49.30ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 92.7MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 50.07ms. Allocated memory is still 142.6MB. Free memory was 92.7MB in the beginning and 90.1MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 684.58ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 74.6MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 17824.88ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 74.0MB in the beginning and 251.5MB in the end (delta: -177.6MB). Peak memory consumption was 105.6MB. Max. memory is 16.1GB.
* Witness Printer took 153.78ms. Allocated memory is still 427.8MB. Free memory was 251.5MB in the beginning and 247.6MB in the end (delta: 4.0MB). There was no memory consumed. 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: 19]: 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 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.9s, OverallIterations: 12, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 788 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 788 mSDsluCounter, 2395 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1652 mSDsCounter, 207 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1051 IncrementalHoareTripleChecker+Invalid, 1258 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 207 mSolverCounterUnsat, 743 mSDtfsCounter, 1051 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 275 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=208occurred in iteration=8, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 409 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 972 NumberOfCodeBlocks, 972 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 958 ConstructedInterpolants, 0 QuantifiedInterpolants, 3637 SizeOfPredicates, 0 NumberOfNonLiveVariables, 427 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 1777/1790 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: 87]: Loop Invariant
Derived loop invariant: ((((((((((0 <= 0) && (var_1_4 == 0)) && (0 <= k_loop)) && ((5 + var_1_1) == 0)) && (last_1_var_1_11 <= 8)) && (256 == var_1_5)) && (8 == var_1_11)) && (256 == last_1_var_1_5)) || ((((((65531 == (((long long) 65520 + last_1_var_1_11) % 65536)) || (last_1_var_1_11 != last_1_var_1_5)) && (var_1_4 == 0)) && (1 <= k_loop)) && (((long long) 5 + var_1_11) == 0)) && ((5 + var_1_1) == 0))) || (((((1 <= k_loop) && (256 == var_1_11)) && (256 == var_1_1)) && (256 == var_1_5)) && (256 == last_1_var_1_5)))
RESULT: Ultimate proved your program to be correct!
[2024-11-23 23:54:56,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54e21925-5829-4726-9d02-25ebe5f87dfa/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE