./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-82.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 826ab2ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8dc85e0a8f6bbccc0e2b973260306c777c44b967399a6b0d7a80a450a59c71c9
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 23:38:57,087 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-13 23:38:57,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Default.epf
[2024-11-13 23:38:57,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 23:38:57,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 23:38:57,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 23:38:57,268 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 23:38:57,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 23:38:57,270 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 23:38:57,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 23:38:57,270 INFO L153 SettingsManager]: * User list type=DISABLED
[2024-11-13 23:38:57,272 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2024-11-13 23:38:57,272 INFO L153 SettingsManager]: * Explicit value domain=true
[2024-11-13 23:38:57,272 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2024-11-13 23:38:57,272 INFO L153 SettingsManager]: * Octagon Domain=false
[2024-11-13 23:38:57,273 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain
[2024-11-13 23:38:57,273 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2024-11-13 23:38:57,273 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2024-11-13 23:38:57,273 INFO L153 SettingsManager]: * Interval Domain=false
[2024-11-13 23:38:57,273 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults:
[2024-11-13 23:38:57,274 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer
[2024-11-13 23:38:57,274 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC
[2024-11-13 23:38:57,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 23:38:57,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-13 23:38:57,275 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-13 23:38:57,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-13 23:38:57,276 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-13 23:38:57,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-13 23:38:57,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 23:38:57,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 23:38:57,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 23:38:57,277 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-13 23:38:57,277 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-13 23:38:57,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-13 23:38:57,277 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-13 23:38:57,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 23:38:57,279 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-13 23:38:57,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-13 23:38:57,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-13 23:38:57,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 23:38:57,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 23:38:57,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 23:38:57,280 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN
[2024-11-13 23:38:57,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-13 23:38:57,280 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 23:38:57,281 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE
[2024-11-13 23:38:57,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-13 23:38:57,281 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES
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_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E
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 -> Taipan
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 -> 8dc85e0a8f6bbccc0e2b973260306c777c44b967399a6b0d7a80a450a59c71c9
[2024-11-13 23:38:57,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 23:38:57,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 23:38:57,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 23:38:57,633 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-13 23:38:57,635 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-13 23:38:57,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-82.i
Unable to find full path for "g++"
[2024-11-13 23:38:59,690 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-13 23:39:00,030 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-13 23:39:00,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-82.i
[2024-11-13 23:39:00,048 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/data/cf2894877/00aa7af1826b47fba5eb3b869d7bd760/FLAG404381a19
[2024-11-13 23:39:00,074 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/data/cf2894877/00aa7af1826b47fba5eb3b869d7bd760
[2024-11-13 23:39:00,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 23:39:00,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 23:39:00,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 23:39:00,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 23:39:00,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 23:39:00,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:39:00" (1/1) ...
[2024-11-13 23:39:00,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37efd6b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:00, skipping insertion in model container
[2024-11-13 23:39:00,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:39:00" (1/1) ...
[2024-11-13 23:39:00,109 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-13 23:39:00,286 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_c4508605-524c-46f3-911b-0b58719eb0f3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-82.i[916,929]
[2024-11-13 23:39:00,378 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 23:39:00,397 INFO L200 MainTranslator]: Completed pre-run
[2024-11-13 23:39:00,409 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_c4508605-524c-46f3-911b-0b58719eb0f3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-82.i[916,929]
[2024-11-13 23:39:00,480 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 23:39:00,504 INFO L204 MainTranslator]: Completed translation
[2024-11-13 23:39:00,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:00 WrapperNode
[2024-11-13 23:39:00,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 23:39:00,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 23:39:00,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 23:39:00,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 23:39:00,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:00" (1/1) ...
[2024-11-13 23:39:00,528 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:00" (1/1) ...
[2024-11-13 23:39:00,600 INFO L138 Inliner]: procedures = 30, calls = 159, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 509
[2024-11-13 23:39:00,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 23:39:00,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 23:39:00,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 23:39:00,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 23:39:00,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:00" (1/1) ...
[2024-11-13 23:39:00,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:00" (1/1) ...
[2024-11-13 23:39:00,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:00" (1/1) ...
[2024-11-13 23:39:00,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:00" (1/1) ...
[2024-11-13 23:39:00,673 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:00" (1/1) ...
[2024-11-13 23:39:00,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:00" (1/1) ...
[2024-11-13 23:39:00,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:00" (1/1) ...
[2024-11-13 23:39:00,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:00" (1/1) ...
[2024-11-13 23:39:00,704 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 23:39:00,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 23:39:00,708 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 23:39:00,708 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-13 23:39:00,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:00" (1/1) ...
[2024-11-13 23:39:00,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-13 23:39:00,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/z3
[2024-11-13 23:39:00,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-13 23:39:00,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-13 23:39:00,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 23:39:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2024-11-13 23:39:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real
[2024-11-13 23:39:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2024-11-13 23:39:00,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-11-13 23:39:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2024-11-13 23:39:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-11-13 23:39:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-13 23:39:00,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-13 23:39:00,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-13 23:39:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 23:39:00,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 23:39:00,927 INFO L238 CfgBuilder]: Building ICFG
[2024-11-13 23:39:00,929 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 23:39:01,828 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live.
[2024-11-13 23:39:01,828 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-13 23:39:02,532 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 23:39:02,532 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-13 23:39:02,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:39:02 BoogieIcfgContainer
[2024-11-13 23:39:02,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 23:39:02,535 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 23:39:02,535 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 23:39:02,540 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-13 23:39:02,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:39:00" (1/3) ...
[2024-11-13 23:39:02,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46172d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:39:02, skipping insertion in model container
[2024-11-13 23:39:02,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:00" (2/3) ...
[2024-11-13 23:39:02,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46172d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:39:02, skipping insertion in model container
[2024-11-13 23:39:02,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:39:02" (3/3) ...
[2024-11-13 23:39:02,542 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-82.i
[2024-11-13 23:39:02,558 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 23:39:02,560 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-82.i that has 2 procedures, 37 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-13 23:39:02,619 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 23:39:02,632 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=FINITE_AUTOMATA, 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;@e999676, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 23:39:02,634 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-13 23:39:02,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-13 23:39:02,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61
[2024-11-13 23:39:02,648 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:39:02,650 INFO L215 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:39:02,651 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:39:02,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:39:02,656 INFO L85 PathProgramCache]: Analyzing trace with hash 623807307, now seen corresponding path program 1 times
[2024-11-13 23:39:02,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2024-11-13 23:39:02,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52697620]
[2024-11-13 23:39:02,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:39:02,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 23:39:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-13 23:39:05,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-13 23:39:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-13 23:39:06,618 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace
[2024-11-13 23:39:06,620 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-13 23:39:06,621 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-13 23:39:06,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-13 23:39:06,628 INFO L407 BasicCegarLoop]: Path program histogram: [1]
[2024-11-13 23:39:06,703 INFO L173 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-13 23:39:06,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 11:39:06 BoogieIcfgContainer
[2024-11-13 23:39:06,709 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-13 23:39:06,710 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-13 23:39:06,710 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-13 23:39:06,710 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-13 23:39:06,713 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:39:02" (3/4) ...
[2024-11-13 23:39:06,715 INFO L145 WitnessPrinter]: No result that supports witness generation found
[2024-11-13 23:39:06,716 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-13 23:39:06,717 INFO L158 Benchmark]: Toolchain (without parser) took 6638.76ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 92.2MB in the beginning and 87.1MB in the end (delta: 5.0MB). Peak memory consumption was 102.3MB. Max. memory is 16.1GB.
[2024-11-13 23:39:06,719 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 23:39:06,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.33ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 75.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-13 23:39:06,720 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.82ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 70.2MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 23:39:06,720 INFO L158 Benchmark]: Boogie Preprocessor took 106.31ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 67.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 23:39:06,721 INFO L158 Benchmark]: RCFGBuilder took 1824.45ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 61.6MB in the end (delta: 5.2MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB.
[2024-11-13 23:39:06,721 INFO L158 Benchmark]: TraceAbstraction took 4174.20ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 60.8MB in the beginning and 87.2MB in the end (delta: -26.4MB). Peak memory consumption was 108.8MB. Max. memory is 16.1GB.
[2024-11-13 23:39:06,723 INFO L158 Benchmark]: Witness Printer took 6.11ms. Allocated memory is still 218.1MB. Free memory was 87.2MB in the beginning and 87.1MB in the end (delta: 18.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 23:39:06,725 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.19ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 424.33ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 75.2MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 94.82ms. Allocated memory is still 117.4MB. Free memory was 75.2MB in the beginning and 70.2MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 106.31ms. Allocated memory is still 117.4MB. Free memory was 70.2MB in the beginning and 67.3MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 1824.45ms. Allocated memory is still 117.4MB. Free memory was 66.9MB in the beginning and 61.6MB in the end (delta: 5.2MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 4174.20ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 60.8MB in the beginning and 87.2MB in the end (delta: -26.4MB). Peak memory consumption was 108.8MB. Max. memory is 16.1GB.
* Witness Printer took 6.11ms. Allocated memory is still 218.1MB. Free memory was 87.2MB in the beginning and 87.1MB in the end (delta: 18.3kB). 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
- UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable
Unable to prove that a call to reach_error is unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 93, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of bitwiseOr at line 61, overapproximation of someBinaryDOUBLEComparisonOperation at line 118, overapproximation of someBinaryArithmeticFLOAToperation at line 77.
Possible FailurePath:
[L38] unsigned char isInitial = 0;
[L39-L54] struct WrapperStruct00 WrapperStruct00 = {
128.75,
1,
63.5,
255.5,
32,
25,
128,
16,
2,
5,
10,
3.75,
0,
255.5
};
[L55] unsigned char last_1_WrapperStruct00_var_1_5 = 32;
[L56] unsigned char last_1_WrapperStruct00_var_1_12 = 2;
[L57] unsigned char last_1_WrapperStruct00_var_1_17 = 0;
[L122] isInitial = 1
[L123] FCALL initially()
[L124] COND TRUE 1
[L125] CALL updateLastVariables()
[L113] EXPR WrapperStruct00.var_1_5
[L113] last_1_WrapperStruct00_var_1_5 = WrapperStruct00.var_1_5
[L114] EXPR WrapperStruct00.var_1_12
[L114] last_1_WrapperStruct00_var_1_12 = WrapperStruct00.var_1_12
[L115] EXPR WrapperStruct00.var_1_17
[L115] last_1_WrapperStruct00_var_1_17 = WrapperStruct00.var_1_17
[L125] RET updateLastVariables()
[L126] CALL updateVariables()
[L89] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar()
[L90] EXPR WrapperStruct00.var_1_2
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L90] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0)
VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L20] COND FALSE !(!cond)
[L90] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0)
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L91] EXPR WrapperStruct00.var_1_2
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L91] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1)
VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L20] COND FALSE !(!cond)
[L91] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1)
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L92] WrapperStruct00.var_1_3 = __VERIFIER_nondet_float()
[L93] EXPR WrapperStruct00.var_1_3
[L93] EXPR WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F
[L93] EXPR (WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )
[L93] EXPR WrapperStruct00.var_1_3
[L93] EXPR WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F
[L93] EXPR WrapperStruct00.var_1_3
[L93] EXPR WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F
[L93] EXPR (WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L93] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ))
VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L20] COND FALSE !(!cond)
[L93] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ))
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L94] WrapperStruct00.var_1_4 = __VERIFIER_nondet_float()
[L95] EXPR WrapperStruct00.var_1_4
[L95] EXPR WrapperStruct00.var_1_4 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F
[L95] EXPR WrapperStruct00.var_1_4
[L95] EXPR WrapperStruct00.var_1_4 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F
[L95] EXPR (WrapperStruct00.var_1_4 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L95] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ))
VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L20] COND FALSE !(!cond)
[L95] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ))
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L96] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar()
[L97] EXPR WrapperStruct00.var_1_9
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L97] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0)
VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L20] COND FALSE !(!cond)
[L97] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0)
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L98] EXPR WrapperStruct00.var_1_9
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L98] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 254)
VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L20] COND FALSE !(!cond)
[L98] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 254)
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L99] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar()
[L100] EXPR WrapperStruct00.var_1_10
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L100] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 127)
VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L20] COND FALSE !(!cond)
[L100] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 127)
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L101] EXPR WrapperStruct00.var_1_10
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L101] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 254)
VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L20] COND FALSE !(!cond)
[L101] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 254)
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L102] WrapperStruct00.var_1_11 = __VERIFIER_nondet_uchar()
[L103] EXPR WrapperStruct00.var_1_11
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L103] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 0)
VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L20] COND FALSE !(!cond)
[L103] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 0)
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L104] EXPR WrapperStruct00.var_1_11
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L104] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 127)
VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L20] COND FALSE !(!cond)
[L104] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 127)
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L105] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar()
[L106] EXPR WrapperStruct00.var_1_14
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L106] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0)
VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L20] COND FALSE !(!cond)
[L106] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0)
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L107] EXPR WrapperStruct00.var_1_14
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L107] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 254)
VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L20] COND FALSE !(!cond)
[L107] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 254)
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L108] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar()
[L109] EXPR WrapperStruct00.var_1_15
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L109] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0)
VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L20] COND FALSE !(!cond)
[L109] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0)
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L110] EXPR WrapperStruct00.var_1_15
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L110] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 127)
VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L20] COND FALSE !(!cond)
[L110] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 127)
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L126] RET updateVariables()
[L127] CALL step()
[L61] EXPR last_1_WrapperStruct00_var_1_17 | last_1_WrapperStruct00_var_1_12
[L61] signed long int stepLocal_0 = last_1_WrapperStruct00_var_1_17 | last_1_WrapperStruct00_var_1_12;
[L62] COND FALSE !((last_1_WrapperStruct00_var_1_5 / -2) >= stepLocal_0)
[L65] EXPR WrapperStruct00.var_1_10
[L65] EXPR WrapperStruct00.var_1_11
[L65] EXPR ((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)
[L65] EXPR WrapperStruct00.var_1_11
[L65] EXPR ((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)
[L65] WrapperStruct00.var_1_5 = (WrapperStruct00.var_1_10 - ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))
[L67] EXPR WrapperStruct00.var_1_2
[L67] COND FALSE !(! WrapperStruct00.var_1_2)
[L72] EXPR WrapperStruct00.var_1_4
[L72] WrapperStruct00.var_1_16 = WrapperStruct00.var_1_4
[L73] EXPR WrapperStruct00.var_1_9
[L73] WrapperStruct00.var_1_17 = WrapperStruct00.var_1_9
[L74] EXPR WrapperStruct00.var_1_3
[L74] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_3
[L75] EXPR WrapperStruct00.var_1_9
[L75] unsigned char stepLocal_1 = WrapperStruct00.var_1_9;
[L76] EXPR WrapperStruct00.var_1_5
[L76] EXPR WrapperStruct00.var_1_11
[L76] COND TRUE (WrapperStruct00.var_1_5 + WrapperStruct00.var_1_11) >= stepLocal_1
[L77] EXPR WrapperStruct00.var_1_4
[L77] EXPR WrapperStruct00.var_1_1
[L77] EXPR WrapperStruct00.var_1_3
[L77] EXPR ((WrapperStruct00.var_1_4) > ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))) ? (WrapperStruct00.var_1_4) : ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))
[L77] EXPR WrapperStruct00.var_1_4
[L77] EXPR ((WrapperStruct00.var_1_4) > ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))) ? (WrapperStruct00.var_1_4) : ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))
[L77] EXPR WrapperStruct00.var_1_1
[L77] COND FALSE !(((((WrapperStruct00.var_1_4) > ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))) ? (WrapperStruct00.var_1_4) : ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)))) <= WrapperStruct00.var_1_1)
[L80] WrapperStruct00.var_1_2
[L80] COND TRUE WrapperStruct00.var_1_2
[L81] EXPR WrapperStruct00.var_1_11
[L81] EXPR WrapperStruct00.var_1_15
[L81] WrapperStruct00.var_1_12 = (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_15)
[L127] RET step()
[L128] CALL, EXPR property()
[L118] EXPR WrapperStruct00.var_1_2
[L118] EXPR (! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) > (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4))))) : 1) : 1
[L118] EXPR ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) > (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4))))) : 1) : 1) && (((last_1_WrapperStruct00_var_1_5 / -2) >= (last_1_WrapperStruct00_var_1_17 | last_1_WrapperStruct00_var_1_12)) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_5 == ((unsigned char) (WrapperStruct00.var_1_10 - ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))))))
[L118] EXPR last_1_WrapperStruct00_var_1_17 | last_1_WrapperStruct00_var_1_12
[L118] EXPR ((last_1_WrapperStruct00_var_1_5 / -2) >= (last_1_WrapperStruct00_var_1_17 | last_1_WrapperStruct00_var_1_12)) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_5 == ((unsigned char) (WrapperStruct00.var_1_10 - ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))))
[L118] EXPR WrapperStruct00.var_1_5
[L118] EXPR WrapperStruct00.var_1_10
[L118] EXPR WrapperStruct00.var_1_11
[L118] EXPR ((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)
[L118] EXPR WrapperStruct00.var_1_11
[L118] EXPR ((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)
[L118] EXPR ((last_1_WrapperStruct00_var_1_5 / -2) >= (last_1_WrapperStruct00_var_1_17 | last_1_WrapperStruct00_var_1_12)) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_5 == ((unsigned char) (WrapperStruct00.var_1_10 - ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11))))))
[L118] EXPR ((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) > (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4))))) : 1) : 1) && (((last_1_WrapperStruct00_var_1_5 / -2) >= (last_1_WrapperStruct00_var_1_17 | last_1_WrapperStruct00_var_1_12)) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_5 == ((unsigned char) (WrapperStruct00.var_1_10 - ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))))))
[L118] EXPR (((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) > (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4))))) : 1) : 1) && (((last_1_WrapperStruct00_var_1_5 / -2) >= (last_1_WrapperStruct00_var_1_17 | last_1_WrapperStruct00_var_1_12)) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_5 == ((unsigned char) (WrapperStruct00.var_1_10 - ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))))))) && (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_11) >= WrapperStruct00.var_1_9) ? ((((((WrapperStruct00.var_1_4) > ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))) ? (WrapperStruct00.var_1_4) : ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)))) <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_12 == ((unsigned char) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_12 == ((unsigned char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_15))) : 1)) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_9)))
[L118] EXPR WrapperStruct00.var_1_5
[L118] EXPR WrapperStruct00.var_1_11
[L118] EXPR WrapperStruct00.var_1_9
[L118] EXPR ((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_11) >= WrapperStruct00.var_1_9) ? ((((((WrapperStruct00.var_1_4) > ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))) ? (WrapperStruct00.var_1_4) : ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)))) <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_12 == ((unsigned char) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_12 == ((unsigned char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_15))) : 1)) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_9))
[L118] EXPR WrapperStruct00.var_1_4
[L118] EXPR WrapperStruct00.var_1_1
[L118] EXPR WrapperStruct00.var_1_3
[L118] EXPR ((WrapperStruct00.var_1_4) > ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))) ? (WrapperStruct00.var_1_4) : ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))
[L118] EXPR WrapperStruct00.var_1_1
[L118] EXPR WrapperStruct00.var_1_3
[L118] EXPR ((WrapperStruct00.var_1_4) > ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))) ? (WrapperStruct00.var_1_4) : ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))
[L118] EXPR WrapperStruct00.var_1_1
[L118] EXPR (((((WrapperStruct00.var_1_4) > ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))) ? (WrapperStruct00.var_1_4) : ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)))) <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_12 == ((unsigned char) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_12 == ((unsigned char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_15))) : 1)
[L118] EXPR WrapperStruct00.var_1_12
[L118] EXPR WrapperStruct00.var_1_11
[L118] EXPR WrapperStruct00.var_1_14
[L118] EXPR ((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_14)
[L118] EXPR WrapperStruct00.var_1_14
[L118] EXPR ((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_14)
[L118] EXPR (((((WrapperStruct00.var_1_4) > ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))) ? (WrapperStruct00.var_1_4) : ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)))) <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_12 == ((unsigned char) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_12 == ((unsigned char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_15))) : 1)
[L118] EXPR ((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_11) >= WrapperStruct00.var_1_9) ? ((((((WrapperStruct00.var_1_4) > ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))) ? (WrapperStruct00.var_1_4) : ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)))) <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_12 == ((unsigned char) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_12 == ((unsigned char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_15))) : 1)) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_9))
[L118] EXPR (((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) > (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4))))) : 1) : 1) && (((last_1_WrapperStruct00_var_1_5 / -2) >= (last_1_WrapperStruct00_var_1_17 | last_1_WrapperStruct00_var_1_12)) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_5 == ((unsigned char) (WrapperStruct00.var_1_10 - ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))))))) && (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_11) >= WrapperStruct00.var_1_9) ? ((((((WrapperStruct00.var_1_4) > ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))) ? (WrapperStruct00.var_1_4) : ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)))) <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_12 == ((unsigned char) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_12 == ((unsigned char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_15))) : 1)) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_9)))
[L118] EXPR ((((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) > (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4))))) : 1) : 1) && (((last_1_WrapperStruct00_var_1_5 / -2) >= (last_1_WrapperStruct00_var_1_17 | last_1_WrapperStruct00_var_1_12)) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_5 == ((unsigned char) (WrapperStruct00.var_1_10 - ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))))))) && (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_11) >= WrapperStruct00.var_1_9) ? ((((((WrapperStruct00.var_1_4) > ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))) ? (WrapperStruct00.var_1_4) : ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)))) <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_12 == ((unsigned char) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_12 == ((unsigned char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_15))) : 1)) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_9)))) && (WrapperStruct00.var_1_16 == ((double) WrapperStruct00.var_1_4))
[L118] EXPR (((((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) > (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4))))) : 1) : 1) && (((last_1_WrapperStruct00_var_1_5 / -2) >= (last_1_WrapperStruct00_var_1_17 | last_1_WrapperStruct00_var_1_12)) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_5 == ((unsigned char) (WrapperStruct00.var_1_10 - ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))))))) && (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_11) >= WrapperStruct00.var_1_9) ? ((((((WrapperStruct00.var_1_4) > ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))) ? (WrapperStruct00.var_1_4) : ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)))) <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_12 == ((unsigned char) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_12 == ((unsigned char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_15))) : 1)) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_9)))) && (WrapperStruct00.var_1_16 == ((double) WrapperStruct00.var_1_4))) && (WrapperStruct00.var_1_17 == ((unsigned char) WrapperStruct00.var_1_9))
[L118] EXPR ((((((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) > (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4))))) : 1) : 1) && (((last_1_WrapperStruct00_var_1_5 / -2) >= (last_1_WrapperStruct00_var_1_17 | last_1_WrapperStruct00_var_1_12)) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_5 == ((unsigned char) (WrapperStruct00.var_1_10 - ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))))))) && (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_11) >= WrapperStruct00.var_1_9) ? ((((((WrapperStruct00.var_1_4) > ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))) ? (WrapperStruct00.var_1_4) : ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)))) <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_12 == ((unsigned char) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_12 == ((unsigned char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_15))) : 1)) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_9)))) && (WrapperStruct00.var_1_16 == ((double) WrapperStruct00.var_1_4))) && (WrapperStruct00.var_1_17 == ((unsigned char) WrapperStruct00.var_1_9))) && (WrapperStruct00.var_1_18 == ((double) WrapperStruct00.var_1_3))
[L118-L119] return ((((((! WrapperStruct00.var_1_2) ? (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) > (WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_4))))) : 1) : 1) && (((last_1_WrapperStruct00_var_1_5 / -2) >= (last_1_WrapperStruct00_var_1_17 | last_1_WrapperStruct00_var_1_12)) ? (WrapperStruct00.var_1_5 == ((unsigned char) ((((WrapperStruct00.var_1_9) < 0 ) ? -(WrapperStruct00.var_1_9) : (WrapperStruct00.var_1_9))))) : (WrapperStruct00.var_1_5 == ((unsigned char) (WrapperStruct00.var_1_10 - ((((WrapperStruct00.var_1_11) < 0 ) ? -(WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_11)))))))) && (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_11) >= WrapperStruct00.var_1_9) ? ((((((WrapperStruct00.var_1_4) > ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3))) ? (WrapperStruct00.var_1_4) : ((WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)))) <= WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_12 == ((unsigned char) ((((WrapperStruct00.var_1_11) > (WrapperStruct00.var_1_14)) ? (WrapperStruct00.var_1_11) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_12 == ((unsigned char) (WrapperStruct00.var_1_11 + WrapperStruct00.var_1_15))) : 1)) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_9)))) && (WrapperStruct00.var_1_16 == ((double) WrapperStruct00.var_1_4))) && (WrapperStruct00.var_1_17 == ((unsigned char) WrapperStruct00.var_1_9))) && (WrapperStruct00.var_1_18 == ((double) WrapperStruct00.var_1_3))
;
[L128] RET, EXPR property()
[L128] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
[L19] reach_error()
VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=2, last_1_WrapperStruct00_var_1_17=0, last_1_WrapperStruct00_var_1_5=32]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 1, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-13 23:39:06,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-82.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8dc85e0a8f6bbccc0e2b973260306c777c44b967399a6b0d7a80a450a59c71c9
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 23:39:09,274 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-13 23:39:09,383 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-32bit-Taipan_Bitvector.epf
[2024-11-13 23:39:09,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 23:39:09,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 23:39:09,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 23:39:09,421 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 23:39:09,421 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 23:39:09,422 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 23:39:09,422 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 23:39:09,422 INFO L153 SettingsManager]: * User list type=DISABLED
[2024-11-13 23:39:09,422 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2024-11-13 23:39:09,422 INFO L153 SettingsManager]: * Explicit value domain=true
[2024-11-13 23:39:09,422 INFO L153 SettingsManager]: * Octagon Domain=false
[2024-11-13 23:39:09,422 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain
[2024-11-13 23:39:09,422 INFO L153 SettingsManager]: * Interval Domain=false
[2024-11-13 23:39:09,423 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 23:39:09,423 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-13 23:39:09,423 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-13 23:39:09,423 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-13 23:39:09,423 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-13 23:39:09,423 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 23:39:09,423 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 23:39:09,423 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 23:39:09,424 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-13 23:39:09,424 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-13 23:39:09,424 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-13 23:39:09,424 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-13 23:39:09,424 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-13 23:39:09,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-13 23:39:09,424 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-13 23:39:09,424 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 23:39:09,424 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-13 23:39:09,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-13 23:39:09,425 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-13 23:39:09,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-13 23:39:09,425 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 23:39:09,425 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 23:39:09,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 23:39:09,425 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS
[2024-11-13 23:39:09,425 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-13 23:39:09,425 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 23:39:09,426 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE
[2024-11-13 23:39:09,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E
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 -> Taipan
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 -> 8dc85e0a8f6bbccc0e2b973260306c777c44b967399a6b0d7a80a450a59c71c9
[2024-11-13 23:39:09,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 23:39:09,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 23:39:09,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 23:39:09,793 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-13 23:39:09,793 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-13 23:39:09,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-82.i
Unable to find full path for "g++"
[2024-11-13 23:39:11,744 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-13 23:39:12,124 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-13 23:39:12,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-82.i
[2024-11-13 23:39:12,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/data/5cf57f64c/0d30ae74768749a4b23b5ea81c59f7f2/FLAGd209ace17
[2024-11-13 23:39:12,206 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/data/5cf57f64c/0d30ae74768749a4b23b5ea81c59f7f2
[2024-11-13 23:39:12,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 23:39:12,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 23:39:12,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 23:39:12,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 23:39:12,225 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 23:39:12,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:39:12" (1/1) ...
[2024-11-13 23:39:12,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9cbbf8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:12, skipping insertion in model container
[2024-11-13 23:39:12,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:39:12" (1/1) ...
[2024-11-13 23:39:12,249 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-13 23:39:12,458 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_c4508605-524c-46f3-911b-0b58719eb0f3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-82.i[916,929]
[2024-11-13 23:39:12,581 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 23:39:12,608 INFO L200 MainTranslator]: Completed pre-run
[2024-11-13 23:39:12,625 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_c4508605-524c-46f3-911b-0b58719eb0f3/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-82.i[916,929]
[2024-11-13 23:39:12,732 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 23:39:12,769 INFO L204 MainTranslator]: Completed translation
[2024-11-13 23:39:12,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:12 WrapperNode
[2024-11-13 23:39:12,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 23:39:12,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 23:39:12,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 23:39:12,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 23:39:12,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:12" (1/1) ...
[2024-11-13 23:39:12,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:12" (1/1) ...
[2024-11-13 23:39:12,868 INFO L138 Inliner]: procedures = 34, calls = 159, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 491
[2024-11-13 23:39:12,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 23:39:12,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 23:39:12,873 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 23:39:12,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 23:39:12,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:12" (1/1) ...
[2024-11-13 23:39:12,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:12" (1/1) ...
[2024-11-13 23:39:12,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:12" (1/1) ...
[2024-11-13 23:39:12,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:12" (1/1) ...
[2024-11-13 23:39:12,938 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:12" (1/1) ...
[2024-11-13 23:39:12,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:12" (1/1) ...
[2024-11-13 23:39:12,947 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:12" (1/1) ...
[2024-11-13 23:39:12,950 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:12" (1/1) ...
[2024-11-13 23:39:12,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 23:39:12,956 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 23:39:12,957 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 23:39:12,957 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-13 23:39:12,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:12" (1/1) ...
[2024-11-13 23:39:12,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-13 23:39:12,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/z3
[2024-11-13 23:39:13,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-13 23:39:13,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-13 23:39:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 23:39:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8
[2024-11-13 23:39:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8
[2024-11-13 23:39:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8
[2024-11-13 23:39:13,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1
[2024-11-13 23:39:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2024-11-13 23:39:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4
[2024-11-13 23:39:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4
[2024-11-13 23:39:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1
[2024-11-13 23:39:13,053 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-13 23:39:13,053 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-13 23:39:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4
[2024-11-13 23:39:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 23:39:13,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 23:39:13,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1
[2024-11-13 23:39:13,222 INFO L238 CfgBuilder]: Building ICFG
[2024-11-13 23:39:13,224 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 23:39:16,072 INFO L? ?]: Removed 124 outVars from TransFormulas that were not future-live.
[2024-11-13 23:39:16,073 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-13 23:39:16,083 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 23:39:16,083 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-13 23:39:16,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:39:16 BoogieIcfgContainer
[2024-11-13 23:39:16,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 23:39:16,086 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 23:39:16,086 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 23:39:16,091 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-13 23:39:16,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 11:39:12" (1/3) ...
[2024-11-13 23:39:16,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5809b8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:39:16, skipping insertion in model container
[2024-11-13 23:39:16,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:39:12" (2/3) ...
[2024-11-13 23:39:16,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5809b8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 11:39:16, skipping insertion in model container
[2024-11-13 23:39:16,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:39:16" (3/3) ...
[2024-11-13 23:39:16,093 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-82.i
[2024-11-13 23:39:16,108 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 23:39:16,110 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-s_file-82.i that has 2 procedures, 108 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-13 23:39:16,173 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 23:39:16,183 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=FINITE_AUTOMATA, 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;@fe100c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 23:39:16,183 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-13 23:39:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand has 108 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-13 23:39:16,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2024-11-13 23:39:16,204 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:39:16,204 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:39:16,205 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:39:16,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:39:16,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1582107277, now seen corresponding path program 1 times
[2024-11-13 23:39:16,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:39:16,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543134615]
[2024-11-13 23:39:16,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:39:16,227 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:39:16,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:39:16,229 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:39:16,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2024-11-13 23:39:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:39:16,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-13 23:39:16,610 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:39:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked.
[2024-11-13 23:39:16,648 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:39:16,649 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:39:16,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543134615]
[2024-11-13 23:39:16,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543134615] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:39:16,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:39:16,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 23:39:16,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874048153]
[2024-11-13 23:39:16,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:39:16,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-13 23:39:16,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:39:16,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-13 23:39:16,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-13 23:39:16,685 INFO L87 Difference]: Start difference. First operand has 108 states, 91 states have (on average 1.4175824175824177) internal successors, (129), 92 states have internal predecessors, (129), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 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)
[2024-11-13 23:39:16,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:39:16,727 INFO L93 Difference]: Finished difference Result 209 states and 322 transitions.
[2024-11-13 23:39:16,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-13 23:39:16,729 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 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 119
[2024-11-13 23:39:16,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:39:16,737 INFO L225 Difference]: With dead ends: 209
[2024-11-13 23:39:16,738 INFO L226 Difference]: Without dead ends: 104
[2024-11-13 23:39:16,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-13 23:39:16,747 INFO L432 NwaCegarLoop]: 146 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, 146 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
[2024-11-13 23:39:16,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-13 23:39:16,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states.
[2024-11-13 23:39:16,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104.
[2024-11-13 23:39:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 88 states have internal predecessors, (118), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-13 23:39:16,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 146 transitions.
[2024-11-13 23:39:16,790 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 146 transitions. Word has length 119
[2024-11-13 23:39:16,790 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:39:16,790 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 146 transitions.
[2024-11-13 23:39:16,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 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)
[2024-11-13 23:39:16,791 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 146 transitions.
[2024-11-13 23:39:16,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2024-11-13 23:39:16,795 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:39:16,795 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:39:16,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0
[2024-11-13 23:39:16,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:39:16,996 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:39:16,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:39:16,997 INFO L85 PathProgramCache]: Analyzing trace with hash -920989069, now seen corresponding path program 1 times
[2024-11-13 23:39:16,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:39:16,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [782110340]
[2024-11-13 23:39:16,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:39:16,998 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:39:16,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:39:17,000 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:39:17,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2024-11-13 23:39:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:39:17,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-13 23:39:17,376 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:39:17,448 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-13 23:39:17,452 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:39:17,452 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:39:17,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [782110340]
[2024-11-13 23:39:17,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [782110340] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:39:17,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:39:17,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-13 23:39:17,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133012147]
[2024-11-13 23:39:17,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:39:17,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 23:39:17,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:39:17,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 23:39:17,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 23:39:17,456 INFO L87 Difference]: Start difference. First operand 104 states and 146 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:39:17,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:39:17,544 INFO L93 Difference]: Finished difference Result 207 states and 292 transitions.
[2024-11-13 23:39:17,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 23:39:17,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 119
[2024-11-13 23:39:17,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:39:17,550 INFO L225 Difference]: With dead ends: 207
[2024-11-13 23:39:17,550 INFO L226 Difference]: Without dead ends: 106
[2024-11-13 23:39:17,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 23:39:17,553 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 23:39:17,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 421 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 23:39:17,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2024-11-13 23:39:17,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106.
[2024-11-13 23:39:17,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 90 states have (on average 1.3333333333333333) internal successors, (120), 90 states have internal predecessors, (120), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-13 23:39:17,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 148 transitions.
[2024-11-13 23:39:17,574 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 148 transitions. Word has length 119
[2024-11-13 23:39:17,576 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:39:17,576 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 148 transitions.
[2024-11-13 23:39:17,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:39:17,576 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 148 transitions.
[2024-11-13 23:39:17,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122
[2024-11-13 23:39:17,581 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:39:17,581 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:39:17,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2024-11-13 23:39:17,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:39:17,782 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:39:17,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:39:17,783 INFO L85 PathProgramCache]: Analyzing trace with hash -17492891, now seen corresponding path program 1 times
[2024-11-13 23:39:17,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:39:17,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [441228380]
[2024-11-13 23:39:17,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:39:17,784 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:39:17,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:39:17,786 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:39:17,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-11-13 23:39:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:39:18,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-13 23:39:18,142 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:39:18,216 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-13 23:39:18,216 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:39:18,216 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:39:18,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [441228380]
[2024-11-13 23:39:18,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [441228380] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:39:18,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:39:18,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-13 23:39:18,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068270981]
[2024-11-13 23:39:18,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:39:18,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-13 23:39:18,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:39:18,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-13 23:39:18,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-13 23:39:18,218 INFO L87 Difference]: Start difference. First operand 106 states and 148 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:39:18,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:39:18,318 INFO L93 Difference]: Finished difference Result 212 states and 297 transitions.
[2024-11-13 23:39:18,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-13 23:39:18,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 121
[2024-11-13 23:39:18,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:39:18,333 INFO L225 Difference]: With dead ends: 212
[2024-11-13 23:39:18,333 INFO L226 Difference]: Without dead ends: 109
[2024-11-13 23:39:18,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-13 23:39:18,335 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 23:39:18,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 557 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 23:39:18,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2024-11-13 23:39:18,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 107.
[2024-11-13 23:39:18,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 91 states have (on average 1.3296703296703296) internal successors, (121), 91 states have internal predecessors, (121), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-13 23:39:18,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 149 transitions.
[2024-11-13 23:39:18,345 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 149 transitions. Word has length 121
[2024-11-13 23:39:18,345 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:39:18,345 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 149 transitions.
[2024-11-13 23:39:18,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:39:18,346 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 149 transitions.
[2024-11-13 23:39:18,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-13 23:39:18,348 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:39:18,348 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:39:18,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2024-11-13 23:39:18,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:39:18,552 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:39:18,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:39:18,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1583046900, now seen corresponding path program 1 times
[2024-11-13 23:39:18,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:39:18,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2029533584]
[2024-11-13 23:39:18,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:39:18,553 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:39:18,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:39:18,557 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:39:18,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2024-11-13 23:39:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:39:18,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-13 23:39:18,924 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:39:19,014 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-13 23:39:19,014 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:39:19,014 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:39:19,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2029533584]
[2024-11-13 23:39:19,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2029533584] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:39:19,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:39:19,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-13 23:39:19,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165595071]
[2024-11-13 23:39:19,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:39:19,015 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 23:39:19,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:39:19,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 23:39:19,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 23:39:19,017 INFO L87 Difference]: Start difference. First operand 107 states and 149 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:39:22,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:39:22,441 INFO L93 Difference]: Finished difference Result 206 states and 288 transitions.
[2024-11-13 23:39:22,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 23:39:22,442 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), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123
[2024-11-13 23:39:22,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:39:22,444 INFO L225 Difference]: With dead ends: 206
[2024-11-13 23:39:22,444 INFO L226 Difference]: Without dead ends: 102
[2024-11-13 23:39:22,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 23:39:22,447 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time
[2024-11-13 23:39:22,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 344 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time]
[2024-11-13 23:39:22,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states.
[2024-11-13 23:39:22,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102.
[2024-11-13 23:39:22,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 86 states have (on average 1.313953488372093) internal successors, (113), 86 states have internal predecessors, (113), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-13 23:39:22,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 141 transitions.
[2024-11-13 23:39:22,460 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 141 transitions. Word has length 123
[2024-11-13 23:39:22,464 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:39:22,464 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 141 transitions.
[2024-11-13 23:39:22,464 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), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:39:22,465 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 141 transitions.
[2024-11-13 23:39:22,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-13 23:39:22,467 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:39:22,471 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:39:22,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2024-11-13 23:39:22,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:39:22,672 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:39:22,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:39:22,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1317653772, now seen corresponding path program 1 times
[2024-11-13 23:39:22,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:39:22,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353599117]
[2024-11-13 23:39:22,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:39:22,674 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:39:22,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:39:22,679 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:39:22,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2024-11-13 23:39:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:39:23,109 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-13 23:39:23,115 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:39:23,173 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-13 23:39:23,174 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:39:23,175 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:39:23,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353599117]
[2024-11-13 23:39:23,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1353599117] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:39:23,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:39:23,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-13 23:39:23,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725480478]
[2024-11-13 23:39:23,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:39:23,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 23:39:23,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:39:23,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 23:39:23,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 23:39:23,179 INFO L87 Difference]: Start difference. First operand 102 states and 141 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:39:23,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:39:23,356 INFO L93 Difference]: Finished difference Result 204 states and 283 transitions.
[2024-11-13 23:39:23,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 23:39:23,357 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), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123
[2024-11-13 23:39:23,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:39:23,359 INFO L225 Difference]: With dead ends: 204
[2024-11-13 23:39:23,359 INFO L226 Difference]: Without dead ends: 105
[2024-11-13 23:39:23,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 23:39:23,363 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-13 23:39:23,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 403 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-13 23:39:23,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states.
[2024-11-13 23:39:23,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 104.
[2024-11-13 23:39:23,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 88 states have (on average 1.3068181818181819) internal successors, (115), 88 states have internal predecessors, (115), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-13 23:39:23,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 143 transitions.
[2024-11-13 23:39:23,376 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 143 transitions. Word has length 123
[2024-11-13 23:39:23,377 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:39:23,377 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 143 transitions.
[2024-11-13 23:39:23,377 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), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:39:23,378 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 143 transitions.
[2024-11-13 23:39:23,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-13 23:39:23,380 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:39:23,381 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:39:23,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0
[2024-11-13 23:39:23,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:39:23,582 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:39:23,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:39:23,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1997712142, now seen corresponding path program 1 times
[2024-11-13 23:39:23,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:39:23,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [418282824]
[2024-11-13 23:39:23,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:39:23,584 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:39:23,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:39:23,589 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:39:23,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2024-11-13 23:39:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:39:23,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-13 23:39:23,928 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:39:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-13 23:39:24,011 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:39:24,011 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:39:24,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [418282824]
[2024-11-13 23:39:24,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [418282824] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:39:24,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:39:24,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-13 23:39:24,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413528859]
[2024-11-13 23:39:24,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:39:24,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-13 23:39:24,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:39:24,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-13 23:39:24,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-13 23:39:24,014 INFO L87 Difference]: Start difference. First operand 104 states and 143 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:39:24,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:39:24,187 INFO L93 Difference]: Finished difference Result 208 states and 287 transitions.
[2024-11-13 23:39:24,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-13 23:39:24,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123
[2024-11-13 23:39:24,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:39:24,190 INFO L225 Difference]: With dead ends: 208
[2024-11-13 23:39:24,190 INFO L226 Difference]: Without dead ends: 107
[2024-11-13 23:39:24,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-13 23:39:24,191 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 1 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-13 23:39:24,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 529 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-13 23:39:24,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2024-11-13 23:39:24,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 106.
[2024-11-13 23:39:24,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 90 states have (on average 1.3) internal successors, (117), 90 states have internal predecessors, (117), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-13 23:39:24,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 145 transitions.
[2024-11-13 23:39:24,206 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 145 transitions. Word has length 123
[2024-11-13 23:39:24,209 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:39:24,210 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 145 transitions.
[2024-11-13 23:39:24,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:39:24,210 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 145 transitions.
[2024-11-13 23:39:24,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-13 23:39:24,212 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:39:24,212 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:39:24,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0
[2024-11-13 23:39:24,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:39:24,412 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:39:24,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:39:24,413 INFO L85 PathProgramCache]: Analyzing trace with hash -522247792, now seen corresponding path program 1 times
[2024-11-13 23:39:24,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:39:24,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1767390162]
[2024-11-13 23:39:24,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:39:24,414 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:39:24,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:39:24,415 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:39:24,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process
[2024-11-13 23:39:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:39:24,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-13 23:39:24,691 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:39:24,774 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-13 23:39:24,774 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:39:24,774 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:39:24,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1767390162]
[2024-11-13 23:39:24,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1767390162] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:39:24,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:39:24,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-13 23:39:24,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185501036]
[2024-11-13 23:39:24,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:39:24,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-13 23:39:24,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:39:24,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-13 23:39:24,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-13 23:39:24,777 INFO L87 Difference]: Start difference. First operand 106 states and 145 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:39:25,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:39:25,031 INFO L93 Difference]: Finished difference Result 212 states and 291 transitions.
[2024-11-13 23:39:25,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-13 23:39:25,032 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123
[2024-11-13 23:39:25,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:39:25,033 INFO L225 Difference]: With dead ends: 212
[2024-11-13 23:39:25,033 INFO L226 Difference]: Without dead ends: 109
[2024-11-13 23:39:25,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-13 23:39:25,034 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 1 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-13 23:39:25,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 655 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-13 23:39:25,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states.
[2024-11-13 23:39:25,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108.
[2024-11-13 23:39:25,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 92 states have (on average 1.2934782608695652) internal successors, (119), 92 states have internal predecessors, (119), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-13 23:39:25,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 147 transitions.
[2024-11-13 23:39:25,042 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 147 transitions. Word has length 123
[2024-11-13 23:39:25,042 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:39:25,042 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 147 transitions.
[2024-11-13 23:39:25,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:39:25,043 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 147 transitions.
[2024-11-13 23:39:25,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-13 23:39:25,044 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:39:25,044 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:39:25,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0
[2024-11-13 23:39:25,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:39:25,245 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:39:25,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:39:25,245 INFO L85 PathProgramCache]: Analyzing trace with hash -520400750, now seen corresponding path program 1 times
[2024-11-13 23:39:25,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:39:25,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [851071838]
[2024-11-13 23:39:25,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:39:25,246 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:39:25,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:39:25,248 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:39:25,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process
[2024-11-13 23:39:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:39:25,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-13 23:39:25,506 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:39:25,624 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-13 23:39:25,625 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:39:25,625 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:39:25,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [851071838]
[2024-11-13 23:39:25,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [851071838] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:39:25,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:39:25,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-13 23:39:25,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890908717]
[2024-11-13 23:39:25,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:39:25,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 23:39:25,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:39:25,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 23:39:25,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 23:39:25,627 INFO L87 Difference]: Start difference. First operand 108 states and 147 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:39:25,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:39:25,963 INFO L93 Difference]: Finished difference Result 265 states and 362 transitions.
[2024-11-13 23:39:25,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 23:39:25,964 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), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123
[2024-11-13 23:39:25,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:39:25,966 INFO L225 Difference]: With dead ends: 265
[2024-11-13 23:39:25,966 INFO L226 Difference]: Without dead ends: 160
[2024-11-13 23:39:25,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 23:39:25,967 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 59 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-13 23:39:25,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 399 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-13 23:39:25,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states.
[2024-11-13 23:39:25,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 128.
[2024-11-13 23:39:25,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 112 states have (on average 1.3214285714285714) internal successors, (148), 112 states have internal predecessors, (148), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-13 23:39:25,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 176 transitions.
[2024-11-13 23:39:25,983 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 176 transitions. Word has length 123
[2024-11-13 23:39:25,983 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:39:25,983 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 176 transitions.
[2024-11-13 23:39:25,983 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), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:39:25,984 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 176 transitions.
[2024-11-13 23:39:25,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-13 23:39:25,985 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:39:25,985 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:39:25,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0
[2024-11-13 23:39:26,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:39:26,186 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:39:26,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:39:26,186 INFO L85 PathProgramCache]: Analyzing trace with hash -392236983, now seen corresponding path program 1 times
[2024-11-13 23:39:26,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:39:26,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1054002931]
[2024-11-13 23:39:26,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:39:26,187 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:39:26,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:39:26,189 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:39:26,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process
[2024-11-13 23:39:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:39:26,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 30 conjuncts are in the unsatisfiable core
[2024-11-13 23:39:26,627 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:39:26,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10
[2024-11-13 23:39:26,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24
[2024-11-13 23:39:27,068 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:39:27,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37
[2024-11-13 23:39:27,417 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:39:27,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40
[2024-11-13 23:39:27,964 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:39:27,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 58
[2024-11-13 23:39:28,214 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:39:28,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 114 treesize of output 72
[2024-11-13 23:39:30,456 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:39:30,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 85 treesize of output 75
[2024-11-13 23:39:33,166 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:39:33,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 97 treesize of output 43
[2024-11-13 23:39:33,561 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked.
[2024-11-13 23:39:33,561 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:39:33,562 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:39:33,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1054002931]
[2024-11-13 23:39:33,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1054002931] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:39:33,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:39:33,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2024-11-13 23:39:33,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629610054]
[2024-11-13 23:39:33,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:39:33,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-13 23:39:33,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:39:33,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-13 23:39:33,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=134, Unknown=1, NotChecked=0, Total=182
[2024-11-13 23:39:33,565 INFO L87 Difference]: Start difference. First operand 128 states and 176 transitions. Second operand has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14)
[2024-11-13 23:39:39,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:39:41,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:39:43,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:39:45,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:39:47,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:39:49,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:39:52,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:39:54,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:39:56,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:39:58,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:40:00,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:40:03,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:40:04,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:40:07,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:40:07,324 INFO L93 Difference]: Finished difference Result 312 states and 428 transitions.
[2024-11-13 23:40:07,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-11-13 23:40:07,326 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 123
[2024-11-13 23:40:07,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:40:07,327 INFO L225 Difference]: With dead ends: 312
[2024-11-13 23:40:07,327 INFO L226 Difference]: Without dead ends: 187
[2024-11-13 23:40:07,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 109 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=80, Invalid=225, Unknown=1, NotChecked=0, Total=306
[2024-11-13 23:40:07,328 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 349 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 66 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.3s IncrementalHoareTripleChecker+Time
[2024-11-13 23:40:07,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 707 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 777 Invalid, 9 Unknown, 0 Unchecked, 33.3s Time]
[2024-11-13 23:40:07,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states.
[2024-11-13 23:40:07,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 184.
[2024-11-13 23:40:07,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 161 states have (on average 1.3167701863354038) internal successors, (212), 162 states have internal predecessors, (212), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20)
[2024-11-13 23:40:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 252 transitions.
[2024-11-13 23:40:07,350 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 252 transitions. Word has length 123
[2024-11-13 23:40:07,352 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:40:07,353 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 252 transitions.
[2024-11-13 23:40:07,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14)
[2024-11-13 23:40:07,353 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 252 transitions.
[2024-11-13 23:40:07,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-13 23:40:07,354 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:40:07,354 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:40:07,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0
[2024-11-13 23:40:07,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:40:07,555 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:40:07,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:40:07,555 INFO L85 PathProgramCache]: Analyzing trace with hash 650844329, now seen corresponding path program 1 times
[2024-11-13 23:40:07,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:40:07,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051511390]
[2024-11-13 23:40:07,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:40:07,556 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:40:07,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:40:07,558 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:40:07,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process
[2024-11-13 23:40:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:40:07,881 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-13 23:40:07,886 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:40:07,907 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,910 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,913 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,916 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,918 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,921 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,924 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,926 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,929 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,932 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,934 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,937 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,940 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,942 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,945 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,947 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,950 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,953 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,955 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,958 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,961 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,963 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,966 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,969 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,972 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,975 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,977 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,980 INFO L190 IndexEqualityManager]: detected not equals via solver
[2024-11-13 23:40:07,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 28 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 121
[2024-11-13 23:40:08,623 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:40:08,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 131 treesize of output 53
[2024-11-13 23:40:09,202 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-13 23:40:09,202 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:40:09,203 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:40:09,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051511390]
[2024-11-13 23:40:09,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1051511390] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:40:09,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:40:09,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-13 23:40:09,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830511195]
[2024-11-13 23:40:09,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:40:09,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-13 23:40:09,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:40:09,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-13 23:40:09,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 23:40:09,204 INFO L87 Difference]: Start difference. First operand 184 states and 252 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:40:12,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:40:13,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:40:13,946 INFO L93 Difference]: Finished difference Result 469 states and 641 transitions.
[2024-11-13 23:40:13,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-13 23:40:13,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123
[2024-11-13 23:40:13,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:40:13,954 INFO L225 Difference]: With dead ends: 469
[2024-11-13 23:40:13,954 INFO L226 Difference]: Without dead ends: 288
[2024-11-13 23:40:13,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-13 23:40:13,956 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 100 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time
[2024-11-13 23:40:13,957 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 422 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time]
[2024-11-13 23:40:13,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states.
[2024-11-13 23:40:13,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 234.
[2024-11-13 23:40:13,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 195 states have (on average 1.2923076923076924) internal successors, (252), 196 states have internal predecessors, (252), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34)
[2024-11-13 23:40:13,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 320 transitions.
[2024-11-13 23:40:13,991 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 320 transitions. Word has length 123
[2024-11-13 23:40:13,991 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:40:13,991 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 320 transitions.
[2024-11-13 23:40:13,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:40:13,992 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 320 transitions.
[2024-11-13 23:40:13,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2024-11-13 23:40:13,993 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:40:13,994 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:40:14,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0
[2024-11-13 23:40:14,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:40:14,194 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:40:14,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:40:14,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1249055904, now seen corresponding path program 1 times
[2024-11-13 23:40:14,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:40:14,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272701127]
[2024-11-13 23:40:14,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:40:14,196 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:40:14,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:40:14,197 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:40:14,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process
[2024-11-13 23:40:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:40:14,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 40 conjuncts are in the unsatisfiable core
[2024-11-13 23:40:14,590 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:40:14,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1
[2024-11-13 23:40:15,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 34
[2024-11-13 23:40:15,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 34
[2024-11-13 23:40:15,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 44
[2024-11-13 23:40:16,177 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:40:16,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 57
[2024-11-13 23:40:16,754 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:40:16,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 70
[2024-11-13 23:40:17,434 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:40:17,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 73
[2024-11-13 23:40:18,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:40:18,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 110 treesize of output 88
[2024-11-13 23:40:18,637 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:40:18,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 148
[2024-11-13 23:40:20,218 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:40:20,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 197 treesize of output 157
[2024-11-13 23:40:25,386 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:40:25,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 339 treesize of output 129
[2024-11-13 23:40:26,031 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 304 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2024-11-13 23:40:26,031 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:40:26,031 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:40:26,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272701127]
[2024-11-13 23:40:26,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [272701127] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:40:26,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:40:26,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2024-11-13 23:40:26,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134138013]
[2024-11-13 23:40:26,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:40:26,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-11-13 23:40:26,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:40:26,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-11-13 23:40:26,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210
[2024-11-13 23:40:26,033 INFO L87 Difference]: Start difference. First operand 234 states and 320 transitions. Second operand has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 14 states have internal predecessors, (70), 5 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2024-11-13 23:40:32,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:40:35,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:40:37,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:40:39,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:40:41,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:40:53,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:40:55,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:40:57,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-13 23:40:58,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-13 23:41:01,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:41:01,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:41:01,309 INFO L93 Difference]: Finished difference Result 666 states and 868 transitions.
[2024-11-13 23:41:01,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-11-13 23:41:01,310 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 14 states have internal predecessors, (70), 5 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 125
[2024-11-13 23:41:01,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:41:01,314 INFO L225 Difference]: With dead ends: 666
[2024-11-13 23:41:01,314 INFO L226 Difference]: Without dead ends: 664
[2024-11-13 23:41:01,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342
[2024-11-13 23:41:01,315 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 599 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 47 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.0s IncrementalHoareTripleChecker+Time
[2024-11-13 23:41:01,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 669 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 878 Invalid, 4 Unknown, 0 Unchecked, 31.0s Time]
[2024-11-13 23:41:01,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states.
[2024-11-13 23:41:01,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 571.
[2024-11-13 23:41:01,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 491 states have (on average 1.279022403258656) internal successors, (628), 495 states have internal predecessors, (628), 64 states have call successors, (64), 15 states have call predecessors, (64), 15 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64)
[2024-11-13 23:41:01,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 756 transitions.
[2024-11-13 23:41:01,389 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 756 transitions. Word has length 125
[2024-11-13 23:41:01,391 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:41:01,391 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 756 transitions.
[2024-11-13 23:41:01,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.666666666666667) internal successors, (70), 14 states have internal predecessors, (70), 5 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2024-11-13 23:41:01,391 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 756 transitions.
[2024-11-13 23:41:01,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2024-11-13 23:41:01,393 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:41:01,393 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:41:01,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0
[2024-11-13 23:41:01,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:41:01,594 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:41:01,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:41:01,594 INFO L85 PathProgramCache]: Analyzing trace with hash -1247208862, now seen corresponding path program 1 times
[2024-11-13 23:41:01,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:41:01,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076375274]
[2024-11-13 23:41:01,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:41:01,595 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:41:01,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:41:01,596 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:41:01,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process
[2024-11-13 23:41:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:41:02,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 30 conjuncts are in the unsatisfiable core
[2024-11-13 23:41:02,086 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:41:02,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1
[2024-11-13 23:41:02,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10
[2024-11-13 23:41:02,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24
[2024-11-13 23:41:02,444 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:41:02,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27
[2024-11-13 23:41:02,624 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:41:02,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 37
[2024-11-13 23:41:02,980 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:41:02,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 55
[2024-11-13 23:41:03,149 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:41:03,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 101 treesize of output 98
[2024-11-13 23:41:03,388 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:41:03,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 104 treesize of output 118
[2024-11-13 23:41:05,118 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:41:05,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 145 treesize of output 61
[2024-11-13 23:41:05,290 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked.
[2024-11-13 23:41:05,290 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:41:05,291 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:41:05,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076375274]
[2024-11-13 23:41:05,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2076375274] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:41:05,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:41:05,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2024-11-13 23:41:05,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250977535]
[2024-11-13 23:41:05,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:41:05,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-13 23:41:05,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:41:05,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-13 23:41:05,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156
[2024-11-13 23:41:05,292 INFO L87 Difference]: Start difference. First operand 571 states and 756 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14)
[2024-11-13 23:41:11,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:41:16,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:41:20,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:41:22,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:41:22,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:41:22,316 INFO L93 Difference]: Finished difference Result 1307 states and 1717 transitions.
[2024-11-13 23:41:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-11-13 23:41:22,318 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 125
[2024-11-13 23:41:22,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:41:22,324 INFO L225 Difference]: With dead ends: 1307
[2024-11-13 23:41:22,324 INFO L226 Difference]: Without dead ends: 842
[2024-11-13 23:41:22,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272
[2024-11-13 23:41:22,326 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 307 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time
[2024-11-13 23:41:22,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 477 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 16.4s Time]
[2024-11-13 23:41:22,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states.
[2024-11-13 23:41:22,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 606.
[2024-11-13 23:41:22,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 525 states have (on average 1.2495238095238095) internal successors, (656), 528 states have internal predecessors, (656), 62 states have call successors, (62), 18 states have call predecessors, (62), 18 states have return successors, (62), 59 states have call predecessors, (62), 62 states have call successors, (62)
[2024-11-13 23:41:22,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 780 transitions.
[2024-11-13 23:41:22,425 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 780 transitions. Word has length 125
[2024-11-13 23:41:22,426 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:41:22,426 INFO L471 AbstractCegarLoop]: Abstraction has 606 states and 780 transitions.
[2024-11-13 23:41:22,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14)
[2024-11-13 23:41:22,426 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 780 transitions.
[2024-11-13 23:41:22,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2024-11-13 23:41:22,428 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:41:22,428 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:41:22,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0
[2024-11-13 23:41:22,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:41:22,632 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:41:22,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:41:22,637 INFO L85 PathProgramCache]: Analyzing trace with hash 527798500, now seen corresponding path program 1 times
[2024-11-13 23:41:22,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:41:22,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [524977941]
[2024-11-13 23:41:22,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:41:22,638 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:41:22,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:41:22,641 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:41:22,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process
[2024-11-13 23:41:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:41:23,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 35 conjuncts are in the unsatisfiable core
[2024-11-13 23:41:23,144 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:41:23,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1
[2024-11-13 23:41:23,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 44
[2024-11-13 23:41:24,426 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:41:24,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 47
[2024-11-13 23:41:24,848 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:41:24,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 57
[2024-11-13 23:41:25,451 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:41:25,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 70
[2024-11-13 23:41:26,178 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:41:26,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 105 treesize of output 83
[2024-11-13 23:41:27,435 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:41:27,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 120 treesize of output 101
[2024-11-13 23:41:27,903 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:41:27,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 196 treesize of output 172
[2024-11-13 23:41:29,705 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:41:29,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 227 treesize of output 187
[2024-11-13 23:41:34,937 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:41:34,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 369 treesize of output 141
[2024-11-13 23:41:35,536 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2024-11-13 23:41:35,536 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:41:35,537 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:41:35,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [524977941]
[2024-11-13 23:41:35,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [524977941] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:41:35,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:41:35,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2024-11-13 23:41:35,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215733299]
[2024-11-13 23:41:35,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:41:35,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-11-13 23:41:35,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:41:35,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-11-13 23:41:35,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210
[2024-11-13 23:41:35,539 INFO L87 Difference]: Start difference. First operand 606 states and 780 transitions. Second operand has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 14 states have internal predecessors, (73), 6 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14)
[2024-11-13 23:41:43,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:41:46,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:41:49,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:41:51,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:41:53,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:41:56,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:42:03,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:42:07,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:42:10,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:42:12,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:42:14,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:42:14,245 INFO L93 Difference]: Finished difference Result 1879 states and 2378 transitions.
[2024-11-13 23:42:14,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-11-13 23:42:14,246 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 14 states have internal predecessors, (73), 6 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 125
[2024-11-13 23:42:14,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:42:14,252 INFO L225 Difference]: With dead ends: 1879
[2024-11-13 23:42:14,255 INFO L226 Difference]: Without dead ends: 1379
[2024-11-13 23:42:14,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306
[2024-11-13 23:42:14,258 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 302 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 10 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.7s IncrementalHoareTripleChecker+Time
[2024-11-13 23:42:14,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 721 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1014 Invalid, 6 Unknown, 0 Unchecked, 34.7s Time]
[2024-11-13 23:42:14,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states.
[2024-11-13 23:42:14,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1270.
[2024-11-13 23:42:14,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1270 states, 1102 states have (on average 1.2377495462794919) internal successors, (1364), 1111 states have internal predecessors, (1364), 120 states have call successors, (120), 47 states have call predecessors, (120), 47 states have return successors, (120), 111 states have call predecessors, (120), 120 states have call successors, (120)
[2024-11-13 23:42:14,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1604 transitions.
[2024-11-13 23:42:14,486 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1604 transitions. Word has length 125
[2024-11-13 23:42:14,487 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:42:14,487 INFO L471 AbstractCegarLoop]: Abstraction has 1270 states and 1604 transitions.
[2024-11-13 23:42:14,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.866666666666666) internal successors, (73), 14 states have internal predecessors, (73), 6 states have call successors, (14), 6 states have call predecessors, (14), 6 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14)
[2024-11-13 23:42:14,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1604 transitions.
[2024-11-13 23:42:14,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2024-11-13 23:42:14,490 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:42:14,490 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:42:14,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0
[2024-11-13 23:42:14,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:42:14,691 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:42:14,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:42:14,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1558839398, now seen corresponding path program 1 times
[2024-11-13 23:42:14,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:42:14,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123489946]
[2024-11-13 23:42:14,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:42:14,692 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:42:14,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:42:14,697 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:42:14,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process
[2024-11-13 23:42:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:42:14,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-13 23:42:14,967 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:42:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked.
[2024-11-13 23:42:15,012 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:42:15,012 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:42:15,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123489946]
[2024-11-13 23:42:15,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [123489946] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:42:15,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:42:15,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-13 23:42:15,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894679966]
[2024-11-13 23:42:15,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:42:15,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 23:42:15,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:42:15,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 23:42:15,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 23:42:15,013 INFO L87 Difference]: Start difference. First operand 1270 states and 1604 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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)
[2024-11-13 23:42:15,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:42:15,215 INFO L93 Difference]: Finished difference Result 2414 states and 3055 transitions.
[2024-11-13 23:42:15,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 23:42:15,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 125
[2024-11-13 23:42:15,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:42:15,222 INFO L225 Difference]: With dead ends: 2414
[2024-11-13 23:42:15,222 INFO L226 Difference]: Without dead ends: 1270
[2024-11-13 23:42:15,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 23:42:15,225 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 23:42:15,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 409 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 23:42:15,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states.
[2024-11-13 23:42:15,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 1270.
[2024-11-13 23:42:15,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1270 states, 1102 states have (on average 1.2332123411978222) internal successors, (1359), 1111 states have internal predecessors, (1359), 120 states have call successors, (120), 47 states have call predecessors, (120), 47 states have return successors, (120), 111 states have call predecessors, (120), 120 states have call successors, (120)
[2024-11-13 23:42:15,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1599 transitions.
[2024-11-13 23:42:15,386 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1599 transitions. Word has length 125
[2024-11-13 23:42:15,386 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:42:15,386 INFO L471 AbstractCegarLoop]: Abstraction has 1270 states and 1599 transitions.
[2024-11-13 23:42:15,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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)
[2024-11-13 23:42:15,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1599 transitions.
[2024-11-13 23:42:15,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126
[2024-11-13 23:42:15,389 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:42:15,389 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:42:15,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0
[2024-11-13 23:42:15,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:42:15,593 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:42:15,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:42:15,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1072746014, now seen corresponding path program 1 times
[2024-11-13 23:42:15,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:42:15,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222098879]
[2024-11-13 23:42:15,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:42:15,594 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:42:15,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:42:15,596 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:42:15,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process
[2024-11-13 23:42:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:42:15,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-13 23:42:15,893 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:42:15,940 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked.
[2024-11-13 23:42:15,940 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:42:15,940 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:42:15,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1222098879]
[2024-11-13 23:42:15,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1222098879] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:42:15,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:42:15,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-13 23:42:15,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477740866]
[2024-11-13 23:42:15,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:42:15,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 23:42:15,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:42:15,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 23:42:15,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 23:42:15,942 INFO L87 Difference]: Start difference. First operand 1270 states and 1599 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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)
[2024-11-13 23:42:16,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:42:16,186 INFO L93 Difference]: Finished difference Result 2423 states and 3060 transitions.
[2024-11-13 23:42:16,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 23:42:16,186 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 125
[2024-11-13 23:42:16,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:42:16,192 INFO L225 Difference]: With dead ends: 2423
[2024-11-13 23:42:16,192 INFO L226 Difference]: Without dead ends: 1270
[2024-11-13 23:42:16,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 23:42:16,195 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-13 23:42:16,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 409 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-13 23:42:16,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1270 states.
[2024-11-13 23:42:16,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1270 to 1270.
[2024-11-13 23:42:16,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1270 states, 1102 states have (on average 1.2286751361161525) internal successors, (1354), 1111 states have internal predecessors, (1354), 120 states have call successors, (120), 47 states have call predecessors, (120), 47 states have return successors, (120), 111 states have call predecessors, (120), 120 states have call successors, (120)
[2024-11-13 23:42:16,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1594 transitions.
[2024-11-13 23:42:16,477 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1594 transitions. Word has length 125
[2024-11-13 23:42:16,477 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:42:16,477 INFO L471 AbstractCegarLoop]: Abstraction has 1270 states and 1594 transitions.
[2024-11-13 23:42:16,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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)
[2024-11-13 23:42:16,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1594 transitions.
[2024-11-13 23:42:16,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2024-11-13 23:42:16,480 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:42:16,480 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:42:16,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0
[2024-11-13 23:42:16,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:42:16,680 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:42:16,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:42:16,681 INFO L85 PathProgramCache]: Analyzing trace with hash 183118728, now seen corresponding path program 1 times
[2024-11-13 23:42:16,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:42:16,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [954498256]
[2024-11-13 23:42:16,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:42:16,681 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:42:16,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:42:16,683 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:42:16,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process
[2024-11-13 23:42:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:42:16,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-13 23:42:16,959 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:42:17,071 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked.
[2024-11-13 23:42:17,071 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:42:17,071 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:42:17,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [954498256]
[2024-11-13 23:42:17,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [954498256] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:42:17,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:42:17,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-13 23:42:17,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962640597]
[2024-11-13 23:42:17,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:42:17,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-13 23:42:17,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:42:17,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-13 23:42:17,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-13 23:42:17,073 INFO L87 Difference]: Start difference. First operand 1270 states and 1594 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14)
[2024-11-13 23:42:17,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:42:17,652 INFO L93 Difference]: Finished difference Result 2484 states and 3113 transitions.
[2024-11-13 23:42:17,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-13 23:42:17,653 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 127
[2024-11-13 23:42:17,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:42:17,660 INFO L225 Difference]: With dead ends: 2484
[2024-11-13 23:42:17,660 INFO L226 Difference]: Without dead ends: 1340
[2024-11-13 23:42:17,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-13 23:42:17,664 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 1 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-13 23:42:17,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 582 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-13 23:42:17,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states.
[2024-11-13 23:42:17,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1270.
[2024-11-13 23:42:17,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1270 states, 1102 states have (on average 1.2241379310344827) internal successors, (1349), 1111 states have internal predecessors, (1349), 120 states have call successors, (120), 47 states have call predecessors, (120), 47 states have return successors, (120), 111 states have call predecessors, (120), 120 states have call successors, (120)
[2024-11-13 23:42:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1270 states to 1270 states and 1589 transitions.
[2024-11-13 23:42:17,903 INFO L78 Accepts]: Start accepts. Automaton has 1270 states and 1589 transitions. Word has length 127
[2024-11-13 23:42:17,904 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:42:17,904 INFO L471 AbstractCegarLoop]: Abstraction has 1270 states and 1589 transitions.
[2024-11-13 23:42:17,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14)
[2024-11-13 23:42:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1589 transitions.
[2024-11-13 23:42:17,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2024-11-13 23:42:17,906 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:42:17,907 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:42:17,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Ended with exit code 0
[2024-11-13 23:42:18,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:42:18,108 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:42:18,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:42:18,109 INFO L85 PathProgramCache]: Analyzing trace with hash 2089521994, now seen corresponding path program 1 times
[2024-11-13 23:42:18,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:42:18,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1341174017]
[2024-11-13 23:42:18,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:42:18,110 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:42:18,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:42:18,112 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:42:18,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process
[2024-11-13 23:42:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:42:18,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 36 conjuncts are in the unsatisfiable core
[2024-11-13 23:42:18,518 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:42:18,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1
[2024-11-13 23:42:19,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 32
[2024-11-13 23:42:19,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 42
[2024-11-13 23:42:20,380 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:42:20,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 45
[2024-11-13 23:42:20,799 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:42:20,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 45
[2024-11-13 23:42:21,218 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:42:21,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 45
[2024-11-13 23:42:21,764 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:42:21,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 60
[2024-11-13 23:42:22,060 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:42:22,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 172 treesize of output 100
[2024-11-13 23:42:23,680 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:42:23,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 158 treesize of output 106
[2024-11-13 23:42:28,170 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:42:28,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 300 treesize of output 114
[2024-11-13 23:42:28,816 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 206 proven. 30 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked.
[2024-11-13 23:42:28,816 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 23:42:37,237 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:42:37,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1341174017]
[2024-11-13 23:42:37,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1341174017] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 23:42:37,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1429920512]
[2024-11-13 23:42:37,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:42:37,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-13 23:42:37,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/cvc4
[2024-11-13 23:42:37,246 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-13 23:42:37,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process
[2024-11-13 23:42:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:42:38,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 45 conjuncts are in the unsatisfiable core
[2024-11-13 23:42:38,574 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:42:39,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-11-13 23:42:43,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 38
[2024-11-13 23:42:44,720 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:42:44,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 49
[2024-11-13 23:42:45,662 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:42:45,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 60
[2024-11-13 23:42:46,825 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:42:46,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 63
[2024-11-13 23:42:47,564 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:42:47,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 83 treesize of output 71
[2024-11-13 23:42:48,944 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:42:48,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 96 treesize of output 87
[2024-11-13 23:42:49,846 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:42:49,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 55 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 154 treesize of output 148
[2024-11-13 23:42:54,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:42:54,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 181 treesize of output 163
[2024-11-13 23:43:00,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:43:00,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 291 treesize of output 139
[2024-11-13 23:43:01,405 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 286 proven. 30 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2024-11-13 23:43:01,405 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 23:43:07,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1429920512] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 23:43:07,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613802924]
[2024-11-13 23:43:07,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:43:07,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 23:43:07,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/z3
[2024-11-13 23:43:07,572 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 23:43:07,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process
[2024-11-13 23:43:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:43:11,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 46 conjuncts are in the unsatisfiable core
[2024-11-13 23:43:11,659 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:43:14,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 34
[2024-11-13 23:43:20,706 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:43:20,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 138 treesize of output 65
[2024-11-13 23:43:21,263 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:43:21,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 138 treesize of output 65
[2024-11-13 23:43:21,808 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:43:21,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 133 treesize of output 75
[2024-11-13 23:43:23,068 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:43:23,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 143 treesize of output 88
[2024-11-13 23:43:24,576 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:43:24,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 153 treesize of output 101
[2024-11-13 23:43:26,725 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:43:26,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 168 treesize of output 119
[2024-11-13 23:43:27,969 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:43:27,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 244 treesize of output 199
[2024-11-13 23:43:32,132 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:43:32,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 275 treesize of output 214
[2024-11-13 23:43:37,951 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:43:37,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 417 treesize of output 159
[2024-11-13 23:43:38,214 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 294 proven. 30 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2024-11-13 23:43:38,214 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 23:43:43,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613802924] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 23:43:43,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 23:43:43,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 19, 22] total 48
[2024-11-13 23:43:43,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679775205]
[2024-11-13 23:43:43,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 23:43:43,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states
[2024-11-13 23:43:43,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:43:43,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants.
[2024-11-13 23:43:43,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=2188, Unknown=0, NotChecked=0, Total=2550
[2024-11-13 23:43:43,265 INFO L87 Difference]: Start difference. First operand 1270 states and 1589 transitions. Second operand has 49 states, 46 states have (on average 4.282608695652174) internal successors, (197), 44 states have internal predecessors, (197), 16 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (40), 14 states have call predecessors, (40), 16 states have call successors, (40)
[2024-11-13 23:44:28,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:44:33,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:44:35,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:44:37,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:44:40,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:44:42,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:44:44,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:44:47,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:44:49,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:45:01,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:45:05,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:45:09,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:46:06,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:46:08,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:46:15,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:46:18,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:46:22,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:46:23,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:46:25,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:46:35,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:46:37,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:46:41,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:46:41,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:46:41,668 INFO L93 Difference]: Finished difference Result 2612 states and 3224 transitions.
[2024-11-13 23:46:41,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states.
[2024-11-13 23:46:41,669 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 46 states have (on average 4.282608695652174) internal successors, (197), 44 states have internal predecessors, (197), 16 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (40), 14 states have call predecessors, (40), 16 states have call successors, (40) Word has length 127
[2024-11-13 23:46:41,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:46:41,675 INFO L225 Difference]: With dead ends: 2612
[2024-11-13 23:46:41,675 INFO L226 Difference]: Without dead ends: 1544
[2024-11-13 23:46:41,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 563 GetRequests, 421 SyntacticMatches, 5 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6169 ImplicationChecksByTransitivity, 108.3s TimeCoverageRelationStatistics Valid=2890, Invalid=16290, Unknown=2, NotChecked=0, Total=19182
[2024-11-13 23:46:41,683 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 1589 mSDsluCounter, 1355 mSDsCounter, 0 mSdLazyCounter, 4131 mSolverCounterSat, 317 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 101.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1593 SdHoareTripleChecker+Valid, 1421 SdHoareTripleChecker+Invalid, 4458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 4131 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 103.4s IncrementalHoareTripleChecker+Time
[2024-11-13 23:46:41,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1593 Valid, 1421 Invalid, 4458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 4131 Invalid, 10 Unknown, 0 Unchecked, 103.4s Time]
[2024-11-13 23:46:41,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1544 states.
[2024-11-13 23:46:41,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1544 to 1180.
[2024-11-13 23:46:41,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1180 states, 1010 states have (on average 1.2148514851485148) internal successors, (1227), 1015 states have internal predecessors, (1227), 112 states have call successors, (112), 57 states have call predecessors, (112), 57 states have return successors, (112), 107 states have call predecessors, (112), 112 states have call successors, (112)
[2024-11-13 23:46:41,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 1180 states and 1451 transitions.
[2024-11-13 23:46:41,953 INFO L78 Accepts]: Start accepts. Automaton has 1180 states and 1451 transitions. Word has length 127
[2024-11-13 23:46:41,954 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:46:41,954 INFO L471 AbstractCegarLoop]: Abstraction has 1180 states and 1451 transitions.
[2024-11-13 23:46:41,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 46 states have (on average 4.282608695652174) internal successors, (197), 44 states have internal predecessors, (197), 16 states have call successors, (40), 16 states have call predecessors, (40), 16 states have return successors, (40), 14 states have call predecessors, (40), 16 states have call successors, (40)
[2024-11-13 23:46:41,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1451 transitions.
[2024-11-13 23:46:41,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2024-11-13 23:46:41,956 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:46:41,956 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:46:41,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0
[2024-11-13 23:46:42,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0
[2024-11-13 23:46:42,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0
[2024-11-13 23:46:42,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:46:42,557 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:46:42,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:46:42,557 INFO L85 PathProgramCache]: Analyzing trace with hash 2003509434, now seen corresponding path program 1 times
[2024-11-13 23:46:42,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:46:42,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1116275923]
[2024-11-13 23:46:42,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:46:42,558 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:46:42,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:46:42,559 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:46:42,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process
[2024-11-13 23:46:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:46:42,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 41 conjuncts are in the unsatisfiable core
[2024-11-13 23:46:42,970 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:46:43,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1
[2024-11-13 23:46:43,721 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 32
[2024-11-13 23:46:43,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 42
[2024-11-13 23:46:44,438 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:46:44,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 55
[2024-11-13 23:46:45,060 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:46:45,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 93 treesize of output 68
[2024-11-13 23:46:45,806 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:46:45,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 108 treesize of output 71
[2024-11-13 23:46:46,400 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:46:46,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 103 treesize of output 81
[2024-11-13 23:46:47,530 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:46:47,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 118 treesize of output 99
[2024-11-13 23:46:47,994 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:46:47,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 204 treesize of output 150
[2024-11-13 23:46:50,044 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:46:50,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 200 treesize of output 160
[2024-11-13 23:46:55,618 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:46:55,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 342 treesize of output 132
[2024-11-13 23:46:56,282 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 291 proven. 33 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2024-11-13 23:46:56,282 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 23:47:05,408 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:47:05,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1116275923]
[2024-11-13 23:47:05,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1116275923] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 23:47:05,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [518381171]
[2024-11-13 23:47:05,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:47:05,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-13 23:47:05,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/cvc4
[2024-11-13 23:47:05,410 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-13 23:47:05,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process
[2024-11-13 23:47:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:47:06,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 50 conjuncts are in the unsatisfiable core
[2024-11-13 23:47:06,787 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:47:07,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-11-13 23:47:10,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30
[2024-11-13 23:47:10,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 30
[2024-11-13 23:47:10,899 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 38
[2024-11-13 23:47:11,729 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:47:11,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 49
[2024-11-13 23:47:12,656 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:47:12,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 78 treesize of output 52
[2024-11-13 23:47:13,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:47:13,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 75 treesize of output 60
[2024-11-13 23:47:14,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:47:14,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 88 treesize of output 76
[2024-11-13 23:47:15,208 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:47:15,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 55 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 146 treesize of output 144
[2024-11-13 23:47:17,569 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:47:17,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 173 treesize of output 159
[2024-11-13 23:47:31,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:47:31,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 55 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 283 treesize of output 135
[2024-11-13 23:47:31,393 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 283 proven. 33 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2024-11-13 23:47:31,394 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 23:47:47,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [518381171] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 23:47:47,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345523943]
[2024-11-13 23:47:47,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:47:47,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 23:47:47,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/z3
[2024-11-13 23:47:47,287 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 23:47:47,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process
[2024-11-13 23:47:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:47:59,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 50 conjuncts are in the unsatisfiable core
[2024-11-13 23:47:59,990 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:48:05,020 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 32
[2024-11-13 23:48:07,226 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:48:07,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 108 treesize of output 53
[2024-11-13 23:48:07,668 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:48:07,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 63
[2024-11-13 23:48:08,953 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:48:08,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 118 treesize of output 66
[2024-11-13 23:48:09,552 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:48:09,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 113 treesize of output 76
[2024-11-13 23:48:10,930 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:48:10,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 128 treesize of output 79
[2024-11-13 23:48:11,840 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:48:11,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 128 treesize of output 94
[2024-11-13 23:48:12,795 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:48:12,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 207 treesize of output 144
[2024-11-13 23:48:15,232 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:48:15,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 208 treesize of output 153
[2024-11-13 23:48:27,163 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-13 23:48:27,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 350 treesize of output 134
[2024-11-13 23:48:27,474 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 267 proven. 33 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked.
[2024-11-13 23:48:27,474 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 23:48:40,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345523943] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 23:48:40,603 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 23:48:40,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 23] total 48
[2024-11-13 23:48:40,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085917977]
[2024-11-13 23:48:40,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 23:48:40,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states
[2024-11-13 23:48:40,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:48:40,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants.
[2024-11-13 23:48:40,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=2774, Unknown=0, NotChecked=0, Total=3192
[2024-11-13 23:48:40,606 INFO L87 Difference]: Start difference. First operand 1180 states and 1451 transitions. Second operand has 49 states, 46 states have (on average 4.5) internal successors, (207), 45 states have internal predecessors, (207), 17 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 14 states have call predecessors, (40), 17 states have call successors, (40)
[2024-11-13 23:49:36,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:49:49,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:49:52,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:49:55,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:50:01,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:50:04,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:50:07,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:50:15,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:50:47,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:50:49,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:50:51,918 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:50:54,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:51:09,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:51:33,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:51:36,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:51:38,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:51:40,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:51:44,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:51:46,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:52:07,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:52:09,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:52:12,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:52:14,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:52:22,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result VALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-13 23:52:24,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:52:24,024 INFO L93 Difference]: Finished difference Result 2523 states and 3064 transitions.
[2024-11-13 23:52:24,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states.
[2024-11-13 23:52:24,025 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 46 states have (on average 4.5) internal successors, (207), 45 states have internal predecessors, (207), 17 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 14 states have call predecessors, (40), 17 states have call successors, (40) Word has length 127
[2024-11-13 23:52:24,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:52:24,031 INFO L225 Difference]: With dead ends: 2523
[2024-11-13 23:52:24,031 INFO L226 Difference]: Without dead ends: 2521
[2024-11-13 23:52:24,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 415 SyntacticMatches, 6 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5197 ImplicationChecksByTransitivity, 164.2s TimeCoverageRelationStatistics Valid=3025, Invalid=14797, Unknown=0, NotChecked=0, Total=17822
[2024-11-13 23:52:24,037 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 1603 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 4000 mSolverCounterSat, 217 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1604 SdHoareTripleChecker+Valid, 1488 SdHoareTripleChecker+Invalid, 4233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 4000 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 114.5s IncrementalHoareTripleChecker+Time
[2024-11-13 23:52:24,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1604 Valid, 1488 Invalid, 4233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 4000 Invalid, 16 Unknown, 0 Unchecked, 114.5s Time]
[2024-11-13 23:52:24,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states.
[2024-11-13 23:52:24,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 1564.
[2024-11-13 23:52:24,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1564 states, 1323 states have (on average 1.218442932728647) internal successors, (1612), 1328 states have internal predecessors, (1612), 158 states have call successors, (158), 82 states have call predecessors, (158), 82 states have return successors, (158), 153 states have call predecessors, (158), 158 states have call successors, (158)
[2024-11-13 23:52:24,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 1928 transitions.
[2024-11-13 23:52:24,483 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 1928 transitions. Word has length 127
[2024-11-13 23:52:24,483 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:52:24,483 INFO L471 AbstractCegarLoop]: Abstraction has 1564 states and 1928 transitions.
[2024-11-13 23:52:24,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 46 states have (on average 4.5) internal successors, (207), 45 states have internal predecessors, (207), 17 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 14 states have call predecessors, (40), 17 states have call successors, (40)
[2024-11-13 23:52:24,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1928 transitions.
[2024-11-13 23:52:24,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2024-11-13 23:52:24,486 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:52:24,487 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:52:24,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0
[2024-11-13 23:52:24,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0
[2024-11-13 23:52:24,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0
[2024-11-13 23:52:25,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt
[2024-11-13 23:52:25,090 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:52:25,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:52:25,090 INFO L85 PathProgramCache]: Analyzing trace with hash -138351044, now seen corresponding path program 1 times
[2024-11-13 23:52:25,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:52:25,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2113897865]
[2024-11-13 23:52:25,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:52:25,091 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:52:25,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:52:25,092 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:52:25,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process
[2024-11-13 23:52:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:52:25,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-13 23:52:25,421 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:52:25,554 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked.
[2024-11-13 23:52:25,555 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:52:25,555 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:52:25,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2113897865]
[2024-11-13 23:52:25,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2113897865] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:52:25,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:52:25,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-13 23:52:25,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544992521]
[2024-11-13 23:52:25,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:52:25,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-13 23:52:25,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:52:25,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-13 23:52:25,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-11-13 23:52:25,557 INFO L87 Difference]: Start difference. First operand 1564 states and 1928 transitions. Second operand has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14)
[2024-11-13 23:52:26,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:52:26,267 INFO L93 Difference]: Finished difference Result 2515 states and 3103 transitions.
[2024-11-13 23:52:26,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-13 23:52:26,267 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 127
[2024-11-13 23:52:26,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:52:26,272 INFO L225 Difference]: With dead ends: 2515
[2024-11-13 23:52:26,272 INFO L226 Difference]: Without dead ends: 1161
[2024-11-13 23:52:26,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-11-13 23:52:26,275 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 1 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-13 23:52:26,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 580 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-13 23:52:26,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states.
[2024-11-13 23:52:26,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 788.
[2024-11-13 23:52:26,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 639 states have (on average 1.194053208137715) internal successors, (763), 639 states have internal predecessors, (763), 96 states have call successors, (96), 52 states have call predecessors, (96), 52 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96)
[2024-11-13 23:52:26,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 955 transitions.
[2024-11-13 23:52:26,532 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 955 transitions. Word has length 127
[2024-11-13 23:52:26,532 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:52:26,533 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 955 transitions.
[2024-11-13 23:52:26,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.2) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14)
[2024-11-13 23:52:26,533 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 955 transitions.
[2024-11-13 23:52:26,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2024-11-13 23:52:26,535 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:52:26,535 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:52:26,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0
[2024-11-13 23:52:26,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:52:26,739 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:52:26,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:52:26,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1485383404, now seen corresponding path program 1 times
[2024-11-13 23:52:26,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:52:26,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277630933]
[2024-11-13 23:52:26,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:52:26,740 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:52:26,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:52:26,742 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:52:26,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process
[2024-11-13 23:52:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:52:27,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-13 23:52:27,155 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:52:27,224 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-13 23:52:27,224 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:52:27,224 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:52:27,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277630933]
[2024-11-13 23:52:27,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277630933] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:52:27,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:52:27,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-13 23:52:27,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469158313]
[2024-11-13 23:52:27,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:52:27,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-13 23:52:27,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:52:27,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-13 23:52:27,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-13 23:52:27,226 INFO L87 Difference]: Start difference. First operand 788 states and 955 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:52:30,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-13 23:52:34,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-13 23:52:35,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 23:52:35,445 INFO L93 Difference]: Finished difference Result 1374 states and 1685 transitions.
[2024-11-13 23:52:35,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-13 23:52:35,446 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 129
[2024-11-13 23:52:35,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 23:52:35,448 INFO L225 Difference]: With dead ends: 1374
[2024-11-13 23:52:35,449 INFO L226 Difference]: Without dead ends: 820
[2024-11-13 23:52:35,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-13 23:52:35,450 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 47 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time
[2024-11-13 23:52:35,451 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 488 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time]
[2024-11-13 23:52:35,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states.
[2024-11-13 23:52:35,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 788.
[2024-11-13 23:52:35,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 639 states have (on average 1.1909233176838812) internal successors, (761), 639 states have internal predecessors, (761), 96 states have call successors, (96), 52 states have call predecessors, (96), 52 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96)
[2024-11-13 23:52:35,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 953 transitions.
[2024-11-13 23:52:35,666 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 953 transitions. Word has length 129
[2024-11-13 23:52:35,667 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 23:52:35,667 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 953 transitions.
[2024-11-13 23:52:35,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-13 23:52:35,667 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 953 transitions.
[2024-11-13 23:52:35,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130
[2024-11-13 23:52:35,669 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 23:52:35,669 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 23:52:35,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0
[2024-11-13 23:52:35,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:52:35,870 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 23:52:35,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 23:52:35,870 INFO L85 PathProgramCache]: Analyzing trace with hash -2136857844, now seen corresponding path program 1 times
[2024-11-13 23:52:35,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS
[2024-11-13 23:52:35,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1772418819]
[2024-11-13 23:52:35,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 23:52:35,871 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-13 23:52:35,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat
[2024-11-13 23:52:35,873 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2024-11-13 23:52:35,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4508605-524c-46f3-911b-0b58719eb0f3/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process
[2024-11-13 23:52:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 23:52:36,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 48 conjuncts are in the unsatisfiable core
[2024-11-13 23:52:36,487 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 23:52:36,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 87
[2024-11-13 23:52:37,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 208 treesize of output 171
[2024-11-13 23:52:39,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 174
[2024-11-13 23:52:41,268 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 213 treesize of output 174
[2024-11-13 23:52:45,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 273 treesize of output 222
[2024-11-13 23:52:48,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 268 treesize of output 217
[2024-11-13 23:52:50,835 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 263 treesize of output 214
[2024-11-13 23:52:52,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 263 treesize of output 216
[2024-11-13 23:52:54,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 263 treesize of output 216
[2024-11-13 23:52:57,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 263 treesize of output 216
[2024-11-13 23:53:00,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 307 treesize of output 260
[2024-11-13 23:53:21,064 WARN L286 SmtUtils]: Spent 5.41s on a formula simplification that was a NOOP. DAG size: 109 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-13 23:53:21,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 322 treesize of output 262
[2024-11-13 23:53:30,820 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked.
[2024-11-13 23:53:30,821 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 23:53:30,821 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2024-11-13 23:53:30,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1772418819]
[2024-11-13 23:53:30,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1772418819] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 23:53:30,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 23:53:30,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2024-11-13 23:53:30,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801217020]
[2024-11-13 23:53:30,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 23:53:30,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-11-13 23:53:30,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2024-11-13 23:53:30,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-11-13 23:53:30,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=167, Unknown=4, NotChecked=0, Total=210
[2024-11-13 23:53:30,822 INFO L87 Difference]: Start difference. First operand 788 states and 953 transitions. Second operand has 15 states, 15 states have (on average 4.733333333333333) internal successors, (71), 14 states have internal predecessors, (71), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14)