./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0970a.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0970a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --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 6c0d87e5cab4fd8cfe59229ecc351c0984abd613d260378d067ff001b545db3a
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:03:21,551 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:03:21,554 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:03:21,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:03:21,594 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:03:21,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:03:21,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:03:21,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:03:21,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:03:21,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:03:21,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:03:21,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:03:21,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:03:21,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:03:21,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:03:21,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:03:21,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:03:21,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:03:21,626 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:03:21,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:03:21,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:03:21,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:03:21,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:03:21,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:03:21,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:03:21,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:03:21,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:03:21,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:03:21,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:03:21,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:03:21,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:03:21,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:03:21,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:03:21,657 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:03:21,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:03:21,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:03:21,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:03:21,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:03:21,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:03:21,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:03:21,665 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:03:21,666 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-13 18:03:21,697 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:03:21,702 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:03:21,702 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:03:21,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:03:21,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:03:21,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:03:21,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:03:21,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:03:21,709 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:03:21,710 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:03:21,710 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:03:21,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:03:21,711 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:03:21,711 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:03:21,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:03:21,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:03:21,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:03:21,713 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:03:21,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:03:21,713 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:03:21,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:03:21,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:03:21,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:03:21,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:03:21,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:03:21,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:03:21,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:03:21,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:03:21,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:03:21,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:03:21,718 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:03:21,718 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:03:21,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:03:21,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:03:21,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c0d87e5cab4fd8cfe59229ecc351c0984abd613d260378d067ff001b545db3a
[2021-11-13 18:03:22,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:03:22,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:03:22,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:03:22,133 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:03:22,137 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:03:22,140 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/float-newlib/float_req_bl_0970a.c
[2021-11-13 18:03:22,283 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/data/2fa6b82e9/43e17d60b68d488ca7ffd3c34df73c33/FLAG0a6e2b477
[2021-11-13 18:03:22,999 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:03:23,000 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/sv-benchmarks/c/float-newlib/float_req_bl_0970a.c
[2021-11-13 18:03:23,013 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/data/2fa6b82e9/43e17d60b68d488ca7ffd3c34df73c33/FLAG0a6e2b477
[2021-11-13 18:03:23,339 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/data/2fa6b82e9/43e17d60b68d488ca7ffd3c34df73c33
[2021-11-13 18:03:23,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:03:23,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:03:23,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:03:23,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:03:23,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:03:23,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:03:23" (1/1) ...
[2021-11-13 18:03:23,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70ecdd02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:23, skipping insertion in model container
[2021-11-13 18:03:23,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:03:23" (1/1) ...
[2021-11-13 18:03:23,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:03:23,395 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:03:23,697 WARN L228 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_3459678a-3976-4509-9797-7d6d8eb17f96/sv-benchmarks/c/float-newlib/float_req_bl_0970a.c[4407,4420]
[2021-11-13 18:03:23,704 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:03:23,725 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:03:23,834 WARN L228 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_3459678a-3976-4509-9797-7d6d8eb17f96/sv-benchmarks/c/float-newlib/float_req_bl_0970a.c[4407,4420]
[2021-11-13 18:03:23,835 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:03:23,860 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:03:23,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:23 WrapperNode
[2021-11-13 18:03:23,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:03:23,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:03:23,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:03:23,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:03:23,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:23" (1/1) ...
[2021-11-13 18:03:23,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:23" (1/1) ...
[2021-11-13 18:03:23,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:03:23,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:03:23,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:03:23,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:03:23,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:23" (1/1) ...
[2021-11-13 18:03:23,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:23" (1/1) ...
[2021-11-13 18:03:24,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:23" (1/1) ...
[2021-11-13 18:03:24,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:23" (1/1) ...
[2021-11-13 18:03:24,027 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:23" (1/1) ...
[2021-11-13 18:03:24,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:23" (1/1) ...
[2021-11-13 18:03:24,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:23" (1/1) ...
[2021-11-13 18:03:24,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:03:24,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:03:24,057 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:03:24,058 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:03:24,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:23" (1/1) ...
[2021-11-13 18:03:24,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:03:24,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:03:24,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:03:24,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:03:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:03:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:03:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2021-11-13 18:03:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 18:03:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2021-11-13 18:03:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:03:24,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:03:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 18:03:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 18:03:24,689 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:03:24,689 INFO L299 CfgBuilder]: Removed 14 assume(true) statements.
[2021-11-13 18:03:24,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:03:24 BoogieIcfgContainer
[2021-11-13 18:03:24,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:03:24,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:03:24,695 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:03:24,699 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:03:24,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:03:23" (1/3) ...
[2021-11-13 18:03:24,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fce72c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:03:24, skipping insertion in model container
[2021-11-13 18:03:24,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:23" (2/3) ...
[2021-11-13 18:03:24,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fce72c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:03:24, skipping insertion in model container
[2021-11-13 18:03:24,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:03:24" (3/3) ...
[2021-11-13 18:03:24,703 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a.c
[2021-11-13 18:03:24,710 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:03:24,711 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:03:24,776 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:03:24,800 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR
[2021-11-13 18:03:24,801 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:03:24,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 50 states have internal predecessors, (82), 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)
[2021-11-13 18:03:24,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-11-13 18:03:24,829 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:03:24,829 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:03:24,830 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:03:24,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:03:24,838 INFO L85 PathProgramCache]: Analyzing trace with hash 629078660, now seen corresponding path program 1 times
[2021-11-13 18:03:24,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:03:24,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996030072]
[2021-11-13 18:03:24,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:03:24,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:03:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:03:25,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:03:25,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:03:25,054 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996030072]
[2021-11-13 18:03:25,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996030072] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:03:25,055 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:03:25,056 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 18:03:25,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083195986]
[2021-11-13 18:03:25,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:03:25,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 18:03:25,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:03:25,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 18:03:25,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:03:25,108 INFO L87 Difference]: Start difference. First operand has 51 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 50 states have internal predecessors, (82), 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 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2021-11-13 18:03:25,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:03:25,137 INFO L93 Difference]: Finished difference Result 99 states and 160 transitions.
[2021-11-13 18:03:25,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 18:03:25,140 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11
[2021-11-13 18:03:25,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:03:25,153 INFO L225 Difference]: With dead ends: 99
[2021-11-13 18:03:25,154 INFO L226 Difference]: Without dead ends: 47
[2021-11-13 18:03:25,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:03:25,163 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.00ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:03:25,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 2.00ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 18:03:25,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2021-11-13 18:03:25,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2021-11-13 18:03:25,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 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)
[2021-11-13 18:03:25,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions.
[2021-11-13 18:03:25,214 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 11
[2021-11-13 18:03:25,215 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:03:25,215 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions.
[2021-11-13 18:03:25,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2021-11-13 18:03:25,216 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions.
[2021-11-13 18:03:25,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-11-13 18:03:25,217 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:03:25,217 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:03:25,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 18:03:25,220 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:03:25,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:03:25,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1648732847, now seen corresponding path program 1 times
[2021-11-13 18:03:25,222 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:03:25,222 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902962907]
[2021-11-13 18:03:25,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:03:25,223 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:03:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:03:25,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:03:25,383 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 18:03:25,383 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902962907]
[2021-11-13 18:03:25,384 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902962907] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:03:25,385 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:03:25,385 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-11-13 18:03:25,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962269639]
[2021-11-13 18:03:25,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 18:03:25,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:03:25,390 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 18:03:25,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:03:25,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:03:25,393 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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)
[2021-11-13 18:03:25,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:03:25,441 INFO L93 Difference]: Finished difference Result 87 states and 116 transitions.
[2021-11-13 18:03:25,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:03:25,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12
[2021-11-13 18:03:25,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:03:25,445 INFO L225 Difference]: With dead ends: 87
[2021-11-13 18:03:25,446 INFO L226 Difference]: Without dead ends: 47
[2021-11-13 18:03:25,453 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:03:25,456 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.30ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.17ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.66ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:03:25,458 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 4 Unknown, 0 Unchecked, 2.17ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 29.66ms Time]
[2021-11-13 18:03:25,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2021-11-13 18:03:25,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2021-11-13 18:03:25,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 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)
[2021-11-13 18:03:25,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions.
[2021-11-13 18:03:25,485 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 12
[2021-11-13 18:03:25,485 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:03:25,486 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions.
[2021-11-13 18:03:25,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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)
[2021-11-13 18:03:25,488 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions.
[2021-11-13 18:03:25,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2021-11-13 18:03:25,490 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:03:25,492 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:03:25,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 18:03:25,495 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:03:25,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:03:25,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1229314972, now seen corresponding path program 1 times
[2021-11-13 18:03:25,497 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:03:25,498 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203071337]
[2021-11-13 18:03:25,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:03:25,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:03:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:03:25,687 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:03:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:03:25,833 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:03:25,834 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2021-11-13 18:03:25,835 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 18:03:25,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-11-13 18:03:25,842 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2021-11-13 18:03:25,846 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:03:25,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:03:25 BoogieIcfgContainer
[2021-11-13 18:03:25,926 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 18:03:25,927 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:03:25,929 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:03:25,929 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:03:25,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:03:24" (3/4) ...
[2021-11-13 18:03:25,934 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2021-11-13 18:03:25,935 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:03:25,936 INFO L158 Benchmark]: Toolchain (without parser) took 2589.14ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 62.9MB in the beginning and 85.4MB in the end (delta: -22.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:03:25,937 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 96.5MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:03:25,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.39ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 62.6MB in the beginning and 91.8MB in the end (delta: -29.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:03:25,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.97ms. Allocated memory is still 119.5MB. Free memory was 91.8MB in the beginning and 89.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:03:25,947 INFO L158 Benchmark]: Boogie Preprocessor took 85.70ms. Allocated memory is still 119.5MB. Free memory was 89.1MB in the beginning and 87.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:03:25,954 INFO L158 Benchmark]: RCFGBuilder took 635.01ms. Allocated memory is still 119.5MB. Free memory was 87.6MB in the beginning and 71.7MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2021-11-13 18:03:25,954 INFO L158 Benchmark]: TraceAbstraction took 1232.22ms. Allocated memory is still 119.5MB. Free memory was 70.8MB in the beginning and 86.1MB in the end (delta: -15.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:03:25,956 INFO L158 Benchmark]: Witness Printer took 7.31ms. Allocated memory is still 119.5MB. Free memory was 86.1MB in the beginning and 85.4MB in the end (delta: 729.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:03:25,959 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.41ms. Allocated memory is still 96.5MB. Free memory was 51.9MB in the beginning and 51.9MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 509.39ms. Allocated memory was 96.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Free memory was 62.6MB in the beginning and 91.8MB in the end (delta: -29.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 106.97ms. Allocated memory is still 119.5MB. Free memory was 91.8MB in the beginning and 89.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 85.70ms. Allocated memory is still 119.5MB. Free memory was 89.1MB in the beginning and 87.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 635.01ms. Allocated memory is still 119.5MB. Free memory was 87.6MB in the beginning and 71.7MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 1232.22ms. Allocated memory is still 119.5MB. Free memory was 70.8MB in the beginning and 86.1MB in the end (delta: -15.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 7.31ms. Allocated memory is still 119.5MB. Free memory was 86.1MB in the beginning and 85.4MB in the end (delta: 729.3kB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 176]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 147, overapproximation of bitwiseAnd at line 118, overapproximation of someBinaryArithmeticFLOAToperation at line 119.
Possible FailurePath:
[L14-L18] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06,
two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01,
Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01,
Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01,
Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01;
[L20] static const float zero_log = 0.0;
[L100-L103] static const float two25_log10 = 3.3554432000e+07,
ivln10_log10 = 4.3429449201e-01,
log10_2hi_log10 = 3.0102920532e-01,
log10_2lo_log10 = 7.9034151668e-07;
[L105] static const float zero = 0.0;
VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0]
[L168] float x = __VERIFIER_nondet_float();
[L170] x < 0 && isfinite_float(x)
[L170] CALL, EXPR isfinite_float(x)
[L151] __int32_t ix;
VAL [\old(x)=8589934591, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=8589934591, zero=0, zero_log=0]
[L153] ieee_float_shape_type gf_u;
[L154] gf_u.value = (x)
[L155] EXPR gf_u.word
[L155] (ix) = gf_u.word
[L157] ix &= 0x7fffffff
[L158] return (((ix) < 0x7f800000L));
VAL [\old(x)=8589934591, \result=1, ivln10_log10=43429449201/100000000000, ix=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=8589934591, zero=0, zero_log=0]
[L170] RET, EXPR isfinite_float(x)
[L170] x < 0 && isfinite_float(x)
VAL [isfinite_float(x)=1, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=8589934591, x < 0 && isfinite_float(x)=1, zero=0, zero_log=0]
[L170] COND TRUE x < 0 && isfinite_float(x)
[L172] CALL, EXPR __ieee754_log10f(x)
[L108] float y, z;
[L109] __int32_t i, k, hx;
VAL [\old(x)=8589934591, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=8589934591, zero=0, zero_log=0]
[L112] ieee_float_shape_type gf_u;
[L113] gf_u.value = (x)
[L114] EXPR gf_u.word
[L114] (hx) = gf_u.word
[L117] k = 0
VAL [\old(x)=8589934591, hx=-1, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=8589934591, zero=0, zero_log=0]
[L118] COND TRUE ((hx & 0x7fffffff) == 0)
[L119] return -two25_log10 / zero;
VAL [\old(x)=8589934591, hx=-1, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=8589934591, zero=0, zero_log=0]
[L172] RET, EXPR __ieee754_log10f(x)
[L172] float res = __ieee754_log10f(x);
[L175] CALL, EXPR isnan_float(res)
[L147] return x != x;
VAL [\old(x)=8589934592, \result=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=8589934592, zero=0, zero_log=0]
[L175] RET, EXPR isnan_float(res)
[L175] COND TRUE !isnan_float(res)
[L176] reach_error()
VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=8589934592, two25_log=33554432, two25_log10=33554432, x=8589934591, zero=0, zero_log=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 29.66ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 23.30ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 129 mSDtfsCounter, 4 mSolverCounterSat, 4.16ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2021-11-13 18:03:26,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0970a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y --witnessprinter.witness.filename witness.graphml --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 6c0d87e5cab4fd8cfe59229ecc351c0984abd613d260378d067ff001b545db3a
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:03:29,274 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:03:29,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:03:29,331 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:03:29,332 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:03:29,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:03:29,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:03:29,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:03:29,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:03:29,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:03:29,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:03:29,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:03:29,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:03:29,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:03:29,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:03:29,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:03:29,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:03:29,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:03:29,394 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:03:29,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:03:29,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:03:29,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:03:29,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:03:29,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:03:29,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:03:29,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:03:29,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:03:29,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:03:29,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:03:29,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:03:29,432 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:03:29,433 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:03:29,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:03:29,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:03:29,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:03:29,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:03:29,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:03:29,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:03:29,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:03:29,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:03:29,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:03:29,456 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2021-11-13 18:03:29,509 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:03:29,509 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:03:29,510 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:03:29,510 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:03:29,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:03:29,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:03:29,512 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:03:29,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:03:29,513 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:03:29,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:03:29,513 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:03:29,513 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:03:29,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:03:29,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:03:29,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:03:29,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:03:29,515 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2021-11-13 18:03:29,515 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2021-11-13 18:03:29,515 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:03:29,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:03:29,516 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:03:29,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:03:29,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:03:29,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:03:29,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:03:29,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:03:29,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:03:29,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:03:29,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:03:29,518 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2021-11-13 18:03:29,518 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-11-13 18:03:29,519 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 18:03:29,519 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 18:03:29,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:03:29,519 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:03:29,520 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2021-11-13 18:03:29,520 INFO L138 SettingsManager]: * Logic for external solver=AUFBV
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c0d87e5cab4fd8cfe59229ecc351c0984abd613d260378d067ff001b545db3a
[2021-11-13 18:03:30,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:03:30,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:03:30,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:03:30,099 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:03:30,101 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:03:30,103 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/float-newlib/float_req_bl_0970a.c
[2021-11-13 18:03:30,196 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/data/b087b9b95/aa004008985646038a2a009c12c495a6/FLAG94049b3eb
[2021-11-13 18:03:30,952 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:03:30,953 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/sv-benchmarks/c/float-newlib/float_req_bl_0970a.c
[2021-11-13 18:03:30,968 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/data/b087b9b95/aa004008985646038a2a009c12c495a6/FLAG94049b3eb
[2021-11-13 18:03:31,258 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/data/b087b9b95/aa004008985646038a2a009c12c495a6
[2021-11-13 18:03:31,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:03:31,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:03:31,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:03:31,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:03:31,272 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:03:31,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:03:31" (1/1) ...
[2021-11-13 18:03:31,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11397778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:31, skipping insertion in model container
[2021-11-13 18:03:31,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:03:31" (1/1) ...
[2021-11-13 18:03:31,287 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:03:31,334 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:03:31,596 WARN L228 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_3459678a-3976-4509-9797-7d6d8eb17f96/sv-benchmarks/c/float-newlib/float_req_bl_0970a.c[4407,4420]
[2021-11-13 18:03:31,600 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:03:31,619 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:03:31,740 WARN L228 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_3459678a-3976-4509-9797-7d6d8eb17f96/sv-benchmarks/c/float-newlib/float_req_bl_0970a.c[4407,4420]
[2021-11-13 18:03:31,741 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:03:31,765 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:03:31,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:31 WrapperNode
[2021-11-13 18:03:31,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:03:31,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:03:31,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:03:31,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:03:31,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:31" (1/1) ...
[2021-11-13 18:03:31,797 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:31" (1/1) ...
[2021-11-13 18:03:31,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:03:31,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:03:31,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:03:31,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:03:31,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:31" (1/1) ...
[2021-11-13 18:03:31,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:31" (1/1) ...
[2021-11-13 18:03:31,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:31" (1/1) ...
[2021-11-13 18:03:31,873 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:31" (1/1) ...
[2021-11-13 18:03:31,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:31" (1/1) ...
[2021-11-13 18:03:31,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:31" (1/1) ...
[2021-11-13 18:03:31,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:31" (1/1) ...
[2021-11-13 18:03:31,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:03:31,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:03:31,941 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:03:31,941 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:03:31,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:31" (1/1) ...
[2021-11-13 18:03:31,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:03:31,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:03:31,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:03:32,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:03:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2021-11-13 18:03:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:03:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4
[2021-11-13 18:03:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-11-13 18:03:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:03:32,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:03:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4
[2021-11-13 18:03:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-11-13 18:03:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 18:03:58,112 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:03:58,112 INFO L299 CfgBuilder]: Removed 14 assume(true) statements.
[2021-11-13 18:03:58,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:03:58 BoogieIcfgContainer
[2021-11-13 18:03:58,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:03:58,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:03:58,121 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:03:58,126 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:03:58,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:03:31" (1/3) ...
[2021-11-13 18:03:58,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631d07c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:03:58, skipping insertion in model container
[2021-11-13 18:03:58,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:03:31" (2/3) ...
[2021-11-13 18:03:58,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631d07c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:03:58, skipping insertion in model container
[2021-11-13 18:03:58,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:03:58" (3/3) ...
[2021-11-13 18:03:58,130 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0970a.c
[2021-11-13 18:03:58,140 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:03:58,141 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 18:03:58,233 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:03:58,243 INFO L339 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR
[2021-11-13 18:03:58,244 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 18:03:58,265 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 50 states have internal predecessors, (82), 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)
[2021-11-13 18:03:58,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-11-13 18:03:58,274 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:03:58,275 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:03:58,276 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:03:58,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:03:58,284 INFO L85 PathProgramCache]: Analyzing trace with hash 629078660, now seen corresponding path program 1 times
[2021-11-13 18:03:58,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:03:58,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [329541455]
[2021-11-13 18:03:58,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:03:58,303 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:03:58,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:03:58,308 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:03:58,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2021-11-13 18:03:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:03:59,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core
[2021-11-13 18:03:59,444 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:03:59,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:03:59,579 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:03:59,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:03:59,658 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:03:59,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [329541455]
[2021-11-13 18:03:59,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [329541455] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:03:59,660 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:03:59,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2021-11-13 18:03:59,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179675451]
[2021-11-13 18:03:59,664 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:03:59,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 18:03:59,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:03:59,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 18:03:59,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:03:59,712 INFO L87 Difference]: Start difference. First operand has 51 states, 49 states have (on average 1.6734693877551021) internal successors, (82), 50 states have internal predecessors, (82), 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 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2021-11-13 18:03:59,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:03:59,741 INFO L93 Difference]: Finished difference Result 99 states and 160 transitions.
[2021-11-13 18:03:59,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 18:03:59,744 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11
[2021-11-13 18:03:59,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:03:59,757 INFO L225 Difference]: With dead ends: 99
[2021-11-13 18:03:59,758 INFO L226 Difference]: Without dead ends: 47
[2021-11-13 18:03:59,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 18:03:59,767 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.51ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:03:59,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 1.51ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 18:03:59,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2021-11-13 18:03:59,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2021-11-13 18:03:59,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 46 states have internal predecessors, (62), 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)
[2021-11-13 18:03:59,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions.
[2021-11-13 18:03:59,818 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 11
[2021-11-13 18:03:59,818 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:03:59,819 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions.
[2021-11-13 18:03:59,819 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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)
[2021-11-13 18:03:59,819 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions.
[2021-11-13 18:03:59,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-11-13 18:03:59,820 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:03:59,821 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:03:59,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0
[2021-11-13 18:04:00,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:04:00,044 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:04:00,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:04:00,045 INFO L85 PathProgramCache]: Analyzing trace with hash -1648732847, now seen corresponding path program 1 times
[2021-11-13 18:04:00,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:04:00,046 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1989090207]
[2021-11-13 18:04:00,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:04:00,047 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:04:00,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:04:00,048 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:04:00,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2021-11-13 18:04:00,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:04:00,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-11-13 18:04:00,909 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:04:01,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:04:01,070 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:04:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:04:01,170 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:04:01,170 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1989090207]
[2021-11-13 18:04:01,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1989090207] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:04:01,170 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:04:01,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3
[2021-11-13 18:04:01,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918454629]
[2021-11-13 18:04:01,171 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:04:01,173 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-11-13 18:04:01,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:04:01,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-11-13 18:04:01,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:04:01,176 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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)
[2021-11-13 18:04:01,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:04:01,249 INFO L93 Difference]: Finished difference Result 87 states and 116 transitions.
[2021-11-13 18:04:01,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-11-13 18:04:01,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12
[2021-11-13 18:04:01,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:04:01,257 INFO L225 Difference]: With dead ends: 87
[2021-11-13 18:04:01,258 INFO L226 Difference]: Without dead ends: 47
[2021-11-13 18:04:01,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-11-13 18:04:01,262 INFO L933 BasicCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.14ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.97ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:04:01,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 4 Unknown, 0 Unchecked, 2.14ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 53.97ms Time]
[2021-11-13 18:04:01,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2021-11-13 18:04:01,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2021-11-13 18:04:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.326086956521739) internal successors, (61), 46 states have internal predecessors, (61), 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)
[2021-11-13 18:04:01,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 61 transitions.
[2021-11-13 18:04:01,277 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 61 transitions. Word has length 12
[2021-11-13 18:04:01,278 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:04:01,278 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 61 transitions.
[2021-11-13 18:04:01,278 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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)
[2021-11-13 18:04:01,279 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions.
[2021-11-13 18:04:01,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2021-11-13 18:04:01,280 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:04:01,281 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:04:01,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2021-11-13 18:04:01,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:04:01,491 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:04:01,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:04:01,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1229314972, now seen corresponding path program 1 times
[2021-11-13 18:04:01,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:04:01,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996508888]
[2021-11-13 18:04:01,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:04:01,494 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:04:01,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:04:01,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:04:01,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2021-11-13 18:04:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:04:02,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-11-13 18:04:02,368 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:04:03,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:04:03,289 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:04:04,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:04:04,363 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:04:04,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996508888]
[2021-11-13 18:04:04,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1996508888] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:04:04,364 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:04:04,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10
[2021-11-13 18:04:04,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356654954]
[2021-11-13 18:04:04,364 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:04:04,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-11-13 18:04:04,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:04:04,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-11-13 18:04:04,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:04:04,367 INFO L87 Difference]: Start difference. First operand 47 states and 61 transitions. Second operand has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 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)
[2021-11-13 18:04:06,190 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 18:04:07,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:04:07,035 INFO L93 Difference]: Finished difference Result 58 states and 70 transitions.
[2021-11-13 18:04:07,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-13 18:04:07,044 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 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 16
[2021-11-13 18:04:07,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:04:07,045 INFO L225 Difference]: With dead ends: 58
[2021-11-13 18:04:07,045 INFO L226 Difference]: Without dead ends: 53
[2021-11-13 18:04:07,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:04:07,048 INFO L933 BasicCegarLoop]: 58 mSDtfsCounter, 43 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2579.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.31ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 23 IncrementalHoareTripleChecker+Unchecked, 2645.85ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:04:07,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [43 Valid, 326 Invalid, 34 Unknown, 0 Unchecked, 4.31ms Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 23 Unchecked, 2645.85ms Time]
[2021-11-13 18:04:07,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2021-11-13 18:04:07,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 47.
[2021-11-13 18:04:07,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 46 states have internal predecessors, (60), 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)
[2021-11-13 18:04:07,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 60 transitions.
[2021-11-13 18:04:07,059 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 60 transitions. Word has length 16
[2021-11-13 18:04:07,059 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:04:07,059 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 60 transitions.
[2021-11-13 18:04:07,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.7) internal successors, (27), 10 states have internal predecessors, (27), 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)
[2021-11-13 18:04:07,060 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions.
[2021-11-13 18:04:07,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-11-13 18:04:07,061 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:04:07,061 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:04:07,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2021-11-13 18:04:07,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:04:07,275 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:04:07,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:04:07,276 INFO L85 PathProgramCache]: Analyzing trace with hash -616191433, now seen corresponding path program 1 times
[2021-11-13 18:04:07,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:04:07,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2020380166]
[2021-11-13 18:04:07,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:04:07,277 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:04:07,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:04:07,279 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:04:07,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2021-11-13 18:04:08,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:04:08,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-11-13 18:04:08,243 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:04:09,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:04:09,070 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:04:40,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:04:40,964 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:04:40,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2020380166]
[2021-11-13 18:04:40,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2020380166] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:04:40,964 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:04:40,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9
[2021-11-13 18:04:40,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239866979]
[2021-11-13 18:04:40,965 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:04:40,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-11-13 18:04:40,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:04:40,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-11-13 18:04:40,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:04:40,967 INFO L87 Difference]: Start difference. First operand 47 states and 60 transitions. Second operand has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 states have internal predecessors, (33), 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)
[2021-11-13 18:04:44,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 18:04:46,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 18:04:48,820 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 18:04:52,582 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 18:04:54,794 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 18:04:57,524 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 18:04:59,704 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 18:05:01,357 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 18:05:03,483 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 18:05:05,579 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 18:05:07,714 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 18:05:07,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:05:07,714 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions.
[2021-11-13 18:05:07,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:05:07,757 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 states have internal predecessors, (33), 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 17
[2021-11-13 18:05:07,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:05:07,758 INFO L225 Difference]: With dead ends: 54
[2021-11-13 18:05:07,758 INFO L226 Difference]: Without dead ends: 49
[2021-11-13 18:05:07,759 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132
[2021-11-13 18:05:07,760 INFO L933 BasicCegarLoop]: 44 mSDtfsCounter, 33 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25000.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.17ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 25590.31ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:05:07,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 268 Invalid, 89 Unknown, 0 Unchecked, 3.17ms Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 8 Unknown, 9 Unchecked, 25590.31ms Time]
[2021-11-13 18:05:07,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2021-11-13 18:05:07,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47.
[2021-11-13 18:05:07,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 46 states have internal predecessors, (59), 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)
[2021-11-13 18:05:07,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 59 transitions.
[2021-11-13 18:05:07,771 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 59 transitions. Word has length 17
[2021-11-13 18:05:07,771 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:05:07,771 INFO L470 AbstractCegarLoop]: Abstraction has 47 states and 59 transitions.
[2021-11-13 18:05:07,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 9 states have internal predecessors, (33), 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)
[2021-11-13 18:05:07,772 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions.
[2021-11-13 18:05:07,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2021-11-13 18:05:07,773 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:05:07,773 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 18:05:07,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2021-11-13 18:05:07,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:05:07,993 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 18:05:07,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:05:07,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1987697535, now seen corresponding path program 1 times
[2021-11-13 18:05:07,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 18:05:07,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632002629]
[2021-11-13 18:05:07,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:05:07,995 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 18:05:07,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 18:05:07,997 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 18:05:08,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2021-11-13 18:05:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 18:05:08,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-11-13 18:05:08,629 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 18:05:09,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:05:09,416 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 18:05:10,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-13 18:05:10,569 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 18:05:10,569 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632002629]
[2021-11-13 18:05:10,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1632002629] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 18:05:10,570 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 18:05:10,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10
[2021-11-13 18:05:10,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161062739]
[2021-11-13 18:05:10,570 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 18:05:10,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-11-13 18:05:10,571 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 18:05:10,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-11-13 18:05:10,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:05:10,572 INFO L87 Difference]: Start difference. First operand 47 states and 59 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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)
[2021-11-13 18:05:10,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 18:05:10,576 INFO L93 Difference]: Finished difference Result 47 states and 59 transitions.
[2021-11-13 18:05:10,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 18:05:10,577 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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 18
[2021-11-13 18:05:10,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 18:05:10,577 INFO L225 Difference]: With dead ends: 47
[2021-11-13 18:05:10,577 INFO L226 Difference]: Without dead ends: 0
[2021-11-13 18:05:10,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2021-11-13 18:05:10,588 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 4 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.35ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.03ms IncrementalHoareTripleChecker+Time
[2021-11-13 18:05:10,589 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 42 Invalid, 6 Unknown, 0 Unchecked, 0.35ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 6 Unchecked, 0.03ms Time]
[2021-11-13 18:05:10,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-11-13 18:05:10,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-11-13 18:05:10,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 18:05:10,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-11-13 18:05:10,593 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18
[2021-11-13 18:05:10,594 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 18:05:10,594 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 18:05:10,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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)
[2021-11-13 18:05:10,597 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-11-13 18:05:10,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-11-13 18:05:10,600 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 18:05:10,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2021-11-13 18:05:10,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 18:05:10,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-11-13 18:05:11,371 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 96) no Hoare annotation was computed.
[2021-11-13 18:05:11,371 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 65) no Hoare annotation was computed.
[2021-11-13 18:05:11,371 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 119) no Hoare annotation was computed.
[2021-11-13 18:05:11,371 INFO L858 garLoopResultBuilder]: For program point L85(lines 85 97) no Hoare annotation was computed.
[2021-11-13 18:05:11,372 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed.
[2021-11-13 18:05:11,372 INFO L854 garLoopResultBuilder]: At program point L143(lines 107 144) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero~0) (exists ((|ULTIMATE.start___ieee754_log10f_~x#1| (_ FloatingPoint 8 24))) (= |ULTIMATE.start___ieee754_log10f_#res#1| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven |ULTIMATE.start___ieee754_log10f_~x#1| |ULTIMATE.start___ieee754_log10f_~x#1|) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))))) (= currentRoundingMode roundNearestTiesToEven))
[2021-11-13 18:05:11,372 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 127 131) no Hoare annotation was computed.
[2021-11-13 18:05:11,372 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-11-13 18:05:11,372 INFO L854 garLoopResultBuilder]: At program point L127-2(lines 127 131) the Hoare annotation is: false
[2021-11-13 18:05:11,372 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-11-13 18:05:11,373 INFO L858 garLoopResultBuilder]: For program point L152-1(lines 152 156) no Hoare annotation was computed.
[2021-11-13 18:05:11,373 INFO L854 garLoopResultBuilder]: At program point L152-2(lines 152 156) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero~0) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (fp.lt |ULTIMATE.start_main_~x~0#1| ((_ to_fp 8 24) currentRoundingMode (_ bv0 32)))))
[2021-11-13 18:05:11,373 INFO L858 garLoopResultBuilder]: For program point L152-3(lines 152 156) no Hoare annotation was computed.
[2021-11-13 18:05:11,373 INFO L858 garLoopResultBuilder]: For program point L111-1(lines 111 115) no Hoare annotation was computed.
[2021-11-13 18:05:11,373 INFO L854 garLoopResultBuilder]: At program point L111-2(lines 111 115) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero~0) (exists ((currentRoundingMode RoundingMode)) (fp.lt |ULTIMATE.start___ieee754_log10f_~x#1| ((_ to_fp 8 24) currentRoundingMode (_ bv0 32)))) (= currentRoundingMode roundNearestTiesToEven))
[2021-11-13 18:05:11,373 INFO L858 garLoopResultBuilder]: For program point L111-3(lines 111 115) no Hoare annotation was computed.
[2021-11-13 18:05:11,374 INFO L858 garLoopResultBuilder]: For program point L37(lines 37 38) no Hoare annotation was computed.
[2021-11-13 18:05:11,374 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 121) no Hoare annotation was computed.
[2021-11-13 18:05:11,374 INFO L858 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed.
[2021-11-13 18:05:11,374 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed.
[2021-11-13 18:05:11,374 INFO L858 garLoopResultBuilder]: For program point L170-2(lines 170 179) no Hoare annotation was computed.
[2021-11-13 18:05:11,374 INFO L858 garLoopResultBuilder]: For program point L137-1(lines 137 141) no Hoare annotation was computed.
[2021-11-13 18:05:11,374 INFO L854 garLoopResultBuilder]: At program point L137-2(lines 137 141) the Hoare annotation is: false
[2021-11-13 18:05:11,375 INFO L858 garLoopResultBuilder]: For program point L137-3(lines 137 141) no Hoare annotation was computed.
[2021-11-13 18:05:11,375 INFO L858 garLoopResultBuilder]: For program point L170-4(lines 170 179) no Hoare annotation was computed.
[2021-11-13 18:05:11,375 INFO L854 garLoopResultBuilder]: At program point L96(lines 22 98) the Hoare annotation is: false
[2021-11-13 18:05:11,375 INFO L858 garLoopResultBuilder]: For program point L39(lines 39 47) no Hoare annotation was computed.
[2021-11-13 18:05:11,375 INFO L858 garLoopResultBuilder]: For program point L39-1(lines 39 47) no Hoare annotation was computed.
[2021-11-13 18:05:11,375 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 123) no Hoare annotation was computed.
[2021-11-13 18:05:11,376 INFO L854 garLoopResultBuilder]: At program point L147(line 147) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|)
[2021-11-13 18:05:11,376 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-11-13 18:05:11,376 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 176) no Hoare annotation was computed.
[2021-11-13 18:05:11,376 INFO L861 garLoopResultBuilder]: At program point L181(lines 161 182) the Hoare annotation is: true
[2021-11-13 18:05:11,376 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 34) no Hoare annotation was computed.
[2021-11-13 18:05:11,376 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-11-13 18:05:11,376 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 132) no Hoare annotation was computed.
[2021-11-13 18:05:11,377 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 132) no Hoare annotation was computed.
[2021-11-13 18:05:11,377 INFO L858 garLoopResultBuilder]: For program point L58(lines 58 74) no Hoare annotation was computed.
[2021-11-13 18:05:11,377 INFO L858 garLoopResultBuilder]: For program point L42-1(lines 42 46) no Hoare annotation was computed.
[2021-11-13 18:05:11,377 INFO L854 garLoopResultBuilder]: At program point L42-2(lines 42 46) the Hoare annotation is: false
[2021-11-13 18:05:11,377 INFO L854 garLoopResultBuilder]: At program point L158(lines 150 159) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero~0) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (fp.lt |ULTIMATE.start_main_~x~0#1| ((_ to_fp 8 24) currentRoundingMode (_ bv0 32)))))
[2021-11-13 18:05:11,377 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 66) no Hoare annotation was computed.
[2021-11-13 18:05:11,379 INFO L858 garLoopResultBuilder]: For program point L26-1(lines 26 30) no Hoare annotation was computed.
[2021-11-13 18:05:11,379 INFO L854 garLoopResultBuilder]: At program point L26-2(lines 26 30) the Hoare annotation is: false
[2021-11-13 18:05:11,379 INFO L858 garLoopResultBuilder]: For program point L26-3(lines 26 30) no Hoare annotation was computed.
[2021-11-13 18:05:11,380 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 51 55) no Hoare annotation was computed.
[2021-11-13 18:05:11,380 INFO L854 garLoopResultBuilder]: At program point L51-2(lines 51 55) the Hoare annotation is: false
[2021-11-13 18:05:11,380 INFO L858 garLoopResultBuilder]: For program point L51-3(lines 51 55) no Hoare annotation was computed.
[2021-11-13 18:05:11,380 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 178) no Hoare annotation was computed.
[2021-11-13 18:05:11,380 INFO L858 garLoopResultBuilder]: For program point L68(lines 68 73) no Hoare annotation was computed.
[2021-11-13 18:05:11,381 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 36) no Hoare annotation was computed.
[2021-11-13 18:05:11,385 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2021-11-13 18:05:11,386 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:05:11,397 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,398 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 18:05:11,403 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,404 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 18:05:11,408 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 18:05:11,409 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,409 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 18:05:11,409 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,411 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,412 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,412 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x#1,QUANTIFIED]
[2021-11-13 18:05:11,413 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x#1,QUANTIFIED]
[2021-11-13 18:05:11,413 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,414 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,416 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,418 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,419 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x#1,QUANTIFIED]
[2021-11-13 18:05:11,419 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x#1,QUANTIFIED]
[2021-11-13 18:05:11,419 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,420 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,423 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,423 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 18:05:11,424 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,424 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 18:05:11,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:05:11 BoogieIcfgContainer
[2021-11-13 18:05:11,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 18:05:11,429 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:05:11,429 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:05:11,429 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:05:11,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:03:58" (3/4) ...
[2021-11-13 18:05:11,434 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-11-13 18:05:11,456 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges
[2021-11-13 18:05:11,458 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2021-11-13 18:05:11,459 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-11-13 18:05:11,459 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-13 18:05:11,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))
[2021-11-13 18:05:11,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))
[2021-11-13 18:05:11,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven
[2021-11-13 18:05:11,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero && (\exists ULTIMATE.start___ieee754_log10f_~x#1 : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_log10f_~x#1, ULTIMATE.start___ieee754_log10f_~x#1), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven
[2021-11-13 18:05:11,497 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 1bv32 == \result
[2021-11-13 18:05:11,542 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 18:05:11,543 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:05:11,544 INFO L158 Benchmark]: Toolchain (without parser) took 100280.25ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 36.1MB in the beginning and 33.8MB in the end (delta: 2.3MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB.
[2021-11-13 18:05:11,544 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 58.7MB. Free memory is still 38.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:05:11,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.16ms. Allocated memory is still 58.7MB. Free memory was 35.8MB in the beginning and 39.0MB in the end (delta: -3.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2021-11-13 18:05:11,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.97ms. Allocated memory is still 58.7MB. Free memory was 38.8MB in the beginning and 36.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:05:11,546 INFO L158 Benchmark]: Boogie Preprocessor took 99.87ms. Allocated memory is still 58.7MB. Free memory was 36.4MB in the beginning and 34.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:05:11,547 INFO L158 Benchmark]: RCFGBuilder took 26173.54ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 34.2MB in the beginning and 47.5MB in the end (delta: -13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2021-11-13 18:05:11,547 INFO L158 Benchmark]: TraceAbstraction took 73308.04ms. Allocated memory is still 75.5MB. Free memory was 47.2MB in the beginning and 39.5MB in the end (delta: 7.6MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB.
[2021-11-13 18:05:11,548 INFO L158 Benchmark]: Witness Printer took 114.40ms. Allocated memory is still 75.5MB. Free memory was 39.5MB in the beginning and 33.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2021-11-13 18:05:11,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.45ms. Allocated memory is still 58.7MB. Free memory is still 38.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 499.16ms. Allocated memory is still 58.7MB. Free memory was 35.8MB in the beginning and 39.0MB in the end (delta: -3.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 71.97ms. Allocated memory is still 58.7MB. Free memory was 38.8MB in the beginning and 36.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 99.87ms. Allocated memory is still 58.7MB. Free memory was 36.4MB in the beginning and 34.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 26173.54ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 34.2MB in the beginning and 47.5MB in the end (delta: -13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 73308.04ms. Allocated memory is still 75.5MB. Free memory was 47.2MB in the beginning and 39.5MB in the end (delta: 7.6MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB.
* Witness Printer took 114.40ms. Allocated memory is still 75.5MB. Free memory was 39.5MB in the beginning and 33.8MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x#1,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x#1,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x#1,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x#1,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 176]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 73.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 29.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 8 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 28290.17ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 822 SdHoareTripleChecker+Invalid, 27631.38ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 38 IncrementalHoareTripleChecker+Unchecked, 583 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 239 mSDtfsCounter, 83 mSolverCounterSat, 11.48ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 6.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 18 NumberOfFragments, 76 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 37.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 138 ConstructedInterpolants, 48 QuantifiedInterpolants, 871 SizeOfPredicates, 25 NumberOfNonLiveVariables, 350 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 152]: Loop Invariant
[2021-11-13 18:05:11,565 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,565 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 18:05:11,566 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,566 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
Derived loop invariant: (~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))
- InvariantResult [Line: 51]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 22]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 161]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 127]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 26]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 111]: Loop Invariant
[2021-11-13 18:05:11,568 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 18:05:11,568 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,569 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 18:05:11,569 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
Derived loop invariant: (~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven
- InvariantResult [Line: 42]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 107]: Loop Invariant
[2021-11-13 18:05:11,570 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,570 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,570 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x#1,QUANTIFIED]
[2021-11-13 18:05:11,571 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x#1,QUANTIFIED]
[2021-11-13 18:05:11,571 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,571 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,572 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,572 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,572 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x#1,QUANTIFIED]
[2021-11-13 18:05:11,572 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_log10f_~x#1,QUANTIFIED]
[2021-11-13 18:05:11,573 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,573 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
Derived loop invariant: (~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero && (\exists ULTIMATE.start___ieee754_log10f_~x#1 : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_log10f_~x#1, ULTIMATE.start___ieee754_log10f_~x#1), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven
- InvariantResult [Line: 150]: Loop Invariant
[2021-11-13 18:05:11,574 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,574 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 18:05:11,574 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2021-11-13 18:05:11,575 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
Derived loop invariant: (~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))
- InvariantResult [Line: 137]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 147]: Loop Invariant
Derived loop invariant: 1bv32 == \result
RESULT: Ultimate proved your program to be correct!
[2021-11-13 18:05:11,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3459678a-3976-4509-9797-7d6d8eb17f96/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE