./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-56.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_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/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_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-56.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/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_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/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 ea5fa9597dfb355e2134f9e9e075c4e3ca829d1649455c17a870875ad29bc269
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:02:43,980 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:02:44,068 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-24 01:02:44,081 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:02:44,081 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:02:44,124 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:02:44,125 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:02:44,125 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:02:44,125 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:02:44,126 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 01:02:44,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 01:02:44,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 01:02:44,127 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:02:44,127 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 01:02:44,128 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 01:02:44,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:02:44,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 01:02:44,129 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 01:02:44,129 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 01:02:44,129 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 01:02:44,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 01:02:44,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 01:02:44,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 01:02:44,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 01:02:44,129 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 01:02:44,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 01:02:44,129 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:02:44,129 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 01:02:44,130 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 01:02:44,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:02:44,130 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:02:44,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:02:44,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:02:44,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:02:44,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:02:44,130 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:02:44,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:02:44,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:02:44,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:02:44,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 01:02:44,131 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 01:02:44,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 01:02:44,131 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 01:02:44,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 01:02:44,132 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 01:02:44,132 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 01:02:44,132 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 01:02:44,132 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 01:02:44,132 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_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/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 -> ea5fa9597dfb355e2134f9e9e075c4e3ca829d1649455c17a870875ad29bc269
[2024-11-24 01:02:44,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:02:44,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:02:44,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:02:44,442 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 01:02:44,443 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 01:02:44,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-56.i
[2024-11-24 01:02:47,446 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/data/2bab521c7/eb632b4924734d149e4baf1f9149dfa1/FLAGd04eb71fb
[2024-11-24 01:02:47,742 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 01:02:47,743 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-56.i
[2024-11-24 01:02:47,754 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/data/2bab521c7/eb632b4924734d149e4baf1f9149dfa1/FLAGd04eb71fb
[2024-11-24 01:02:47,776 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/data/2bab521c7/eb632b4924734d149e4baf1f9149dfa1
[2024-11-24 01:02:47,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:02:47,782 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:02:47,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:02:47,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:02:47,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:02:47,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:02:47" (1/1) ...
[2024-11-24 01:02:47,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3757488d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:47, skipping insertion in model container
[2024-11-24 01:02:47,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:02:47" (1/1) ...
[2024-11-24 01:02:47,811 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:02:47,982 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_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-56.i[915,928]
[2024-11-24 01:02:48,047 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:02:48,061 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 01:02:48,076 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_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-56.i[915,928]
[2024-11-24 01:02:48,113 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:02:48,128 INFO L204 MainTranslator]: Completed translation
[2024-11-24 01:02:48,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:48 WrapperNode
[2024-11-24 01:02:48,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:02:48,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:02:48,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:02:48,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:02:48,136 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:48" (1/1) ...
[2024-11-24 01:02:48,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:48" (1/1) ...
[2024-11-24 01:02:48,177 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 105
[2024-11-24 01:02:48,177 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:02:48,178 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:02:48,178 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:02:48,178 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:02:48,186 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:48" (1/1) ...
[2024-11-24 01:02:48,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:48" (1/1) ...
[2024-11-24 01:02:48,189 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:48" (1/1) ...
[2024-11-24 01:02:48,204 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].
[2024-11-24 01:02:48,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:48" (1/1) ...
[2024-11-24 01:02:48,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:48" (1/1) ...
[2024-11-24 01:02:48,210 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:48" (1/1) ...
[2024-11-24 01:02:48,212 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:48" (1/1) ...
[2024-11-24 01:02:48,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:48" (1/1) ...
[2024-11-24 01:02:48,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:48" (1/1) ...
[2024-11-24 01:02:48,221 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:48" (1/1) ...
[2024-11-24 01:02:48,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:02:48,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:02:48,229 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:02:48,229 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:02:48,230 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:48" (1/1) ...
[2024-11-24 01:02:48,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:02:48,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:02:48,268 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 01:02:48,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:02:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:02:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-24 01:02:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-24 01:02:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 01:02:48,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:02:48,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:02:48,362 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 01:02:48,364 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:02:48,680 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live.
[2024-11-24 01:02:48,681 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 01:02:48,690 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:02:48,691 INFO L312 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-24 01:02:48,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:02:48 BoogieIcfgContainer
[2024-11-24 01:02:48,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:02:48,694 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 01:02:48,694 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 01:02:48,700 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 01:02:48,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:02:47" (1/3) ...
[2024-11-24 01:02:48,701 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c804e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:02:48, skipping insertion in model container
[2024-11-24 01:02:48,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:02:48" (2/3) ...
[2024-11-24 01:02:48,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c804e66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:02:48, skipping insertion in model container
[2024-11-24 01:02:48,702 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:02:48" (3/3) ...
[2024-11-24 01:02:48,703 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-56.i
[2024-11-24 01:02:48,721 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 01:02:48,723 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-56.i that has 2 procedures, 47 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 01:02:48,782 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 01:02:48,800 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;@37637e2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 01:02:48,800 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 01:02:48,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-11-24 01:02:48,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2024-11-24 01:02:48,814 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:02:48,814 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:02:48,815 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:02:48,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:02:48,819 INFO L85 PathProgramCache]: Analyzing trace with hash -950135633, now seen corresponding path program 1 times
[2024-11-24 01:02:48,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:02:48,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56463033]
[2024-11-24 01:02:48,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:02:48,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:02:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:02:49,171 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked.
[2024-11-24 01:02:49,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:02:49,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56463033]
[2024-11-24 01:02:49,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56463033] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:02:49,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [433983287]
[2024-11-24 01:02:49,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:02:49,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:02:49,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:02:49,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:02:49,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 01:02:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:02:49,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-24 01:02:49,356 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:02:49,384 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked.
[2024-11-24 01:02:49,384 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:02:49,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [433983287] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:02:49,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:02:49,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-24 01:02:49,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823938171]
[2024-11-24 01:02:49,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:02:49,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 01:02:49,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:02:49,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 01:02:49,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 01:02:49,418 INFO L87 Difference]: Start difference. First operand has 47 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10)
[2024-11-24 01:02:49,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:02:49,449 INFO L93 Difference]: Finished difference Result 91 states and 139 transitions.
[2024-11-24 01:02:49,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 01:02:49,451 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 73
[2024-11-24 01:02:49,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:02:49,459 INFO L225 Difference]: With dead ends: 91
[2024-11-24 01:02:49,460 INFO L226 Difference]: Without dead ends: 43
[2024-11-24 01:02:49,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 01:02:49,468 INFO L435 NwaCegarLoop]: 63 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, 63 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
[2024-11-24 01:02:49,472 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:02:49,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2024-11-24 01:02:49,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43.
[2024-11-24 01:02:49,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10)
[2024-11-24 01:02:49,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 59 transitions.
[2024-11-24 01:02:49,511 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 59 transitions. Word has length 73
[2024-11-24 01:02:49,511 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:02:49,511 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 59 transitions.
[2024-11-24 01:02:49,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10)
[2024-11-24 01:02:49,511 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions.
[2024-11-24 01:02:49,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2024-11-24 01:02:49,514 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:02:49,514 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:02:49,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-24 01:02:49,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-24 01:02:49,715 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:02:49,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:02:49,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1901122705, now seen corresponding path program 1 times
[2024-11-24 01:02:49,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:02:49,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431436697]
[2024-11-24 01:02:49,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:02:49,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:02:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:02:50,620 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-11-24 01:02:50,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:02:50,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431436697]
[2024-11-24 01:02:50,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431436697] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:02:50,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:02:50,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-24 01:02:50,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275965248]
[2024-11-24 01:02:50,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:02:50,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:02:50,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:02:50,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:02:50,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:02:50,626 INFO L87 Difference]: Start difference. First operand 43 states and 59 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-11-24 01:02:50,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:02:50,913 INFO L93 Difference]: Finished difference Result 123 states and 171 transitions.
[2024-11-24 01:02:50,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 01:02:50,914 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 73
[2024-11-24 01:02:50,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:02:50,917 INFO L225 Difference]: With dead ends: 123
[2024-11-24 01:02:50,919 INFO L226 Difference]: Without dead ends: 83
[2024-11-24 01:02:50,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-24 01:02:50,921 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 38 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-24 01:02:50,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 169 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-24 01:02:50,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states.
[2024-11-24 01:02:50,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 75.
[2024-11-24 01:02:50,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 52 states have (on average 1.2307692307692308) internal successors, (64), 52 states have internal predecessors, (64), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-24 01:02:50,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions.
[2024-11-24 01:02:50,949 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 73
[2024-11-24 01:02:50,950 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:02:50,950 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions.
[2024-11-24 01:02:50,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-11-24 01:02:50,951 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions.
[2024-11-24 01:02:50,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74
[2024-11-24 01:02:50,955 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:02:50,955 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:02:50,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 01:02:50,955 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:02:50,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:02:50,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1200058127, now seen corresponding path program 1 times
[2024-11-24 01:02:50,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:02:50,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012263276]
[2024-11-24 01:02:50,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:02:50,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:02:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:02:53,389 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-11-24 01:02:53,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:02:53,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012263276]
[2024-11-24 01:02:53,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012263276] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:02:53,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:02:53,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-24 01:02:53,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337091252]
[2024-11-24 01:02:53,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:02:53,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-24 01:02:53,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:02:53,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-24 01:02:53,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-11-24 01:02:53,395 INFO L87 Difference]: Start difference. First operand 75 states and 104 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-11-24 01:02:54,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:02:54,451 INFO L93 Difference]: Finished difference Result 112 states and 152 transitions.
[2024-11-24 01:02:54,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-24 01:02:54,452 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 73
[2024-11-24 01:02:54,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:02:54,453 INFO L225 Difference]: With dead ends: 112
[2024-11-24 01:02:54,453 INFO L226 Difference]: Without dead ends: 110
[2024-11-24 01:02:54,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132
[2024-11-24 01:02:54,454 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 41 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-24 01:02:54,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 272 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-24 01:02:54,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states.
[2024-11-24 01:02:54,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 92.
[2024-11-24 01:02:54,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 69 states have (on average 1.2753623188405796) internal successors, (88), 69 states have internal predecessors, (88), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-24 01:02:54,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 128 transitions.
[2024-11-24 01:02:54,467 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 128 transitions. Word has length 73
[2024-11-24 01:02:54,468 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:02:54,468 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 128 transitions.
[2024-11-24 01:02:54,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-11-24 01:02:54,468 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 128 transitions.
[2024-11-24 01:02:54,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2024-11-24 01:02:54,469 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:02:54,469 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:02:54,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-24 01:02:54,470 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:02:54,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:02:54,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1064328241, now seen corresponding path program 1 times
[2024-11-24 01:02:54,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:02:54,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741343081]
[2024-11-24 01:02:54,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:02:54,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:02:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:02:56,920 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-11-24 01:02:56,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:02:56,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741343081]
[2024-11-24 01:02:56,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741343081] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:02:56,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:02:56,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-24 01:02:56,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797602871]
[2024-11-24 01:02:56,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:02:56,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-24 01:02:56,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:02:56,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-24 01:02:56,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2024-11-24 01:02:56,923 INFO L87 Difference]: Start difference. First operand 92 states and 128 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-11-24 01:02:58,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:02:58,087 INFO L93 Difference]: Finished difference Result 126 states and 171 transitions.
[2024-11-24 01:02:58,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-24 01:02:58,088 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 74
[2024-11-24 01:02:58,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:02:58,090 INFO L225 Difference]: With dead ends: 126
[2024-11-24 01:02:58,090 INFO L226 Difference]: Without dead ends: 124
[2024-11-24 01:02:58,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156
[2024-11-24 01:02:58,091 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 29 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-24 01:02:58,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 304 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-24 01:02:58,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states.
[2024-11-24 01:02:58,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 93.
[2024-11-24 01:02:58,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 70 states have internal predecessors, (90), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-24 01:02:58,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 130 transitions.
[2024-11-24 01:02:58,105 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 130 transitions. Word has length 74
[2024-11-24 01:02:58,106 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:02:58,106 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 130 transitions.
[2024-11-24 01:02:58,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-11-24 01:02:58,106 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 130 transitions.
[2024-11-24 01:02:58,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75
[2024-11-24 01:02:58,107 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:02:58,107 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:02:58,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 01:02:58,108 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:02:58,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:02:58,108 INFO L85 PathProgramCache]: Analyzing trace with hash -384269871, now seen corresponding path program 1 times
[2024-11-24 01:02:58,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:02:58,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149099222]
[2024-11-24 01:02:58,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:02:58,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:02:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:03:00,011 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked.
[2024-11-24 01:03:00,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:03:00,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149099222]
[2024-11-24 01:03:00,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149099222] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:03:00,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:03:00,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-11-24 01:03:00,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13099709]
[2024-11-24 01:03:00,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:03:00,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-24 01:03:00,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:03:00,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-24 01:03:00,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2024-11-24 01:03:00,013 INFO L87 Difference]: Start difference. First operand 93 states and 130 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-11-24 01:03:00,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:03:00,931 INFO L93 Difference]: Finished difference Result 124 states and 169 transitions.
[2024-11-24 01:03:00,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-24 01:03:00,933 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 74
[2024-11-24 01:03:00,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:03:00,934 INFO L225 Difference]: With dead ends: 124
[2024-11-24 01:03:00,934 INFO L226 Difference]: Without dead ends: 122
[2024-11-24 01:03:00,935 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156
[2024-11-24 01:03:00,935 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 44 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-24 01:03:00,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 262 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-24 01:03:00,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states.
[2024-11-24 01:03:00,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 88.
[2024-11-24 01:03:00,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 65 states have internal predecessors, (83), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-24 01:03:00,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 123 transitions.
[2024-11-24 01:03:00,961 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 123 transitions. Word has length 74
[2024-11-24 01:03:00,961 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:03:00,961 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 123 transitions.
[2024-11-24 01:03:00,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)
[2024-11-24 01:03:00,963 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 123 transitions.
[2024-11-24 01:03:00,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144
[2024-11-24 01:03:00,966 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:03:00,966 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-24 01:03:00,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-24 01:03:00,966 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:03:00,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:03:00,970 INFO L85 PathProgramCache]: Analyzing trace with hash -253360224, now seen corresponding path program 1 times
[2024-11-24 01:03:00,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:03:00,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043521846]
[2024-11-24 01:03:00,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:03:00,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:03:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:03:01,153 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked.
[2024-11-24 01:03:01,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:03:01,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043521846]
[2024-11-24 01:03:01,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043521846] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:03:01,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814410329]
[2024-11-24 01:03:01,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:03:01,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:03:01,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:03:01,156 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:03:01,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 01:03:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:03:01,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-24 01:03:01,267 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:03:01,357 INFO L134 CoverageAnalysis]: Checked inductivity of 789 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked.
[2024-11-24 01:03:01,357 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:03:01,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814410329] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:03:01,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:03:01,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5
[2024-11-24 01:03:01,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178955738]
[2024-11-24 01:03:01,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:03:01,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:03:01,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:03:01,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:03:01,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:03:01,359 INFO L87 Difference]: Start difference. First operand 88 states and 123 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-24 01:03:01,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:03:01,399 INFO L93 Difference]: Finished difference Result 93 states and 128 transitions.
[2024-11-24 01:03:01,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 01:03:01,399 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 143
[2024-11-24 01:03:01,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:03:01,400 INFO L225 Difference]: With dead ends: 93
[2024-11-24 01:03:01,400 INFO L226 Difference]: Without dead ends: 0
[2024-11-24 01:03:01,401 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-24 01:03:01,401 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 6 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:03:01,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 102 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:03:01,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-24 01:03:01,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-24 01:03:01,403 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)
[2024-11-24 01:03:01,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-24 01:03:01,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143
[2024-11-24 01:03:01,403 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:03:01,403 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-24 01:03:01,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20)
[2024-11-24 01:03:01,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-24 01:03:01,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-24 01:03:01,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-24 01:03:01,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-24 01:03:01,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-11-24 01:03:01,614 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-11-24 01:03:01,616 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-24 01:03:01,792 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 01:03:01,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:03:01 BoogieIcfgContainer
[2024-11-24 01:03:01,809 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 01:03:01,809 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 01:03:01,809 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 01:03:01,810 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 01:03:01,810 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:02:48" (3/4) ...
[2024-11-24 01:03:01,812 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-24 01:03:01,817 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not
[2024-11-24 01:03:01,823 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2024-11-24 01:03:01,823 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-24 01:03:01,824 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-24 01:03:01,824 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-24 01:03:01,922 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 01:03:01,923 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 01:03:01,923 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 01:03:01,925 INFO L158 Benchmark]: Toolchain (without parser) took 14142.01ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 92.4MB in the beginning and 87.2MB in the end (delta: 5.2MB). Peak memory consumption was 106.3MB. Max. memory is 16.1GB.
[2024-11-24 01:03:01,927 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:03:01,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 345.39ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.6MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:03:01,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.01ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.8MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:03:01,928 INFO L158 Benchmark]: Boogie Preprocessor took 50.70ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 72.3MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:03:01,928 INFO L158 Benchmark]: RCFGBuilder took 462.08ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 55.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 01:03:01,929 INFO L158 Benchmark]: TraceAbstraction took 13114.54ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 54.5MB in the beginning and 93.4MB in the end (delta: -38.9MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB.
[2024-11-24 01:03:01,929 INFO L158 Benchmark]: Witness Printer took 113.74ms. Allocated memory is still 218.1MB. Free memory was 91.6MB in the beginning and 87.2MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:03:01,930 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 345.39ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.6MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 48.01ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 76.8MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 50.70ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 72.3MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 462.08ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 55.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 13114.54ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 54.5MB in the beginning and 93.4MB in the end (delta: -38.9MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB.
* Witness Printer took 113.74ms. Allocated memory is still 218.1MB. Free memory was 91.6MB in the beginning and 87.2MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 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, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.9s, OverallIterations: 6, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 158 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 158 mSDsluCounter, 1172 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 856 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 688 IncrementalHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 316 mSDtfsCounter, 688 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 276 GetRequests, 235 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=4, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 91 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 726 NumberOfCodeBlocks, 726 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 718 ConstructedInterpolants, 0 QuantifiedInterpolants, 2629 SizeOfPredicates, 0 NumberOfNonLiveVariables, 511 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 2639/2658 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: 86]: Loop Invariant
Derived loop invariant: ((((((var_1_1 == 1) && (last_1_var_1_1 == 1)) && (k_loop == 0)) && (var_1_11 == 0)) && (last_1_var_1_11 == 0)) || (0 < k_loop))
RESULT: Ultimate proved your program to be correct!
[2024-11-24 01:03:01,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2c3c5b1-121b-43f0-a6c8-9a1a30569266/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE