./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0460.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 53f42b1a
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0460.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF --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 5bcd6030810972ce12a765944bf9ab96af2329d7a9986a8356400ad8ceca68d7
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-53f42b1
[2021-11-20 07:15:27,917 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-20 07:15:27,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-20 07:15:27,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-20 07:15:27,971 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-20 07:15:27,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-20 07:15:27,980 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-20 07:15:27,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-20 07:15:27,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-20 07:15:27,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-20 07:15:27,998 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-20 07:15:28,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-20 07:15:28,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-20 07:15:28,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-20 07:15:28,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-20 07:15:28,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-20 07:15:28,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-20 07:15:28,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-20 07:15:28,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-20 07:15:28,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-20 07:15:28,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-20 07:15:28,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-20 07:15:28,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-20 07:15:28,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-20 07:15:28,046 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-20 07:15:28,047 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-20 07:15:28,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-20 07:15:28,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-20 07:15:28,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-20 07:15:28,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-20 07:15:28,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-20 07:15:28,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-20 07:15:28,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-20 07:15:28,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-20 07:15:28,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-20 07:15:28,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-20 07:15:28,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-20 07:15:28,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-20 07:15:28,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-20 07:15:28,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-20 07:15:28,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-20 07:15:28,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-11-20 07:15:28,115 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-20 07:15:28,116 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-20 07:15:28,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-20 07:15:28,117 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-20 07:15:28,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-20 07:15:28,125 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-20 07:15:28,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-20 07:15:28,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-20 07:15:28,127 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-20 07:15:28,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-20 07:15:28,128 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-20 07:15:28,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-20 07:15:28,129 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-20 07:15:28,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-20 07:15:28,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-20 07:15:28,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-20 07:15:28,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-20 07:15:28,130 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-20 07:15:28,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-20 07:15:28,131 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-20 07:15:28,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-20 07:15:28,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-20 07:15:28,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-20 07:15:28,132 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-20 07:15:28,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-20 07:15:28,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-20 07:15:28,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-20 07:15:28,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-20 07:15:28,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-20 07:15:28,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-20 07:15:28,136 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-20 07:15:28,136 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-20 07:15:28,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-20 07:15:28,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-20 07:15:28,138 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_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bcd6030810972ce12a765944bf9ab96af2329d7a9986a8356400ad8ceca68d7
[2021-11-20 07:15:28,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-20 07:15:28,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-20 07:15:28,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-20 07:15:28,435 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-20 07:15:28,436 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-20 07:15:28,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/double_req_bl_0460.c
[2021-11-20 07:15:28,515 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/data/e63b1b5c0/bab0995371f24ff3bd68e87a5af11255/FLAG33377bf74
[2021-11-20 07:15:29,137 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-20 07:15:29,137 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/sv-benchmarks/c/float-newlib/double_req_bl_0460.c
[2021-11-20 07:15:29,155 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/data/e63b1b5c0/bab0995371f24ff3bd68e87a5af11255/FLAG33377bf74
[2021-11-20 07:15:29,490 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/data/e63b1b5c0/bab0995371f24ff3bd68e87a5af11255
[2021-11-20 07:15:29,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-20 07:15:29,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-20 07:15:29,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-20 07:15:29,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-20 07:15:29,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-20 07:15:29,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:15:29" (1/1) ...
[2021-11-20 07:15:29,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a23d70f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:29, skipping insertion in model container
[2021-11-20 07:15:29,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:15:29" (1/1) ...
[2021-11-20 07:15:29,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-20 07:15:29,535 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-20 07:15:29,812 WARN L230 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_e45a4755-85b1-4477-87bd-393dcd4375e6/sv-benchmarks/c/float-newlib/double_req_bl_0460.c[5763,5776]
[2021-11-20 07:15:29,824 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-20 07:15:29,835 INFO L203 MainTranslator]: Completed pre-run
[2021-11-20 07:15:29,925 WARN L230 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_e45a4755-85b1-4477-87bd-393dcd4375e6/sv-benchmarks/c/float-newlib/double_req_bl_0460.c[5763,5776]
[2021-11-20 07:15:29,926 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-20 07:15:29,943 INFO L208 MainTranslator]: Completed translation
[2021-11-20 07:15:29,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:29 WrapperNode
[2021-11-20 07:15:29,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-20 07:15:29,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-20 07:15:29,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-20 07:15:29,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-20 07:15:29,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:29" (1/1) ...
[2021-11-20 07:15:29,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:29" (1/1) ...
[2021-11-20 07:15:29,992 INFO L137 Inliner]: procedures = 18, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 134
[2021-11-20 07:15:29,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-20 07:15:29,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-20 07:15:29,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-20 07:15:29,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-20 07:15:30,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:29" (1/1) ...
[2021-11-20 07:15:30,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:29" (1/1) ...
[2021-11-20 07:15:30,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:29" (1/1) ...
[2021-11-20 07:15:30,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:29" (1/1) ...
[2021-11-20 07:15:30,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:29" (1/1) ...
[2021-11-20 07:15:30,056 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:29" (1/1) ...
[2021-11-20 07:15:30,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:29" (1/1) ...
[2021-11-20 07:15:30,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-20 07:15:30,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-20 07:15:30,064 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-20 07:15:30,064 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-20 07:15:30,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:29" (1/1) ...
[2021-11-20 07:15:30,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-20 07:15:30,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/z3
[2021-11-20 07:15:30,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-20 07:15:30,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-20 07:15:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-11-20 07:15:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-20 07:15:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-20 07:15:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2021-11-20 07:15:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-11-20 07:15:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt
[2021-11-20 07:15:30,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt
[2021-11-20 07:15:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2021-11-20 07:15:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-20 07:15:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-20 07:15:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-11-20 07:15:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-20 07:15:30,249 INFO L236 CfgBuilder]: Building ICFG
[2021-11-20 07:15:30,251 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2021-11-20 07:15:30,563 INFO L277 CfgBuilder]: Performing block encoding
[2021-11-20 07:15:30,570 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-20 07:15:30,571 INFO L301 CfgBuilder]: Removed 14 assume(true) statements.
[2021-11-20 07:15:30,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:15:30 BoogieIcfgContainer
[2021-11-20 07:15:30,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-20 07:15:30,575 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-20 07:15:30,575 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-20 07:15:30,578 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-20 07:15:30,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:15:29" (1/3) ...
[2021-11-20 07:15:30,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2cf8d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:15:30, skipping insertion in model container
[2021-11-20 07:15:30,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:29" (2/3) ...
[2021-11-20 07:15:30,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2cf8d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:15:30, skipping insertion in model container
[2021-11-20 07:15:30,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:15:30" (3/3) ...
[2021-11-20 07:15:30,581 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0460.c
[2021-11-20 07:15:30,587 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-20 07:15:30,587 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-20 07:15:30,635 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-20 07:15:30,642 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
[2021-11-20 07:15:30,643 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-20 07:15:30,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 67 states have (on average 1.6417910447761195) internal successors, (110), 68 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-11-20 07:15:30,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-11-20 07:15:30,667 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-20 07:15:30,668 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-20 07:15:30,668 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-20 07:15:30,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:15:30,673 INFO L85 PathProgramCache]: Analyzing trace with hash 260887967, now seen corresponding path program 1 times
[2021-11-20 07:15:30,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:15:30,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71894564]
[2021-11-20 07:15:30,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:15:30,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:15:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:15:30,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:15:30,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-11-20 07:15:30,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71894564]
[2021-11-20 07:15:30,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71894564] provided 1 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:15:30,869 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:15:30,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-11-20 07:15:30,871 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564775029]
[2021-11-20 07:15:30,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2021-11-20 07:15:30,876 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-20 07:15:30,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-11-20 07:15:30,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-20 07:15:30,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-20 07:15:30,905 INFO L87 Difference]: Start difference. First operand has 72 states, 67 states have (on average 1.6417910447761195) internal successors, (110), 68 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-20 07:15:30,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-20 07:15:30,937 INFO L93 Difference]: Finished difference Result 141 states and 226 transitions.
[2021-11-20 07:15:30,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-20 07:15:30,939 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2021-11-20 07:15:30,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-20 07:15:30,948 INFO L225 Difference]: With dead ends: 141
[2021-11-20 07:15:30,948 INFO L226 Difference]: Without dead ends: 68
[2021-11-20 07:15:30,952 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
[2021-11-20 07:15:30,959 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2021-11-20 07:15:30,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2021-11-20 07:15:30,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2021-11-20 07:15:31,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68.
[2021-11-20 07:15:31,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 64 states have (on average 1.40625) internal successors, (90), 64 states have internal predecessors, (90), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-11-20 07:15:31,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions.
[2021-11-20 07:15:31,033 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 12
[2021-11-20 07:15:31,033 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-20 07:15:31,033 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions.
[2021-11-20 07:15:31,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-20 07:15:31,035 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions.
[2021-11-20 07:15:31,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-11-20 07:15:31,037 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-20 07:15:31,037 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-20 07:15:31,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-20 07:15:31,039 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-20 07:15:31,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:15:31,046 INFO L85 PathProgramCache]: Analyzing trace with hash -843068167, now seen corresponding path program 1 times
[2021-11-20 07:15:31,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-20 07:15:31,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370066595]
[2021-11-20 07:15:31,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:15:31,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-20 07:15:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-20 07:15:31,128 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-20 07:15:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-20 07:15:31,222 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-20 07:15:31,223 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2021-11-20 07:15:31,227 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-20 07:15:31,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-11-20 07:15:31,235 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1]
[2021-11-20 07:15:31,238 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-20 07:15:31,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:15:31 BoogieIcfgContainer
[2021-11-20 07:15:31,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-20 07:15:31,306 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-20 07:15:31,307 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-20 07:15:31,307 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-20 07:15:31,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:15:30" (3/4) ...
[2021-11-20 07:15:31,311 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2021-11-20 07:15:31,311 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-20 07:15:31,313 INFO L158 Benchmark]: Toolchain (without parser) took 1816.84ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 60.7MB in the beginning and 78.6MB in the end (delta: -17.9MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB.
[2021-11-20 07:15:31,314 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 96.5MB. Free memory was 68.5MB in the beginning and 68.5MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-20 07:15:31,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.85ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 66.9MB in the end (delta: -6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-20 07:15:31,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.39ms. Allocated memory is still 96.5MB. Free memory was 66.9MB in the beginning and 64.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-20 07:15:31,322 INFO L158 Benchmark]: Boogie Preprocessor took 69.05ms. Allocated memory is still 96.5MB. Free memory was 64.9MB in the beginning and 62.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-20 07:15:31,323 INFO L158 Benchmark]: RCFGBuilder took 509.64ms. Allocated memory is still 96.5MB. Free memory was 62.7MB in the beginning and 44.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2021-11-20 07:15:31,324 INFO L158 Benchmark]: TraceAbstraction took 731.15ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 44.0MB in the beginning and 79.3MB in the end (delta: -35.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-20 07:15:31,324 INFO L158 Benchmark]: Witness Printer took 5.06ms. Allocated memory is still 123.7MB. Free memory was 79.3MB in the beginning and 78.6MB in the end (delta: 650.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-20 07:15:31,332 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.37ms. Allocated memory is still 96.5MB. Free memory was 68.5MB in the beginning and 68.5MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 451.85ms. Allocated memory is still 96.5MB. Free memory was 60.6MB in the beginning and 66.9MB in the end (delta: -6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 43.39ms. Allocated memory is still 96.5MB. Free memory was 66.9MB in the beginning and 64.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 69.05ms. Allocated memory is still 96.5MB. Free memory was 64.9MB in the beginning and 62.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 509.64ms. Allocated memory is still 96.5MB. Free memory was 62.7MB in the beginning and 44.4MB in the end (delta: 18.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 731.15ms. Allocated memory was 96.5MB in the beginning and 123.7MB in the end (delta: 27.3MB). Free memory was 44.0MB in the beginning and 79.3MB in the end (delta: -35.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 5.06ms. Allocated memory is still 123.7MB. Free memory was 79.3MB in the beginning and 78.6MB in the end (delta: 650.6kB). 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: 231]: 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 134, overapproximation of bitwiseAnd at line 152, overapproximation of someBinaryArithmeticDOUBLEoperation at line 170, overapproximation of someBinaryDOUBLEComparisonOperation at line 215.
Possible FailurePath:
[L17] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300;
[L129-L142] static const double one_acos = 1.00000000000000000000e+00,
pi = 3.14159265358979311600e+00,
pio2_hi_acos = 1.57079632679489655800e+00,
pio2_lo_acos = 6.12323399573676603587e-17,
pS0_acos = 1.66666666666666657415e-01,
pS1_acos = -3.25565818622400915405e-01,
pS2_acos = 2.01212532134862925881e-01,
pS3_acos = -4.00555345006794114027e-02,
pS4_acos = 7.91534994289814532176e-04,
pS5_acos = 3.47933107596021167570e-05,
qS1_acos = -2.40339491173441421878e+00,
qS2_acos = 2.02094576023350569471e+00,
qS3_acos = -6.88283971605453293030e-01,
qS4_acos = 7.70381505559019352791e-02;
VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000]
[L223] double x = __VERIFIER_nondet_double();
[L225] COND TRUE x < -1.0 || x > 1.0
[L227] CALL, EXPR __ieee754_acos(x)
[L145] double z, p, q, r, w, s, c, df;
[L146] __int32_t hx, ix;
VAL [\old(x)=4294967298, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967298]
[L148] ieee_double_shape_type gh_u;
[L149] gh_u.value = (x)
[L150] EXPR gh_u.parts.msw
[L150] (hx) = gh_u.parts.msw
[L152] ix = hx & 0x7fffffff
VAL [\old(x)=4294967298, hx=-1, one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967298]
[L153] COND FALSE !(ix >= 0x3ff00000)
VAL [\old(x)=4294967298, hx=-1, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967298]
[L168] COND TRUE ix < 0x3fe00000
VAL [\old(x)=4294967298, hx=-1, ix=0, one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967298]
[L169] COND TRUE ix <= 0x3c600000
[L170] return pio2_hi_acos + pio2_lo_acos;
VAL [\old(x)=4294967298, hx=-1, ix=0, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967298]
[L227] RET, EXPR __ieee754_acos(x)
[L227] double res = __ieee754_acos(x);
[L230] CALL, EXPR isnan_double(res)
[L215] return x != x;
VAL [\old(x)=4294967297, \result=0, one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967297]
[L230] RET, EXPR isnan_double(res)
[L230] COND TRUE !isnan_double(res)
[L231] reach_error()
VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, res=4294967297, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=4294967298]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 72 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, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 0.0s 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, 99 mSDtfsCounter, 0 mSolverCounterSat, 0.0s 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=72occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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
[2021-11-20 07:15:31,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/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_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0460.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF --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 5bcd6030810972ce12a765944bf9ab96af2329d7a9986a8356400ad8ceca68d7
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-53f42b1
[2021-11-20 07:15:33,813 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-20 07:15:33,815 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-20 07:15:33,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-20 07:15:33,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-20 07:15:33,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-20 07:15:33,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-20 07:15:33,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-20 07:15:33,887 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-20 07:15:33,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-20 07:15:33,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-20 07:15:33,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-20 07:15:33,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-20 07:15:33,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-20 07:15:33,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-20 07:15:33,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-20 07:15:33,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-20 07:15:33,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-20 07:15:33,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-20 07:15:33,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-20 07:15:33,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-20 07:15:33,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-20 07:15:33,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-20 07:15:33,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-20 07:15:33,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-20 07:15:33,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-20 07:15:33,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-20 07:15:33,940 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-20 07:15:33,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-20 07:15:33,942 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-20 07:15:33,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-20 07:15:33,943 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-20 07:15:33,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-20 07:15:33,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-20 07:15:33,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-20 07:15:33,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-20 07:15:33,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-20 07:15:33,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-20 07:15:33,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-20 07:15:33,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-20 07:15:33,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-20 07:15:33,953 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2021-11-20 07:15:34,006 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-20 07:15:34,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-20 07:15:34,007 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-20 07:15:34,007 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-20 07:15:34,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-20 07:15:34,008 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-20 07:15:34,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-20 07:15:34,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-20 07:15:34,010 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-20 07:15:34,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-20 07:15:34,012 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-20 07:15:34,012 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-20 07:15:34,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-20 07:15:34,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-20 07:15:34,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-20 07:15:34,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-20 07:15:34,014 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2021-11-20 07:15:34,014 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2021-11-20 07:15:34,014 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2021-11-20 07:15:34,014 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-20 07:15:34,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-20 07:15:34,015 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-20 07:15:34,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-20 07:15:34,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-20 07:15:34,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-20 07:15:34,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-20 07:15:34,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-20 07:15:34,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-20 07:15:34,017 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-20 07:15:34,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-20 07:15:34,017 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2021-11-20 07:15:34,017 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-11-20 07:15:34,018 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF
[2021-11-20 07:15:34,018 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2021-11-20 07:15:34,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-20 07:15:34,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-20 07:15:34,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2021-11-20 07:15:34,019 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_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bcd6030810972ce12a765944bf9ab96af2329d7a9986a8356400ad8ceca68d7
[2021-11-20 07:15:34,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-20 07:15:34,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-20 07:15:34,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-20 07:15:34,429 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-20 07:15:34,431 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-20 07:15:34,432 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/float-newlib/double_req_bl_0460.c
[2021-11-20 07:15:34,505 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/data/f3573251e/355d2f7d06aa41c396bbe410122e397c/FLAG2cb8b9717
[2021-11-20 07:15:35,081 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-20 07:15:35,081 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/sv-benchmarks/c/float-newlib/double_req_bl_0460.c
[2021-11-20 07:15:35,090 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/data/f3573251e/355d2f7d06aa41c396bbe410122e397c/FLAG2cb8b9717
[2021-11-20 07:15:35,515 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/data/f3573251e/355d2f7d06aa41c396bbe410122e397c
[2021-11-20 07:15:35,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-20 07:15:35,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-20 07:15:35,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-20 07:15:35,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-20 07:15:35,527 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-20 07:15:35,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:15:35" (1/1) ...
[2021-11-20 07:15:35,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d78d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:35, skipping insertion in model container
[2021-11-20 07:15:35,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:15:35" (1/1) ...
[2021-11-20 07:15:35,536 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-20 07:15:35,559 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-20 07:15:35,779 WARN L230 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_e45a4755-85b1-4477-87bd-393dcd4375e6/sv-benchmarks/c/float-newlib/double_req_bl_0460.c[5763,5776]
[2021-11-20 07:15:35,781 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-20 07:15:35,801 INFO L203 MainTranslator]: Completed pre-run
[2021-11-20 07:15:35,907 WARN L230 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_e45a4755-85b1-4477-87bd-393dcd4375e6/sv-benchmarks/c/float-newlib/double_req_bl_0460.c[5763,5776]
[2021-11-20 07:15:35,908 INFO L209 PostProcessor]: Analyzing one entry point: main
[2021-11-20 07:15:35,937 INFO L208 MainTranslator]: Completed translation
[2021-11-20 07:15:35,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:35 WrapperNode
[2021-11-20 07:15:35,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-20 07:15:35,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-20 07:15:35,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-20 07:15:35,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-20 07:15:35,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:35" (1/1) ...
[2021-11-20 07:15:35,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:35" (1/1) ...
[2021-11-20 07:15:35,990 INFO L137 Inliner]: procedures = 21, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 134
[2021-11-20 07:15:35,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-20 07:15:35,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-20 07:15:35,991 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-20 07:15:35,991 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-20 07:15:35,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:35" (1/1) ...
[2021-11-20 07:15:35,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:35" (1/1) ...
[2021-11-20 07:15:36,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:35" (1/1) ...
[2021-11-20 07:15:36,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:35" (1/1) ...
[2021-11-20 07:15:36,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:35" (1/1) ...
[2021-11-20 07:15:36,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:35" (1/1) ...
[2021-11-20 07:15:36,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:35" (1/1) ...
[2021-11-20 07:15:36,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-20 07:15:36,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-20 07:15:36,043 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-20 07:15:36,043 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-20 07:15:36,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:35" (1/1) ...
[2021-11-20 07:15:36,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-20 07:15:36,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/z3
[2021-11-20 07:15:36,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-20 07:15:36,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-20 07:15:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2021-11-20 07:15:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8
[2021-11-20 07:15:36,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8
[2021-11-20 07:15:36,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2021-11-20 07:15:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-20 07:15:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt
[2021-11-20 07:15:36,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt
[2021-11-20 07:15:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-11-20 07:15:36,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-20 07:15:36,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-20 07:15:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-11-20 07:15:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-11-20 07:15:36,225 INFO L236 CfgBuilder]: Building ICFG
[2021-11-20 07:15:36,227 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2021-11-20 07:15:55,336 INFO L277 CfgBuilder]: Performing block encoding
[2021-11-20 07:15:55,343 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-20 07:15:55,343 INFO L301 CfgBuilder]: Removed 14 assume(true) statements.
[2021-11-20 07:15:55,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:15:55 BoogieIcfgContainer
[2021-11-20 07:15:55,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-20 07:15:55,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-20 07:15:55,348 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-20 07:15:55,352 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-20 07:15:55,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:15:35" (1/3) ...
[2021-11-20 07:15:55,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b5ae5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:15:55, skipping insertion in model container
[2021-11-20 07:15:55,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:15:35" (2/3) ...
[2021-11-20 07:15:55,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b5ae5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:15:55, skipping insertion in model container
[2021-11-20 07:15:55,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:15:55" (3/3) ...
[2021-11-20 07:15:55,356 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0460.c
[2021-11-20 07:15:55,362 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-20 07:15:55,362 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-11-20 07:15:55,411 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-20 07:15:55,419 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
[2021-11-20 07:15:55,419 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-11-20 07:15:55,436 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 67 states have (on average 1.6417910447761195) internal successors, (110), 68 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-11-20 07:15:55,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-11-20 07:15:55,441 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-20 07:15:55,442 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-20 07:15:55,442 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-20 07:15:55,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:15:55,448 INFO L85 PathProgramCache]: Analyzing trace with hash 260887967, now seen corresponding path program 1 times
[2021-11-20 07:15:55,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:15:55,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513598652]
[2021-11-20 07:15:55,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:15:55,462 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:15:55,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat
[2021-11-20 07:15:55,478 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:15:55,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2021-11-20 07:15:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:15:56,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core
[2021-11-20 07:15:56,369 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:15:56,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:15:56,672 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:15:56,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:15:56,995 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:15:56,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513598652]
[2021-11-20 07:15:56,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [513598652] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:15:56,996 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:15:56,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2
[2021-11-20 07:15:56,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551255985]
[2021-11-20 07:15:56,999 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-20 07:15:57,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-11-20 07:15:57,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:15:57,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-11-20 07:15:57,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-20 07:15:57,036 INFO L87 Difference]: Start difference. First operand has 72 states, 67 states have (on average 1.6417910447761195) internal successors, (110), 68 states have internal predecessors, (110), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-20 07:15:57,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-20 07:15:57,066 INFO L93 Difference]: Finished difference Result 141 states and 226 transitions.
[2021-11-20 07:15:57,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2021-11-20 07:15:57,068 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12
[2021-11-20 07:15:57,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-20 07:15:57,077 INFO L225 Difference]: With dead ends: 141
[2021-11-20 07:15:57,077 INFO L226 Difference]: Without dead ends: 68
[2021-11-20 07:15:57,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-11-20 07:15:57,086 INFO L933 BasicCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2021-11-20 07:15:57,087 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2021-11-20 07:15:57,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states.
[2021-11-20 07:15:57,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68.
[2021-11-20 07:15:57,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 64 states have (on average 1.40625) internal successors, (90), 64 states have internal predecessors, (90), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2021-11-20 07:15:57,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions.
[2021-11-20 07:15:57,130 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 12
[2021-11-20 07:15:57,130 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-20 07:15:57,130 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions.
[2021-11-20 07:15:57,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-20 07:15:57,131 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions.
[2021-11-20 07:15:57,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-11-20 07:15:57,132 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-20 07:15:57,132 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-20 07:15:57,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2021-11-20 07:15:57,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3
[2021-11-20 07:15:57,355 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-20 07:15:57,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:15:57,356 INFO L85 PathProgramCache]: Analyzing trace with hash -843068167, now seen corresponding path program 1 times
[2021-11-20 07:15:57,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:15:57,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [886999471]
[2021-11-20 07:15:57,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:15:57,357 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:15:57,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat
[2021-11-20 07:15:57,359 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:15:57,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2021-11-20 07:15:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:15:57,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-11-20 07:15:57,597 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:16:05,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:16:05,371 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:16:11,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:16:11,699 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:16:11,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [886999471]
[2021-11-20 07:16:11,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [886999471] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:16:11,700 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:16:11,700 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8
[2021-11-20 07:16:11,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636635597]
[2021-11-20 07:16:11,706 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-20 07:16:11,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2021-11-20 07:16:11,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:16:11,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-11-20 07:16:11,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=36, Unknown=4, NotChecked=0, Total=56
[2021-11-20 07:16:11,710 INFO L87 Difference]: Start difference. First operand 68 states and 94 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)
[2021-11-20 07:16:13,223 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-20 07:16:13,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-20 07:16:13,230 INFO L93 Difference]: Finished difference Result 73 states and 98 transitions.
[2021-11-20 07:16:13,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2021-11-20 07:16:13,254 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
[2021-11-20 07:16:13,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-20 07:16:13,256 INFO L225 Difference]: With dead ends: 73
[2021-11-20 07:16:13,256 INFO L226 Difference]: Without dead ends: 16
[2021-11-20 07:16:13,257 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=16, Invalid=36, Unknown=4, NotChecked=0, Total=56
[2021-11-20 07:16:13,259 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2021-11-20 07:16:13,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 9 Unchecked, 1.5s Time]
[2021-11-20 07:16:13,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2021-11-20 07:16:13,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2021-11-20 07:16:13,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-20 07:16:13,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions.
[2021-11-20 07:16:13,266 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 13
[2021-11-20 07:16:13,266 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-20 07:16:13,266 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions.
[2021-11-20 07:16:13,267 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)
[2021-11-20 07:16:13,267 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions.
[2021-11-20 07:16:13,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-11-20 07:16:13,268 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-20 07:16:13,268 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-20 07:16:13,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2021-11-20 07:16:13,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3
[2021-11-20 07:16:13,478 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-20 07:16:13,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:16:13,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1156017025, now seen corresponding path program 1 times
[2021-11-20 07:16:13,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:16:13,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [368120519]
[2021-11-20 07:16:13,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:16:13,480 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:16:13,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat
[2021-11-20 07:16:13,482 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:16:13,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2021-11-20 07:16:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:16:14,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core
[2021-11-20 07:16:14,528 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:16:22,024 WARN L860 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start___ieee754_acos_~x#1| (_ FloatingPoint 11 53))) (= |c_ULTIMATE.start___ieee754_acos_#res#1| (let ((.cse0 (fp.sub roundNearestTiesToEven |ULTIMATE.start___ieee754_acos_~x#1| |ULTIMATE.start___ieee754_acos_~x#1|))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) is different from true
[2021-11-20 07:16:31,970 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv1 32) |c_ULTIMATE.start_isnan_double_#res#1|) (exists ((|ULTIMATE.start___ieee754_acos_~x#1| (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.sub roundNearestTiesToEven |ULTIMATE.start___ieee754_acos_~x#1| |ULTIMATE.start___ieee754_acos_~x#1|))) (fp.div roundNearestTiesToEven .cse1 .cse1)))) (fp.eq .cse0 .cse0))))) is different from false
[2021-11-20 07:16:37,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:16:37,730 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:16:42,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:16:42,053 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:16:42,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [368120519]
[2021-11-20 07:16:42,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [368120519] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:16:42,053 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:16:42,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9
[2021-11-20 07:16:42,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851771270]
[2021-11-20 07:16:42,054 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-20 07:16:42,054 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2021-11-20 07:16:42,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:16:42,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2021-11-20 07:16:42,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=32, Unknown=2, NotChecked=22, Total=72
[2021-11-20 07:16:42,056 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 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)
[2021-11-20 07:16:43,680 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2021-11-20 07:17:04,291 WARN L227 SmtUtils]: Spent 13.03s on a formula simplification. DAG size of input: 12 DAG size of output: 10 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2021-11-20 07:17:07,541 WARN L838 $PredicateComparison]: unable to prove that (and (= (_ bv1 32) |c_ULTIMATE.start_isnan_double_#res#1|) (not (= (_ bv0 32) |c_ULTIMATE.start_isnan_double_#res#1|)) (exists ((|ULTIMATE.start___ieee754_acos_~x#1| (_ FloatingPoint 11 53))) (not (let ((.cse0 (let ((.cse1 (fp.sub roundNearestTiesToEven |ULTIMATE.start___ieee754_acos_~x#1| |ULTIMATE.start___ieee754_acos_~x#1|))) (fp.div roundNearestTiesToEven .cse1 .cse1)))) (fp.eq .cse0 .cse0))))) is different from false
[2021-11-20 07:17:07,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-20 07:17:07,636 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions.
[2021-11-20 07:17:07,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-20 07:17:07,637 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 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 14
[2021-11-20 07:17:07,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-20 07:17:07,638 INFO L225 Difference]: With dead ends: 21
[2021-11-20 07:17:07,638 INFO L226 Difference]: Without dead ends: 16
[2021-11-20 07:17:07,639 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 29.2s TimeCoverageRelationStatistics Valid=22, Invalid=41, Unknown=5, NotChecked=42, Total=110
[2021-11-20 07:17:07,640 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 4 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 28 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time
[2021-11-20 07:17:07,641 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 60 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 28 Unchecked, 3.0s Time]
[2021-11-20 07:17:07,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2021-11-20 07:17:07,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2021-11-20 07:17:07,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2021-11-20 07:17:07,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions.
[2021-11-20 07:17:07,646 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14
[2021-11-20 07:17:07,646 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-20 07:17:07,647 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions.
[2021-11-20 07:17:07,647 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.0) internal successors, (27), 9 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)
[2021-11-20 07:17:07,647 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions.
[2021-11-20 07:17:07,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2021-11-20 07:17:07,648 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-20 07:17:07,648 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-11-20 07:17:07,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2021-11-20 07:17:07,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3
[2021-11-20 07:17:07,854 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2021-11-20 07:17:07,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-20 07:17:07,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1239382277, now seen corresponding path program 1 times
[2021-11-20 07:17:07,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-11-20 07:17:07,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1575168630]
[2021-11-20 07:17:07,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-20 07:17:07,856 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-11-20 07:17:07,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat
[2021-11-20 07:17:07,857 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-11-20 07:17:07,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2021-11-20 07:17:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-11-20 07:17:08,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-11-20 07:17:08,028 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-11-20 07:17:08,640 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
[2021-11-20 07:17:13,495 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-20 07:17:13,495 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 80 treesize of output 80
[2021-11-20 07:17:13,956 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
[2021-11-20 07:17:22,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:17:22,649 INFO L328 TraceCheckSpWp]: Computing backward predicates...
[2021-11-20 07:17:26,783 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-20 07:17:26,783 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 57 treesize of output 62
[2021-11-20 07:17:26,998 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-11-20 07:17:26,998 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 62 treesize of output 64
[2021-11-20 07:17:27,292 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 15 treesize of output 11
[2021-11-20 07:17:28,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-11-20 07:17:28,313 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-11-20 07:17:28,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1575168630]
[2021-11-20 07:17:28,314 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1575168630] provided 2 perfect and 0 imperfect interpolant sequences
[2021-11-20 07:17:28,314 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2021-11-20 07:17:28,314 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10
[2021-11-20 07:17:28,314 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177204759]
[2021-11-20 07:17:28,315 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2021-11-20 07:17:28,315 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2021-11-20 07:17:28,315 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-11-20 07:17:28,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2021-11-20 07:17:28,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=63, Unknown=2, NotChecked=0, Total=90
[2021-11-20 07:17:28,316 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 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)
[2021-11-20 07:17:28,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-11-20 07:17:28,350 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions.
[2021-11-20 07:17:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2021-11-20 07:17:28,351 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 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 15
[2021-11-20 07:17:28,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-11-20 07:17:28,351 INFO L225 Difference]: With dead ends: 16
[2021-11-20 07:17:28,352 INFO L226 Difference]: Without dead ends: 0
[2021-11-20 07:17:28,352 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=25, Invalid=63, Unknown=2, NotChecked=0, Total=90
[2021-11-20 07:17:28,353 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2021-11-20 07:17:28,354 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 19 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 9 Unchecked, 0.0s Time]
[2021-11-20 07:17:28,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-11-20 07:17:28,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-11-20 07:17:28,355 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)
[2021-11-20 07:17:28,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-11-20 07:17:28,356 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15
[2021-11-20 07:17:28,356 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-11-20 07:17:28,356 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-11-20 07:17:28,356 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 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)
[2021-11-20 07:17:28,356 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-11-20 07:17:28,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-11-20 07:17:28,360 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2021-11-20 07:17:28,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0
[2021-11-20 07:17:28,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/mathsat -unsat_core_generation=3
[2021-11-20 07:17:28,571 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-11-20 07:17:31,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101
[2021-11-20 07:17:31,940 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory")
[2021-11-20 07:17:31,941 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:260)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163)
at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61)
at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120)
at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:371)
at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115)
at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106)
at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:650)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:192)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:259)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:251)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter(HoareAnnotationComposer.java:149)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.<init>(HoareAnnotationComposer.java:105)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeIcfgHoareAnnotation(BasicCegarLoop.java:1184)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop$CegarLoopResultBuilder.getResult(AbstractCegarLoop.java:832)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:350)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:155)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658)
at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:237)
... 39 more
[2021-11-20 07:17:31,944 INFO L158 Benchmark]: Toolchain (without parser) took 116421.67ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.0MB in the beginning and 30.0MB in the end (delta: 5.9MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB.
[2021-11-20 07:17:31,944 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-20 07:17:31,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.60ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.8MB in the beginning and 50.3MB in the end (delta: -14.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2021-11-20 07:17:31,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.81ms. Allocated memory is still 71.3MB. Free memory was 50.1MB in the beginning and 48.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-20 07:17:31,945 INFO L158 Benchmark]: Boogie Preprocessor took 50.90ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 45.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-20 07:17:31,946 INFO L158 Benchmark]: RCFGBuilder took 19303.30ms. Allocated memory is still 71.3MB. Free memory was 45.8MB in the beginning and 43.5MB in the end (delta: 2.2MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB.
[2021-11-20 07:17:31,946 INFO L158 Benchmark]: TraceAbstraction took 96595.13ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 30.0MB in the end (delta: 13.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB.
[2021-11-20 07:17:31,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.23ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 414.60ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.8MB in the beginning and 50.3MB in the end (delta: -14.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 51.81ms. Allocated memory is still 71.3MB. Free memory was 50.1MB in the beginning and 48.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 50.90ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 45.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 19303.30ms. Allocated memory is still 71.3MB. Free memory was 45.8MB in the beginning and 43.5MB in the end (delta: 2.2MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 96595.13ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 30.0MB in the end (delta: 13.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e45a4755-85b1-4477-87bd-393dcd4375e6/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")