./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-37.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_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/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_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/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_9e1ff12d-24d2-475a-be77-381624544af4/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 27e8564535ea94ba0a863541d1c14289d03df32702288432171c1c39cf06e605
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:46:54,403 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:46:54,502 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-24 01:46:54,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:46:54,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:46:54,530 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:46:54,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:46:54,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:46:54,531 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:46:54,532 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 01:46:54,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 01:46:54,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 01:46:54,532 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:46:54,532 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 01:46:54,533 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 01:46:54,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:46:54,533 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 01:46:54,533 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 01:46:54,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 01:46:54,533 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 01:46:54,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 01:46:54,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 01:46:54,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 01:46:54,534 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 01:46:54,534 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 01:46:54,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 01:46:54,534 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:46:54,534 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 01:46:54,535 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 01:46:54,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:46:54,535 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:46:54,535 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:46:54,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:46:54,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:46:54,536 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:46:54,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:46:54,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:46:54,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:46:54,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:46:54,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 01:46:54,536 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 01:46:54,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 01:46:54,536 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 01:46:54,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 01:46:54,536 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 01:46:54,537 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 01:46:54,537 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 01:46:54,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 01:46:54,537 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_9e1ff12d-24d2-475a-be77-381624544af4/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 -> 27e8564535ea94ba0a863541d1c14289d03df32702288432171c1c39cf06e605
[2024-11-24 01:46:54,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:46:54,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:46:54,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:46:54,887 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 01:46:54,888 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 01:46:54,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-37.i
[2024-11-24 01:46:57,954 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/data/a7f871bd1/2485f8ee06804952bc9b6900cfc4fb7f/FLAG9c3d6d1c7
[2024-11-24 01:46:58,215 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 01:46:58,217 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-37.i
[2024-11-24 01:46:58,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/data/a7f871bd1/2485f8ee06804952bc9b6900cfc4fb7f/FLAG9c3d6d1c7
[2024-11-24 01:46:58,539 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/data/a7f871bd1/2485f8ee06804952bc9b6900cfc4fb7f
[2024-11-24 01:46:58,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:46:58,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:46:58,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:46:58,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:46:58,549 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:46:58,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:46:58" (1/1) ...
[2024-11-24 01:46:58,551 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a8ebc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:58, skipping insertion in model container
[2024-11-24 01:46:58,551 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:46:58" (1/1) ...
[2024-11-24 01:46:58,569 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:46:58,711 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_9e1ff12d-24d2-475a-be77-381624544af4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-37.i[916,929]
[2024-11-24 01:46:58,761 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:46:58,771 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 01:46:58,782 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_9e1ff12d-24d2-475a-be77-381624544af4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-37.i[916,929]
[2024-11-24 01:46:58,806 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:46:58,826 INFO L204 MainTranslator]: Completed translation
[2024-11-24 01:46:58,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:58 WrapperNode
[2024-11-24 01:46:58,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:46:58,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:46:58,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:46:58,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:46:58,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:58" (1/1) ...
[2024-11-24 01:46:58,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:58" (1/1) ...
[2024-11-24 01:46:58,872 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 128
[2024-11-24 01:46:58,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:46:58,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:46:58,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:46:58,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:46:58,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:58" (1/1) ...
[2024-11-24 01:46:58,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:58" (1/1) ...
[2024-11-24 01:46:58,886 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:58" (1/1) ...
[2024-11-24 01:46:58,899 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 01:46:58,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:58" (1/1) ...
[2024-11-24 01:46:58,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:58" (1/1) ...
[2024-11-24 01:46:58,907 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:58" (1/1) ...
[2024-11-24 01:46:58,908 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:58" (1/1) ...
[2024-11-24 01:46:58,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:58" (1/1) ...
[2024-11-24 01:46:58,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:58" (1/1) ...
[2024-11-24 01:46:58,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:58" (1/1) ...
[2024-11-24 01:46:58,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:46:58,919 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:46:58,919 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:46:58,920 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:46:58,921 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:58" (1/1) ...
[2024-11-24 01:46:58,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:46:58,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:46:58,960 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 01:46:58,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:46:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:46:58,997 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-24 01:46:58,997 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-24 01:46:58,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 01:46:58,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:46:58,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:46:59,095 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 01:46:59,098 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:46:59,531 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-11-24 01:46:59,531 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 01:46:59,545 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:46:59,545 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-24 01:46:59,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:46:59 BoogieIcfgContainer
[2024-11-24 01:46:59,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:46:59,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 01:46:59,552 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 01:46:59,556 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 01:46:59,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:46:58" (1/3) ...
[2024-11-24 01:46:59,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4199a704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:46:59, skipping insertion in model container
[2024-11-24 01:46:59,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:46:58" (2/3) ...
[2024-11-24 01:46:59,557 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4199a704 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:46:59, skipping insertion in model container
[2024-11-24 01:46:59,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:46:59" (3/3) ...
[2024-11-24 01:46:59,558 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-37.i
[2024-11-24 01:46:59,581 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 01:46:59,583 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-37.i that has 2 procedures, 58 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 01:46:59,668 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 01:46:59,681 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;@2cffcec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 01:46:59,681 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 01:46:59,686 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-24 01:46:59,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2024-11-24 01:46:59,700 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:46:59,701 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:46:59,702 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:46:59,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:46:59,709 INFO L85 PathProgramCache]: Analyzing trace with hash 568894639, now seen corresponding path program 1 times
[2024-11-24 01:46:59,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:46:59,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113023434]
[2024-11-24 01:46:59,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:46:59,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:46:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:47:00,010 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked.
[2024-11-24 01:47:00,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:47:00,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113023434]
[2024-11-24 01:47:00,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113023434] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:47:00,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899834860]
[2024-11-24 01:47:00,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:47:00,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:47:00,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:47:00,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:47:00,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 01:47:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:47:00,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-24 01:47:00,244 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:47:00,287 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked.
[2024-11-24 01:47:00,288 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:47:00,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899834860] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:47:00,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:47:00,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-24 01:47:00,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377952530]
[2024-11-24 01:47:00,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:47:00,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 01:47:00,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:47:00,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 01:47:00,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 01:47:00,324 INFO L87 Difference]: Start difference. First operand has 58 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 40 states have internal predecessors, (54), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-24 01:47:00,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:47:00,358 INFO L93 Difference]: Finished difference Result 109 states and 182 transitions.
[2024-11-24 01:47:00,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 01:47:00,361 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 105
[2024-11-24 01:47:00,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:47:00,369 INFO L225 Difference]: With dead ends: 109
[2024-11-24 01:47:00,369 INFO L226 Difference]: Without dead ends: 54
[2024-11-24 01:47:00,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 01:47:00,380 INFO L435 NwaCegarLoop]: 79 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, 79 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:47:00,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:47:00,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2024-11-24 01:47:00,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2024-11-24 01:47:00,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 36 states have internal predecessors, (47), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-24 01:47:00,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 79 transitions.
[2024-11-24 01:47:00,435 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 79 transitions. Word has length 105
[2024-11-24 01:47:00,436 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:47:00,436 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 79 transitions.
[2024-11-24 01:47:00,437 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-24 01:47:00,437 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions.
[2024-11-24 01:47:00,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2024-11-24 01:47:00,443 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:47:00,443 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:47:00,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-24 01:47:00,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-24 01:47:00,648 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:47:00,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:47:00,649 INFO L85 PathProgramCache]: Analyzing trace with hash -941243217, now seen corresponding path program 1 times
[2024-11-24 01:47:00,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:47:00,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100749557]
[2024-11-24 01:47:00,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:47:00,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:47:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:47:01,978 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2024-11-24 01:47:01,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:47:01,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100749557]
[2024-11-24 01:47:01,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100749557] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:47:01,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905346269]
[2024-11-24 01:47:01,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:47:01,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:47:01,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:47:01,983 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:47:01,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 01:47:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:47:02,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-24 01:47:02,193 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:47:03,126 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 215 proven. 45 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked.
[2024-11-24 01:47:03,127 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:47:03,608 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked.
[2024-11-24 01:47:03,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905346269] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-24 01:47:03,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-24 01:47:03,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14
[2024-11-24 01:47:03,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311327797]
[2024-11-24 01:47:03,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-24 01:47:03,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-24 01:47:03,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:47:03,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-24 01:47:03,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182
[2024-11-24 01:47:03,611 INFO L87 Difference]: Start difference. First operand 54 states and 79 transitions. Second operand has 14 states, 14 states have (on average 4.0) internal successors, (56), 14 states have internal predecessors, (56), 6 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (47), 5 states have call predecessors, (47), 6 states have call successors, (47)
[2024-11-24 01:47:04,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:47:04,211 INFO L93 Difference]: Finished difference Result 117 states and 165 transitions.
[2024-11-24 01:47:04,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-24 01:47:04,211 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.0) internal successors, (56), 14 states have internal predecessors, (56), 6 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (47), 5 states have call predecessors, (47), 6 states have call successors, (47) Word has length 105
[2024-11-24 01:47:04,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:47:04,213 INFO L225 Difference]: With dead ends: 117
[2024-11-24 01:47:04,213 INFO L226 Difference]: Without dead ends: 66
[2024-11-24 01:47:04,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420
[2024-11-24 01:47:04,215 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 135 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-24 01:47:04,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 162 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-24 01:47:04,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states.
[2024-11-24 01:47:04,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 62.
[2024-11-24 01:47:04,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 42 states have (on average 1.2380952380952381) internal successors, (52), 42 states have internal predecessors, (52), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-24 01:47:04,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 84 transitions.
[2024-11-24 01:47:04,232 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 84 transitions. Word has length 105
[2024-11-24 01:47:04,232 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:47:04,232 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 84 transitions.
[2024-11-24 01:47:04,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.0) internal successors, (56), 14 states have internal predecessors, (56), 6 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (47), 5 states have call predecessors, (47), 6 states have call successors, (47)
[2024-11-24 01:47:04,233 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions.
[2024-11-24 01:47:04,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2024-11-24 01:47:04,234 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:47:04,234 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:47:04,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-24 01:47:04,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:47:04,439 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:47:04,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:47:04,441 INFO L85 PathProgramCache]: Analyzing trace with hash -683077779, now seen corresponding path program 1 times
[2024-11-24 01:47:04,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:47:04,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840822226]
[2024-11-24 01:47:04,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:47:04,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:47:04,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-24 01:47:04,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1600528154]
[2024-11-24 01:47:04,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:47:04,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:47:04,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:47:04,643 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:47:04,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-24 01:47:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:47:04,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 25 conjuncts are in the unsatisfiable core
[2024-11-24 01:47:04,855 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:47:33,787 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 230 proven. 84 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked.
[2024-11-24 01:47:33,787 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:47:33,999 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked.
[2024-11-24 01:47:33,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:47:33,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840822226]
[2024-11-24 01:47:34,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-24 01:47:34,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600528154]
[2024-11-24 01:47:34,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600528154] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:47:34,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:47:34,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 13
[2024-11-24 01:47:34,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302626802]
[2024-11-24 01:47:34,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:47:34,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:47:34,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:47:34,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:47:34,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=119, Unknown=6, NotChecked=0, Total=156
[2024-11-24 01:47:34,004 INFO L87 Difference]: Start difference. First operand 62 states and 84 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-24 01:47:34,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:47:34,157 INFO L93 Difference]: Finished difference Result 160 states and 218 transitions.
[2024-11-24 01:47:34,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 01:47:34,158 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 105
[2024-11-24 01:47:34,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:47:34,159 INFO L225 Difference]: With dead ends: 160
[2024-11-24 01:47:34,160 INFO L226 Difference]: Without dead ends: 101
[2024-11-24 01:47:34,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 28.5s TimeCoverageRelationStatistics Valid=35, Invalid=141, Unknown=6, NotChecked=0, Total=182
[2024-11-24 01:47:34,164 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 73 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-24 01:47:34,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 261 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-24 01:47:34,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states.
[2024-11-24 01:47:34,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 63.
[2024-11-24 01:47:34,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 43 states have internal predecessors, (53), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-24 01:47:34,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 85 transitions.
[2024-11-24 01:47:34,194 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 85 transitions. Word has length 105
[2024-11-24 01:47:34,195 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:47:34,195 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 85 transitions.
[2024-11-24 01:47:34,195 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, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16)
[2024-11-24 01:47:34,195 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions.
[2024-11-24 01:47:34,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2024-11-24 01:47:34,199 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:47:34,199 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:47:34,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-24 01:47:34,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:47:34,404 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:47:34,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:47:34,404 INFO L85 PathProgramCache]: Analyzing trace with hash -3019409, now seen corresponding path program 1 times
[2024-11-24 01:47:34,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:47:34,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156548445]
[2024-11-24 01:47:34,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:47:34,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:47:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-24 01:47:34,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1802233213]
[2024-11-24 01:47:34,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:47:34,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:47:34,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:47:34,504 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:47:34,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-24 01:47:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:47:34,610 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 01:47:34,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 01:47:34,707 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 01:47:34,707 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 01:47:34,708 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-24 01:47:34,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-24 01:47:34,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:47:34,914 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-24 01:47:34,979 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 01:47:34,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:47:34 BoogieIcfgContainer
[2024-11-24 01:47:34,982 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 01:47:34,983 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 01:47:34,983 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 01:47:34,983 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 01:47:34,984 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:46:59" (3/4) ...
[2024-11-24 01:47:34,986 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-11-24 01:47:34,987 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 01:47:34,988 INFO L158 Benchmark]: Toolchain (without parser) took 36445.03ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 83.1MB in the beginning and 90.4MB in the end (delta: -7.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB.
[2024-11-24 01:47:34,988 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:47:34,989 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.04ms. Allocated memory is still 109.1MB. Free memory was 82.8MB in the beginning and 70.0MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 01:47:34,989 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.38ms. Allocated memory is still 109.1MB. Free memory was 70.0MB in the beginning and 67.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:47:34,989 INFO L158 Benchmark]: Boogie Preprocessor took 45.20ms. Allocated memory is still 109.1MB. Free memory was 67.6MB in the beginning and 65.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:47:34,989 INFO L158 Benchmark]: RCFGBuilder took 629.10ms. Allocated memory is still 109.1MB. Free memory was 65.1MB in the beginning and 46.6MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 01:47:34,990 INFO L158 Benchmark]: TraceAbstraction took 35430.77ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 45.8MB in the beginning and 90.5MB in the end (delta: -44.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:47:34,990 INFO L158 Benchmark]: Witness Printer took 4.26ms. Allocated memory is still 134.2MB. Free memory was 90.5MB in the beginning and 90.4MB in the end (delta: 16.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:47:34,992 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 39.8MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 283.04ms. Allocated memory is still 109.1MB. Free memory was 82.8MB in the beginning and 70.0MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 45.38ms. Allocated memory is still 109.1MB. Free memory was 70.0MB in the beginning and 67.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 45.20ms. Allocated memory is still 109.1MB. Free memory was 67.6MB in the beginning and 65.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 629.10ms. Allocated memory is still 109.1MB. Free memory was 65.1MB in the beginning and 46.6MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 35430.77ms. Allocated memory was 109.1MB in the beginning and 134.2MB in the end (delta: 25.2MB). Free memory was 45.8MB in the beginning and 90.5MB in the end (delta: -44.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 4.26ms. Allocated memory is still 134.2MB. Free memory was 90.5MB in the beginning and 90.4MB in the end (delta: 16.1kB). 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 someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryFLOATComparisonOperation at line 91.
Possible FailurePath:
[L21] unsigned char isInitial = 0;
[L22] unsigned char var_1_1 = 8;
[L23] unsigned short int var_1_2 = 59049;
[L24] unsigned short int var_1_3 = 100;
[L25] unsigned char var_1_6 = 16;
[L26] signed char var_1_7 = -25;
[L27] signed char var_1_8 = 16;
[L28] signed char var_1_9 = 25;
[L29] signed char var_1_10 = -10;
[L30] signed char var_1_11 = 0;
[L31] signed long int var_1_12 = 25;
[L32] unsigned long int var_1_13 = 2531521428;
[L33] signed long int var_1_14 = -128;
[L34] signed long int var_1_15 = 256;
[L35] signed short int var_1_16 = -16;
VAL [isInitial=0, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=59049, var_1_3=100, var_1_6=16, var_1_7=-25, var_1_8=16, var_1_9=25]
[L95] isInitial = 1
[L96] FCALL initially()
[L98] FCALL updateLastVariables()
[L99] CALL updateVariables()
[L63] var_1_2 = __VERIFIER_nondet_ushort()
[L64] CALL assume_abort_if_not(var_1_2 >= 32767)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=100, var_1_6=16, var_1_7=-25, var_1_8=16, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=100, var_1_6=16, var_1_7=-25, var_1_8=16, var_1_9=25]
[L64] RET assume_abort_if_not(var_1_2 >= 32767)
VAL [isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=100, var_1_6=16, var_1_7=-25, var_1_8=16, var_1_9=25]
[L65] CALL assume_abort_if_not(var_1_2 <= 65535)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=100, var_1_6=16, var_1_7=-25, var_1_8=16, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=100, var_1_6=16, var_1_7=-25, var_1_8=16, var_1_9=25]
[L65] RET assume_abort_if_not(var_1_2 <= 65535)
VAL [isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=100, var_1_6=16, var_1_7=-25, var_1_8=16, var_1_9=25]
[L66] var_1_3 = __VERIFIER_nondet_ushort()
[L67] CALL assume_abort_if_not(var_1_3 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_6=16, var_1_7=-25, var_1_8=16, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_6=16, var_1_7=-25, var_1_8=16, var_1_9=25]
[L67] RET assume_abort_if_not(var_1_3 >= 0)
VAL [isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_6=16, var_1_7=-25, var_1_8=16, var_1_9=25]
[L68] CALL assume_abort_if_not(var_1_3 <= 32767)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=16, var_1_7=-25, var_1_8=16, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=16, var_1_7=-25, var_1_8=16, var_1_9=25]
[L68] RET assume_abort_if_not(var_1_3 <= 32767)
VAL [isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=16, var_1_7=-25, var_1_8=16, var_1_9=25]
[L69] var_1_6 = __VERIFIER_nondet_uchar()
[L70] CALL assume_abort_if_not(var_1_6 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_7=-25, var_1_8=16, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_7=-25, var_1_8=16, var_1_9=25]
[L70] RET assume_abort_if_not(var_1_6 >= 0)
VAL [isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_7=-25, var_1_8=16, var_1_9=25]
[L71] CALL assume_abort_if_not(var_1_6 <= 254)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=16, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=16, var_1_9=25]
[L71] RET assume_abort_if_not(var_1_6 <= 254)
VAL [isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=16, var_1_9=25]
[L72] var_1_8 = __VERIFIER_nondet_char()
[L73] CALL assume_abort_if_not(var_1_8 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=25]
[L73] RET assume_abort_if_not(var_1_8 >= 0)
VAL [isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=25]
[L74] CALL assume_abort_if_not(var_1_8 <= 63)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=25]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=25]
[L74] RET assume_abort_if_not(var_1_8 <= 63)
VAL [isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=25]
[L75] var_1_9 = __VERIFIER_nondet_char()
[L76] CALL assume_abort_if_not(var_1_9 >= 0)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L76] RET assume_abort_if_not(var_1_9 >= 0)
VAL [isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L77] CALL assume_abort_if_not(var_1_9 <= 31)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L77] RET assume_abort_if_not(var_1_9 <= 31)
VAL [isInitial=1, var_1_10=-10, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L78] var_1_10 = __VERIFIER_nondet_char()
[L79] CALL assume_abort_if_not(var_1_10 >= -63)
VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L79] RET assume_abort_if_not(var_1_10 >= -63)
VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L80] CALL assume_abort_if_not(var_1_10 <= 63)
VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L80] RET assume_abort_if_not(var_1_10 <= 63)
VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=25, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L81] var_1_12 = __VERIFIER_nondet_long()
[L82] CALL assume_abort_if_not(var_1_12 >= -2147483648)
VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L82] RET assume_abort_if_not(var_1_12 >= -2147483648)
VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L83] CALL assume_abort_if_not(var_1_12 <= 2147483647)
VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L83] RET assume_abort_if_not(var_1_12 <= 2147483647)
VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=2531521428, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L84] var_1_13 = __VERIFIER_nondet_ulong()
[L85] CALL assume_abort_if_not(var_1_13 >= 2147483647)
VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=-1, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=-1, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L85] RET assume_abort_if_not(var_1_13 >= 2147483647)
VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=-1, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L86] CALL assume_abort_if_not(var_1_13 <= 4294967295)
VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=-1, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L20] COND FALSE !(!cond)
VAL [\old(cond)=1, isInitial=1, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=-1, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L86] RET assume_abort_if_not(var_1_13 <= 4294967295)
VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=-1, var_1_14=-128, var_1_15=256, var_1_16=-16, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L99] RET updateVariables()
[L100] CALL step()
[L39] var_1_14 = var_1_8
[L40] var_1_16 = var_1_14
[L41] signed long int stepLocal_0 = (((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14));
VAL [isInitial=1, stepLocal_0=6, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=-1, var_1_14=6, var_1_15=256, var_1_16=6, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=-25, var_1_8=6, var_1_9=0]
[L42] COND FALSE !(var_1_2 <= stepLocal_0)
[L45] var_1_7 = var_1_10
VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=-1, var_1_14=6, var_1_15=256, var_1_16=6, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=6, var_1_8=6, var_1_9=0]
[L47] var_1_15 = var_1_16
VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=-1, var_1_14=6, var_1_15=6, var_1_16=6, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=6, var_1_8=6, var_1_9=0]
[L48] EXPR (var_1_2 - var_1_3) ^ (var_1_15 * var_1_16)
VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=-1, var_1_14=6, var_1_15=6, var_1_16=6, var_1_1=8, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=6, var_1_8=6, var_1_9=0]
[L48] COND FALSE !(((var_1_2 - var_1_3) ^ (var_1_15 * var_1_16)) <= -64)
[L51] var_1_1 = var_1_6
VAL [isInitial=1, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=-1, var_1_14=6, var_1_15=6, var_1_16=6, var_1_1=0, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=6, var_1_8=6, var_1_9=0]
[L53] unsigned char stepLocal_1 = var_1_1;
VAL [isInitial=1, stepLocal_1=0, var_1_10=6, var_1_11=0, var_1_12=-2147483648, var_1_13=-1, var_1_14=6, var_1_15=6, var_1_16=6, var_1_1=0, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=6, var_1_8=6, var_1_9=0]
[L54] COND TRUE 2.75f > var_1_12
[L55] var_1_11 = (var_1_10 + var_1_8)
VAL [isInitial=1, stepLocal_1=0, var_1_10=6, var_1_11=12, var_1_12=-2147483648, var_1_13=-1, var_1_14=6, var_1_15=6, var_1_16=6, var_1_1=0, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=6, var_1_8=6, var_1_9=0]
[L100] RET step()
[L101] CALL, EXPR property()
[L91] EXPR (var_1_2 - var_1_3) ^ (var_1_15 * var_1_16)
VAL [isInitial=1, var_1_10=6, var_1_11=12, var_1_12=-2147483648, var_1_13=-1, var_1_14=6, var_1_15=6, var_1_16=6, var_1_1=0, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=6, var_1_8=6, var_1_9=0]
[L91-L92] return ((((((((var_1_2 - var_1_3) ^ (var_1_15 * var_1_16)) <= -64) ? (var_1_1 == ((unsigned char) var_1_6)) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_2 <= ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) ? (var_1_7 == ((signed char) ((var_1_8 - (1 + var_1_9)) + var_1_10))) : (var_1_7 == ((signed char) var_1_10)))) && ((2.75f > var_1_12) ? (var_1_11 == ((signed char) (var_1_10 + var_1_8))) : (((var_1_13 - ((((var_1_14) > (var_1_8)) ? (var_1_14) : (var_1_8)))) > var_1_1) ? (var_1_11 == ((signed char) ((((((((var_1_8) < ((1 + 5))) ? (var_1_8) : ((1 + 5))))) < (var_1_10)) ? (((((var_1_8) < ((1 + 5))) ? (var_1_8) : ((1 + 5))))) : (var_1_10))))) : 1))) && (var_1_14 == ((signed long int) var_1_8))) && (var_1_15 == ((signed long int) var_1_16))) && (var_1_16 == ((signed short int) var_1_14))
;
[L101] RET, EXPR property()
[L101] CALL __VERIFIER_assert(property())
[L19] COND TRUE !(cond)
VAL [isInitial=1, var_1_10=6, var_1_11=12, var_1_12=-2147483648, var_1_13=-1, var_1_14=6, var_1_15=6, var_1_16=6, var_1_1=0, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=6, var_1_8=6, var_1_9=0]
[L19] reach_error()
VAL [isInitial=1, var_1_10=6, var_1_11=12, var_1_12=-2147483648, var_1_13=-1, var_1_14=6, var_1_15=6, var_1_16=6, var_1_1=0, var_1_2=32767, var_1_3=32767, var_1_6=0, var_1_7=6, var_1_8=6, var_1_9=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.3s, OverallIterations: 4, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 208 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 208 mSDsluCounter, 502 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 268 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 326 IncrementalHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 234 mSDtfsCounter, 326 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 538 GetRequests, 507 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 29.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=3, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 42 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 31.9s InterpolantComputationTime, 840 NumberOfCodeBlocks, 840 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 728 ConstructedInterpolants, 1 QuantifiedInterpolants, 2558 SizeOfPredicates, 7 NumberOfNonLiveVariables, 756 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 3111/3360 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
[2024-11-24 01:47:35,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
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_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/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_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-37.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/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_9e1ff12d-24d2-475a-be77-381624544af4/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 27e8564535ea94ba0a863541d1c14289d03df32702288432171c1c39cf06e605
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:47:37,562 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:47:37,696 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-24 01:47:37,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:47:37,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:47:37,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:47:37,751 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:47:37,753 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:47:37,754 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:47:37,754 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 01:47:37,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 01:47:37,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 01:47:37,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:47:37,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 01:47:37,755 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 01:47:37,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:47:37,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 01:47:37,757 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 01:47:37,757 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 01:47:37,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 01:47:37,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 01:47:37,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 01:47:37,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 01:47:37,757 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-24 01:47:37,757 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-24 01:47:37,757 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-24 01:47:37,758 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 01:47:37,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 01:47:37,758 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:47:37,758 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 01:47:37,759 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 01:47:37,759 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:47:37,759 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:47:37,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:47:37,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:47:37,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:47:37,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:47:37,760 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:47:37,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:47:37,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:47:37,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:47:37,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 01:47:37,760 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 01:47:37,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 01:47:37,760 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-24 01:47:37,760 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-24 01:47:37,761 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 01:47:37,761 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 01:47:37,761 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 01:47:37,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 01:47:37,761 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_9e1ff12d-24d2-475a-be77-381624544af4/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 -> 27e8564535ea94ba0a863541d1c14289d03df32702288432171c1c39cf06e605
[2024-11-24 01:47:38,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:47:38,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:47:38,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:47:38,136 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 01:47:38,137 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 01:47:38,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-37.i
[2024-11-24 01:47:41,256 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/data/8c82b9772/ff4ca72c023740ba9b4d42a4039215e0/FLAG7060eef55
[2024-11-24 01:47:41,654 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 01:47:41,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-37.i
[2024-11-24 01:47:41,668 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/data/8c82b9772/ff4ca72c023740ba9b4d42a4039215e0/FLAG7060eef55
[2024-11-24 01:47:41,691 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/data/8c82b9772/ff4ca72c023740ba9b4d42a4039215e0
[2024-11-24 01:47:41,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:47:41,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:47:41,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:47:41,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:47:41,708 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:47:41,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:47:41" (1/1) ...
[2024-11-24 01:47:41,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@617edb8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:47:41, skipping insertion in model container
[2024-11-24 01:47:41,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:47:41" (1/1) ...
[2024-11-24 01:47:41,732 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:47:41,912 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_9e1ff12d-24d2-475a-be77-381624544af4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-37.i[916,929]
[2024-11-24 01:47:41,991 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:47:42,015 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 01:47:42,030 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_9e1ff12d-24d2-475a-be77-381624544af4/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-37.i[916,929]
[2024-11-24 01:47:42,071 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:47:42,094 INFO L204 MainTranslator]: Completed translation
[2024-11-24 01:47:42,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:47:42 WrapperNode
[2024-11-24 01:47:42,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:47:42,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:47:42,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:47:42,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:47:42,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:47:42" (1/1) ...
[2024-11-24 01:47:42,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:47:42" (1/1) ...
[2024-11-24 01:47:42,148 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102
[2024-11-24 01:47:42,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:47:42,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:47:42,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:47:42,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:47:42,159 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:47:42" (1/1) ...
[2024-11-24 01:47:42,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:47:42" (1/1) ...
[2024-11-24 01:47:42,162 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:47:42" (1/1) ...
[2024-11-24 01:47:42,174 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-24 01:47:42,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:47:42" (1/1) ...
[2024-11-24 01:47:42,174 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:47:42" (1/1) ...
[2024-11-24 01:47:42,191 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:47:42" (1/1) ...
[2024-11-24 01:47:42,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:47:42" (1/1) ...
[2024-11-24 01:47:42,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:47:42" (1/1) ...
[2024-11-24 01:47:42,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:47:42" (1/1) ...
[2024-11-24 01:47:42,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:47:42" (1/1) ...
[2024-11-24 01:47:42,210 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:47:42,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:47:42,211 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:47:42,212 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:47:42,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:47:42" (1/1) ...
[2024-11-24 01:47:42,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:47:42,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:47:42,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 01:47:42,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:47:42,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:47:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-24 01:47:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-24 01:47:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-24 01:47:42,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:47:42,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:47:42,390 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 01:47:42,393 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:47:42,977 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live.
[2024-11-24 01:47:42,977 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 01:47:42,987 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:47:42,988 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-24 01:47:42,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:47:42 BoogieIcfgContainer
[2024-11-24 01:47:42,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:47:42,991 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 01:47:42,991 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 01:47:42,995 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 01:47:42,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:47:41" (1/3) ...
[2024-11-24 01:47:42,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad1e38d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:47:42, skipping insertion in model container
[2024-11-24 01:47:42,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:47:42" (2/3) ...
[2024-11-24 01:47:42,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad1e38d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:47:42, skipping insertion in model container
[2024-11-24 01:47:42,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:47:42" (3/3) ...
[2024-11-24 01:47:42,998 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-37.i
[2024-11-24 01:47:43,014 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 01:47:43,015 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-37.i that has 2 procedures, 49 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-24 01:47:43,082 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 01:47:43,096 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;@3ac5f799, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 01:47:43,097 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 01:47:43,101 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-24 01:47:43,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-11-24 01:47:43,149 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:47:43,150 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:47:43,150 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:47:43,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:47:43,159 INFO L85 PathProgramCache]: Analyzing trace with hash -1413997915, now seen corresponding path program 1 times
[2024-11-24 01:47:43,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:47:43,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1029852990]
[2024-11-24 01:47:43,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:47:43,174 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
[2024-11-24 01:47:43,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 01:47:43,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/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)
[2024-11-24 01:47:43,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/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
[2024-11-24 01:47:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:47:43,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-24 01:47:43,425 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:47:43,471 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked.
[2024-11-24 01:47:43,473 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:47:43,474 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:47:43,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1029852990]
[2024-11-24 01:47:43,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1029852990] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:47:43,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:47:43,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-24 01:47:43,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415872602]
[2024-11-24 01:47:43,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:47:43,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-24 01:47:43,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 01:47:43,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-24 01:47:43,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 01:47:43,508 INFO L87 Difference]: Start difference. First operand has 49 states, 30 states have (on average 1.3) internal successors, (39), 31 states have internal predecessors, (39), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-24 01:47:43,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:47:43,542 INFO L93 Difference]: Finished difference Result 91 states and 152 transitions.
[2024-11-24 01:47:43,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-24 01:47:43,544 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 102
[2024-11-24 01:47:43,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:47:43,551 INFO L225 Difference]: With dead ends: 91
[2024-11-24 01:47:43,552 INFO L226 Difference]: Without dead ends: 45
[2024-11-24 01:47:43,556 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-24 01:47:43,561 INFO L435 NwaCegarLoop]: 64 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, 64 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:47:43,563 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:47:43,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states.
[2024-11-24 01:47:43,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45.
[2024-11-24 01:47:43,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-24 01:47:43,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions.
[2024-11-24 01:47:43,616 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 102
[2024-11-24 01:47:43,616 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:47:43,617 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions.
[2024-11-24 01:47:43,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16)
[2024-11-24 01:47:43,617 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions.
[2024-11-24 01:47:43,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-11-24 01:47:43,623 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:47:43,623 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:47:43,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/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
[2024-11-24 01:47:43,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/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
[2024-11-24 01:47:43,824 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:47:43,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:47:43,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1808726693, now seen corresponding path program 1 times
[2024-11-24 01:47:43,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:47:43,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [12054033]
[2024-11-24 01:47:43,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:47:43,826 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
[2024-11-24 01:47:43,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 01:47:43,828 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/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)
[2024-11-24 01:47:43,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/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
[2024-11-24 01:47:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:47:43,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-24 01:47:44,002 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:47:44,866 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 222 proven. 69 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked.
[2024-11-24 01:47:44,866 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:47:45,253 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:47:45,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [12054033]
[2024-11-24 01:47:45,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [12054033] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:47:45,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1778437965]
[2024-11-24 01:47:45,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:47:45,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-24 01:47:45,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/cvc4
[2024-11-24 01:47:45,258 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-24 01:47:45,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process
[2024-11-24 01:47:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:47:45,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-24 01:47:45,523 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:47:46,013 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 222 proven. 69 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked.
[2024-11-24 01:47:46,013 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:47:46,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1778437965] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:47:46,271 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-24 01:47:46,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9
[2024-11-24 01:47:46,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974351758]
[2024-11-24 01:47:46,272 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-24 01:47:46,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-24 01:47:46,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 01:47:46,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-24 01:47:46,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132
[2024-11-24 01:47:46,276 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 3 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16)
[2024-11-24 01:47:47,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:47:47,319 INFO L93 Difference]: Finished difference Result 99 states and 135 transitions.
[2024-11-24 01:47:47,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-24 01:47:47,321 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 3 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 102
[2024-11-24 01:47:47,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:47:47,323 INFO L225 Difference]: With dead ends: 99
[2024-11-24 01:47:47,323 INFO L226 Difference]: Without dead ends: 57
[2024-11-24 01:47:47,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272
[2024-11-24 01:47:47,327 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 39 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-24 01:47:47,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 110 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-24 01:47:47,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2024-11-24 01:47:47,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 53.
[2024-11-24 01:47:47,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16)
[2024-11-24 01:47:47,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions.
[2024-11-24 01:47:47,347 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 102
[2024-11-24 01:47:47,347 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:47:47,348 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 69 transitions.
[2024-11-24 01:47:47,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 3 states have call successors, (16), 3 states have call predecessors, (16), 4 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16)
[2024-11-24 01:47:47,348 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions.
[2024-11-24 01:47:47,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103
[2024-11-24 01:47:47,351 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:47:47,352 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:47:47,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0
[2024-11-24 01:47:47,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/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
[2024-11-24 01:47:47,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/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
[2024-11-24 01:47:47,753 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:47:47,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:47:47,753 INFO L85 PathProgramCache]: Analyzing trace with hash -1806182233, now seen corresponding path program 1 times
[2024-11-24 01:47:47,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 01:47:47,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [77131355]
[2024-11-24 01:47:47,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:47:47,754 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
[2024-11-24 01:47:47,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 01:47:47,756 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/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)
[2024-11-24 01:47:47,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/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
[2024-11-24 01:47:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:47:47,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-11-24 01:47:47,890 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:47:49,289 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 242 proven. 114 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked.
[2024-11-24 01:47:49,289 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-24 01:47:54,657 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 01:47:54,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [77131355]
[2024-11-24 01:47:54,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [77131355] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:47:54,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [477726099]
[2024-11-24 01:47:54,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:47:54,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2024-11-24 01:47:54,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/cvc4
[2024-11-24 01:47:54,660 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2024-11-24 01:47:54,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e1ff12d-24d2-475a-be77-381624544af4/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process
[2024-11-24 01:47:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:47:54,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 21 conjuncts are in the unsatisfiable core
[2024-11-24 01:47:54,887 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:55:24,930 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 222 proven. 69 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked.
[2024-11-24 01:55:24,930 INFO L312 TraceCheckSpWp]: Computing backward predicates...