./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-59.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fc0a0af56e5e9321edcb3f4b8b60429c2310fce90b678a839adfd55ae003bf1d
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:29:46,463 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:29:46,553 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-23 23:29:46,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:29:46,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:29:46,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:29:46,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:29:46,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:29:46,589 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:29:46,589 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:29:46,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:29:46,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:29:46,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:29:46,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:29:46,590 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:29:46,590 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:29:46,590 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 23:29:46,590 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:29:46,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:29:46,591 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:29:46,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:29:46,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 23:29:46,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:29:46,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 23:29:46,591 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:29:46,591 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:29:46,591 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:29:46,591 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:29:46,592 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:29:46,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:29:46,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:29:46,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:29:46,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:29:46,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:29:46,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:29:46,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:29:46,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:29:46,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:29:46,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:29:46,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:29:46,593 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 23:29:46,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 23:29:46,593 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 23:29:46,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 23:29:46,593 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:29:46,593 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:29:46,593 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:29:46,593 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:29:46,593 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc0a0af56e5e9321edcb3f4b8b60429c2310fce90b678a839adfd55ae003bf1d
[2024-11-23 23:29:46,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:29:46,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:29:46,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:29:46,877 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:29:46,878 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:29:46,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-59.i
[2024-11-23 23:29:49,814 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/data/c991d7362/76654f049d3949af9c194cd16a7b16d5/FLAG23c7a2cc4
[2024-11-23 23:29:50,065 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:29:50,065 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-59.i
[2024-11-23 23:29:50,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/data/c991d7362/76654f049d3949af9c194cd16a7b16d5/FLAG23c7a2cc4
[2024-11-23 23:29:50,108 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/data/c991d7362/76654f049d3949af9c194cd16a7b16d5
[2024-11-23 23:29:50,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:29:50,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:29:50,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:29:50,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:29:50,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:29:50,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:29:50" (1/1) ...
[2024-11-23 23:29:50,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16e44d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:50, skipping insertion in model container
[2024-11-23 23:29:50,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:29:50" (1/1) ...
[2024-11-23 23:29:50,156 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:29:50,337 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_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-59.i[913,926]
[2024-11-23 23:29:50,431 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:29:50,448 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:29:50,461 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_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-59.i[913,926]
[2024-11-23 23:29:50,522 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:29:50,546 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:29:50,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:50 WrapperNode
[2024-11-23 23:29:50,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:29:50,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:29:50,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:29:50,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:29:50,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:50" (1/1) ...
[2024-11-23 23:29:50,570 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:50" (1/1) ...
[2024-11-23 23:29:50,621 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 128
[2024-11-23 23:29:50,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:29:50,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:29:50,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:29:50,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:29:50,636 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:50" (1/1) ...
[2024-11-23 23:29:50,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:50" (1/1) ...
[2024-11-23 23:29:50,640 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:50" (1/1) ...
[2024-11-23 23:29:50,678 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-23 23:29:50,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:50" (1/1) ...
[2024-11-23 23:29:50,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:50" (1/1) ...
[2024-11-23 23:29:50,696 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:50" (1/1) ...
[2024-11-23 23:29:50,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:50" (1/1) ...
[2024-11-23 23:29:50,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:50" (1/1) ...
[2024-11-23 23:29:50,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:50" (1/1) ...
[2024-11-23 23:29:50,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:50" (1/1) ...
[2024-11-23 23:29:50,712 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:29:50,713 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:29:50,714 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:29:50,714 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:29:50,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:50" (1/1) ...
[2024-11-23 23:29:50,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:29:50,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:29:50,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:29:50,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:29:50,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:29:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-23 23:29:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-23 23:29:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 23:29:50,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:29:50,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:29:50,876 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:29:50,878 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:29:51,397 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-11-23 23:29:51,398 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:29:51,433 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:29:51,433 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-23 23:29:51,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:29:51 BoogieIcfgContainer
[2024-11-23 23:29:51,434 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:29:51,443 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:29:51,444 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:29:51,456 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:29:51,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:29:50" (1/3) ...
[2024-11-23 23:29:51,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d4fe514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:29:51, skipping insertion in model container
[2024-11-23 23:29:51,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:50" (2/3) ...
[2024-11-23 23:29:51,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d4fe514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:29:51, skipping insertion in model container
[2024-11-23 23:29:51,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:29:51" (3/3) ...
[2024-11-23 23:29:51,462 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-59.i
[2024-11-23 23:29:51,486 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:29:51,488 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-59.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-23 23:29:51,590 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:29:51,612 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@26135ff7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:29:51,613 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-23 23:29:51,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 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)
[2024-11-23 23:29:51,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2024-11-23 23:29:51,632 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:29:51,633 INFO L218 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]
[2024-11-23 23:29:51,634 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:29:51,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:29:51,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1164860862, now seen corresponding path program 1 times
[2024-11-23 23:29:51,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:29:51,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427780343]
[2024-11-23 23:29:51,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:29:51,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:29:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:29:52,159 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked.
[2024-11-23 23:29:52,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:29:52,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427780343]
[2024-11-23 23:29:52,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427780343] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:29:52,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736874475]
[2024-11-23 23:29:52,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:29:52,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:29:52,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:29:52,174 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:29:52,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-23 23:29:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:29:52,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-23 23:29:52,462 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:29:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked.
[2024-11-23 23:29:52,499 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 23:29:52,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736874475] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:29:52,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 23:29:52,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-23 23:29:52,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834272200]
[2024-11-23 23:29:52,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:29:52,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-23 23:29:52,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:29:52,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-23 23:29:52,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:29:52,535 INFO L87 Difference]: Start difference. First operand has 54 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 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 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-23 23:29:52,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:29:52,571 INFO L93 Difference]: Finished difference Result 101 states and 168 transitions.
[2024-11-23 23:29:52,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 23:29:52,574 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95
[2024-11-23 23:29:52,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:29:52,583 INFO L225 Difference]: With dead ends: 101
[2024-11-23 23:29:52,583 INFO L226 Difference]: Without dead ends: 50
[2024-11-23 23:29:52,588 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:29:52,593 INFO L435 NwaCegarLoop]: 73 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, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:29:52,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:29:52,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2024-11-23 23:29:52,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2024-11-23 23:29:52,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 34 states have internal predecessors, (45), 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)
[2024-11-23 23:29:52,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions.
[2024-11-23 23:29:52,643 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 95
[2024-11-23 23:29:52,644 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:29:52,644 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions.
[2024-11-23 23:29:52,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-23 23:29:52,644 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions.
[2024-11-23 23:29:52,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2024-11-23 23:29:52,648 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:29:52,649 INFO L218 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]
[2024-11-23 23:29:52,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-23 23:29:52,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-23 23:29:52,850 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:29:52,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:29:52,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1236847222, now seen corresponding path program 1 times
[2024-11-23 23:29:52,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:29:52,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995985277]
[2024-11-23 23:29:52,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:29:52,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:29:53,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:29:53,739 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-23 23:29:53,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:29:53,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995985277]
[2024-11-23 23:29:53,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995985277] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:29:53,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:29:53,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 23:29:53,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912288931]
[2024-11-23 23:29:53,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:29:53,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 23:29:53,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:29:53,745 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 23:29:53,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 23:29:53,746 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (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)
[2024-11-23 23:29:53,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:29:53,985 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions.
[2024-11-23 23:29:53,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 23:29:53,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (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 95
[2024-11-23 23:29:53,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:29:53,991 INFO L225 Difference]: With dead ends: 145
[2024-11-23 23:29:53,993 INFO L226 Difference]: Without dead ends: 98
[2024-11-23 23:29:53,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:29:53,995 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 51 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-23 23:29:53,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 203 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-23 23:29:53,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2024-11-23 23:29:54,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 79.
[2024-11-23 23:29:54,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 48 states have internal predecessors, (59), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-23 23:29:54,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 115 transitions.
[2024-11-23 23:29:54,029 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 115 transitions. Word has length 95
[2024-11-23 23:29:54,030 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:29:54,030 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 115 transitions.
[2024-11-23 23:29:54,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (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)
[2024-11-23 23:29:54,030 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions.
[2024-11-23 23:29:54,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97
[2024-11-23 23:29:54,033 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:29:54,034 INFO L218 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]
[2024-11-23 23:29:54,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 23:29:54,034 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:29:54,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:29:54,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1287173988, now seen corresponding path program 1 times
[2024-11-23 23:29:54,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:29:54,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117355831]
[2024-11-23 23:29:54,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:29:54,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:29:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:29:54,497 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-23 23:29:54,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:29:54,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117355831]
[2024-11-23 23:29:54,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117355831] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:29:54,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:29:54,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 23:29:54,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415510203]
[2024-11-23 23:29:54,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:29:54,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 23:29:54,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:29:54,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 23:29:54,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 23:29:54,503 INFO L87 Difference]: Start difference. First operand 79 states and 115 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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)
[2024-11-23 23:29:54,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:29:54,798 INFO L93 Difference]: Finished difference Result 183 states and 267 transitions.
[2024-11-23 23:29:54,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 23:29:54,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 96
[2024-11-23 23:29:54,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:29:54,802 INFO L225 Difference]: With dead ends: 183
[2024-11-23 23:29:54,802 INFO L226 Difference]: Without dead ends: 136
[2024-11-23 23:29:54,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:29:54,807 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 66 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-23 23:29:54,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 201 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-23 23:29:54,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states.
[2024-11-23 23:29:54,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 124.
[2024-11-23 23:29:54,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 78 states have internal predecessors, (98), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2024-11-23 23:29:54,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 182 transitions.
[2024-11-23 23:29:54,864 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 182 transitions. Word has length 96
[2024-11-23 23:29:54,865 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:29:54,865 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 182 transitions.
[2024-11-23 23:29:54,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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)
[2024-11-23 23:29:54,866 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 182 transitions.
[2024-11-23 23:29:54,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2024-11-23 23:29:54,867 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:29:54,867 INFO L218 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]
[2024-11-23 23:29:54,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 23:29:54,868 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:29:54,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:29:54,869 INFO L85 PathProgramCache]: Analyzing trace with hash 866463787, now seen corresponding path program 1 times
[2024-11-23 23:29:54,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:29:54,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511361407]
[2024-11-23 23:29:54,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:29:54,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:29:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-23 23:29:55,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [705125073]
[2024-11-23 23:29:55,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:29:55,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:29:55,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:29:55,131 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:29:55,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-23 23:29:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:29:55,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 38 conjuncts are in the unsatisfiable core
[2024-11-23 23:29:55,373 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:29:57,753 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 169 proven. 105 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked.
[2024-11-23 23:29:57,754 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:30:31,359 WARN L286 SmtUtils]: Spent 11.07s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-23 23:30:40,585 WARN L286 SmtUtils]: Spent 7.70s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-23 23:30:59,233 WARN L286 SmtUtils]: Spent 10.72s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-23 23:31:07,051 WARN L286 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-23 23:31:51,757 WARN L286 SmtUtils]: Spent 21.53s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-23 23:32:03,086 WARN L286 SmtUtils]: Spent 7.04s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-23 23:32:20,448 WARN L286 SmtUtils]: Spent 14.35s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-23 23:32:32,924 WARN L286 SmtUtils]: Spent 6.43s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-23 23:32:38,758 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse7 (mod c_~var_1_4~0 256))) (let ((.cse2 (div (mod c_~var_1_6~0 65536) .cse7)) (.cse6 (mod c_~var_1_19~0 4294967296))) (let ((.cse1 (+ .cse6 1)) (.cse0 (mod (+ .cse7 c_~var_1_7~0) 65536)) (.cse4 (mod c_~var_1_17~0 65536)) (.cse3 (+ (mod c_~var_1_7~0 65536) .cse7 1)) (.cse5 (mod (* c_~var_1_19~0 .cse2) 4294967296))) (and (or (< .cse0 .cse1) (not (= (mod (* .cse2 .cse0) 4294967296) .cse0))) (forall ((v_z_5 Int)) (or (< v_z_5 .cse3) (not (= v_z_5 (mod (* v_z_5 .cse2) 4294967296))) (< .cse4 v_z_5) (< v_z_5 .cse1))) (or (not (= .cse5 .cse0)) (< .cse6 .cse0)) (or (< .cse4 .cse5) (< .cse5 .cse3) (< .cse6 .cse5)))))) is different from false
[2024-11-23 23:32:48,087 WARN L286 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-23 23:33:00,125 WARN L286 SmtUtils]: Spent 12.04s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-23 23:33:16,148 WARN L286 SmtUtils]: Spent 16.02s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-23 23:33:23,942 WARN L286 SmtUtils]: Spent 7.17s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-23 23:33:30,117 WARN L286 SmtUtils]: Spent 6.10s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-23 23:34:08,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:34:08,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511361407]
[2024-11-23 23:34:08,865 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-23 23:34:08,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705125073]
[2024-11-23 23:34:08,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705125073] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:34:08,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2024-11-23 23:34:08,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22
[2024-11-23 23:34:08,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354230127]
[2024-11-23 23:34:08,866 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:34:08,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2024-11-23 23:34:08,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:34:08,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2024-11-23 23:34:08,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=689, Unknown=10, NotChecked=58, Total=992
[2024-11-23 23:34:08,868 INFO L87 Difference]: Start difference. First operand 124 states and 182 transitions. Second operand has 22 states, 22 states have (on average 2.1818181818181817) internal successors, (48), 20 states have internal predecessors, (48), 6 states have call successors, (14), 6 states have call predecessors, (14), 7 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14)
[2024-11-23 23:34:13,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:34:13,202 INFO L93 Difference]: Finished difference Result 264 states and 334 transitions.
[2024-11-23 23:34:13,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states.
[2024-11-23 23:34:13,203 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.1818181818181817) internal successors, (48), 20 states have internal predecessors, (48), 6 states have call successors, (14), 6 states have call predecessors, (14), 7 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 97
[2024-11-23 23:34:13,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:34:13,205 INFO L225 Difference]: With dead ends: 264
[2024-11-23 23:34:13,205 INFO L226 Difference]: Without dead ends: 217
[2024-11-23 23:34:13,207 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 107.1s TimeCoverageRelationStatistics Valid=396, Invalid=1158, Unknown=10, NotChecked=76, Total=1640
[2024-11-23 23:34:13,207 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 138 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-23 23:34:13,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 354 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-23 23:34:13,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states.
[2024-11-23 23:34:13,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 186.
[2024-11-23 23:34:13,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 125 states have (on average 1.16) internal successors, (145), 125 states have internal predecessors, (145), 42 states have call successors, (42), 18 states have call predecessors, (42), 18 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2024-11-23 23:34:13,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 229 transitions.
[2024-11-23 23:34:13,265 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 229 transitions. Word has length 97
[2024-11-23 23:34:13,266 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:34:13,266 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 229 transitions.
[2024-11-23 23:34:13,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.1818181818181817) internal successors, (48), 20 states have internal predecessors, (48), 6 states have call successors, (14), 6 states have call predecessors, (14), 7 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14)
[2024-11-23 23:34:13,267 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 229 transitions.
[2024-11-23 23:34:13,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2024-11-23 23:34:13,268 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:34:13,268 INFO L218 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]
[2024-11-23 23:34:13,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-23 23:34:13,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:34:13,473 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:34:13,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:34:13,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1653496147, now seen corresponding path program 1 times
[2024-11-23 23:34:13,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:34:13,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318625398]
[2024-11-23 23:34:13,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:34:13,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:34:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:34:14,145 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2024-11-23 23:34:14,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:34:14,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318625398]
[2024-11-23 23:34:14,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318625398] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:34:14,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010641318]
[2024-11-23 23:34:14,146 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:34:14,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:34:14,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:34:14,150 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:34:14,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-23 23:34:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:34:14,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 20 conjuncts are in the unsatisfiable core
[2024-11-23 23:34:14,265 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:34:14,684 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked.
[2024-11-23 23:34:14,685 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:34:15,107 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2024-11-23 23:34:15,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010641318] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:34:15,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 23:34:15,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 8] total 18
[2024-11-23 23:34:15,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825160324]
[2024-11-23 23:34:15,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:34:15,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-11-23 23:34:15,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:34:15,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-11-23 23:34:15,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306
[2024-11-23 23:34:15,111 INFO L87 Difference]: Start difference. First operand 186 states and 229 transitions. Second operand has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 5 states have call successors, (29), 3 states have call predecessors, (29), 6 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30)
[2024-11-23 23:34:16,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:34:16,665 INFO L93 Difference]: Finished difference Result 545 states and 664 transitions.
[2024-11-23 23:34:16,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2024-11-23 23:34:16,666 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 5 states have call successors, (29), 3 states have call predecessors, (29), 6 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) Word has length 97
[2024-11-23 23:34:16,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:34:16,670 INFO L225 Difference]: With dead ends: 545
[2024-11-23 23:34:16,670 INFO L226 Difference]: Without dead ends: 411
[2024-11-23 23:34:16,672 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 185 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=366, Invalid=1440, Unknown=0, NotChecked=0, Total=1806
[2024-11-23 23:34:16,673 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 443 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:34:16,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 554 Invalid, 805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-23 23:34:16,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states.
[2024-11-23 23:34:16,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 207.
[2024-11-23 23:34:16,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 143 states have (on average 1.1468531468531469) internal successors, (164), 143 states have internal predecessors, (164), 42 states have call successors, (42), 21 states have call predecessors, (42), 21 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2024-11-23 23:34:16,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 248 transitions.
[2024-11-23 23:34:16,715 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 248 transitions. Word has length 97
[2024-11-23 23:34:16,716 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:34:16,716 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 248 transitions.
[2024-11-23 23:34:16,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.055555555555555) internal successors, (73), 18 states have internal predecessors, (73), 5 states have call successors, (29), 3 states have call predecessors, (29), 6 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30)
[2024-11-23 23:34:16,716 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 248 transitions.
[2024-11-23 23:34:16,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2024-11-23 23:34:16,718 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:34:16,718 INFO L218 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]
[2024-11-23 23:34:16,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-23 23:34:16,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:34:16,922 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:34:16,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:34:16,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1395330709, now seen corresponding path program 1 times
[2024-11-23 23:34:16,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:34:16,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246921859]
[2024-11-23 23:34:16,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:34:16,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:34:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-23 23:34:17,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1036807398]
[2024-11-23 23:34:17,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:34:17,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:34:17,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:34:17,023 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:34:17,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-23 23:34:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:34:17,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 23 conjuncts are in the unsatisfiable core
[2024-11-23 23:34:17,505 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:34:18,896 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 133 proven. 81 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked.
[2024-11-23 23:34:18,896 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:34:27,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:34:27,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246921859]
[2024-11-23 23:34:27,131 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-23 23:34:27,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1036807398]
[2024-11-23 23:34:27,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1036807398] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:34:27,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2024-11-23 23:34:27,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13
[2024-11-23 23:34:27,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459703235]
[2024-11-23 23:34:27,131 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:34:27,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-23 23:34:27,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:34:27,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-23 23:34:27,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420
[2024-11-23 23:34:27,133 INFO L87 Difference]: Start difference. First operand 207 states and 248 transitions. Second operand has 14 states, 14 states have (on average 3.0) internal successors, (42), 12 states have internal predecessors, (42), 4 states have call successors, (14), 4 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14)
[2024-11-23 23:34:27,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:34:27,778 INFO L93 Difference]: Finished difference Result 369 states and 443 transitions.
[2024-11-23 23:34:27,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2024-11-23 23:34:27,779 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 12 states have internal predecessors, (42), 4 states have call successors, (14), 4 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 97
[2024-11-23 23:34:27,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:34:27,782 INFO L225 Difference]: With dead ends: 369
[2024-11-23 23:34:27,782 INFO L226 Difference]: Without dead ends: 218
[2024-11-23 23:34:27,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=176, Invalid=424, Unknown=0, NotChecked=0, Total=600
[2024-11-23 23:34:27,784 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 55 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-23 23:34:27,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 313 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-23 23:34:27,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states.
[2024-11-23 23:34:27,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 207.
[2024-11-23 23:34:27,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 143 states have (on average 1.1398601398601398) internal successors, (163), 143 states have internal predecessors, (163), 42 states have call successors, (42), 21 states have call predecessors, (42), 21 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2024-11-23 23:34:27,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 247 transitions.
[2024-11-23 23:34:27,838 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 247 transitions. Word has length 97
[2024-11-23 23:34:27,838 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:34:27,838 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 247 transitions.
[2024-11-23 23:34:27,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.0) internal successors, (42), 12 states have internal predecessors, (42), 4 states have call successors, (14), 4 states have call predecessors, (14), 5 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14)
[2024-11-23 23:34:27,839 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 247 transitions.
[2024-11-23 23:34:27,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2024-11-23 23:34:27,844 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:34:27,844 INFO L218 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]
[2024-11-23 23:34:27,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-23 23:34:28,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-11-23 23:34:28,045 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:34:28,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:34:28,045 INFO L85 PathProgramCache]: Analyzing trace with hash 855013346, now seen corresponding path program 1 times
[2024-11-23 23:34:28,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:34:28,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251401568]
[2024-11-23 23:34:28,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:34:28,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:34:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-23 23:34:28,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1234417156]
[2024-11-23 23:34:28,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:34:28,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:34:28,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:34:28,176 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:34:28,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-23 23:34:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:34:29,102 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:34:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:34:29,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 23:34:29,276 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 23:34:29,277 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-23 23:34:29,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-23 23:34:29,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2024-11-23 23:34:29,482 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:34:29,559 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 23:34:29,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:34:29 BoogieIcfgContainer
[2024-11-23 23:34:29,563 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 23:34:29,563 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 23:34:29,564 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 23:34:29,564 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 23:34:29,565 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:29:51" (3/4) ...
[2024-11-23 23:34:29,567 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-11-23 23:34:29,568 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 23:34:29,569 INFO L158 Benchmark]: Toolchain (without parser) took 279456.19ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 117.1MB in the beginning and 90.8MB in the end (delta: 26.3MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB.
[2024-11-23 23:34:29,570 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:34:29,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.71ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 103.1MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 23:34:29,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.33ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 99.5MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:34:29,571 INFO L158 Benchmark]: Boogie Preprocessor took 90.52ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 93.6MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:34:29,571 INFO L158 Benchmark]: RCFGBuilder took 720.71ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 72.5MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 23:34:29,571 INFO L158 Benchmark]: TraceAbstraction took 278119.31ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 71.8MB in the beginning and 90.9MB in the end (delta: -19.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB.
[2024-11-23 23:34:29,572 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 176.2MB. Free memory was 90.9MB in the beginning and 90.8MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:34:29,574 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 433.71ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 103.1MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 72.33ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 99.5MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 90.52ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 93.6MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 720.71ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 72.5MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 278119.31ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 71.8MB in the beginning and 90.9MB in the end (delta: -19.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB.
* Witness Printer took 4.98ms. Allocated memory is still 176.2MB. Free memory was 90.9MB in the beginning and 90.8MB in the end (delta: 33.1kB). 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 someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 114, overapproximation of someBinaryDOUBLEComparisonOperation at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 129, overapproximation of someBinaryDOUBLEComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 48.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned short int var_1_1 = 1;
[L23] unsigned char var_1_4 = 25;
[L24] unsigned short int var_1_5 = 0;
[L25] unsigned short int var_1_6 = 62100;
[L26] unsigned short int var_1_7 = 27651;
[L27] double var_1_8 = 128.9;
[L28] double var_1_10 = 16.5;
[L29] double var_1_11 = 25.5;
[L30] double var_1_12 = 199.75;
[L31] unsigned char var_1_13 = 2;
[L32] unsigned char var_1_14 = 1;
[L33] unsigned char var_1_15 = 1;
[L34] unsigned char var_1_16 = 1;
[L35] unsigned short int var_1_17 = 32;
[L36] unsigned char var_1_18 = 1;
[L37] unsigned long int var_1_19 = 1;
[L38] unsigned short int last_1_var_1_5 = 0;
[L39] unsigned char last_1_var_1_15 = 1;
[L40] unsigned char last_1_var_1_18 = 1;
[L41] unsigned long int last_1_var_1_19 = 1;
VAL [isInitial=0, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10]
[L133] isInitial = 1
[L134] FCALL initially()
[L136] CALL updateLastVariables()
[L123] last_1_var_1_5 = var_1_5
[L124] last_1_var_1_15 = var_1_15
[L125] last_1_var_1_18 = var_1_18
[L126] last_1_var_1_19 = var_1_19
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=25, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10]
[L136] RET updateLastVariables()
[L137] CALL updateVariables()
[L99] var_1_4 = __VERIFIER_nondet_uchar()
[L100] CALL assume_abort_if_not(var_1_4 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10]
[L100] RET assume_abort_if_not(var_1_4 >= 0)
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10]
[L101] CALL assume_abort_if_not(var_1_4 <= 255)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10]
[L101] RET assume_abort_if_not(var_1_4 <= 255)
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10]
[L102] CALL assume_abort_if_not(var_1_4 != 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10]
[L102] RET assume_abort_if_not(var_1_4 != 0)
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10]
[L103] var_1_6 = __VERIFIER_nondet_ushort()
[L104] CALL assume_abort_if_not(var_1_6 >= 32767)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10]
[L104] RET assume_abort_if_not(var_1_6 >= 32767)
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10]
[L105] CALL assume_abort_if_not(var_1_6 <= 65534)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10]
[L105] RET assume_abort_if_not(var_1_6 <= 65534)
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10]
[L106] var_1_7 = __VERIFIER_nondet_ushort()
[L107] CALL assume_abort_if_not(var_1_7 >= 16383)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L107] RET assume_abort_if_not(var_1_7 >= 16383)
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L108] CALL assume_abort_if_not(var_1_7 <= 32767)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L108] RET assume_abort_if_not(var_1_7 <= 32767)
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L109] var_1_10 = __VERIFIER_nondet_double()
[L110] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L110] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L111] var_1_11 = __VERIFIER_nondet_double()
[L112] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L112] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L113] var_1_12 = __VERIFIER_nondet_double()
[L114] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F ))
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L114] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F ))
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L115] var_1_14 = __VERIFIER_nondet_uchar()
[L116] CALL assume_abort_if_not(var_1_14 >= 0)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L116] RET assume_abort_if_not(var_1_14 >= 0)
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L117] CALL assume_abort_if_not(var_1_14 <= 254)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L117] RET assume_abort_if_not(var_1_14 <= 254)
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L118] var_1_16 = __VERIFIER_nondet_uchar()
[L119] CALL assume_abort_if_not(var_1_16 >= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L119] RET assume_abort_if_not(var_1_16 >= 1)
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L120] CALL assume_abort_if_not(var_1_16 <= 1)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L120] RET assume_abort_if_not(var_1_16 <= 1)
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L137] RET updateVariables()
[L138] CALL step()
[L45] unsigned char stepLocal_3 = last_1_var_1_19 < var_1_6;
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_3=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L46] COND TRUE \read(last_1_var_1_18)
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_3=1, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=1289/10]
[L47] COND TRUE (! last_1_var_1_15) || stepLocal_3
[L48] var_1_8 = ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10)))
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=509/4]
[L55] COND TRUE var_1_12 != var_1_8
[L56] var_1_15 = (! var_1_16)
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=509/4]
[L60] var_1_17 = var_1_4
[L61] var_1_18 = var_1_16
[L62] var_1_19 = var_1_4
[L63] unsigned short int stepLocal_1 = var_1_17;
[L64] unsigned char stepLocal_0 = var_1_17 != (16 / var_1_4);
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_0=1, stepLocal_1=7, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=7, var_1_18=1, var_1_19=7, var_1_1=1, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=509/4]
[L65] COND FALSE !(stepLocal_0 && var_1_15)
[L76] var_1_1 = var_1_17
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=7, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=7, var_1_18=1, var_1_19=7, var_1_1=7, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=509/4]
[L78] unsigned short int stepLocal_2 = var_1_17;
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=7, stepLocal_2=7, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=7, var_1_18=1, var_1_19=7, var_1_1=7, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=509/4]
[L79] COND FALSE !(stepLocal_2 < last_1_var_1_5)
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=7, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=7, var_1_18=1, var_1_19=7, var_1_1=7, var_1_4=7, var_1_5=0, var_1_6=32767, var_1_7=147455, var_1_8=509/4]
[L82] COND TRUE ! var_1_15
[L83] var_1_5 = ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4))))
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=7, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=7, var_1_18=1, var_1_19=7, var_1_1=7, var_1_4=7, var_1_5=16390, var_1_6=32767, var_1_7=147455, var_1_8=509/4]
[L86] unsigned short int stepLocal_5 = var_1_6;
[L87] unsigned short int stepLocal_4 = var_1_5;
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=7, stepLocal_4=16390, stepLocal_5=32767, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=7, var_1_18=1, var_1_19=7, var_1_1=7, var_1_4=7, var_1_5=16390, var_1_6=32767, var_1_7=147455, var_1_8=509/4]
[L88] COND TRUE stepLocal_4 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19))))
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=7, stepLocal_5=32767, var_1_10=0, var_1_13=2, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=7, var_1_18=1, var_1_19=7, var_1_1=7, var_1_4=7, var_1_5=16390, var_1_6=32767, var_1_7=147455, var_1_8=509/4]
[L89] COND TRUE var_1_5 <= stepLocal_5
[L90] var_1_13 = 32
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, stepLocal_1=7, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=7, var_1_18=1, var_1_19=7, var_1_1=7, var_1_4=7, var_1_5=16390, var_1_6=32767, var_1_7=147455, var_1_8=509/4]
[L138] RET step()
[L139] CALL, EXPR property()
[L129-L130] return (((((((((var_1_17 != (16 / var_1_4)) && var_1_15) ? ((var_1_17 > var_1_4) ? (var_1_1 == ((unsigned short int) (var_1_4 + var_1_17))) : (var_1_15 ? (var_1_1 == ((unsigned short int) var_1_17)) : (var_1_1 == ((unsigned short int) var_1_4)))) : (var_1_1 == ((unsigned short int) var_1_17))) && ((var_1_17 < last_1_var_1_5) ? (var_1_5 == ((unsigned short int) (var_1_6 - (var_1_7 - last_1_var_1_5)))) : ((! var_1_15) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))))) : 1))) && (last_1_var_1_18 ? (((! last_1_var_1_15) || (last_1_var_1_19 < var_1_6)) ? (var_1_8 == ((double) ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))))) : (var_1_8 == ((double) (var_1_11 + var_1_12)))) : (var_1_8 == ((double) var_1_11)))) && ((var_1_5 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19))))) ? ((var_1_5 <= var_1_6) ? (var_1_13 == ((unsigned char) 32)) : (var_1_13 == ((unsigned char) var_1_14))) : (var_1_13 == ((unsigned char) var_1_14)))) && ((var_1_12 != var_1_8) ? (var_1_15 == ((unsigned char) (! var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && (var_1_17 == ((unsigned short int) var_1_4))) && (var_1_18 == ((unsigned char) var_1_16))) && (var_1_19 == ((unsigned long int) var_1_4))
;
VAL [\result=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=7, var_1_18=1, var_1_19=7, var_1_1=7, var_1_4=7, var_1_5=16390, var_1_6=32767, var_1_7=147455, var_1_8=509/4]
[L139] RET, EXPR property()
[L139] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=7, var_1_18=1, var_1_19=7, var_1_1=7, var_1_4=7, var_1_5=16390, var_1_6=32767, var_1_7=147455, var_1_8=509/4]
[L19] reach_error()
VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=0, var_1_13=32, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=7, var_1_18=1, var_1_19=7, var_1_1=7, var_1_4=7, var_1_5=16390, var_1_6=32767, var_1_7=147455, var_1_8=509/4]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 277.9s, OverallIterations: 7, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 780 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 753 mSDsluCounter, 1698 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1278 mSDsCounter, 294 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1434 IncrementalHoareTripleChecker+Invalid, 1728 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 294 mSolverCounterUnsat, 420 mSDtfsCounter, 1434 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 676 GetRequests, 566 SyntacticMatches, 1 SemanticMatches, 109 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1005 ImplicationChecksByTransitivity, 110.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=207occurred in iteration=5, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 277 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 265.9s InterpolantComputationTime, 1159 NumberOfCodeBlocks, 1159 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 857 ConstructedInterpolants, 0 QuantifiedInterpolants, 4559 SizeOfPredicates, 19 NumberOfNonLiveVariables, 1024 ConjunctsInSsa, 82 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 3055/3276 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-23 23:34:29,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
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_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fc0a0af56e5e9321edcb3f4b8b60429c2310fce90b678a839adfd55ae003bf1d
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:34:32,754 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:34:32,885 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-23 23:34:32,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:34:32,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:34:32,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:34:32,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:34:32,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:34:32,926 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:34:32,926 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:34:32,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:34:32,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:34:32,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:34:32,928 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:34:32,928 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:34:32,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:34:32,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 23:34:32,929 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:34:32,929 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:34:32,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:34:32,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 23:34:32,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:34:32,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 23:34:32,930 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-23 23:34:32,930 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-23 23:34:32,930 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-23 23:34:32,930 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:34:32,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:34:32,930 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:34:32,931 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:34:32,931 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:34:32,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:34:32,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:34:32,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:34:32,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:34:32,932 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:34:32,932 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:34:32,932 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:34:32,932 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:34:32,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:34:32,933 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:34:32,933 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:34:32,933 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 23:34:32,933 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 23:34:32,933 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-23 23:34:32,933 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-23 23:34:32,934 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:34:32,934 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:34:32,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:34:32,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:34:32,934 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc0a0af56e5e9321edcb3f4b8b60429c2310fce90b678a839adfd55ae003bf1d
[2024-11-23 23:34:33,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:34:33,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:34:33,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:34:33,329 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:34:33,329 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:34:33,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-59.i
[2024-11-23 23:34:36,507 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/data/58904ea18/058f3babb2d746e481e4be0f27bd9704/FLAG77302ccae
[2024-11-23 23:34:36,816 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:34:36,818 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-59.i
[2024-11-23 23:34:36,834 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/data/58904ea18/058f3babb2d746e481e4be0f27bd9704/FLAG77302ccae
[2024-11-23 23:34:36,864 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/data/58904ea18/058f3babb2d746e481e4be0f27bd9704
[2024-11-23 23:34:36,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:34:36,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:34:36,874 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:34:36,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:34:36,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:34:36,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:34:36" (1/1) ...
[2024-11-23 23:34:36,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627b0b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:36, skipping insertion in model container
[2024-11-23 23:34:36,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:34:36" (1/1) ...
[2024-11-23 23:34:36,913 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:34:37,114 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_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-59.i[913,926]
[2024-11-23 23:34:37,223 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:34:37,248 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:34:37,263 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_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-59.i[913,926]
[2024-11-23 23:34:37,326 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:34:37,358 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:34:37,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:37 WrapperNode
[2024-11-23 23:34:37,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:34:37,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:34:37,361 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:34:37,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:34:37,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:37" (1/1) ...
[2024-11-23 23:34:37,395 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:37" (1/1) ...
[2024-11-23 23:34:37,429 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 128
[2024-11-23 23:34:37,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:34:37,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:34:37,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:34:37,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:34:37,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:37" (1/1) ...
[2024-11-23 23:34:37,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:37" (1/1) ...
[2024-11-23 23:34:37,446 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:37" (1/1) ...
[2024-11-23 23:34:37,461 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-23 23:34:37,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:37" (1/1) ...
[2024-11-23 23:34:37,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:37" (1/1) ...
[2024-11-23 23:34:37,471 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:37" (1/1) ...
[2024-11-23 23:34:37,473 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:37" (1/1) ...
[2024-11-23 23:34:37,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:37" (1/1) ...
[2024-11-23 23:34:37,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:37" (1/1) ...
[2024-11-23 23:34:37,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:37" (1/1) ...
[2024-11-23 23:34:37,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:34:37,497 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:34:37,501 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:34:37,501 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:34:37,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:37" (1/1) ...
[2024-11-23 23:34:37,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:34:37,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:34:37,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:34:37,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:34:37,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:34:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-23 23:34:37,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-23 23:34:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-23 23:34:37,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:34:37,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:34:37,734 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:34:37,736 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:34:39,254 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-11-23 23:34:39,254 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:34:39,266 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:34:39,267 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-23 23:34:39,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:34:39 BoogieIcfgContainer
[2024-11-23 23:34:39,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:34:39,270 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:34:39,270 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:34:39,276 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:34:39,277 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:34:36" (1/3) ...
[2024-11-23 23:34:39,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322e08e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:34:39, skipping insertion in model container
[2024-11-23 23:34:39,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:34:37" (2/3) ...
[2024-11-23 23:34:39,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322e08e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:34:39, skipping insertion in model container
[2024-11-23 23:34:39,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:34:39" (3/3) ...
[2024-11-23 23:34:39,280 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-59.i
[2024-11-23 23:34:39,300 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:34:39,302 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_fillercode_fillercodestructure_normal_file-59.i that has 2 procedures, 54 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-23 23:34:39,369 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:34:39,389 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@11e84aa4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:34:39,390 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-23 23:34:39,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 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)
[2024-11-23 23:34:39,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2024-11-23 23:34:39,409 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:34:39,410 INFO L218 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]
[2024-11-23 23:34:39,411 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:34:39,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:34:39,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1164860862, now seen corresponding path program 1 times
[2024-11-23 23:34:39,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 23:34:39,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1748126126]
[2024-11-23 23:34:39,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:34:39,433 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
[2024-11-23 23:34:39,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 23:34:39,436 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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)
[2024-11-23 23:34:39,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:34:39,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:34:39,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-23 23:34:39,868 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:34:39,933 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked.
[2024-11-23 23:34:39,933 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 23:34:39,937 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 23:34:39,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1748126126]
[2024-11-23 23:34:39,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1748126126] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:34:39,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:34:39,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:34:39,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361549378]
[2024-11-23 23:34:39,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:34:39,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-23 23:34:39,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 23:34:39,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-23 23:34:39,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:34:39,972 INFO L87 Difference]: Start difference. First operand has 54 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 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 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-23 23:34:40,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:34:40,003 INFO L93 Difference]: Finished difference Result 101 states and 168 transitions.
[2024-11-23 23:34:40,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 23:34:40,005 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 95
[2024-11-23 23:34:40,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:34:40,012 INFO L225 Difference]: With dead ends: 101
[2024-11-23 23:34:40,013 INFO L226 Difference]: Without dead ends: 50
[2024-11-23 23:34:40,017 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-23 23:34:40,021 INFO L435 NwaCegarLoop]: 73 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, 73 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:34:40,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-23 23:34:40,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2024-11-23 23:34:40,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2024-11-23 23:34:40,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 34 states have internal predecessors, (45), 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)
[2024-11-23 23:34:40,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 73 transitions.
[2024-11-23 23:34:40,084 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 73 transitions. Word has length 95
[2024-11-23 23:34:40,084 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:34:40,085 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 73 transitions.
[2024-11-23 23:34:40,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14)
[2024-11-23 23:34:40,085 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 73 transitions.
[2024-11-23 23:34:40,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96
[2024-11-23 23:34:40,089 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:34:40,090 INFO L218 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]
[2024-11-23 23:34:40,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:34:40,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:34:40,291 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:34:40,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:34:40,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1236847222, now seen corresponding path program 1 times
[2024-11-23 23:34:40,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 23:34:40,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [923871496]
[2024-11-23 23:34:40,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:34:40,293 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
[2024-11-23 23:34:40,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 23:34:40,298 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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)
[2024-11-23 23:34:40,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:34:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:34:40,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-23 23:34:40,663 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:34:41,203 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-23 23:34:41,203 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 23:34:41,203 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 23:34:41,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [923871496]
[2024-11-23 23:34:41,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [923871496] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:34:41,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:34:41,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:34:41,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826888875]
[2024-11-23 23:34:41,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:34:41,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 23:34:41,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 23:34:41,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 23:34:41,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 23:34:41,213 INFO L87 Difference]: Start difference. First operand 50 states and 73 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 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)
[2024-11-23 23:34:42,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:34:42,249 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions.
[2024-11-23 23:34:42,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 23:34:42,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 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 95
[2024-11-23 23:34:42,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:34:42,262 INFO L225 Difference]: With dead ends: 145
[2024-11-23 23:34:42,262 INFO L226 Difference]: Without dead ends: 98
[2024-11-23 23:34:42,263 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:34:42,264 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 48 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-23 23:34:42,264 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 203 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-23 23:34:42,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2024-11-23 23:34:42,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 79.
[2024-11-23 23:34:42,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 48 states have (on average 1.2291666666666667) internal successors, (59), 48 states have internal predecessors, (59), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28)
[2024-11-23 23:34:42,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 115 transitions.
[2024-11-23 23:34:42,305 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 115 transitions. Word has length 95
[2024-11-23 23:34:42,306 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:34:42,306 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 115 transitions.
[2024-11-23 23:34:42,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 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)
[2024-11-23 23:34:42,307 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions.
[2024-11-23 23:34:42,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97
[2024-11-23 23:34:42,309 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:34:42,310 INFO L218 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]
[2024-11-23 23:34:42,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:34:42,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:34:42,511 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:34:42,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:34:42,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1287173988, now seen corresponding path program 1 times
[2024-11-23 23:34:42,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 23:34:42,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [999888868]
[2024-11-23 23:34:42,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:34:42,512 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
[2024-11-23 23:34:42,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 23:34:42,519 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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)
[2024-11-23 23:34:42,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:34:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:34:42,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-23 23:34:42,893 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:34:43,414 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked.
[2024-11-23 23:34:43,414 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 23:34:43,414 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 23:34:43,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [999888868]
[2024-11-23 23:34:43,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [999888868] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:34:43,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:34:43,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 23:34:43,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299005603]
[2024-11-23 23:34:43,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:34:43,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 23:34:43,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 23:34:43,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 23:34:43,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 23:34:43,416 INFO L87 Difference]: Start difference. First operand 79 states and 115 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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)
[2024-11-23 23:34:44,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:34:44,850 INFO L93 Difference]: Finished difference Result 183 states and 267 transitions.
[2024-11-23 23:34:44,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 23:34:44,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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 96
[2024-11-23 23:34:44,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:34:44,862 INFO L225 Difference]: With dead ends: 183
[2024-11-23 23:34:44,863 INFO L226 Difference]: Without dead ends: 136
[2024-11-23 23:34:44,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-23 23:34:44,865 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 63 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-23 23:34:44,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 201 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-23 23:34:44,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states.
[2024-11-23 23:34:44,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 124.
[2024-11-23 23:34:44,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 78 states have internal predecessors, (98), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2024-11-23 23:34:44,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 182 transitions.
[2024-11-23 23:34:44,901 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 182 transitions. Word has length 96
[2024-11-23 23:34:44,902 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:34:44,902 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 182 transitions.
[2024-11-23 23:34:44,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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)
[2024-11-23 23:34:44,902 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 182 transitions.
[2024-11-23 23:34:44,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2024-11-23 23:34:44,904 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:34:44,904 INFO L218 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]
[2024-11-23 23:34:44,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:34:45,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:34:45,105 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:34:45,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:34:45,106 INFO L85 PathProgramCache]: Analyzing trace with hash 866463787, now seen corresponding path program 1 times
[2024-11-23 23:34:45,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 23:34:45,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [139632774]
[2024-11-23 23:34:45,107 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:34:45,107 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
[2024-11-23 23:34:45,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 23:34:45,109 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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)
[2024-11-23 23:34:45,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:34:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:34:45,502 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-11-23 23:34:45,508 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:34:49,441 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 183 proven. 90 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.
[2024-11-23 23:34:49,441 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:36:06,293 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 23:36:06,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [139632774]
[2024-11-23 23:36:06,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [139632774] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:36:06,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1524453002]
[2024-11-23 23:36:06,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:36:06,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-23 23:36:06,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/cvc4
[2024-11-23 23:36:06,296 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-23 23:36:06,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process
[2024-11-23 23:36:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:36:07,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-11-23 23:36:07,495 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:36:11,214 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 183 proven. 90 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.
[2024-11-23 23:36:11,215 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:36:44,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1524453002] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:36:44,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-23 23:36:44,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 18
[2024-11-23 23:36:44,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193499665]
[2024-11-23 23:36:44,508 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:36:44,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2024-11-23 23:36:44,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 23:36:44,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2024-11-23 23:36:44,514 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=534, Unknown=1, NotChecked=0, Total=702
[2024-11-23 23:36:44,514 INFO L87 Difference]: Start difference. First operand 124 states and 182 transitions. Second operand has 19 states, 19 states have (on average 2.526315789473684) internal successors, (48), 17 states have internal predecessors, (48), 5 states have call successors, (14), 5 states have call predecessors, (14), 7 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2024-11-23 23:36:54,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:36:54,183 INFO L93 Difference]: Finished difference Result 224 states and 298 transitions.
[2024-11-23 23:36:54,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states.
[2024-11-23 23:36:54,184 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.526315789473684) internal successors, (48), 17 states have internal predecessors, (48), 5 states have call successors, (14), 5 states have call predecessors, (14), 7 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14) Word has length 97
[2024-11-23 23:36:54,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:36:54,186 INFO L225 Difference]: With dead ends: 224
[2024-11-23 23:36:54,187 INFO L226 Difference]: Without dead ends: 177
[2024-11-23 23:36:54,188 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 54.4s TimeCoverageRelationStatistics Valid=501, Invalid=1660, Unknown=1, NotChecked=0, Total=2162
[2024-11-23 23:36:54,189 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 117 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time
[2024-11-23 23:36:54,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 507 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time]
[2024-11-23 23:36:54,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states.
[2024-11-23 23:36:54,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 158.
[2024-11-23 23:36:54,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 104 states have (on average 1.1923076923076923) internal successors, (124), 104 states have internal predecessors, (124), 42 states have call successors, (42), 11 states have call predecessors, (42), 11 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2024-11-23 23:36:54,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 208 transitions.
[2024-11-23 23:36:54,230 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 208 transitions. Word has length 97
[2024-11-23 23:36:54,230 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:36:54,230 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 208 transitions.
[2024-11-23 23:36:54,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.526315789473684) internal successors, (48), 17 states have internal predecessors, (48), 5 states have call successors, (14), 5 states have call predecessors, (14), 7 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)
[2024-11-23 23:36:54,231 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 208 transitions.
[2024-11-23 23:36:54,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2024-11-23 23:36:54,233 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:36:54,233 INFO L218 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]
[2024-11-23 23:36:54,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:36:54,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0
[2024-11-23 23:36:54,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt
[2024-11-23 23:36:54,634 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:36:54,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:36:54,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1653496147, now seen corresponding path program 1 times
[2024-11-23 23:36:54,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 23:36:54,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [48477155]
[2024-11-23 23:36:54,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:36:54,636 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
[2024-11-23 23:36:54,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 23:36:54,640 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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)
[2024-11-23 23:36:54,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:36:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:36:54,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-23 23:36:54,885 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:36:55,131 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked.
[2024-11-23 23:36:55,131 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:36:55,658 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 36 proven. 3 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2024-11-23 23:36:55,658 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 23:36:55,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [48477155]
[2024-11-23 23:36:55,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [48477155] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:36:55,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-23 23:36:55,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8
[2024-11-23 23:36:55,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163875862]
[2024-11-23 23:36:55,659 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:36:55,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-23 23:36:55,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 23:36:55,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-23 23:36:55,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2024-11-23 23:36:55,661 INFO L87 Difference]: Start difference. First operand 158 states and 208 transitions. Second operand has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-23 23:36:58,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:36:58,117 INFO L93 Difference]: Finished difference Result 346 states and 456 transitions.
[2024-11-23 23:36:58,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-11-23 23:36:58,118 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 97
[2024-11-23 23:36:58,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:36:58,121 INFO L225 Difference]: With dead ends: 346
[2024-11-23 23:36:58,121 INFO L226 Difference]: Without dead ends: 236
[2024-11-23 23:36:58,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272
[2024-11-23 23:36:58,123 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 96 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-11-23 23:36:58,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 245 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-11-23 23:36:58,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states.
[2024-11-23 23:36:58,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 180.
[2024-11-23 23:36:58,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 123 states have (on average 1.170731707317073) internal successors, (144), 123 states have internal predecessors, (144), 42 states have call successors, (42), 14 states have call predecessors, (42), 14 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2024-11-23 23:36:58,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 228 transitions.
[2024-11-23 23:36:58,161 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 228 transitions. Word has length 97
[2024-11-23 23:36:58,162 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:36:58,162 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 228 transitions.
[2024-11-23 23:36:58,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-23 23:36:58,163 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 228 transitions.
[2024-11-23 23:36:58,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98
[2024-11-23 23:36:58,166 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:36:58,166 INFO L218 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]
[2024-11-23 23:36:58,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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)] Forceful destruction successful, exit code 0
[2024-11-23 23:36:58,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:36:58,368 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:36:58,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:36:58,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1395330709, now seen corresponding path program 1 times
[2024-11-23 23:36:58,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 23:36:58,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1558649853]
[2024-11-23 23:36:58,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:36:58,370 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
[2024-11-23 23:36:58,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 23:36:58,372 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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)
[2024-11-23 23:36:58,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:36:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:36:58,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 20 conjuncts are in the unsatisfiable core
[2024-11-23 23:36:58,708 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:37:04,739 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 190 proven. 48 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked.
[2024-11-23 23:37:04,740 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:37:45,038 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 75 proven. 33 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked.
[2024-11-23 23:37:45,038 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 23:37:45,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1558649853]
[2024-11-23 23:37:45,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1558649853] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:37:45,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-23 23:37:45,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 15] total 32
[2024-11-23 23:37:45,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228926090]
[2024-11-23 23:37:45,038 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:37:45,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states
[2024-11-23 23:37:45,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 23:37:45,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants.
[2024-11-23 23:37:45,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=714, Unknown=0, NotChecked=0, Total=992
[2024-11-23 23:37:45,041 INFO L87 Difference]: Start difference. First operand 180 states and 228 transitions. Second operand has 32 states, 31 states have (on average 2.5806451612903225) internal successors, (80), 30 states have internal predecessors, (80), 7 states have call successors, (28), 5 states have call predecessors, (28), 10 states have return successors, (28), 9 states have call predecessors, (28), 7 states have call successors, (28)
[2024-11-23 23:38:02,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-23 23:38:46,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:38:46,727 INFO L93 Difference]: Finished difference Result 392 states and 486 transitions.
[2024-11-23 23:38:46,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states.
[2024-11-23 23:38:46,744 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 2.5806451612903225) internal successors, (80), 30 states have internal predecessors, (80), 7 states have call successors, (28), 5 states have call predecessors, (28), 10 states have return successors, (28), 9 states have call predecessors, (28), 7 states have call successors, (28) Word has length 97
[2024-11-23 23:38:46,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-23 23:38:46,746 INFO L225 Difference]: With dead ends: 392
[2024-11-23 23:38:46,747 INFO L226 Difference]: Without dead ends: 264
[2024-11-23 23:38:46,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1218 ImplicationChecksByTransitivity, 54.5s TimeCoverageRelationStatistics Valid=1038, Invalid=2384, Unknown=0, NotChecked=0, Total=3422
[2024-11-23 23:38:46,750 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 251 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 1013 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 1066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.8s IncrementalHoareTripleChecker+Time
[2024-11-23 23:38:46,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 488 Invalid, 1066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1013 Invalid, 0 Unknown, 0 Unchecked, 30.8s Time]
[2024-11-23 23:38:46,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states.
[2024-11-23 23:38:46,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 199.
[2024-11-23 23:38:46,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 138 states have (on average 1.144927536231884) internal successors, (158), 138 states have internal predecessors, (158), 42 states have call successors, (42), 18 states have call predecessors, (42), 18 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42)
[2024-11-23 23:38:46,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 242 transitions.
[2024-11-23 23:38:46,819 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 242 transitions. Word has length 97
[2024-11-23 23:38:46,819 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-23 23:38:46,819 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 242 transitions.
[2024-11-23 23:38:46,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 2.5806451612903225) internal successors, (80), 30 states have internal predecessors, (80), 7 states have call successors, (28), 5 states have call predecessors, (28), 10 states have return successors, (28), 9 states have call predecessors, (28), 7 states have call successors, (28)
[2024-11-23 23:38:46,820 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 242 transitions.
[2024-11-23 23:38:46,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99
[2024-11-23 23:38:46,821 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-23 23:38:46,821 INFO L218 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]
[2024-11-23 23:38:46,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:38:47,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:38:47,022 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-23 23:38:47,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:38:47,022 INFO L85 PathProgramCache]: Analyzing trace with hash 855013346, now seen corresponding path program 1 times
[2024-11-23 23:38:47,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 23:38:47,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1999098883]
[2024-11-23 23:38:47,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:38:47,023 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
[2024-11-23 23:38:47,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-23 23:38:47,025 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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)
[2024-11-23 23:38:47,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7cc22e7d-0646-4654-b9f3-bd9e5e9910c7/bin/uautomizer-verify-LYvppIcaGC/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
[2024-11-23 23:38:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:38:47,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 39 conjuncts are in the unsatisfiable core
[2024-11-23 23:38:47,286 INFO L279 TraceCheckSpWp]: Computing forward predicates...