./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0833.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_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/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_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0833.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/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_fc1b443b-e127-44a5-876a-00f4797173af/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 b63eb992c00c845168476a1db77eced17c7e9aa742c6bcee68b2e04a80fb6c93
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 17:35:58,956 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 17:35:58,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 17:35:59,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 17:35:59,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 17:35:59,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 17:35:59,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 17:35:59,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 17:35:59,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 17:35:59,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 17:35:59,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 17:35:59,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 17:35:59,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 17:35:59,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 17:35:59,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 17:35:59,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 17:35:59,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 17:35:59,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 17:35:59,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 17:35:59,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 17:35:59,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 17:35:59,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 17:35:59,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 17:35:59,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 17:35:59,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 17:35:59,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 17:35:59,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 17:35:59,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 17:35:59,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 17:35:59,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 17:35:59,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 17:35:59,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 17:35:59,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 17:35:59,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 17:35:59,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 17:35:59,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 17:35:59,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 17:35:59,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 17:35:59,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 17:35:59,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 17:35:59,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 17:35:59,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-13 17:35:59,172 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 17:35:59,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 17:35:59,173 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 17:35:59,173 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 17:35:59,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 17:35:59,182 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 17:35:59,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 17:35:59,183 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 17:35:59,183 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 17:35:59,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 17:35:59,185 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 17:35:59,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 17:35:59,185 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 17:35:59,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 17:35:59,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 17:35:59,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 17:35:59,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 17:35:59,186 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 17:35:59,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 17:35:59,187 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 17:35:59,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 17:35:59,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 17:35:59,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 17:35:59,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 17:35:59,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:35:59,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 17:35:59,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 17:35:59,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 17:35:59,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 17:35:59,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 17:35:59,191 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 17:35:59,191 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 17:35:59,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 17:35:59,192 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 17:35:59,192 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_fc1b443b-e127-44a5-876a-00f4797173af/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63eb992c00c845168476a1db77eced17c7e9aa742c6bcee68b2e04a80fb6c93
[2021-11-13 17:35:59,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 17:35:59,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 17:35:59,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 17:35:59,567 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 17:35:59,568 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 17:35:59,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/float-newlib/double_req_bl_0833.c
[2021-11-13 17:35:59,633 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/data/259c08b05/f2a4404c039a4f0092f0aa39fd6d34ae/FLAG928473dbc
[2021-11-13 17:36:00,140 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 17:36:00,141 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/sv-benchmarks/c/float-newlib/double_req_bl_0833.c
[2021-11-13 17:36:00,152 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/data/259c08b05/f2a4404c039a4f0092f0aa39fd6d34ae/FLAG928473dbc
[2021-11-13 17:36:00,494 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/data/259c08b05/f2a4404c039a4f0092f0aa39fd6d34ae
[2021-11-13 17:36:00,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 17:36:00,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 17:36:00,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 17:36:00,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 17:36:00,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 17:36:00,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:36:00" (1/1) ...
[2021-11-13 17:36:00,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3413b9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:00, skipping insertion in model container
[2021-11-13 17:36:00,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:36:00" (1/1) ...
[2021-11-13 17:36:00,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 17:36:00,542 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 17:36:00,791 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_fc1b443b-e127-44a5-876a-00f4797173af/sv-benchmarks/c/float-newlib/double_req_bl_0833.c[4075,4088]
[2021-11-13 17:36:00,800 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:36:00,822 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 17:36:00,869 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_fc1b443b-e127-44a5-876a-00f4797173af/sv-benchmarks/c/float-newlib/double_req_bl_0833.c[4075,4088]
[2021-11-13 17:36:00,871 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:36:00,900 INFO L208 MainTranslator]: Completed translation
[2021-11-13 17:36:00,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:00 WrapperNode
[2021-11-13 17:36:00,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 17:36:00,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 17:36:00,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 17:36:00,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 17:36:00,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:00" (1/1) ...
[2021-11-13 17:36:00,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:00" (1/1) ...
[2021-11-13 17:36:00,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 17:36:00,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 17:36:00,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 17:36:00,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 17:36:00,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:00" (1/1) ...
[2021-11-13 17:36:00,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:00" (1/1) ...
[2021-11-13 17:36:00,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:00" (1/1) ...
[2021-11-13 17:36:00,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:00" (1/1) ...
[2021-11-13 17:36:00,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:00" (1/1) ...
[2021-11-13 17:36:00,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:00" (1/1) ...
[2021-11-13 17:36:01,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:00" (1/1) ...
[2021-11-13 17:36:01,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 17:36:01,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 17:36:01,006 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 17:36:01,007 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 17:36:01,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:00" (1/1) ...
[2021-11-13 17:36:01,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:36:01,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:36:01,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 17:36:01,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 17:36:01,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 17:36:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 17:36:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-13 17:36:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2021-11-13 17:36:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2021-11-13 17:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 17:36:01,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 17:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-13 17:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real
[2021-11-13 17:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 17:36:01,628 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 17:36:01,629 INFO L299 CfgBuilder]: Removed 14 assume(true) statements.
[2021-11-13 17:36:01,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:36:01 BoogieIcfgContainer
[2021-11-13 17:36:01,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 17:36:01,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 17:36:01,633 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 17:36:01,637 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 17:36:01,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:36:00" (1/3) ...
[2021-11-13 17:36:01,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e10f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:36:01, skipping insertion in model container
[2021-11-13 17:36:01,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:00" (2/3) ...
[2021-11-13 17:36:01,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e10f94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:36:01, skipping insertion in model container
[2021-11-13 17:36:01,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:36:01" (3/3) ...
[2021-11-13 17:36:01,641 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0833.c
[2021-11-13 17:36:01,647 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 17:36:01,647 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 17:36:01,700 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 17:36:01,708 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 17:36:01,709 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 17:36:01,727 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 43 states have internal predecessors, (71), 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 17:36:01,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-11-13 17:36:01,734 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:36:01,734 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:36:01,735 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:36:01,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:36:01,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1722268475, now seen corresponding path program 1 times
[2021-11-13 17:36:01,753 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:36:01,753 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254501000]
[2021-11-13 17:36:01,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:36:01,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:36:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:36:01,945 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 17:36:01,945 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-13 17:36:01,946 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254501000]
[2021-11-13 17:36:01,947 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254501000] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:36:01,947 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:36:01,947 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-13 17:36:01,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800753168]
[2021-11-13 17:36:01,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-13 17:36:01,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 17:36:01,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-13 17:36:01,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 17:36:01,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 17:36:01,990 INFO L87 Difference]: Start difference. First operand has 44 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 43 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:36:02,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:36:02,013 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions.
[2021-11-13 17:36:02,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 17:36:02,016 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2021-11-13 17:36:02,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:36:02,027 INFO L225 Difference]: With dead ends: 86
[2021-11-13 17:36:02,027 INFO L226 Difference]: Without dead ends: 41
[2021-11-13 17:36:02,030 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 17:36:02,035 INFO L933 BasicCegarLoop]: 56 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, 56 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.37ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:36:02,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 1.37ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 17:36:02,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2021-11-13 17:36:02,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2021-11-13 17:36:02,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.325) internal successors, (53), 40 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 17:36:02,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 53 transitions.
[2021-11-13 17:36:02,079 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 53 transitions. Word has length 11
[2021-11-13 17:36:02,080 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:36:02,080 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 53 transitions.
[2021-11-13 17:36:02,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:36:02,081 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions.
[2021-11-13 17:36:02,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-11-13 17:36:02,082 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:36:02,082 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:36:02,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 17:36:02,083 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:36:02,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:36:02,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1102347550, now seen corresponding path program 1 times
[2021-11-13 17:36:02,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 17:36:02,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624671711]
[2021-11-13 17:36:02,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:36:02,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 17:36:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 17:36:02,181 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 17:36:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 17:36:02,322 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 17:36:02,323 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2021-11-13 17:36:02,327 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 17:36:02,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-13 17:36:02,344 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1]
[2021-11-13 17:36:02,350 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 17:36:02,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:36:02 BoogieIcfgContainer
[2021-11-13 17:36:02,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 17:36:02,440 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 17:36:02,441 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 17:36:02,441 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 17:36:02,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:36:01" (3/4) ...
[2021-11-13 17:36:02,452 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2021-11-13 17:36:02,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 17:36:02,454 INFO L158 Benchmark]: Toolchain (without parser) took 1955.45ms. Allocated memory is still 113.2MB. Free memory was 75.7MB in the beginning and 83.4MB in the end (delta: -7.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:36:02,454 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:36:02,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.68ms. Allocated memory is still 113.2MB. Free memory was 75.4MB in the beginning and 87.9MB in the end (delta: -12.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2021-11-13 17:36:02,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.34ms. Allocated memory is still 113.2MB. Free memory was 87.9MB in the beginning and 85.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:36:02,464 INFO L158 Benchmark]: Boogie Preprocessor took 41.20ms. Allocated memory is still 113.2MB. Free memory was 85.8MB in the beginning and 84.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:36:02,465 INFO L158 Benchmark]: RCFGBuilder took 625.05ms. Allocated memory is still 113.2MB. Free memory was 84.0MB in the beginning and 67.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2021-11-13 17:36:02,466 INFO L158 Benchmark]: TraceAbstraction took 806.27ms. Allocated memory is still 113.2MB. Free memory was 66.9MB in the beginning and 83.9MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:36:02,466 INFO L158 Benchmark]: Witness Printer took 12.21ms. Allocated memory is still 113.2MB. Free memory was 83.9MB in the beginning and 83.4MB in the end (delta: 559.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:36:02,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 92.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 399.68ms. Allocated memory is still 113.2MB. Free memory was 75.4MB in the beginning and 87.9MB in the end (delta: -12.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 61.34ms. Allocated memory is still 113.2MB. Free memory was 87.9MB in the beginning and 85.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 41.20ms. Allocated memory is still 113.2MB. Free memory was 85.8MB in the beginning and 84.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 625.05ms. Allocated memory is still 113.2MB. Free memory was 84.0MB in the beginning and 67.7MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 806.27ms. Allocated memory is still 113.2MB. Free memory was 66.9MB in the beginning and 83.9MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 12.21ms. Allocated memory is still 113.2MB. Free memory was 83.9MB in the beginning and 83.4MB in the end (delta: 559.8kB). 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: 155]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: overapproximation of someUnaryDOUBLEoperation at line 23, overapproximation of someBinaryArithmeticDOUBLEoperation at line 73, overapproximation of bitwiseAnd at line 56, overapproximation of someBinaryDOUBLEComparisonOperation at line 154.
Possible FailurePath:
[L19-L44] static const double one_exp = 1.0,
halF_exp[2] =
{
0.5,
-0.5,
},
huge_exp = 1.0e+300,
twom1000_exp = 9.33263618503218878990e-302,
o_threshold_exp = 7.09782712893383973096e+02,
u_threshold_exp = -7.45133219101941108420e+02,
ln2HI_exp[2] =
{
6.93147180369123816490e-01,
-6.93147180369123816490e-01,
},
ln2LO_exp[2] =
{
1.90821492927058770002e-10,
-1.90821492927058770002e-10,
},
invln2_exp = 1.44269504088896338700e+00,
P1_exp = 1.66666666666666019037e-01,
P2_exp = -2.77777777770155933842e-03,
P3_exp = 6.61375632143793436117e-05,
P4_exp = -1.65339022054652515390e-06,
P5_exp = 4.13813679705723846039e-08;
VAL [halF_exp={7:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={9:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
[L151] double x = -1.0 / 0.0;
[L152] CALL, EXPR __ieee754_exp(x)
[L47] double y, hi, lo, c, t;
[L48] __int32_t k = 0, xsb;
[L49] __uint32_t hx;
VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, halF_exp={7:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={6:0}, ln2LO_exp={9:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001]
[L52] ieee_double_shape_type gh_u;
[L53] gh_u.value = (x)
[L54] EXPR gh_u.parts.msw
[L54] (hx) = gh_u.parts.msw
[L56] xsb = (hx >> 31) & 1
[L57] hx &= 0x7fffffff
VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, halF_exp={7:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={6:0}, ln2LO_exp={9:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, xsb=-1]
[L59] COND TRUE hx >= 0x40862E42
VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, halF_exp={7:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={6:0}, ln2LO_exp={9:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, xsb=-1]
[L60] COND FALSE !(hx >= 0x7ff00000)
VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, halF_exp={7:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={6:0}, ln2LO_exp={9:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, xsb=-1]
[L72] COND TRUE x > o_threshold_exp
[L73] return huge_exp * huge_exp;
VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, halF_exp={7:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=1082535490, invln2_exp=1442695040888963387/1000000000000000000, k=0, ln2HI_exp={6:0}, ln2LO_exp={9:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001, xsb=-1]
[L152] RET, EXPR __ieee754_exp(x)
[L152] double res = __ieee754_exp(x);
[L154] EXPR res == 0.0 && __signbit_double(res) == 0
VAL [halF_exp={7:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={9:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, res == 0.0 && __signbit_double(res) == 0=0, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001]
[L154] COND TRUE !(res == 0.0 && __signbit_double(res) == 0)
[L155] reach_error()
VAL [halF_exp={7:0}, huge_exp=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, invln2_exp=1442695040888963387/1000000000000000000, ln2HI_exp={6:0}, ln2LO_exp={9:0}, o_threshold_exp=88722839111672996637/125000000000000000, one_exp=1, P1_exp=166666666666666019037/1000000000000000000000, P3_exp=661375632143793436117/10000000000000000000000000, P5_exp=413813679705723846039/10000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, twom1000_exp=93326361850321887899/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 56 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, 56 mSDtfsCounter, 0 mSolverCounterSat, 1.37ms 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=44occurred 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 17:36:02,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/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_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/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_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0833.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/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_fc1b443b-e127-44a5-876a-00f4797173af/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 b63eb992c00c845168476a1db77eced17c7e9aa742c6bcee68b2e04a80fb6c93
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 17:36:05,240 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 17:36:05,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 17:36:05,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 17:36:05,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 17:36:05,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 17:36:05,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 17:36:05,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 17:36:05,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 17:36:05,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 17:36:05,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 17:36:05,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 17:36:05,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 17:36:05,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 17:36:05,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 17:36:05,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 17:36:05,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 17:36:05,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 17:36:05,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 17:36:05,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 17:36:05,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 17:36:05,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 17:36:05,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 17:36:05,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 17:36:05,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 17:36:05,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 17:36:05,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 17:36:05,399 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 17:36:05,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 17:36:05,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 17:36:05,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 17:36:05,403 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 17:36:05,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 17:36:05,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 17:36:05,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 17:36:05,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 17:36:05,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 17:36:05,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 17:36:05,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 17:36:05,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 17:36:05,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 17:36:05,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2021-11-13 17:36:05,463 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 17:36:05,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 17:36:05,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 17:36:05,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 17:36:05,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 17:36:05,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 17:36:05,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 17:36:05,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 17:36:05,467 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 17:36:05,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 17:36:05,467 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 17:36:05,468 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 17:36:05,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 17:36:05,468 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 17:36:05,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 17:36:05,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 17:36:05,469 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2021-11-13 17:36:05,469 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2021-11-13 17:36:05,470 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 17:36:05,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 17:36:05,470 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 17:36:05,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 17:36:05,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 17:36:05,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 17:36:05,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 17:36:05,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:36:05,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 17:36:05,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 17:36:05,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 17:36:05,473 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2021-11-13 17:36:05,473 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-11-13 17:36:05,474 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-13 17:36:05,474 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-13 17:36:05,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 17:36:05,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 17:36:05,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2021-11-13 17:36:05,475 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_fc1b443b-e127-44a5-876a-00f4797173af/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63eb992c00c845168476a1db77eced17c7e9aa742c6bcee68b2e04a80fb6c93
[2021-11-13 17:36:05,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 17:36:05,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 17:36:05,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 17:36:05,969 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 17:36:05,971 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 17:36:05,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/float-newlib/double_req_bl_0833.c
[2021-11-13 17:36:06,046 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/data/8379969b1/2fe754d431c44eff8bf766163943e459/FLAG2f4e36dec
[2021-11-13 17:36:06,712 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 17:36:06,718 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/sv-benchmarks/c/float-newlib/double_req_bl_0833.c
[2021-11-13 17:36:06,730 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/data/8379969b1/2fe754d431c44eff8bf766163943e459/FLAG2f4e36dec
[2021-11-13 17:36:07,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/data/8379969b1/2fe754d431c44eff8bf766163943e459
[2021-11-13 17:36:07,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 17:36:07,056 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 17:36:07,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 17:36:07,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 17:36:07,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 17:36:07,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:36:07" (1/1) ...
[2021-11-13 17:36:07,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76c04074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:07, skipping insertion in model container
[2021-11-13 17:36:07,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:36:07" (1/1) ...
[2021-11-13 17:36:07,075 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 17:36:07,116 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 17:36:07,340 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_fc1b443b-e127-44a5-876a-00f4797173af/sv-benchmarks/c/float-newlib/double_req_bl_0833.c[4075,4088]
[2021-11-13 17:36:07,344 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:36:07,358 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 17:36:07,480 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_fc1b443b-e127-44a5-876a-00f4797173af/sv-benchmarks/c/float-newlib/double_req_bl_0833.c[4075,4088]
[2021-11-13 17:36:07,491 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 17:36:07,523 INFO L208 MainTranslator]: Completed translation
[2021-11-13 17:36:07,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:07 WrapperNode
[2021-11-13 17:36:07,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 17:36:07,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 17:36:07,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 17:36:07,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 17:36:07,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:07" (1/1) ...
[2021-11-13 17:36:07,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:07" (1/1) ...
[2021-11-13 17:36:07,620 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 17:36:07,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 17:36:07,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 17:36:07,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 17:36:07,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:07" (1/1) ...
[2021-11-13 17:36:07,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:07" (1/1) ...
[2021-11-13 17:36:07,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:07" (1/1) ...
[2021-11-13 17:36:07,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:07" (1/1) ...
[2021-11-13 17:36:07,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:07" (1/1) ...
[2021-11-13 17:36:07,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:07" (1/1) ...
[2021-11-13 17:36:07,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:07" (1/1) ...
[2021-11-13 17:36:07,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 17:36:07,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 17:36:07,718 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 17:36:07,718 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 17:36:07,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:07" (1/1) ...
[2021-11-13 17:36:07,734 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 17:36:07,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 17:36:07,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 17:36:07,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 17:36:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8
[2021-11-13 17:36:07,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8
[2021-11-13 17:36:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2021-11-13 17:36:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 17:36:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8
[2021-11-13 17:36:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-11-13 17:36:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 17:36:07,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 17:36:07,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-11-13 17:36:07,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-13 17:36:20,126 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 17:36:20,127 INFO L299 CfgBuilder]: Removed 14 assume(true) statements.
[2021-11-13 17:36:20,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:36:20 BoogieIcfgContainer
[2021-11-13 17:36:20,129 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 17:36:20,131 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 17:36:20,132 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 17:36:20,135 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 17:36:20,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 05:36:07" (1/3) ...
[2021-11-13 17:36:20,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de06d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:36:20, skipping insertion in model container
[2021-11-13 17:36:20,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:36:07" (2/3) ...
[2021-11-13 17:36:20,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de06d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 05:36:20, skipping insertion in model container
[2021-11-13 17:36:20,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:36:20" (3/3) ...
[2021-11-13 17:36:20,139 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0833.c
[2021-11-13 17:36:20,144 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 17:36:20,145 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-13 17:36:20,196 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 17:36:20,203 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 17:36:20,204 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-13 17:36:20,219 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 43 states have internal predecessors, (71), 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 17:36:20,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2021-11-13 17:36:20,225 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:36:20,226 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:36:20,227 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:36:20,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:36:20,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1722268475, now seen corresponding path program 1 times
[2021-11-13 17:36:20,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 17:36:20,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406004002]
[2021-11-13 17:36:20,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:36:20,257 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 17:36:20,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 17:36:20,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 17:36:20,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2021-11-13 17:36:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:36:20,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 1 conjunts are in the unsatisfiable core
[2021-11-13 17:36:20,824 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:36:21,000 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 17:36:21,001 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:36:21,146 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 17:36:21,147 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 17:36:21,147 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406004002]
[2021-11-13 17:36:21,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1406004002] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:36:21,148 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:36:21,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2021-11-13 17:36:21,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953160090]
[2021-11-13 17:36:21,152 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 17:36:21,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-13 17:36:21,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 17:36:21,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-13 17:36:21,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 17:36:21,194 INFO L87 Difference]: Start difference. First operand has 44 states, 42 states have (on average 1.6904761904761905) internal successors, (71), 43 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:36:21,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:36:21,216 INFO L93 Difference]: Finished difference Result 86 states and 140 transitions.
[2021-11-13 17:36:21,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-13 17:36:21,219 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2021-11-13 17:36:21,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:36:21,229 INFO L225 Difference]: With dead ends: 86
[2021-11-13 17:36:21,230 INFO L226 Difference]: Without dead ends: 41
[2021-11-13 17:36:21,233 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-13 17:36:21,238 INFO L933 BasicCegarLoop]: 56 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, 56 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.23ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:36:21,239 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 1.23ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time]
[2021-11-13 17:36:21,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2021-11-13 17:36:21,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2021-11-13 17:36:21,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 40 states have (on average 1.325) internal successors, (53), 40 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 17:36:21,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 53 transitions.
[2021-11-13 17:36:21,279 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 53 transitions. Word has length 11
[2021-11-13 17:36:21,279 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:36:21,280 INFO L470 AbstractCegarLoop]: Abstraction has 41 states and 53 transitions.
[2021-11-13 17:36:21,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:36:21,280 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions.
[2021-11-13 17:36:21,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-11-13 17:36:21,281 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:36:21,282 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:36:21,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2021-11-13 17:36:21,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 17:36:21,502 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:36:21,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:36:21,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1102347550, now seen corresponding path program 1 times
[2021-11-13 17:36:21,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 17:36:21,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [665947949]
[2021-11-13 17:36:21,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:36:21,505 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 17:36:21,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 17:36:21,510 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 17:36:21,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2021-11-13 17:36:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:36:21,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-11-13 17:36:21,946 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:36:23,022 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 17:36:23,023 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:36:24,010 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 17:36:24,011 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 17:36:24,011 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [665947949]
[2021-11-13 17:36:24,011 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [665947949] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:36:24,012 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:36:24,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8
[2021-11-13 17:36:24,012 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362332636]
[2021-11-13 17:36:24,012 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 17:36:24,014 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-13 17:36:24,014 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 17:36:24,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-13 17:36:24,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2021-11-13 17:36:24,016 INFO L87 Difference]: Start difference. First operand 41 states and 53 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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 17:36:24,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:36:24,052 INFO L93 Difference]: Finished difference Result 68 states and 86 transitions.
[2021-11-13 17:36:24,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 17:36:24,057 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2021-11-13 17:36:24,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:36:24,059 INFO L225 Difference]: With dead ends: 68
[2021-11-13 17:36:24,059 INFO L226 Difference]: Without dead ends: 39
[2021-11-13 17:36:24,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2021-11-13 17:36:24,063 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 1 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.15ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 34 IncrementalHoareTripleChecker+Unchecked, 0.51ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:36:24,065 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 207 Invalid, 34 Unknown, 0 Unchecked, 7.15ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 34 Unchecked, 0.51ms Time]
[2021-11-13 17:36:24,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2021-11-13 17:36:24,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39.
[2021-11-13 17:36:24,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.263157894736842) internal successors, (48), 38 states have internal predecessors, (48), 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 17:36:24,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions.
[2021-11-13 17:36:24,086 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 12
[2021-11-13 17:36:24,087 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:36:24,089 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions.
[2021-11-13 17:36:24,089 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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 17:36:24,090 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions.
[2021-11-13 17:36:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-11-13 17:36:24,092 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:36:24,092 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:36:24,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2021-11-13 17:36:24,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 17:36:24,299 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:36:24,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:36:24,299 INFO L85 PathProgramCache]: Analyzing trace with hash -5323571, now seen corresponding path program 1 times
[2021-11-13 17:36:24,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 17:36:24,300 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473818389]
[2021-11-13 17:36:24,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:36:24,301 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 17:36:24,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 17:36:24,302 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 17:36:24,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2021-11-13 17:36:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:36:24,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-11-13 17:36:24,656 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:36:25,445 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 17:36:25,445 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:36:26,307 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 17:36:26,308 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 17:36:26,308 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473818389]
[2021-11-13 17:36:26,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1473818389] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:36:26,308 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:36:26,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8
[2021-11-13 17:36:26,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291071772]
[2021-11-13 17:36:26,309 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 17:36:26,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-13 17:36:26,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 17:36:26,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-13 17:36:26,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2021-11-13 17:36:26,311 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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 17:36:26,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:36:26,321 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions.
[2021-11-13 17:36:26,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 17:36:26,322 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2021-11-13 17:36:26,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:36:26,323 INFO L225 Difference]: With dead ends: 48
[2021-11-13 17:36:26,323 INFO L226 Difference]: Without dead ends: 21
[2021-11-13 17:36:26,324 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56
[2021-11-13 17:36:26,325 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 1 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.32ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 14 IncrementalHoareTripleChecker+Unchecked, 0.21ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:36:26,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 97 Invalid, 14 Unknown, 0 Unchecked, 1.32ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 14 Unchecked, 0.21ms Time]
[2021-11-13 17:36:26,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2021-11-13 17:36:26,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21.
[2021-11-13 17:36:26,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.15) internal successors, (23), 20 states have internal predecessors, (23), 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 17:36:26,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions.
[2021-11-13 17:36:26,331 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 13
[2021-11-13 17:36:26,332 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:36:26,332 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions.
[2021-11-13 17:36:26,332 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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 17:36:26,332 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions.
[2021-11-13 17:36:26,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-11-13 17:36:26,333 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:36:26,334 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:36:26,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2021-11-13 17:36:26,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 17:36:26,547 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:36:26,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:36:26,548 INFO L85 PathProgramCache]: Analyzing trace with hash -691534902, now seen corresponding path program 1 times
[2021-11-13 17:36:26,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 17:36:26,549 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1910486025]
[2021-11-13 17:36:26,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:36:26,549 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 17:36:26,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 17:36:26,550 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 17:36:26,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2021-11-13 17:36:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:36:26,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-11-13 17:36:26,927 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:36:27,117 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 17:36:29,246 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 17:36:29,247 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 71 treesize of output 71
[2021-11-13 17:36:29,547 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 20 treesize of output 14
[2021-11-13 17:36:30,599 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 17:36:30,599 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:36:31,669 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 17:36:31,670 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 59
[2021-11-13 17:36:31,787 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-13 17:36:31,787 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 59 treesize of output 61
[2021-11-13 17:36:31,970 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 34 treesize of output 30
[2021-11-13 17:36:32,508 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 17:36:32,508 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 17:36:32,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1910486025]
[2021-11-13 17:36:32,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1910486025] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:36:32,509 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:36:32,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9
[2021-11-13 17:36:32,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197953014]
[2021-11-13 17:36:32,510 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 17:36:32,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-11-13 17:36:32,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 17:36:32,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-11-13 17:36:32,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2021-11-13 17:36:32,511 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 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 17:36:32,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:36:32,543 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions.
[2021-11-13 17:36:32,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-13 17:36:32,545 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 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 14
[2021-11-13 17:36:32,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:36:32,546 INFO L225 Difference]: With dead ends: 30
[2021-11-13 17:36:32,546 INFO L226 Difference]: Without dead ends: 21
[2021-11-13 17:36:32,546 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72
[2021-11-13 17:36:32,548 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 1 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.05ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 20.88ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:36:32,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 82 Invalid, 14 Unknown, 0 Unchecked, 1.05ms Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 13 Unchecked, 20.88ms Time]
[2021-11-13 17:36:32,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2021-11-13 17:36:32,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21.
[2021-11-13 17:36:32,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.1) internal successors, (22), 20 states have internal predecessors, (22), 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 17:36:32,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions.
[2021-11-13 17:36:32,554 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 14
[2021-11-13 17:36:32,554 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:36:32,554 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions.
[2021-11-13 17:36:32,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 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 17:36:32,555 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions.
[2021-11-13 17:36:32,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2021-11-13 17:36:32,556 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:36:32,556 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:36:32,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2021-11-13 17:36:32,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 17:36:32,775 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:36:32,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:36:32,776 INFO L85 PathProgramCache]: Analyzing trace with hash -129518544, now seen corresponding path program 1 times
[2021-11-13 17:36:32,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 17:36:32,776 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849799148]
[2021-11-13 17:36:32,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:36:32,777 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 17:36:32,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 17:36:32,778 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 17:36:32,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2021-11-13 17:36:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:36:32,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-11-13 17:36:32,954 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:36:34,130 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 17:36:34,130 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:36:35,000 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 17:36:35,000 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 17:36:35,000 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849799148]
[2021-11-13 17:36:35,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849799148] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:36:35,001 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:36:35,001 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8
[2021-11-13 17:36:35,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168210467]
[2021-11-13 17:36:35,001 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 17:36:35,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-13 17:36:35,002 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 17:36:35,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-13 17:36:35,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-11-13 17:36:35,002 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:36:35,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:36:35,007 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions.
[2021-11-13 17:36:35,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 17:36:35,008 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16
[2021-11-13 17:36:35,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:36:35,009 INFO L225 Difference]: With dead ends: 31
[2021-11-13 17:36:35,009 INFO L226 Difference]: Without dead ends: 21
[2021-11-13 17:36:35,009 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2021-11-13 17:36:35,011 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.06ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.09ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:36:35,011 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 9 Unknown, 0 Unchecked, 1.06ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 9 Unchecked, 0.09ms Time]
[2021-11-13 17:36:35,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2021-11-13 17:36:35,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21.
[2021-11-13 17:36:35,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 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 17:36:35,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions.
[2021-11-13 17:36:35,018 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 16
[2021-11-13 17:36:35,018 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:36:35,018 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions.
[2021-11-13 17:36:35,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.25) internal successors, (26), 8 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:36:35,019 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions.
[2021-11-13 17:36:35,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2021-11-13 17:36:35,020 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:36:35,020 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:36:35,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2021-11-13 17:36:35,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 17:36:35,229 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:36:35,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:36:35,230 INFO L85 PathProgramCache]: Analyzing trace with hash -72260242, now seen corresponding path program 1 times
[2021-11-13 17:36:35,231 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 17:36:35,231 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [473110207]
[2021-11-13 17:36:35,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:36:35,232 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 17:36:35,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 17:36:35,233 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 17:36:35,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process
[2021-11-13 17:36:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:36:35,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core
[2021-11-13 17:36:35,437 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:36:35,876 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 17:36:35,876 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:36:36,263 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 17:36:36,263 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 17:36:36,264 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [473110207]
[2021-11-13 17:36:36,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [473110207] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:36:36,264 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:36:36,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7
[2021-11-13 17:36:36,264 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524563305]
[2021-11-13 17:36:36,265 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 17:36:36,265 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2021-11-13 17:36:36,265 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 17:36:36,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2021-11-13 17:36:36,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2021-11-13 17:36:36,266 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 17:36:36,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:36:36,554 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions.
[2021-11-13 17:36:36,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-13 17:36:36,554 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16
[2021-11-13 17:36:36,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:36:36,555 INFO L225 Difference]: With dead ends: 24
[2021-11-13 17:36:36,555 INFO L226 Difference]: Without dead ends: 21
[2021-11-13 17:36:36,555 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56
[2021-11-13 17:36:36,556 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 20 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 163.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.91ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 167.28ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:36:36,557 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 53 Invalid, 12 Unknown, 0 Unchecked, 0.91ms Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 167.28ms Time]
[2021-11-13 17:36:36,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states.
[2021-11-13 17:36:36,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21.
[2021-11-13 17:36:36,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.0) internal successors, (20), 20 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:36:36,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions.
[2021-11-13 17:36:36,562 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 16
[2021-11-13 17:36:36,562 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:36:36,563 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions.
[2021-11-13 17:36:36,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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 17:36:36,563 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions.
[2021-11-13 17:36:36,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2021-11-13 17:36:36,564 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 17:36:36,564 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:36:36,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0
[2021-11-13 17:36:36,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 17:36:36,786 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-13 17:36:36,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 17:36:36,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1346464765, now seen corresponding path program 1 times
[2021-11-13 17:36:36,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-13 17:36:36,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1410198160]
[2021-11-13 17:36:36,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 17:36:36,788 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-13 17:36:36,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat
[2021-11-13 17:36:36,788 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-13 17:36:36,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process
[2021-11-13 17:36:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-13 17:36:36,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-11-13 17:36:36,978 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-13 17:36:38,353 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 17:36:38,353 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-13 17:36:39,902 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 17:36:39,902 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-13 17:36:39,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1410198160]
[2021-11-13 17:36:39,903 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1410198160] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-13 17:36:39,903 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-13 17:36:39,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14
[2021-11-13 17:36:39,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177998367]
[2021-11-13 17:36:39,903 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-13 17:36:39,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2021-11-13 17:36:39,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-13 17:36:39,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2021-11-13 17:36:39,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182
[2021-11-13 17:36:39,905 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:36:40,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-13 17:36:40,947 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions.
[2021-11-13 17:36:40,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-11-13 17:36:40,948 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20
[2021-11-13 17:36:40,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-13 17:36:40,949 INFO L225 Difference]: With dead ends: 21
[2021-11-13 17:36:40,949 INFO L226 Difference]: Without dead ends: 0
[2021-11-13 17:36:40,950 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306
[2021-11-13 17:36:40,951 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 13 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 241.73ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.78ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 246.32ms IncrementalHoareTripleChecker+Time
[2021-11-13 17:36:40,951 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 128 Invalid, 43 Unknown, 0 Unchecked, 0.78ms Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 19 Unchecked, 246.32ms Time]
[2021-11-13 17:36:40,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-11-13 17:36:40,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-11-13 17:36:40,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:36:40,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-11-13 17:36:40,952 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20
[2021-11-13 17:36:40,952 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-13 17:36:40,952 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-13 17:36:40,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-13 17:36:40,953 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-11-13 17:36:40,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-11-13 17:36:40,955 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-13 17:36:40,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0
[2021-11-13 17:36:41,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3
[2021-11-13 17:36:41,158 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-11-13 17:36:41,527 INFO L861 garLoopResultBuilder]: At program point L159(lines 145 160) the Hoare annotation is: true
[2021-11-13 17:36:41,527 INFO L858 garLoopResultBuilder]: For program point L60(lines 60 71) no Hoare annotation was computed.
[2021-11-13 17:36:41,528 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 118 122) no Hoare annotation was computed.
[2021-11-13 17:36:41,528 INFO L854 garLoopResultBuilder]: At program point L118-2(lines 118 122) the Hoare annotation is: false
[2021-11-13 17:36:41,528 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 130) no Hoare annotation was computed.
[2021-11-13 17:36:41,528 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-11-13 17:36:41,529 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-11-13 17:36:41,529 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 136 140) no Hoare annotation was computed.
[2021-11-13 17:36:41,529 INFO L858 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed.
[2021-11-13 17:36:41,529 INFO L854 garLoopResultBuilder]: At program point L136-2(lines 136 140) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short22#1| (= |ULTIMATE.start_main_~res~0#1| (_ +zero 11 53)) (= (_ +zero 11 53) |ULTIMATE.start___signbit_double_~x#1|) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_exp_#res#1|))
[2021-11-13 17:36:41,529 INFO L858 garLoopResultBuilder]: For program point L136-3(lines 136 140) no Hoare annotation was computed.
[2021-11-13 17:36:41,530 INFO L858 garLoopResultBuilder]: For program point L70-2(line 70) no Hoare annotation was computed.
[2021-11-13 17:36:41,530 INFO L858 garLoopResultBuilder]: For program point L62-1(lines 62 66) no Hoare annotation was computed.
[2021-11-13 17:36:41,530 INFO L854 garLoopResultBuilder]: At program point L62-2(lines 62 66) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_exp_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)))) (exists ((|v_skolemized_q#valueAsBitvector_21| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_21|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_21|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= |ULTIMATE.start___ieee754_exp_~xsb~0#1| (bvand (_ bv1 32) (bvlshr ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_21|) (_ bv31 32)))))) (exists ((|v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_19| (_ BitVec 64))) (let ((.cse0 (select |#memory_int| |v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11|))) (let ((.cse1 (select .cse0 (_ bv4 32)))) (and (= (select .cse0 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_19|)) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_19|) .cse1) (= (bvand (_ bv2147483647 32) .cse1) |ULTIMATE.start___ieee754_exp_~hx~0#1|) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_19|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_19|)) |ULTIMATE.start___ieee754_exp_~x#1|))))))
[2021-11-13 17:36:41,530 INFO L858 garLoopResultBuilder]: For program point L62-3(lines 60 71) no Hoare annotation was computed.
[2021-11-13 17:36:41,531 INFO L858 garLoopResultBuilder]: For program point L79(lines 79 88) no Hoare annotation was computed.
[2021-11-13 17:36:41,531 INFO L858 garLoopResultBuilder]: For program point L79-2(lines 79 88) no Hoare annotation was computed.
[2021-11-13 17:36:41,531 INFO L858 garLoopResultBuilder]: For program point L104-1(lines 104 108) no Hoare annotation was computed.
[2021-11-13 17:36:41,531 INFO L854 garLoopResultBuilder]: At program point L104-2(lines 104 108) the Hoare annotation is: false
[2021-11-13 17:36:41,531 INFO L854 garLoopResultBuilder]: At program point L129(lines 46 131) the Hoare annotation is: (= (_ +zero 11 53) |ULTIMATE.start___ieee754_exp_#res#1|)
[2021-11-13 17:36:41,532 INFO L858 garLoopResultBuilder]: For program point L154(line 154) no Hoare annotation was computed.
[2021-11-13 17:36:41,532 INFO L858 garLoopResultBuilder]: For program point L154-2(lines 154 157) no Hoare annotation was computed.
[2021-11-13 17:36:41,532 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 73) no Hoare annotation was computed.
[2021-11-13 17:36:41,532 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed.
[2021-11-13 17:36:41,533 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 101) no Hoare annotation was computed.
[2021-11-13 17:36:41,533 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-11-13 17:36:41,533 INFO L858 garLoopResultBuilder]: For program point L123(lines 123 128) no Hoare annotation was computed.
[2021-11-13 17:36:41,533 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 93) no Hoare annotation was computed.
[2021-11-13 17:36:41,533 INFO L858 garLoopResultBuilder]: For program point L123-1(lines 116 130) no Hoare annotation was computed.
[2021-11-13 17:36:41,533 INFO L858 garLoopResultBuilder]: For program point L123-2(lines 123 128) no Hoare annotation was computed.
[2021-11-13 17:36:41,533 INFO L858 garLoopResultBuilder]: For program point L90-2(lines 78 93) no Hoare annotation was computed.
[2021-11-13 17:36:41,534 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed.
[2021-11-13 17:36:41,534 INFO L858 garLoopResultBuilder]: For program point L74(lines 74 75) no Hoare annotation was computed.
[2021-11-13 17:36:41,534 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-11-13 17:36:41,534 INFO L858 garLoopResultBuilder]: For program point L91(lines 91 92) no Hoare annotation was computed.
[2021-11-13 17:36:41,534 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 76) no Hoare annotation was computed.
[2021-11-13 17:36:41,534 INFO L858 garLoopResultBuilder]: For program point L59-2(lines 46 131) no Hoare annotation was computed.
[2021-11-13 17:36:41,535 INFO L858 garLoopResultBuilder]: For program point L51-1(lines 51 55) no Hoare annotation was computed.
[2021-11-13 17:36:41,535 INFO L854 garLoopResultBuilder]: At program point L51-2(lines 51 55) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_exp_~x#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))))
[2021-11-13 17:36:41,535 INFO L858 garLoopResultBuilder]: For program point L51-3(lines 51 55) no Hoare annotation was computed.
[2021-11-13 17:36:41,535 INFO L854 garLoopResultBuilder]: At program point L142(lines 133 143) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short22#1| (= (_ bv0 32) |ULTIMATE.start___signbit_double_#res#1|) (= (_ +zero 11 53) |ULTIMATE.start___ieee754_exp_#res#1|))
[2021-11-13 17:36:41,536 INFO L858 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed.
[2021-11-13 17:36:41,536 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 102 116) no Hoare annotation was computed.
[2021-11-13 17:36:41,536 INFO L858 garLoopResultBuilder]: For program point L109-2(lines 109 114) no Hoare annotation was computed.
[2021-11-13 17:36:41,540 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2021-11-13 17:36:41,542 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 17:36:41,549 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,550 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,558 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,558 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,561 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,561 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,562 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
[2021-11-13 17:36:41,562 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
[2021-11-13 17:36:41,562 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
[2021-11-13 17:36:41,562 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,563 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,563 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
[2021-11-13 17:36:41,563 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
[2021-11-13 17:36:41,564 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,564 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,564 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
[2021-11-13 17:36:41,564 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
[2021-11-13 17:36:41,565 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,565 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,565 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,566 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,566 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,567 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
[2021-11-13 17:36:41,567 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
[2021-11-13 17:36:41,567 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
[2021-11-13 17:36:41,567 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,568 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,568 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
[2021-11-13 17:36:41,568 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
[2021-11-13 17:36:41,568 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,569 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,569 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
[2021-11-13 17:36:41,569 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
[2021-11-13 17:36:41,569 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,569 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,570 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 05:36:41 BoogieIcfgContainer
[2021-11-13 17:36:41,573 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 17:36:41,573 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 17:36:41,573 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 17:36:41,574 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 17:36:41,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:36:20" (3/4) ...
[2021-11-13 17:36:41,578 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-11-13 17:36:41,592 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges
[2021-11-13 17:36:41,593 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2021-11-13 17:36:41,593 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-11-13 17:36:41,594 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-11-13 17:36:41,621 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))
[2021-11-13 17:36:41,622 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_21 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_21[63:63], v_skolemized_q#valueAsBitvector_21[62:52], v_skolemized_q#valueAsBitvector_21[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && xsb == ~bvand32(1bv32, ~bvlshr32(v_skolemized_q#valueAsBitvector_21[63:32], 31bv32)))) && (\exists v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_19 : bv64 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11][0bv32] == v_skolemized_q#valueAsBitvector_19[31:0] && v_skolemized_q#valueAsBitvector_19[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11][4bv32]) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11][4bv32]) == hx) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_19[63:63], v_skolemized_q#valueAsBitvector_19[62:52], v_skolemized_q#valueAsBitvector_19[51:0]) == x)
[2021-11-13 17:36:41,622 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ~Pluszero~LONGDOUBLE() == \result
[2021-11-13 17:36:41,624 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((aux-res == 0.0 && __signbit_double(res) == 0-aux && res == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result
[2021-11-13 17:36:41,624 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (aux-res == 0.0 && __signbit_double(res) == 0-aux && 0bv32 == \result) && ~Pluszero~LONGDOUBLE() == \result
[2021-11-13 17:36:41,675 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 17:36:41,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 17:36:41,676 INFO L158 Benchmark]: Toolchain (without parser) took 34620.55ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 29.4MB in the beginning and 47.1MB in the end (delta: -17.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2021-11-13 17:36:41,677 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 52.4MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 17:36:41,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.68ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 29.2MB in the beginning and 48.4MB in the end (delta: -19.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB.
[2021-11-13 17:36:41,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.41ms. Allocated memory is still 67.1MB. Free memory was 48.4MB in the beginning and 46.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:36:41,678 INFO L158 Benchmark]: Boogie Preprocessor took 91.11ms. Allocated memory is still 67.1MB. Free memory was 46.2MB in the beginning and 44.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 17:36:41,678 INFO L158 Benchmark]: RCFGBuilder took 12415.11ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 38.4MB in the end (delta: 5.6MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB.
[2021-11-13 17:36:41,679 INFO L158 Benchmark]: TraceAbstraction took 21441.17ms. Allocated memory is still 67.1MB. Free memory was 38.0MB in the beginning and 32.3MB in the end (delta: 5.7MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB.
[2021-11-13 17:36:41,679 INFO L158 Benchmark]: Witness Printer took 102.41ms. Allocated memory is still 67.1MB. Free memory was 32.3MB in the beginning and 47.1MB in the end (delta: -14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 17:36:41,681 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 52.4MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 464.68ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 29.2MB in the beginning and 48.4MB in the end (delta: -19.2MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 96.41ms. Allocated memory is still 67.1MB. Free memory was 48.4MB in the beginning and 46.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 91.11ms. Allocated memory is still 67.1MB. Free memory was 46.2MB in the beginning and 44.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 12415.11ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 38.4MB in the end (delta: 5.6MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 21441.17ms. Allocated memory is still 67.1MB. Free memory was 38.0MB in the beginning and 32.3MB in the end (delta: 5.7MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB.
* Witness Printer took 102.41ms. Allocated memory is still 67.1MB. Free memory was 32.3MB in the beginning and 47.1MB in the end (delta: -14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
- GenericResult: Unfinished Backtranslation
Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 155]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21.3s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 435.28ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 723 SdHoareTripleChecker+Invalid, 425.91ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 89 IncrementalHoareTripleChecker+Unchecked, 541 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 182 mSDtfsCounter, 36 mSolverCounterSat, 13.49ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 195 GetRequests, 147 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 14 NumberOfFragments, 107 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 15.5s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 190 ConstructedInterpolants, 41 QuantifiedInterpolants, 1288 SizeOfPredicates, 40 NumberOfNonLiveVariables, 658 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 51]: Loop Invariant
[2021-11-13 17:36:41,694 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,694 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))
- InvariantResult [Line: 46]: Loop Invariant
Derived loop invariant: ~Pluszero~LONGDOUBLE() == \result
- InvariantResult [Line: 62]: Loop Invariant
[2021-11-13 17:36:41,696 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,696 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,696 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
[2021-11-13 17:36:41,696 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
[2021-11-13 17:36:41,696 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
[2021-11-13 17:36:41,697 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,697 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,697 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
[2021-11-13 17:36:41,697 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
[2021-11-13 17:36:41,697 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,698 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,698 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
[2021-11-13 17:36:41,698 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
[2021-11-13 17:36:41,698 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,698 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,698 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,699 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,700 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,700 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
[2021-11-13 17:36:41,700 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
[2021-11-13 17:36:41,700 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
[2021-11-13 17:36:41,700 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,700 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED]
[2021-11-13 17:36:41,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_21,QUANTIFIED]
[2021-11-13 17:36:41,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
[2021-11-13 17:36:41,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,701 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
[2021-11-13 17:36:41,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11,QUANTIFIED]
[2021-11-13 17:36:41,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
[2021-11-13 17:36:41,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_19,QUANTIFIED]
Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE())) && (\exists v_skolemized_q#valueAsBitvector_21 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_21[63:63], v_skolemized_q#valueAsBitvector_21[62:52], v_skolemized_q#valueAsBitvector_21[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && xsb == ~bvand32(1bv32, ~bvlshr32(v_skolemized_q#valueAsBitvector_21[63:32], 31bv32)))) && (\exists v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11 : bv32, v_skolemized_q#valueAsBitvector_19 : bv64 :: ((unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11][0bv32] == v_skolemized_q#valueAsBitvector_19[31:0] && v_skolemized_q#valueAsBitvector_19[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11][4bv32]) && ~bvand32(2147483647bv32, unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_exp_~#gh_u~0#1.base_11][4bv32]) == hx) && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_19[63:63], v_skolemized_q#valueAsBitvector_19[62:52], v_skolemized_q#valueAsBitvector_19[51:0]) == x)
- InvariantResult [Line: 136]: Loop Invariant
Derived loop invariant: ((aux-res == 0.0 && __signbit_double(res) == 0-aux && res == ~Pluszero~LONGDOUBLE()) && ~Pluszero~LONGDOUBLE() == x) && ~Pluszero~LONGDOUBLE() == \result
- InvariantResult [Line: 104]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 118]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 145]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 133]: Loop Invariant
Derived loop invariant: (aux-res == 0.0 && __signbit_double(res) == 0-aux && 0bv32 == \result) && ~Pluszero~LONGDOUBLE() == \result
RESULT: Ultimate proved your program to be correct!
[2021-11-13 17:36:41,922 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process
[2021-11-13 17:36:41,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc1b443b-e127-44a5-876a-00f4797173af/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE