./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c --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_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/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_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/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_1138002b-4f50-43d3-b122-bb3230f2bad7/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 e0a18ef05fc68655f6745bf4a502e0079c3ee8f2ad8ce0a20fedaec28a3ae221
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:37:13,460 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:37:13,536 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-24 00:37:13,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:37:13,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:37:13,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:37:13,573 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:37:13,573 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:37:13,574 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:37:13,574 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 00:37:13,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:37:13,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:37:13,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:37:13,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:37:13,575 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:37:13,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:37:13,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:37:13,576 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 00:37:13,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 00:37:13,576 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 00:37:13,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:37:13,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:37:13,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:37:13,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:37:13,577 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 00:37:13,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:37:13,580 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:37:13,580 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:37:13,580 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:37:13,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:37:13,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:37:13,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:37:13,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:37:13,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:37:13,581 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:37:13,581 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:37:13,581 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:37:13,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:37:13,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:37:13,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:37:13,581 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 00:37:13,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:37:13,581 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 00:37:13,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 00:37:13,582 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:37:13,582 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:37:13,582 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:37:13,582 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:37:13,582 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_1138002b-4f50-43d3-b122-bb3230f2bad7/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 -> e0a18ef05fc68655f6745bf4a502e0079c3ee8f2ad8ce0a20fedaec28a3ae221
[2024-11-24 00:37:13,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:37:13,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:37:13,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:37:13,899 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:37:13,899 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:37:13,901 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c
[2024-11-24 00:37:17,104 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/data/de6c6e97c/a41260b448f54b5183de46fa3171feb1/FLAGecc253814
[2024-11-24 00:37:17,410 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:37:17,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c
[2024-11-24 00:37:17,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/data/de6c6e97c/a41260b448f54b5183de46fa3171feb1/FLAGecc253814
[2024-11-24 00:37:17,452 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/data/de6c6e97c/a41260b448f54b5183de46fa3171feb1
[2024-11-24 00:37:17,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:37:17,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:37:17,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:37:17,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:37:17,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:37:17,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:37:17" (1/1) ...
[2024-11-24 00:37:17,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d468d64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:17, skipping insertion in model container
[2024-11-24 00:37:17,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:37:17" (1/1) ...
[2024-11-24 00:37:17,499 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:37:17,677 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_1138002b-4f50-43d3-b122-bb3230f2bad7/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c[855,868]
[2024-11-24 00:37:17,711 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:37:17,726 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:37:17,739 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_1138002b-4f50-43d3-b122-bb3230f2bad7/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c[855,868]
[2024-11-24 00:37:17,754 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:37:17,774 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:37:17,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:17 WrapperNode
[2024-11-24 00:37:17,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:37:17,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:37:17,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:37:17,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:37:17,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:17" (1/1) ...
[2024-11-24 00:37:17,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:17" (1/1) ...
[2024-11-24 00:37:17,817 INFO L138 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71
[2024-11-24 00:37:17,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:37:17,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:37:17,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:37:17,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:37:17,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:17" (1/1) ...
[2024-11-24 00:37:17,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:17" (1/1) ...
[2024-11-24 00:37:17,830 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:17" (1/1) ...
[2024-11-24 00:37:17,841 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 00:37:17,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:17" (1/1) ...
[2024-11-24 00:37:17,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:17" (1/1) ...
[2024-11-24 00:37:17,846 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:17" (1/1) ...
[2024-11-24 00:37:17,846 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:17" (1/1) ...
[2024-11-24 00:37:17,850 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:17" (1/1) ...
[2024-11-24 00:37:17,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:17" (1/1) ...
[2024-11-24 00:37:17,852 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:17" (1/1) ...
[2024-11-24 00:37:17,854 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:37:17,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:37:17,854 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:37:17,855 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:37:17,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:17" (1/1) ...
[2024-11-24 00:37:17,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:37:17,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:37:17,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:37:17,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:37:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:37:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 00:37:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:37:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:37:17,985 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:37:17,988 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:37:18,117 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live.
[2024-11-24 00:37:18,117 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:37:18,128 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:37:18,128 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-24 00:37:18,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:37:18 BoogieIcfgContainer
[2024-11-24 00:37:18,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:37:18,131 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:37:18,132 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:37:18,137 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:37:18,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:37:17" (1/3) ...
[2024-11-24 00:37:18,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e0f089f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:37:18, skipping insertion in model container
[2024-11-24 00:37:18,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:17" (2/3) ...
[2024-11-24 00:37:18,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e0f089f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:37:18, skipping insertion in model container
[2024-11-24 00:37:18,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:37:18" (3/3) ...
[2024-11-24 00:37:18,140 INFO L128 eAbstractionObserver]: Analyzing ICFG sqrt_Householder_pseudoconstant.c
[2024-11-24 00:37:18,158 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:37:18,160 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sqrt_Householder_pseudoconstant.c that has 1 procedures, 20 locations, 1 initial locations, 2 loop locations, and 1 error locations.
[2024-11-24 00:37:18,238 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:37:18,256 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;@71fc21b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:37:18,256 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 00:37:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:37:18,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-24 00:37:18,268 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:37:18,269 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:37:18,269 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:37:18,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:37:18,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1412609145, now seen corresponding path program 1 times
[2024-11-24 00:37:18,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 00:37:18,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430535524]
[2024-11-24 00:37:18,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:37:18,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 00:37:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:37:18,407 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-24 00:37:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-24 00:37:18,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-24 00:37:18,456 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-24 00:37:18,459 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-24 00:37:18,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 00:37:18,467 INFO L422 BasicCegarLoop]: Path program histogram: [1]
[2024-11-24 00:37:18,499 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 00:37:18,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:37:18 BoogieIcfgContainer
[2024-11-24 00:37:18,504 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 00:37:18,508 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 00:37:18,508 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 00:37:18,508 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 00:37:18,509 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:37:18" (3/4) ...
[2024-11-24 00:37:18,512 INFO L149 WitnessPrinter]: No result that supports witness generation found
[2024-11-24 00:37:18,513 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 00:37:18,514 INFO L158 Benchmark]: Toolchain (without parser) took 1056.94ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 54.7MB in the end (delta: 39.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-11-24 00:37:18,515 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:37:18,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.86ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 82.3MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:37:18,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.26ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:37:18,519 INFO L158 Benchmark]: Boogie Preprocessor took 34.64ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:37:18,519 INFO L158 Benchmark]: RCFGBuilder took 274.64ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 68.9MB in the end (delta: 10.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 00:37:18,519 INFO L158 Benchmark]: TraceAbstraction took 373.21ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 54.7MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 00:37:18,519 INFO L158 Benchmark]: Witness Printer took 5.50ms. Allocated memory is still 117.4MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 00:37:18,524 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 314.86ms. Allocated memory is still 117.4MB. Free memory was 93.9MB in the beginning and 82.3MB in the end (delta: 11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 41.26ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 34.64ms. Allocated memory is still 117.4MB. Free memory was 81.0MB in the beginning and 79.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 274.64ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 68.9MB in the end (delta: 10.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 373.21ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 54.7MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Witness Printer took 5.50ms. Allocated memory is still 117.4MB. Free memory is still 54.7MB. 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: 20]: 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 someBinaryArithmeticDOUBLEoperation at line 44, overapproximation of someBinaryArithmeticDOUBLEoperation at line 30, overapproximation of someUnaryDOUBLEoperation at line 32, overapproximation of someBinaryDOUBLEComparisonOperation at line 52, overapproximation of someBinaryDOUBLEComparisonOperation at line 55, overapproximation of someBinaryDOUBLEComparisonOperation at line 59, overapproximation of someBinaryDOUBLEComparisonOperation at line 33, overapproximation of someBinaryDOUBLEComparisonOperation at line 28.
Possible FailurePath:
[L22] double _EPS = 1e-6;
VAL [_EPS=1/1000000]
[L49] double d, dd, r;
[L50] double epsilon = 1e-8;
[L52] d = 1.
VAL [_EPS=1/1000000]
[L52] COND TRUE d <= 20.
VAL [_EPS=1/1000000]
[L54] dd = __VERIFIER_nondet_double()
[L55] CALL assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon)
[L18] COND FALSE !(!cond)
VAL [_EPS=1/1000000]
[L55] RET assume_abort_if_not(dd >= d-epsilon && dd <= d+epsilon)
[L57] CALL, EXPR SqrtR(dd)
[L26] double xn, xnp1, residu, lsup, linf;
[L27] int i, cond;
VAL [_EPS=1/1000000]
[L28] COND TRUE Input <= 1.0
[L28] xn = 1.0
VAL [_EPS=1/1000000, xn=1]
[L29] xnp1 = xn
[L30] residu = 2.0*_EPS*(xn+xnp1)
[L31] lsup = _EPS * (xn+xnp1)
[L32] linf = -lsup
[L33] cond = ((residu > lsup) || (residu < linf))
[L34] i = 0
VAL [_EPS=1/1000000, cond=0, i=0]
[L35] COND FALSE !(\read(cond))
VAL [_EPS=1/1000000, i=0]
[L44] return 1.0 / xnp1;
VAL [_EPS=1/1000000, i=0]
[L57] RET, EXPR SqrtR(dd)
[L57] r = SqrtR(dd)
[L59] CALL __VERIFIER_assert(r >= 0.9 && r <= 5.)
[L20] COND TRUE !(cond)
VAL [_EPS=1/1000000]
[L20] reach_error()
VAL [_EPS=1/1000000]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2024-11-24 00:37:18,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/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_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/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_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/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_1138002b-4f50-43d3-b122-bb3230f2bad7/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 e0a18ef05fc68655f6745bf4a502e0079c3ee8f2ad8ce0a20fedaec28a3ae221
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 00:37:21,367 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 00:37:21,509 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2024-11-24 00:37:21,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 00:37:21,520 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 00:37:21,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 00:37:21,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 00:37:21,571 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 00:37:21,572 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 00:37:21,572 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 00:37:21,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 00:37:21,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 00:37:21,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 00:37:21,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 00:37:21,576 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 00:37:21,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 00:37:21,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 00:37:21,577 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 00:37:21,577 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 00:37:21,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 00:37:21,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 00:37:21,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 00:37:21,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 00:37:21,578 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-11-24 00:37:21,578 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-24 00:37:21,578 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-24 00:37:21,578 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 00:37:21,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 00:37:21,578 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 00:37:21,578 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 00:37:21,578 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 00:37:21,578 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:37:21,579 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:37:21,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:37:21,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:37:21,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 00:37:21,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 00:37:21,579 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 00:37:21,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 00:37:21,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:37:21,579 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 00:37:21,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 00:37:21,580 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 00:37:21,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 00:37:21,580 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-24 00:37:21,580 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-24 00:37:21,582 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 00:37:21,582 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 00:37:21,582 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 00:37:21,582 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 00:37:21,582 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_1138002b-4f50-43d3-b122-bb3230f2bad7/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 -> e0a18ef05fc68655f6745bf4a502e0079c3ee8f2ad8ce0a20fedaec28a3ae221
[2024-11-24 00:37:21,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 00:37:21,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 00:37:21,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 00:37:21,978 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 00:37:21,979 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 00:37:21,980 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c
[2024-11-24 00:37:25,162 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/data/55a575105/3be8512c258c43ea90a15c70e822ceb2/FLAG3b7dc8ca6
[2024-11-24 00:37:25,440 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 00:37:25,440 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c
[2024-11-24 00:37:25,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/data/55a575105/3be8512c258c43ea90a15c70e822ceb2/FLAG3b7dc8ca6
[2024-11-24 00:37:25,461 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/data/55a575105/3be8512c258c43ea90a15c70e822ceb2
[2024-11-24 00:37:25,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 00:37:25,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 00:37:25,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 00:37:25,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 00:37:25,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 00:37:25,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:37:25" (1/1) ...
[2024-11-24 00:37:25,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50103c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:25, skipping insertion in model container
[2024-11-24 00:37:25,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:37:25" (1/1) ...
[2024-11-24 00:37:25,487 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 00:37:25,636 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_1138002b-4f50-43d3-b122-bb3230f2bad7/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c[855,868]
[2024-11-24 00:37:25,665 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:37:25,680 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 00:37:25,691 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_1138002b-4f50-43d3-b122-bb3230f2bad7/sv-benchmarks/c/float-benchs/sqrt_Householder_pseudoconstant.c[855,868]
[2024-11-24 00:37:25,702 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 00:37:25,725 INFO L204 MainTranslator]: Completed translation
[2024-11-24 00:37:25,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:25 WrapperNode
[2024-11-24 00:37:25,726 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 00:37:25,727 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 00:37:25,728 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 00:37:25,728 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 00:37:25,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:25" (1/1) ...
[2024-11-24 00:37:25,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:25" (1/1) ...
[2024-11-24 00:37:25,769 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72
[2024-11-24 00:37:25,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 00:37:25,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 00:37:25,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 00:37:25,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 00:37:25,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:25" (1/1) ...
[2024-11-24 00:37:25,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:25" (1/1) ...
[2024-11-24 00:37:25,785 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:25" (1/1) ...
[2024-11-24 00:37:25,798 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 00:37:25,798 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:25" (1/1) ...
[2024-11-24 00:37:25,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:25" (1/1) ...
[2024-11-24 00:37:25,807 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:25" (1/1) ...
[2024-11-24 00:37:25,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:25" (1/1) ...
[2024-11-24 00:37:25,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:25" (1/1) ...
[2024-11-24 00:37:25,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:25" (1/1) ...
[2024-11-24 00:37:25,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:25" (1/1) ...
[2024-11-24 00:37:25,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 00:37:25,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 00:37:25,826 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 00:37:25,826 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 00:37:25,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:25" (1/1) ...
[2024-11-24 00:37:25,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 00:37:25,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 00:37:25,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 00:37:25,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 00:37:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 00:37:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-24 00:37:25,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 00:37:25,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 00:37:26,014 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 00:37:26,016 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 00:37:43,600 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live.
[2024-11-24 00:37:43,600 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 00:37:43,611 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 00:37:43,612 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-24 00:37:43,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:37:43 BoogieIcfgContainer
[2024-11-24 00:37:43,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 00:37:43,616 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 00:37:43,616 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 00:37:43,624 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 00:37:43,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:37:25" (1/3) ...
[2024-11-24 00:37:43,627 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7781baa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:37:43, skipping insertion in model container
[2024-11-24 00:37:43,627 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:37:25" (2/3) ...
[2024-11-24 00:37:43,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7781baa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:37:43, skipping insertion in model container
[2024-11-24 00:37:43,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:37:43" (3/3) ...
[2024-11-24 00:37:43,631 INFO L128 eAbstractionObserver]: Analyzing ICFG sqrt_Householder_pseudoconstant.c
[2024-11-24 00:37:43,647 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 00:37:43,648 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sqrt_Householder_pseudoconstant.c that has 1 procedures, 20 locations, 1 initial locations, 2 loop locations, and 1 error locations.
[2024-11-24 00:37:43,692 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 00:37:43,704 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;@6c9995f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 00:37:43,704 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 00:37:43,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:37:43,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-24 00:37:43,714 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:37:43,714 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:37:43,715 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:37:43,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:37:43,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1412609145, now seen corresponding path program 1 times
[2024-11-24 00:37:43,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:37:43,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163005211]
[2024-11-24 00:37:43,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:37:43,731 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 00:37:43,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:37:43,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/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 00:37:43,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/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 00:37:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:37:45,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-24 00:37:45,276 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:37:46,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:37:46,482 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:37:46,483 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:37:46,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163005211]
[2024-11-24 00:37:46,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [163005211] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:37:46,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:37:46,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-24 00:37:46,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618091124]
[2024-11-24 00:37:46,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:37:46,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 00:37:46,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:37:46,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 00:37:46,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-24 00:37:46,518 INFO L87 Difference]: Start difference. First operand has 20 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:37:51,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:37:56,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:38:00,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:38:04,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:38:09,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:38:13,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:38:17,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:38:21,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:38:25,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:38:29,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:38:33,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:38:36,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:38:38,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:38:42,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:38:42,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:38:42,711 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions.
[2024-11-24 00:38:42,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-24 00:38:42,719 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2024-11-24 00:38:42,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:38:42,727 INFO L225 Difference]: With dead ends: 41
[2024-11-24 00:38:42,727 INFO L226 Difference]: Without dead ends: 19
[2024-11-24 00:38:42,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-24 00:38:42,734 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 20 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.9s IncrementalHoareTripleChecker+Time
[2024-11-24 00:38:42,735 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 27 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 10 Unknown, 0 Unchecked, 55.9s Time]
[2024-11-24 00:38:42,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2024-11-24 00:38:42,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18.
[2024-11-24 00:38:42,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:38:42,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions.
[2024-11-24 00:38:42,764 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 13
[2024-11-24 00:38:42,765 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:38:42,765 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions.
[2024-11-24 00:38:42,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:38:42,765 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions.
[2024-11-24 00:38:42,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-24 00:38:42,766 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:38:42,766 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:38:42,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/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 00:38:42,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/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 00:38:42,971 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:38:42,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:38:42,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1107350789, now seen corresponding path program 1 times
[2024-11-24 00:38:42,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:38:42,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885280988]
[2024-11-24 00:38:42,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:38:42,972 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 00:38:42,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:38:42,974 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/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 00:38:42,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/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 00:38:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:38:45,531 WARN L254 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 21 conjuncts are in the unsatisfiable core
[2024-11-24 00:38:45,536 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:38:57,350 WARN L286 SmtUtils]: Spent 7.35s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:39:55,143 WARN L286 SmtUtils]: Spent 22.50s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-24 00:40:02,559 WARN L286 SmtUtils]: Spent 7.27s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:40:08,016 WARN L286 SmtUtils]: Spent 5.46s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:40:16,474 WARN L286 SmtUtils]: Spent 8.46s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:40:26,677 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:40:35,053 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:40:43,410 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:40:51,796 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:41:00,285 WARN L286 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:41:08,633 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:41:17,009 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:41:25,532 WARN L286 SmtUtils]: Spent 8.52s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:41:33,920 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:41:38,307 WARN L851 $PredicateComparison]: unable to prove that (and (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) (.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0)))) (let ((.cse6 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) .cse3)) (.cse5 (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 100000000.0))))) (or (and (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse1 (fp.div c_currentRoundingMode .cse0 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse4 (fp.add c_currentRoundingMode .cse1 |c_ULTIMATE.start_SqrtR_~xnp1~0#1|))) (let ((.cse2 (fp.mul c_currentRoundingMode .cse6 .cse4))) (and (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse0)) (= .cse1 |c_ULTIMATE.start_SqrtR_~xnp1~0#1|) (not (fp.gt .cse2 (fp.mul c_currentRoundingMode .cse3 .cse4))) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse5) (not (fp.lt .cse2 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|))))))) (= |c_ULTIMATE.start_SqrtR_~cond~0#1| (_ bv0 32))) (and (or (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53))) (let ((.cse7 (fp.div c_currentRoundingMode .cse0 |ULTIMATE.start_SqrtR_~Input#1|))) (and (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse0)) (= .cse7 |c_ULTIMATE.start_SqrtR_~xnp1~0#1|) (exists ((|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (fp.lt (fp.mul c_currentRoundingMode .cse6 (fp.add c_currentRoundingMode .cse7 |c_ULTIMATE.start_SqrtR_~xnp1~0#1|)) |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse5)))) (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53))) (let ((.cse8 (fp.div c_currentRoundingMode .cse0 |ULTIMATE.start_SqrtR_~Input#1|))) (and (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse0)) (= .cse8 |c_ULTIMATE.start_SqrtR_~xnp1~0#1|) (let ((.cse9 (fp.add c_currentRoundingMode .cse8 |c_ULTIMATE.start_SqrtR_~xnp1~0#1|))) (fp.gt (fp.mul c_currentRoundingMode .cse6 .cse9) (fp.mul c_currentRoundingMode .cse3 .cse9))) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse5))))) (= |c_ULTIMATE.start_SqrtR_~cond~0#1| (_ bv1 32)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false
[2024-11-24 00:41:46,787 WARN L286 SmtUtils]: Spent 8.43s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:41:55,165 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:42:03,515 WARN L286 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:42:11,904 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:42:20,289 WARN L286 SmtUtils]: Spent 8.38s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:42:24,480 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (let ((.cse1 (fp.div c_currentRoundingMode .cse0 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (.cse4 (fp.add c_currentRoundingMode .cse1 |c_ULTIMATE.start_SqrtR_~xnp1~0#1|))) (let ((.cse2 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) .cse3) .cse4))) (and (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse0)) (= .cse1 |c_ULTIMATE.start_SqrtR_~xnp1~0#1|) (not (fp.gt .cse2 (fp.mul c_currentRoundingMode .cse3 .cse4))) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 100000000.0)))) (not (fp.lt .cse2 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)))))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false
[2024-11-24 00:42:33,179 WARN L286 SmtUtils]: Spent 8.66s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:42:41,763 WARN L286 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:42:50,401 WARN L286 SmtUtils]: Spent 8.64s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:42:59,017 WARN L286 SmtUtils]: Spent 8.62s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:43:07,711 WARN L286 SmtUtils]: Spent 8.69s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:43:11,975 WARN L851 $PredicateComparison]: unable to prove that (and (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode 1.0))) (let ((.cse2 (fp.div c_currentRoundingMode .cse0 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0))) (.cse4 (fp.add c_currentRoundingMode .cse2 .cse2))) (let ((.cse1 (fp.mul c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 2.0) .cse3) .cse4))) (and (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse0)) (not (fp.lt .cse1 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (= (fp.div c_currentRoundingMode .cse0 .cse2) |c_ULTIMATE.start_SqrtR_#res#1|) (not (fp.gt .cse1 (fp.mul c_currentRoundingMode .cse3 .cse4))) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| (fp.add c_currentRoundingMode .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 100000000.0)))))))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false
[2024-11-24 00:43:24,892 WARN L286 SmtUtils]: Spent 8.68s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:43:33,591 WARN L286 SmtUtils]: Spent 8.70s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:43:42,387 WARN L286 SmtUtils]: Spent 8.80s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:43:51,057 WARN L286 SmtUtils]: Spent 8.67s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:43:59,705 WARN L286 SmtUtils]: Spent 8.65s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:44:08,319 WARN L286 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:44:25,463 WARN L286 SmtUtils]: Spent 8.67s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:44:34,119 WARN L286 SmtUtils]: Spent 8.66s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:44:42,797 WARN L286 SmtUtils]: Spent 8.68s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:44:51,339 WARN L286 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:45:00,225 WARN L286 SmtUtils]: Spent 8.89s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:45:12,989 WARN L286 SmtUtils]: Spent 8.60s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:45:21,519 WARN L286 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:45:30,158 WARN L286 SmtUtils]: Spent 8.64s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:45:38,873 WARN L286 SmtUtils]: Spent 8.71s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:45:47,486 WARN L286 SmtUtils]: Spent 8.61s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:45:52,025 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse6 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse7 ((_ to_fp 11 53) roundNearestTiesToEven (/ 9.0 10.0))) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 5.0)) (.cse5 (fp.add roundNearestTiesToEven .cse6 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0)))) (.cse9 (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse1))) (or (and (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse8 (fp.div roundNearestTiesToEven .cse6 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse2 (fp.add roundNearestTiesToEven .cse8 .cse8))) (let ((.cse0 (fp.mul roundNearestTiesToEven .cse9 .cse2)) (.cse3 (fp.div roundNearestTiesToEven .cse6 .cse8))) (and (not (fp.gt .cse0 (fp.mul roundNearestTiesToEven .cse1 .cse2))) (fp.leq .cse3 .cse4) (not (fp.lt .cse0 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse5) (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse6)) (fp.geq .cse3 .cse7)))))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) (and (or (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse12 (fp.div roundNearestTiesToEven .cse6 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse11 (fp.add roundNearestTiesToEven .cse12 .cse12))) (let ((.cse10 (fp.mul roundNearestTiesToEven .cse9 .cse11))) (and (not (fp.gt .cse10 (fp.mul roundNearestTiesToEven .cse1 .cse11))) (not (fp.lt .cse10 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse5) (not (fp.geq (fp.div roundNearestTiesToEven .cse6 .cse12) .cse7)) (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse6))))))) (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse15 (fp.div roundNearestTiesToEven .cse6 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse14 (fp.add roundNearestTiesToEven .cse15 .cse15))) (let ((.cse13 (fp.mul roundNearestTiesToEven .cse9 .cse14))) (and (not (fp.gt .cse13 (fp.mul roundNearestTiesToEven .cse1 .cse14))) (not (fp.leq (fp.div roundNearestTiesToEven .cse6 .cse15) .cse4)) (not (fp.lt .cse13 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse5) (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse6)))))))) (= |c_ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32)))))) is different from false
[2024-11-24 00:46:04,896 WARN L286 SmtUtils]: Spent 8.64s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:46:13,533 WARN L286 SmtUtils]: Spent 8.64s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:46:22,176 WARN L286 SmtUtils]: Spent 8.64s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:46:30,648 WARN L286 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:46:39,226 WARN L286 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:46:51,931 WARN L286 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:47:00,430 WARN L286 SmtUtils]: Spent 8.50s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:47:09,049 WARN L286 SmtUtils]: Spent 8.62s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:47:17,712 WARN L286 SmtUtils]: Spent 8.66s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:47:26,362 WARN L286 SmtUtils]: Spent 8.65s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:47:30,691 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse3 (fp.add roundNearestTiesToEven .cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0)))) (.cse6 (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse1))) (or (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse5 (fp.div roundNearestTiesToEven .cse4 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse2 (fp.add roundNearestTiesToEven .cse5 .cse5))) (let ((.cse0 (fp.mul roundNearestTiesToEven .cse6 .cse2))) (and (not (fp.gt .cse0 (fp.mul roundNearestTiesToEven .cse1 .cse2))) (not (fp.lt .cse0 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse3) (not (fp.geq (fp.div roundNearestTiesToEven .cse4 .cse5) ((_ to_fp 11 53) roundNearestTiesToEven (/ 9.0 10.0)))) (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse4))))))) (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse9 (fp.div roundNearestTiesToEven .cse4 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse8 (fp.add roundNearestTiesToEven .cse9 .cse9))) (let ((.cse7 (fp.mul roundNearestTiesToEven .cse6 .cse8))) (and (not (fp.gt .cse7 (fp.mul roundNearestTiesToEven .cse1 .cse8))) (not (fp.leq (fp.div roundNearestTiesToEven .cse4 .cse9) ((_ to_fp 11 53) roundNearestTiesToEven 5.0))) (not (fp.lt .cse7 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse3) (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse4)))))))))) is different from false
[2024-11-24 00:47:34,865 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000.0))) (.cse4 ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (let ((.cse3 (fp.add roundNearestTiesToEven .cse4 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 100000000.0)))) (.cse6 (fp.mul roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0) .cse1))) (or (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse5 (fp.div roundNearestTiesToEven .cse4 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse2 (fp.add roundNearestTiesToEven .cse5 .cse5))) (let ((.cse0 (fp.mul roundNearestTiesToEven .cse6 .cse2))) (and (not (fp.gt .cse0 (fp.mul roundNearestTiesToEven .cse1 .cse2))) (not (fp.lt .cse0 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse3) (not (fp.geq (fp.div roundNearestTiesToEven .cse4 .cse5) ((_ to_fp 11 53) roundNearestTiesToEven (/ 9.0 10.0)))) (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse4))))))) (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53)) (|v_ULTIMATE.start_SqrtR_~linf~0#1_11| (_ FloatingPoint 11 53))) (let ((.cse9 (fp.div roundNearestTiesToEven .cse4 |ULTIMATE.start_SqrtR_~Input#1|))) (let ((.cse8 (fp.add roundNearestTiesToEven .cse9 .cse9))) (let ((.cse7 (fp.mul roundNearestTiesToEven .cse6 .cse8))) (and (not (fp.gt .cse7 (fp.mul roundNearestTiesToEven .cse1 .cse8))) (not (fp.leq (fp.div roundNearestTiesToEven .cse4 .cse9) ((_ to_fp 11 53) roundNearestTiesToEven 5.0))) (not (fp.lt .cse7 |v_ULTIMATE.start_SqrtR_~linf~0#1_11|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse3) (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse4)))))))))) is different from true
[2024-11-24 00:47:34,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 00:47:34,866 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 00:47:34,866 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-24 00:47:34,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885280988]
[2024-11-24 00:47:34,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1885280988] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 00:47:34,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 00:47:34,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2024-11-24 00:47:34,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895816114]
[2024-11-24 00:47:34,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 00:47:34,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-24 00:47:34,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-24 00:47:34,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-24 00:47:34,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=41, Unknown=7, NotChecked=80, Total=156
[2024-11-24 00:47:34,869 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:47:37,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:47:39,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:47:42,583 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:47:44,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:47:51,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:48:07,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:48:11,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:48:15,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:48:19,897 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode 1.0)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 100000000.0)))) (let ((.cse2 (fp.add c_currentRoundingMode .cse1 .cse0))) (and (= .cse0 |c_ULTIMATE.start_main_~epsilon~0#1|) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 1000000.0)) c_~_EPS~0) (fp.geq |c_ULTIMATE.start_SqrtR_~Input#1| (fp.sub c_currentRoundingMode .cse1 .cse0)) (exists ((|ULTIMATE.start_SqrtR_~Input#1| (_ FloatingPoint 11 53))) (and (not (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse1)) (= |c_ULTIMATE.start_SqrtR_~xn~0#1| (fp.div c_currentRoundingMode .cse1 |ULTIMATE.start_SqrtR_~Input#1|)) (fp.leq |ULTIMATE.start_SqrtR_~Input#1| .cse2))) (= .cse1 |c_ULTIMATE.start_main_~d~0#1|) (= c_currentRoundingMode roundNearestTiesToEven) (fp.leq |c_ULTIMATE.start_SqrtR_~Input#1| .cse2)))) is different from false
[2024-11-24 00:48:24,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:48:28,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:48:32,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:48:36,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:48:37,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:48:42,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:48:46,662 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:48:50,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:48:54,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:48:58,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:49:02,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:49:06,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:49:10,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:49:14,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:49:18,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:49:21,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:49:25,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:49:29,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:49:33,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:49:37,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:49:40,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:49:44,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:49:46,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:49:48,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:49:52,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:49:53,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:49:55,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:50:00,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:50:04,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:50:08,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:50:12,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:50:16,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:50:20,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:50:24,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:50:26,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:50:30,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:50:34,625 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:50:38,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:50:42,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:50:46,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:50:50,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:50:55,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:50:59,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:51:03,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:51:07,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:51:11,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:51:15,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:51:19,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2024-11-24 00:51:23,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2024-11-24 00:51:24,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 00:51:24,044 INFO L93 Difference]: Finished difference Result 56 states and 63 transitions.
[2024-11-24 00:51:24,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-24 00:51:24,046 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2024-11-24 00:51:24,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 00:51:24,047 INFO L225 Difference]: With dead ends: 56
[2024-11-24 00:51:24,047 INFO L226 Difference]: Without dead ends: 54
[2024-11-24 00:51:24,048 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 98.9s TimeCoverageRelationStatistics Valid=45, Invalid=80, Unknown=9, NotChecked=138, Total=272
[2024-11-24 00:51:24,048 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 48 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 38 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 206.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 38 IncrementalHoareTripleChecker+Unknown, 300 IncrementalHoareTripleChecker+Unchecked, 207.9s IncrementalHoareTripleChecker+Time
[2024-11-24 00:51:24,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 72 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 38 Unknown, 300 Unchecked, 207.9s Time]
[2024-11-24 00:51:24,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2024-11-24 00:51:24,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 28.
[2024-11-24 00:51:24,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 27 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:51:24,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions.
[2024-11-24 00:51:24,057 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 13
[2024-11-24 00:51:24,057 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 00:51:24,057 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions.
[2024-11-24 00:51:24,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-24 00:51:24,057 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions.
[2024-11-24 00:51:24,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-11-24 00:51:24,058 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 00:51:24,058 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 00:51:24,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/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 00:51:24,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/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 00:51:24,259 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 00:51:24,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 00:51:24,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1589341643, now seen corresponding path program 1 times
[2024-11-24 00:51:24,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-24 00:51:24,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1077196737]
[2024-11-24 00:51:24,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 00:51:24,260 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 00:51:24,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/mathsat
[2024-11-24 00:51:24,264 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/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 00:51:24,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1138002b-4f50-43d3-b122-bb3230f2bad7/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2024-11-24 00:51:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 00:51:40,927 WARN L254 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 23 conjuncts are in the unsatisfiable core
[2024-11-24 00:51:40,930 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 00:52:01,039 WARN L286 SmtUtils]: Spent 8.59s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:52:09,448 WARN L286 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:52:18,045 WARN L286 SmtUtils]: Spent 8.60s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:52:26,231 WARN L286 SmtUtils]: Spent 8.19s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:52:34,412 WARN L286 SmtUtils]: Spent 8.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)
[2024-11-24 00:52:42,574 WARN L286 SmtUtils]: Spent 8.16s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)