./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0930.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_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/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_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0930.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/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_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/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 8d734d3869a39929ea479cab14eb5865c36aeb805da0fe481c4349ce6c2b3759
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 17:44:56,667 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 17:44:56,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 17:44:56,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 17:44:56,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 17:44:56,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 17:44:56,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 17:44:56,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 17:44:56,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 17:44:56,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 17:44:56,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 17:44:56,764 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 17:44:56,765 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 17:44:56,767 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 17:44:56,769 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 17:44:56,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 17:44:56,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 17:44:56,775 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 17:44:56,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 17:44:56,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 17:44:56,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 17:44:56,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 17:44:56,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 17:44:56,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 17:44:56,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 17:44:56,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 17:44:56,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 17:44:56,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 17:44:56,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 17:44:56,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 17:44:56,804 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 17:44:56,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 17:44:56,808 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 17:44:56,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 17:44:56,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 17:44:56,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 17:44:56,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 17:44:56,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 17:44:56,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 17:44:56,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 17:44:56,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 17:44:56,817 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-13 17:44:56,855 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 17:44:56,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 17:44:56,856 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 17:44:56,856 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 17:44:56,857 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 17:44:56,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 17:44:56,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 17:44:56,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 17:44:56,859 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 17:44:56,863 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 17:44:56,865 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 17:44:56,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 17:44:56,865 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 17:44:56,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 17:44:56,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 17:44:56,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 17:44:56,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 17:44:56,866 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 17:44:56,867 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 17:44:56,867 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 17:44:56,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 17:44:56,868 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 17:44:56,868 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 17:44:56,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 17:44:56,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:44:56,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 17:44:56,869 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 17:44:56,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 17:44:56,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 17:44:56,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 17:44:56,870 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 17:44:56,871 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 17:44:56,871 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 17:44:56,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 17:44:56,872 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_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d734d3869a39929ea479cab14eb5865c36aeb805da0fe481c4349ce6c2b3759
[2021-11-13 17:44:57,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 17:44:57,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 17:44:57,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 17:44:57,313 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 17:44:57,314 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 17:44:57,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/float-newlib/double_req_bl_0930.c
[2021-11-13 17:44:57,417 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/data/c27564b2c/4c3c697014214eee8b0f2bc62329f7ab/FLAGe100a86e3
[2021-11-13 17:44:58,087 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 17:44:58,087 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/sv-benchmarks/c/float-newlib/double_req_bl_0930.c
[2021-11-13 17:44:58,106 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/data/c27564b2c/4c3c697014214eee8b0f2bc62329f7ab/FLAGe100a86e3
[2021-11-13 17:44:58,395 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/data/c27564b2c/4c3c697014214eee8b0f2bc62329f7ab
[2021-11-13 17:44:58,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 17:44:58,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 17:44:58,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 17:44:58,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 17:44:58,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 17:44:58,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:44:58" (1/1) ...
[2021-11-13 17:44:58,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@676a6690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:44:58, skipping insertion in model container
[2021-11-13 17:44:58,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:44:58" (1/1) ...
[2021-11-13 17:44:58,425 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 17:44:58,451 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 17:44:58,736 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_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/sv-benchmarks/c/float-newlib/double_req_bl_0930.c[3808,3821]
[2021-11-13 17:44:58,740 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:44:58,752 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 17:44:58,802 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_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/sv-benchmarks/c/float-newlib/double_req_bl_0930.c[3808,3821]
[2021-11-13 17:44:58,803 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:44:58,820 INFO L208 MainTranslator]: Completed translation
[2021-11-13 17:44:58,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:44:58 WrapperNode
[2021-11-13 17:44:58,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 17:44:58,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 17:44:58,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 17:44:58,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 17:44:58,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:44:58" (1/1) ...
[2021-11-13 17:44:58,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:44:58" (1/1) ...
[2021-11-13 17:44:58,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 17:44:58,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 17:44:58,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 17:44:58,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 17:44:58,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:44:58" (1/1) ...
[2021-11-13 17:44:58,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:44:58" (1/1) ...
[2021-11-13 17:44:58,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:44:58" (1/1) ...
[2021-11-13 17:44:58,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:44:58" (1/1) ...
[2021-11-13 17:44:58,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:44:58" (1/1) ...
[2021-11-13 17:44:58,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:44:58" (1/1) ...
[2021-11-13 17:44:58,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:44:58" (1/1) ...
[2021-11-13 17:44:58,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 17:44:58,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 17:44:58,946 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 17:44:58,946 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 17:44:58,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:44:58" (1/1) ...
[2021-11-13 17:44:58,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:44:58,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:44:59,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 17:44:59,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 17:44:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 17:44:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 17:44:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2021-11-13 17:44:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 17:44:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2021-11-13 17:44:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 17:44:59,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 17:44:59,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 17:44:59,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 17:44:59,651 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 17:44:59,651 INFO L299 CfgBuilder]: Removed 8 assume(true) statements.
[2021-11-13 17:44:59,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:44:59 BoogieIcfgContainer
[2021-11-13 17:44:59,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 17:44:59,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 17:44:59,662 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 17:44:59,666 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 17:44:59,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:44:58" (1/3) ...
[2021-11-13 17:44:59,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f57165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:44:59, skipping insertion in model container
[2021-11-13 17:44:59,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:44:58" (2/3) ...
[2021-11-13 17:44:59,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42f57165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:44:59, skipping insertion in model container
[2021-11-13 17:44:59,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:44:59" (3/3) ...
[2021-11-13 17:44:59,675 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0930.c
[2021-11-13 17:44:59,681 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 17:44:59,682 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 17:44:59,766 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 17:44:59,781 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 17:44:59,781 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 17:44:59,812 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.7096774193548387) internal successors, (53), 32 states have internal predecessors, (53), 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 17:44:59,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-11-13 17:44:59,825 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:44:59,826 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:44:59,826 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:44:59,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:44:59,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1030213693, now seen corresponding path program 1 times
[2021-11-13 17:44:59,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:44:59,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458853493]
[2021-11-13 17:44:59,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:44:59,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:45:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:45:00,120 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 17:45:00,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:45:00,122 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458853493]
[2021-11-13 17:45:00,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458853493] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:45:00,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:45:00,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 17:45:00,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426825850]
[2021-11-13 17:45:00,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:45:00,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 17:45:00,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:45:00,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 17:45:00,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 17:45:00,185 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.7096774193548387) internal successors, (53), 32 states have internal predecessors, (53), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 17:45:00,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:45:00,224 INFO L93 Difference]: Finished difference Result 64 states and 104 transitions.
[2021-11-13 17:45:00,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 17:45:00,228 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10
[2021-11-13 17:45:00,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:45:00,241 INFO L225 Difference]: With dead ends: 64
[2021-11-13 17:45:00,242 INFO L226 Difference]: Without dead ends: 30
[2021-11-13 17:45:00,247 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 17:45:00,253 INFO L933 BasicCegarLoop]: 44 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, 44 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.75ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:45:00,254 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 3.75ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 17:45:00,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2021-11-13 17:45:00,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30.
[2021-11-13 17:45:00,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 29 states have internal predecessors, (41), 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 17:45:00,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions.
[2021-11-13 17:45:00,305 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 41 transitions. Word has length 10
[2021-11-13 17:45:00,306 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:45:00,306 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 41 transitions.
[2021-11-13 17:45:00,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 17:45:00,307 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions.
[2021-11-13 17:45:00,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-11-13 17:45:00,308 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:45:00,308 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:45:00,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 17:45:00,309 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:45:00,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:45:00,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1305093504, now seen corresponding path program 1 times
[2021-11-13 17:45:00,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:45:00,311 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428659715]
[2021-11-13 17:45:00,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:45:00,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:45:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 17:45:00,370 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 17:45:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 17:45:00,463 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 17:45:00,464 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2021-11-13 17:45:00,467 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 17:45:00,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 17:45:00,475 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1]
[2021-11-13 17:45:00,479 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 17:45:00,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:45:00 BoogieIcfgContainer
[2021-11-13 17:45:00,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 17:45:00,531 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 17:45:00,532 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 17:45:00,532 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 17:45:00,533 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:44:59" (3/4) ...
[2021-11-13 17:45:00,537 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2021-11-13 17:45:00,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 17:45:00,539 INFO L158 Benchmark]: Toolchain (without parser) took 2134.12ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 57.0MB in the beginning and 81.7MB in the end (delta: -24.7MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB.
[2021-11-13 17:45:00,540 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:45:00,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.63ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 64.8MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 17:45:00,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.46ms. Allocated memory is still 92.3MB. Free memory was 64.8MB in the beginning and 62.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:45:00,543 INFO L158 Benchmark]: Boogie Preprocessor took 40.08ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 61.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:45:00,544 INFO L158 Benchmark]: RCFGBuilder took 707.70ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 47.7MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2021-11-13 17:45:00,545 INFO L158 Benchmark]: TraceAbstraction took 869.05ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 47.3MB in the beginning and 82.3MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:45:00,545 INFO L158 Benchmark]: Witness Printer took 6.43ms. Allocated memory is still 121.6MB. Free memory was 82.3MB in the beginning and 81.7MB in the end (delta: 635.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:45:00,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.39ms. Allocated memory is still 92.3MB. Free memory was 61.5MB in the beginning and 61.4MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 413.63ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 64.8MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 82.46ms. Allocated memory is still 92.3MB. Free memory was 64.8MB in the beginning and 62.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 40.08ms. Allocated memory is still 92.3MB. Free memory was 62.8MB in the beginning and 61.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 707.70ms. Allocated memory is still 92.3MB. Free memory was 61.2MB in the beginning and 47.7MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 869.05ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 47.3MB in the beginning and 82.3MB in the end (delta: -35.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 6.43ms. Allocated memory is still 121.6MB. Free memory was 82.3MB in the beginning and 81.7MB in the end (delta: 635.4kB). 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: 152]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 151, overapproximation of bitwiseOr at line 61, overapproximation of someBinaryArithmeticDOUBLEoperation at line 62.
Possible FailurePath:
[L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01,
ln2_lo_log = 1.90821492927058770002e-10,
two54_log = 1.80143985094819840000e+16,
Lg1_log = 6.666666666666735130e-01,
Lg2_log = 3.999999999940941908e-01,
Lg3_log = 2.857142874366239149e-01,
Lg4_log = 2.222219843214978396e-01,
Lg5_log = 1.818357216161805012e-01,
Lg6_log = 1.531383769920937332e-01,
Lg7_log = 1.479819860511658591e-01;
[L45] static const double zero = 0.0;
VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0]
[L146] double x = 1.0;
[L148] CALL, EXPR __ieee754_log(x)
[L48] double hfsq, f, s, z, R, w, t1, t2, dk;
[L49] __int32_t k, hx, i, j;
[L50] __uint32_t lx;
VAL [\old(x)=1, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=1, zero=0]
[L53] ieee_double_shape_type ew_u;
[L54] ew_u.value = (x)
[L55] EXPR ew_u.parts.msw
[L55] (hx) = ew_u.parts.msw
[L56] EXPR ew_u.parts.lsw
[L56] (lx) = ew_u.parts.lsw
[L59] k = 0
VAL [\old(x)=1, hx=-1, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2, two54_log=18014398509481984, x=1, zero=0]
[L60] COND TRUE hx < 0x00100000
VAL [\old(x)=1, hx=-1, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2, two54_log=18014398509481984, x=1, zero=0]
[L61] COND TRUE ((hx & 0x7fffffff) | lx) == 0
[L62] return -two54_log / zero;
VAL [\old(x)=1, hx=-1, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2, two54_log=18014398509481984, x=1, zero=0]
[L148] RET, EXPR __ieee754_log(x)
[L148] double res = __ieee754_log(x);
[L151] EXPR res == 0.0 && __signbit_double(res) == 0
VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=18014398509481985, res == 0.0 && __signbit_double(res) == 0=0, two54_log=18014398509481984, x=1, zero=0]
[L151] COND TRUE !(res == 0.0 && __signbit_double(res) == 0)
[L152] reach_error()
VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=18014398509481985, two54_log=18014398509481984, x=1, zero=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.00ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.00ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 44 mSDtfsCounter, 0 mSolverCounterSat, 3.75ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 17:45:00,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/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_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/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_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0930.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/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_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/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 8d734d3869a39929ea479cab14eb5865c36aeb805da0fe481c4349ce6c2b3759
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 17:45:03,196 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 17:45:03,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 17:45:03,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 17:45:03,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 17:45:03,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 17:45:03,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 17:45:03,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 17:45:03,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 17:45:03,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 17:45:03,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 17:45:03,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 17:45:03,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 17:45:03,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 17:45:03,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 17:45:03,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 17:45:03,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 17:45:03,303 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 17:45:03,306 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 17:45:03,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 17:45:03,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 17:45:03,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 17:45:03,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 17:45:03,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 17:45:03,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 17:45:03,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 17:45:03,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 17:45:03,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 17:45:03,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 17:45:03,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 17:45:03,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 17:45:03,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 17:45:03,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 17:45:03,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 17:45:03,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 17:45:03,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 17:45:03,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 17:45:03,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 17:45:03,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 17:45:03,358 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 17:45:03,359 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 17:45:03,360 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2021-11-13 17:45:03,408 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 17:45:03,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 17:45:03,412 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 17:45:03,413 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 17:45:03,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 17:45:03,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 17:45:03,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 17:45:03,416 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 17:45:03,417 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 17:45:03,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 17:45:03,419 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 17:45:03,419 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 17:45:03,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 17:45:03,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 17:45:03,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 17:45:03,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 17:45:03,421 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2021-11-13 17:45:03,421 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2021-11-13 17:45:03,421 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 17:45:03,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 17:45:03,422 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 17:45:03,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 17:45:03,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 17:45:03,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 17:45:03,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 17:45:03,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:45:03,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 17:45:03,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 17:45:03,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 17:45:03,425 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2021-11-13 17:45:03,425 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-11-13 17:45:03,425 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 17:45:03,426 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 17:45:03,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 17:45:03,426 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 17:45:03,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2021-11-13 17:45:03,427 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_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d734d3869a39929ea479cab14eb5865c36aeb805da0fe481c4349ce6c2b3759
[2021-11-13 17:45:03,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 17:45:03,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 17:45:03,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 17:45:03,912 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 17:45:03,913 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 17:45:03,914 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/float-newlib/double_req_bl_0930.c
[2021-11-13 17:45:03,987 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/data/88775ac67/425394630391462e8deb1871ddc3e4ab/FLAG9acbb7d62
[2021-11-13 17:45:04,663 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 17:45:04,663 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/sv-benchmarks/c/float-newlib/double_req_bl_0930.c
[2021-11-13 17:45:04,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/data/88775ac67/425394630391462e8deb1871ddc3e4ab/FLAG9acbb7d62
[2021-11-13 17:45:04,977 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/data/88775ac67/425394630391462e8deb1871ddc3e4ab
[2021-11-13 17:45:04,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 17:45:04,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 17:45:04,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 17:45:04,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 17:45:04,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 17:45:04,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:45:04" (1/1) ...
[2021-11-13 17:45:04,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3496de7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:04, skipping insertion in model container
[2021-11-13 17:45:04,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:45:04" (1/1) ...
[2021-11-13 17:45:05,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 17:45:05,024 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 17:45:05,271 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_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/sv-benchmarks/c/float-newlib/double_req_bl_0930.c[3808,3821]
[2021-11-13 17:45:05,274 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:45:05,293 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 17:45:05,346 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_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/sv-benchmarks/c/float-newlib/double_req_bl_0930.c[3808,3821]
[2021-11-13 17:45:05,347 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:45:05,365 INFO L208 MainTranslator]: Completed translation
[2021-11-13 17:45:05,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:05 WrapperNode
[2021-11-13 17:45:05,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 17:45:05,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 17:45:05,367 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 17:45:05,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 17:45:05,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:05" (1/1) ...
[2021-11-13 17:45:05,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:05" (1/1) ...
[2021-11-13 17:45:05,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 17:45:05,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 17:45:05,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 17:45:05,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 17:45:05,426 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:05" (1/1) ...
[2021-11-13 17:45:05,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:05" (1/1) ...
[2021-11-13 17:45:05,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:05" (1/1) ...
[2021-11-13 17:45:05,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:05" (1/1) ...
[2021-11-13 17:45:05,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:05" (1/1) ...
[2021-11-13 17:45:05,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:05" (1/1) ...
[2021-11-13 17:45:05,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:05" (1/1) ...
[2021-11-13 17:45:05,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 17:45:05,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 17:45:05,482 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 17:45:05,482 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 17:45:05,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:05" (1/1) ...
[2021-11-13 17:45:05,502 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:45:05,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:45:05,537 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 17:45:05,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 17:45:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8
[2021-11-13 17:45:05,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8
[2021-11-13 17:45:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2021-11-13 17:45:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 17:45:05,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-11-13 17:45:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 17:45:05,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 17:45:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-11-13 17:45:05,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 17:45:30,659 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 17:45:30,659 INFO L299 CfgBuilder]: Removed 8 assume(true) statements.
[2021-11-13 17:45:30,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:45:30 BoogieIcfgContainer
[2021-11-13 17:45:30,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 17:45:30,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 17:45:30,664 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 17:45:30,667 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 17:45:30,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:45:04" (1/3) ...
[2021-11-13 17:45:30,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edcde55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:45:30, skipping insertion in model container
[2021-11-13 17:45:30,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:45:05" (2/3) ...
[2021-11-13 17:45:30,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@edcde55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:45:30, skipping insertion in model container
[2021-11-13 17:45:30,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:45:30" (3/3) ...
[2021-11-13 17:45:30,671 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0930.c
[2021-11-13 17:45:30,676 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 17:45:30,676 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 17:45:30,726 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 17:45:30,749 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 17:45:30,749 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 17:45:30,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.7096774193548387) internal successors, (53), 32 states have internal predecessors, (53), 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 17:45:30,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2021-11-13 17:45:30,789 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:45:30,790 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:45:30,790 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:45:30,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:45:30,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1030213693, now seen corresponding path program 1 times
[2021-11-13 17:45:30,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 17:45:30,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [477668091]
[2021-11-13 17:45:30,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:45:30,819 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 17:45:30,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 17:45:30,823 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 17:45:30,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2021-11-13 17:45:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:45:31,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core
[2021-11-13 17:45:31,974 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:45:32,191 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 17:45:32,191 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:45:32,395 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 17:45:32,396 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 17:45:32,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [477668091]
[2021-11-13 17:45:32,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [477668091] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:45:32,398 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:45:32,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2021-11-13 17:45:32,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561313743]
[2021-11-13 17:45:32,400 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 17:45:32,406 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 17:45:32,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 17:45:32,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 17:45:32,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 17:45:32,437 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.7096774193548387) internal successors, (53), 32 states have internal predecessors, (53), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 17:45:32,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:45:32,453 INFO L93 Difference]: Finished difference Result 64 states and 104 transitions.
[2021-11-13 17:45:32,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 17:45:32,455 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10
[2021-11-13 17:45:32,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:45:32,464 INFO L225 Difference]: With dead ends: 64
[2021-11-13 17:45:32,465 INFO L226 Difference]: Without dead ends: 30
[2021-11-13 17:45:32,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 17:45:32,471 INFO L933 BasicCegarLoop]: 44 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, 44 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.76ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:45:32,472 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.76ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 17:45:32,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states.
[2021-11-13 17:45:32,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30.
[2021-11-13 17:45:32,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.4137931034482758) internal successors, (41), 29 states have internal predecessors, (41), 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 17:45:32,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions.
[2021-11-13 17:45:32,502 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 41 transitions. Word has length 10
[2021-11-13 17:45:32,502 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:45:32,503 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 41 transitions.
[2021-11-13 17:45:32,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 17:45:32,503 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions.
[2021-11-13 17:45:32,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-11-13 17:45:32,504 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:45:32,504 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:45:32,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2021-11-13 17:45:32,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 17:45:32,720 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:45:32,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:45:32,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1305093504, now seen corresponding path program 1 times
[2021-11-13 17:45:32,721 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 17:45:32,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [487898348]
[2021-11-13 17:45:32,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:45:32,722 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 17:45:32,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 17:45:32,723 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 17:45:32,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2021-11-13 17:45:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:45:33,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-11-13 17:45:33,686 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:45:34,461 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 17:45:34,461 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:45:35,130 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 17:45:35,130 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 17:45:35,131 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [487898348]
[2021-11-13 17:45:35,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [487898348] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:45:35,131 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:45:35,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6
[2021-11-13 17:45:35,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370007928]
[2021-11-13 17:45:35,132 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 17:45:35,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 17:45:35,134 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 17:45:35,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 17:45:35,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-11-13 17:45:35,135 INFO L87 Difference]: Start difference. First operand 30 states and 41 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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 17:45:35,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:45:35,164 INFO L93 Difference]: Finished difference Result 50 states and 69 transitions.
[2021-11-13 17:45:35,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 17:45:35,165 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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 17:45:35,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:45:35,166 INFO L225 Difference]: With dead ends: 50
[2021-11-13 17:45:35,166 INFO L226 Difference]: Without dead ends: 26
[2021-11-13 17:45:35,167 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-11-13 17:45:35,169 INFO L933 BasicCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.09ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 14 IncrementalHoareTripleChecker+Unchecked, 0.24ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:45:35,170 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 14 Unknown, 0 Unchecked, 2.09ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 14 Unchecked, 0.24ms Time]
[2021-11-13 17:45:35,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2021-11-13 17:45:35,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2021-11-13 17:45:35,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 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 17:45:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions.
[2021-11-13 17:45:35,177 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 11
[2021-11-13 17:45:35,177 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:45:35,177 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions.
[2021-11-13 17:45:35,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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 17:45:35,178 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions.
[2021-11-13 17:45:35,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-11-13 17:45:35,179 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:45:35,179 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:45:35,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2021-11-13 17:45:35,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 17:45:35,404 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:45:35,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:45:35,405 INFO L85 PathProgramCache]: Analyzing trace with hash -594905855, now seen corresponding path program 1 times
[2021-11-13 17:45:35,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 17:45:35,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [197006542]
[2021-11-13 17:45:35,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:45:35,407 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 17:45:35,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 17:45:35,412 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 17:45:35,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2021-11-13 17:45:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:45:35,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-11-13 17:45:35,603 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:45:36,456 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 17:45:36,457 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:45:37,046 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 17:45:37,046 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 17:45:37,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [197006542]
[2021-11-13 17:45:37,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [197006542] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:45:37,047 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:45:37,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6
[2021-11-13 17:45:37,048 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287370940]
[2021-11-13 17:45:37,048 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 17:45:37,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-11-13 17:45:37,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 17:45:37,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-11-13 17:45:37,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-11-13 17:45:37,050 INFO L87 Difference]: Start difference. First operand 26 states and 34 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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 17:45:40,548 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:45:40,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:45:40,551 INFO L93 Difference]: Finished difference Result 35 states and 43 transitions.
[2021-11-13 17:45:41,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2021-11-13 17:45:41,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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 17:45:41,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:45:41,064 INFO L225 Difference]: With dead ends: 35
[2021-11-13 17:45:41,065 INFO L226 Difference]: Without dead ends: 26
[2021-11-13 17:45:41,065 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2021-11-13 17:45:41,067 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3490.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.85ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 3495.22ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:45:41,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 9 Unknown, 0 Unchecked, 0.85ms Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 1 Unknown, 5 Unchecked, 3495.22ms Time]
[2021-11-13 17:45:41,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2021-11-13 17:45:41,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26.
[2021-11-13 17:45:41,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 25 states have (on average 1.32) internal successors, (33), 25 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 17:45:41,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions.
[2021-11-13 17:45:41,073 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 11
[2021-11-13 17:45:41,074 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:45:41,074 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions.
[2021-11-13 17:45:41,074 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 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 17:45:41,074 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions.
[2021-11-13 17:45:41,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-11-13 17:45:41,075 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:45:41,075 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 17:45:41,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2021-11-13 17:45:41,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 17:45:41,276 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:45:41,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:45:41,277 INFO L85 PathProgramCache]: Analyzing trace with hash 464469069, now seen corresponding path program 1 times
[2021-11-13 17:45:41,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 17:45:41,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548595282]
[2021-11-13 17:45:41,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:45:41,278 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 17:45:41,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 17:45:41,280 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 17:45:41,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2021-11-13 17:45:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:45:41,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core
[2021-11-13 17:45:41,492 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:45:42,427 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 17:45:42,428 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:45:43,332 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 17:45:43,332 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 17:45:43,333 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548595282]
[2021-11-13 17:45:43,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548595282] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:45:43,333 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:45:43,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6
[2021-11-13 17:45:43,334 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224902269]
[2021-11-13 17:45:43,334 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 17:45:43,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-13 17:45:43,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 17:45:43,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 17:45:43,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2021-11-13 17:45:43,336 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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 17:45:45,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:45:48,205 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:45:50,923 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:45:53,175 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:45:55,580 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:45:58,035 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:46:00,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:46:00,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:46:00,898 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions.
[2021-11-13 17:46:00,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-13 17:46:00,899 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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 17:46:00,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:46:00,900 INFO L225 Difference]: With dead ends: 47
[2021-11-13 17:46:00,901 INFO L226 Difference]: Without dead ends: 44
[2021-11-13 17:46:00,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2021-11-13 17:46:00,903 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 66 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16359.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.91ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17067.69ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:46:00,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 105 Invalid, 29 Unknown, 0 Unchecked, 2.91ms Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 7 Unknown, 0 Unchecked, 17067.69ms Time]
[2021-11-13 17:46:00,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states.
[2021-11-13 17:46:00,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 28.
[2021-11-13 17:46:00,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 27 states have internal predecessors, (35), 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 17:46:00,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions.
[2021-11-13 17:46:00,912 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 17
[2021-11-13 17:46:00,912 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:46:00,912 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions.
[2021-11-13 17:46:00,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 6 states have internal predecessors, (31), 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 17:46:00,912 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions.
[2021-11-13 17:46:00,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-11-13 17:46:00,913 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:46:00,913 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 17:46:00,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2021-11-13 17:46:01,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 17:46:01,130 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:46:01,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:46:01,131 INFO L85 PathProgramCache]: Analyzing trace with hash 466316111, now seen corresponding path program 1 times
[2021-11-13 17:46:01,132 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 17:46:01,132 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [651375735]
[2021-11-13 17:46:01,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:46:01,132 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 17:46:01,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 17:46:01,134 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 17:46:01,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2021-11-13 17:46:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:46:01,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-11-13 17:46:01,911 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:46:04,520 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 17:46:04,521 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:46:06,499 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 17:46:06,499 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 17:46:06,499 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [651375735]
[2021-11-13 17:46:06,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [651375735] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:46:06,500 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:46:06,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12
[2021-11-13 17:46:06,500 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523859515]
[2021-11-13 17:46:06,500 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 17:46:06,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2021-11-13 17:46:06,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 17:46:06,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-11-13 17:46:06,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132
[2021-11-13 17:46:06,502 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 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 17:46:10,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.48s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:46:12,801 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:46:15,610 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:46:17,618 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:46:20,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:46:22,021 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:46:24,481 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:46:26,486 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:46:28,742 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:46:30,746 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-13 17:46:30,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:46:30,750 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions.
[2021-11-13 17:46:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2021-11-13 17:46:30,809 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 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 17:46:30,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:46:30,810 INFO L225 Difference]: With dead ends: 46
[2021-11-13 17:46:30,811 INFO L226 Difference]: Without dead ends: 37
[2021-11-13 17:46:30,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132
[2021-11-13 17:46:30,812 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 15 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23087.91ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.22ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 17 IncrementalHoareTripleChecker+Unchecked, 24137.16ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:46:30,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 122 Invalid, 42 Unknown, 0 Unchecked, 1.22ms Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 10 Unknown, 17 Unchecked, 24137.16ms Time]
[2021-11-13 17:46:30,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states.
[2021-11-13 17:46:30,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 28.
[2021-11-13 17:46:30,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 27 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 17:46:30,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions.
[2021-11-13 17:46:30,823 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 17
[2021-11-13 17:46:30,823 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:46:30,824 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions.
[2021-11-13 17:46:30,824 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 12 states have internal predecessors, (29), 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 17:46:30,824 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions.
[2021-11-13 17:46:30,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-11-13 17:46:30,825 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:46:30,825 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 17:46:30,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2021-11-13 17:46:31,027 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 17:46:31,028 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:46:31,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:46:31,028 INFO L85 PathProgramCache]: Analyzing trace with hash 671337773, now seen corresponding path program 1 times
[2021-11-13 17:46:31,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 17:46:31,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798640575]
[2021-11-13 17:46:31,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:46:31,029 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 17:46:31,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 17:46:31,031 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 17:46:31,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2021-11-13 17:46:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:46:32,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 16 conjunts are in the unsatisfiable core
[2021-11-13 17:46:32,238 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:46:33,024 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33
[2021-11-13 17:46:36,447 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 17:46:36,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 211 treesize of output 185
[2021-11-13 17:46:36,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 63
[2021-11-13 17:46:38,012 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 17:46:38,012 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:47:00,656 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory")
[2021-11-13 17:47:00,660 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 17:47:00,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798640575]
[2021-11-13 17:47:00,661 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
[2021-11-13 17:47:00,661 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [864747443]
[2021-11-13 17:47:00,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:47:00,662 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt
[2021-11-13 17:47:00,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/cvc4
[2021-11-13 17:47:00,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101
[2021-11-13 17:47:00,672 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null)
[2021-11-13 17:47:00,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process
[2021-11-13 17:47:03,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:47:03,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 21 conjunts are in the unsatisfiable core
[2021-11-13 17:47:03,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@749a1769
[2021-11-13 17:47:03,829 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [33599088]
[2021-11-13 17:47:03,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:47:03,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-11-13 17:47:03,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:47:03,831 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-11-13 17:47:03,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2021-11-13 17:47:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:47:04,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 15 conjunts are in the unsatisfiable core
[2021-11-13 17:47:04,370 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@749a1769
[2021-11-13 17:47:04,370 INFO L186 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:47:04,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0
[2021-11-13 17:47:04,370 ERROR L172 FreeRefinementEngine]: Strategy WOLF failed to provide any proof altough trace is infeasible
[2021-11-13 17:47:04,370 INFO L628 BasicCegarLoop]: Counterexample might be feasible
[2021-11-13 17:47:04,378 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 17:47:04,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0
[2021-11-13 17:47:04,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2021-11-13 17:47:04,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0
[2021-11-13 17:47:04,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_923ca0ef-f5ac-42a9-9be3-14d3fb60e934/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 17:47:04,998 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2021-11-13 17:47:05,000 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 17:47:05,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:47:05 BoogieIcfgContainer
[2021-11-13 17:47:05,017 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 17:47:05,018 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 17:47:05,018 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 17:47:05,018 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 17:47:05,019 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:45:30" (3/4) ...
[2021-11-13 17:47:05,022 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2021-11-13 17:47:05,022 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 17:47:05,023 INFO L158 Benchmark]: Toolchain (without parser) took 120038.93ms. Allocated memory is still 94.4MB. Free memory was 59.8MB in the beginning and 66.9MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:47:05,023 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 94.4MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:47:05,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 379.84ms. Allocated memory is still 94.4MB. Free memory was 59.7MB in the beginning and 75.2MB in the end (delta: -15.5MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB.
[2021-11-13 17:47:05,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.05ms. Allocated memory is still 94.4MB. Free memory was 75.2MB in the beginning and 73.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:47:05,024 INFO L158 Benchmark]: Boogie Preprocessor took 63.92ms. Allocated memory is still 94.4MB. Free memory was 73.0MB in the beginning and 71.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:47:05,025 INFO L158 Benchmark]: RCFGBuilder took 25180.29ms. Allocated memory is still 94.4MB. Free memory was 71.1MB in the beginning and 55.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2021-11-13 17:47:05,025 INFO L158 Benchmark]: TraceAbstraction took 94353.63ms. Allocated memory is still 94.4MB. Free memory was 54.8MB in the beginning and 66.9MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:47:05,025 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 94.4MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:47:05,028 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24ms. Allocated memory is still 94.4MB. Free memory is still 76.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 379.84ms. Allocated memory is still 94.4MB. Free memory was 59.7MB in the beginning and 75.2MB in the end (delta: -15.5MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 49.05ms. Allocated memory is still 94.4MB. Free memory was 75.2MB in the beginning and 73.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 63.92ms. Allocated memory is still 94.4MB. Free memory was 73.0MB in the beginning and 71.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 25180.29ms. Allocated memory is still 94.4MB. Free memory was 71.1MB in the beginning and 55.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 94353.63ms. Allocated memory is still 94.4MB. Free memory was 54.8MB in the beginning and 66.9MB in the end (delta: -12.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 4.39ms. Allocated memory is still 94.4MB. Free memory is still 66.9MB. 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: 152]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: unable to decide satisfiability of path constraint.
Possible FailurePath:
[L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01,
ln2_lo_log = 1.90821492927058770002e-10,
two54_log = 1.80143985094819840000e+16,
Lg1_log = 6.666666666666735130e-01,
Lg2_log = 3.999999999940941908e-01,
Lg3_log = 2.857142874366239149e-01,
Lg4_log = 2.222219843214978396e-01,
Lg5_log = 1.818357216161805012e-01,
Lg6_log = 1.531383769920937332e-01,
Lg7_log = 1.479819860511658591e-01;
[L45] static const double zero = 0.0;
[L146] double x = 1.0;
[L148] CALL, EXPR __ieee754_log(x)
[L48] double hfsq, f, s, z, R, w, t1, t2, dk;
[L49] __int32_t k, hx, i, j;
[L50] __uint32_t lx;
[L53] ieee_double_shape_type ew_u;
[L54] ew_u.value = (x)
[L55] EXPR ew_u.parts.msw
[L55] (hx) = ew_u.parts.msw
[L56] EXPR ew_u.parts.lsw
[L56] (lx) = ew_u.parts.lsw
[L59] k = 0
[L60] COND FALSE !(hx < 0x00100000)
[L73] COND FALSE !(hx >= 0x7ff00000)
[L75] k += (hx >> 20) - 1023
[L76] hx &= 0x000fffff
[L77] i = (hx + 0x95f64) & 0x100000
[L79] ieee_double_shape_type sh_u;
[L80] sh_u.value = (x)
[L81] sh_u.parts.msw = (hx | (i ^ 0x3ff00000))
[L82] EXPR sh_u.value
[L82] (x) = sh_u.value
[L84] k += (i >> 20)
[L85] f = x - 1.0
[L86] COND TRUE (0x000fffff & (2 + hx)) < 3
[L87] COND FALSE !(f == zero)
[L95] R = f * f * (0.5 - 0.33333333333333333 * f)
[L96] COND TRUE k == 0
[L97] return f - R;
[L148] RET, EXPR __ieee754_log(x)
[L148] double res = __ieee754_log(x);
[L151] EXPR res == 0.0 && __signbit_double(res) == 0
[L151] COND TRUE !(res == 0.0 && __signbit_double(res) == 0)
[L152] reach_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 94.3s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 46.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 18 mSolverCounterUnknown, 81 SdHoareTripleChecker+Valid, 44700.31ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 81 mSDsluCounter, 488 SdHoareTripleChecker+Invalid, 42937.62ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 36 IncrementalHoareTripleChecker+Unchecked, 329 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 159 mSDtfsCounter, 37 mSolverCounterSat, 7.83ms SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 126 GetRequests, 99 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 25 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 38.4s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 138 ConstructedInterpolants, 28 QuantifiedInterpolants, 1034 SizeOfPredicates, 35 NumberOfNonLiveVariables, 377 ConjunctsInSsa, 48 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
UNKNOWN