./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0921.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 2329fc70
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0921.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8 --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 e738debe116f53547f4d856a26a196b1ac73097502894c4fa34f78b8e888418f
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-2329fc7
[2022-12-13 15:11:10,301 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-12-13 15:11:10,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-12-13 15:11:10,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-12-13 15:11:10,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-12-13 15:11:10,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-12-13 15:11:10,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-12-13 15:11:10,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-12-13 15:11:10,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-12-13 15:11:10,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-12-13 15:11:10,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-12-13 15:11:10,332 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-12-13 15:11:10,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-12-13 15:11:10,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-12-13 15:11:10,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-12-13 15:11:10,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-12-13 15:11:10,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-12-13 15:11:10,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-12-13 15:11:10,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-12-13 15:11:10,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-12-13 15:11:10,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-12-13 15:11:10,340 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-12-13 15:11:10,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-12-13 15:11:10,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-12-13 15:11:10,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-12-13 15:11:10,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-12-13 15:11:10,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-12-13 15:11:10,348 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-12-13 15:11:10,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-12-13 15:11:10,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-12-13 15:11:10,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-12-13 15:11:10,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-12-13 15:11:10,351 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-12-13 15:11:10,352 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-12-13 15:11:10,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-12-13 15:11:10,353 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-12-13 15:11:10,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-12-13 15:11:10,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-12-13 15:11:10,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-12-13 15:11:10,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-12-13 15:11:10,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-12-13 15:11:10,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-12-13 15:11:10,376 INFO L113 SettingsManager]: Loading preferences was successful
[2022-12-13 15:11:10,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-12-13 15:11:10,377 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-12-13 15:11:10,377 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-12-13 15:11:10,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-12-13 15:11:10,378 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-12-13 15:11:10,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-12-13 15:11:10,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-12-13 15:11:10,379 INFO L138 SettingsManager]: * Use SBE=true
[2022-12-13 15:11:10,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-12-13 15:11:10,380 INFO L138 SettingsManager]: * sizeof long=4
[2022-12-13 15:11:10,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-12-13 15:11:10,380 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-12-13 15:11:10,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-12-13 15:11:10,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-12-13 15:11:10,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-12-13 15:11:10,381 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-12-13 15:11:10,381 INFO L138 SettingsManager]: * sizeof long double=12
[2022-12-13 15:11:10,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-12-13 15:11:10,381 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-12-13 15:11:10,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-12-13 15:11:10,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-12-13 15:11:10,382 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-12-13 15:11:10,382 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-12-13 15:11:10,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 15:11:10,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-12-13 15:11:10,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-12-13 15:11:10,383 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-12-13 15:11:10,383 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-12-13 15:11:10,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-12-13 15:11:10,383 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-12-13 15:11:10,383 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-12-13 15:11:10,384 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2022-12-13 15:11:10,384 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-12-13 15:11:10,384 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2022-12-13 15:11:10,384 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e738debe116f53547f4d856a26a196b1ac73097502894c4fa34f78b8e888418f
[2022-12-13 15:11:10,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-12-13 15:11:10,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-12-13 15:11:10,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-12-13 15:11:10,573 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-12-13 15:11:10,574 INFO L275 PluginConnector]: CDTParser initialized
[2022-12-13 15:11:10,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-newlib/float_req_bl_0921.c
[2022-12-13 15:11:13,103 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-12-13 15:11:13,227 INFO L351 CDTParser]: Found 1 translation units.
[2022-12-13 15:11:13,227 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/sv-benchmarks/c/float-newlib/float_req_bl_0921.c
[2022-12-13 15:11:13,232 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/data/b837df765/cf8db68ea6234848907135d496999c34/FLAGc9514283e
[2022-12-13 15:11:13,243 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/data/b837df765/cf8db68ea6234848907135d496999c34
[2022-12-13 15:11:13,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-12-13 15:11:13,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-12-13 15:11:13,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-12-13 15:11:13,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-12-13 15:11:13,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-12-13 15:11:13,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:11:13" (1/1) ...
[2022-12-13 15:11:13,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40b95b75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:13, skipping insertion in model container
[2022-12-13 15:11:13,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:11:13" (1/1) ...
[2022-12-13 15:11:13,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-12-13 15:11:13,270 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-12-13 15:11:13,394 WARN L237 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_52d89bcf-1ef9-46af-ae13-90542682d4ed/sv-benchmarks/c/float-newlib/float_req_bl_0921.c[3212,3225]
[2022-12-13 15:11:13,397 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 15:11:13,405 INFO L203 MainTranslator]: Completed pre-run
[2022-12-13 15:11:13,427 WARN L237 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_52d89bcf-1ef9-46af-ae13-90542682d4ed/sv-benchmarks/c/float-newlib/float_req_bl_0921.c[3212,3225]
[2022-12-13 15:11:13,428 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 15:11:13,439 INFO L208 MainTranslator]: Completed translation
[2022-12-13 15:11:13,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:13 WrapperNode
[2022-12-13 15:11:13,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-12-13 15:11:13,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-12-13 15:11:13,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-12-13 15:11:13,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-12-13 15:11:13,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:13" (1/1) ...
[2022-12-13 15:11:13,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:13" (1/1) ...
[2022-12-13 15:11:13,468 INFO L138 Inliner]: procedures = 18, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 140
[2022-12-13 15:11:13,468 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-12-13 15:11:13,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-12-13 15:11:13,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-12-13 15:11:13,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-12-13 15:11:13,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:13" (1/1) ...
[2022-12-13 15:11:13,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:13" (1/1) ...
[2022-12-13 15:11:13,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:13" (1/1) ...
[2022-12-13 15:11:13,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:13" (1/1) ...
[2022-12-13 15:11:13,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:13" (1/1) ...
[2022-12-13 15:11:13,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:13" (1/1) ...
[2022-12-13 15:11:13,487 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:13" (1/1) ...
[2022-12-13 15:11:13,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:13" (1/1) ...
[2022-12-13 15:11:13,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-12-13 15:11:13,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-12-13 15:11:13,491 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-12-13 15:11:13,491 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-12-13 15:11:13,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:13" (1/1) ...
[2022-12-13 15:11:13,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 15:11:13,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 15:11:13,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-12-13 15:11:13,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-12-13 15:11:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-12-13 15:11:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-12-13 15:11:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-12-13 15:11:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2022-12-13 15:11:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-12-13 15:11:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2022-12-13 15:11:13,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-12-13 15:11:13,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-12-13 15:11:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-12-13 15:11:13,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-12-13 15:11:13,610 INFO L235 CfgBuilder]: Building ICFG
[2022-12-13 15:11:13,611 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-12-13 15:11:13,761 INFO L276 CfgBuilder]: Performing block encoding
[2022-12-13 15:11:13,766 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-12-13 15:11:13,766 INFO L300 CfgBuilder]: Removed 6 assume(true) statements.
[2022-12-13 15:11:13,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:11:13 BoogieIcfgContainer
[2022-12-13 15:11:13,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-12-13 15:11:13,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-12-13 15:11:13,770 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-12-13 15:11:13,772 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-12-13 15:11:13,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:11:13" (1/3) ...
[2022-12-13 15:11:13,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320a685d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:11:13, skipping insertion in model container
[2022-12-13 15:11:13,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:13" (2/3) ...
[2022-12-13 15:11:13,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320a685d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:11:13, skipping insertion in model container
[2022-12-13 15:11:13,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:11:13" (3/3) ...
[2022-12-13 15:11:13,774 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0921.c
[2022-12-13 15:11:13,789 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-12-13 15:11:13,789 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-12-13 15:11:13,826 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-12-13 15:11:13,831 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7e757037, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-12-13 15:11:13,831 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-12-13 15:11:13,834 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 29 states have internal predecessors, (47), 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)
[2022-12-13 15:11:13,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-12-13 15:11:13,847 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 15:11:13,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 15:11:13,848 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-12-13 15:11:13,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 15:11:13,853 INFO L85 PathProgramCache]: Analyzing trace with hash -1904103824, now seen corresponding path program 1 times
[2022-12-13 15:11:13,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 15:11:13,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511967417]
[2022-12-13 15:11:13,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 15:11:13,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 15:11:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 15:11:13,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 15:11:13,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-12-13 15:11:13,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511967417]
[2022-12-13 15:11:13,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511967417] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 15:11:13,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 15:11:13,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-12-13 15:11:13,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781635519]
[2022-12-13 15:11:13,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 15:11:13,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-12-13 15:11:13,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-12-13 15:11:14,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-12-13 15:11:14,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-12-13 15:11:14,004 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 29 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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)
[2022-12-13 15:11:14,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 15:11:14,017 INFO L93 Difference]: Finished difference Result 58 states and 92 transitions.
[2022-12-13 15:11:14,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 15:11:14,019 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9
[2022-12-13 15:11:14,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 15:11:14,025 INFO L225 Difference]: With dead ends: 58
[2022-12-13 15:11:14,026 INFO L226 Difference]: Without dead ends: 27
[2022-12-13 15:11:14,028 INFO L412 NwaCegarLoop]: 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
[2022-12-13 15:11:14,030 INFO L413 NwaCegarLoop]: 40 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, 40 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
[2022-12-13 15:11:14,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-12-13 15:11:14,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2022-12-13 15:11:14,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27.
[2022-12-13 15:11:14,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 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)
[2022-12-13 15:11:14,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions.
[2022-12-13 15:11:14,056 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 9
[2022-12-13 15:11:14,056 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 15:11:14,056 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions.
[2022-12-13 15:11:14,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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)
[2022-12-13 15:11:14,056 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions.
[2022-12-13 15:11:14,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2022-12-13 15:11:14,057 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 15:11:14,057 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 15:11:14,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-12-13 15:11:14,057 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-12-13 15:11:14,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 15:11:14,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1484246989, now seen corresponding path program 1 times
[2022-12-13 15:11:14,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-12-13 15:11:14,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939009262]
[2022-12-13 15:11:14,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 15:11:14,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-12-13 15:11:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-12-13 15:11:14,092 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-12-13 15:11:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-12-13 15:11:14,130 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-12-13 15:11:14,131 INFO L360 BasicCegarLoop]: Counterexample is feasible
[2022-12-13 15:11:14,132 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-12-13 15:11:14,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-12-13 15:11:14,136 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1]
[2022-12-13 15:11:14,139 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-12-13 15:11:14,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:11:14 BoogieIcfgContainer
[2022-12-13 15:11:14,156 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-12-13 15:11:14,157 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-12-13 15:11:14,157 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-12-13 15:11:14,157 INFO L275 PluginConnector]: Witness Printer initialized
[2022-12-13 15:11:14,158 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:11:13" (3/4) ...
[2022-12-13 15:11:14,160 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2022-12-13 15:11:14,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-12-13 15:11:14,161 INFO L158 Benchmark]: Toolchain (without parser) took 914.84ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 98.1MB in the beginning and 118.9MB in the end (delta: -20.8MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB.
[2022-12-13 15:11:14,161 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 140.5MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 15:11:14,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.64ms. Allocated memory is still 140.5MB. Free memory was 98.1MB in the beginning and 85.9MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-12-13 15:11:14,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.60ms. Allocated memory is still 140.5MB. Free memory was 85.9MB in the beginning and 83.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-13 15:11:14,162 INFO L158 Benchmark]: Boogie Preprocessor took 21.11ms. Allocated memory is still 140.5MB. Free memory was 83.9MB in the beginning and 82.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-13 15:11:14,162 INFO L158 Benchmark]: RCFGBuilder took 277.40ms. Allocated memory is still 140.5MB. Free memory was 82.2MB in the beginning and 67.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2022-12-13 15:11:14,163 INFO L158 Benchmark]: TraceAbstraction took 386.81ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 67.0MB in the beginning and 118.9MB in the end (delta: -51.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 15:11:14,163 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 169.9MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 15:11:14,165 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.14ms. Allocated memory is still 140.5MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 192.64ms. Allocated memory is still 140.5MB. Free memory was 98.1MB in the beginning and 85.9MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 28.60ms. Allocated memory is still 140.5MB. Free memory was 85.9MB in the beginning and 83.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 21.11ms. Allocated memory is still 140.5MB. Free memory was 83.9MB in the beginning and 82.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 277.40ms. Allocated memory is still 140.5MB. Free memory was 82.2MB in the beginning and 67.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 386.81ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 67.0MB in the beginning and 118.9MB in the end (delta: -51.8MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 3.30ms. Allocated memory is still 169.9MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- UnprovableResult [Line: 126]: Unable to prove that call to reach_error is unreachable
Unable to prove that call to reach_error is unreachable
Reason: overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryArithmeticFLOAToperation at line 46, overapproximation of bitwiseAnd at line 45.
Possible FailurePath:
[L26-L30] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06,
two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01,
Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01,
Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01,
Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01;
[L32] static const float zero_log = 0.0;
VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0]
[L121] float x = 0.0f / 0.0f;
[L122] CALL, EXPR __ieee754_logf(x)
[L35] float hfsq, f, s, z, R, w, t1, t2, dk;
[L36] __int32_t k, ix, i, j;
VAL [\old(x)=4294967311, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=4294967311, zero_log=0]
[L39] ieee_float_shape_type gf_u;
[L40] gf_u.value = (x)
[L41] EXPR gf_u.word
[L41] (ix) = gf_u.word
[L44] k = 0
VAL [\old(x)=4294967311, ix=6, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=4294967311, zero_log=0]
[L45] COND TRUE ((ix & 0x7fffffff) == 0)
[L46] return -two25_log / zero_log;
VAL [\old(x)=4294967311, ix=6, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=4294967311, zero_log=0]
[L122] RET, EXPR __ieee754_logf(x)
[L122] float res = __ieee754_logf(x);
[L125] CALL, EXPR isnan_float(res)
[L113] return x != x;
VAL [\old(x)=4294967310, \result=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=4294967310, zero_log=0]
[L125] RET, EXPR isnan_float(res)
[L125] COND TRUE !isnan_float(res)
[L126] reach_error()
VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=4294967310, two25_log=33554432, x=4294967311, zero_log=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 40 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, 40 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=30occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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
[2022-12-13 15:11:14,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0921.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8 --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 e738debe116f53547f4d856a26a196b1ac73097502894c4fa34f78b8e888418f
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-2329fc7
[2022-12-13 15:11:15,800 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-12-13 15:11:15,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-12-13 15:11:15,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-12-13 15:11:15,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-12-13 15:11:15,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-12-13 15:11:15,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-12-13 15:11:15,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-12-13 15:11:15,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-12-13 15:11:15,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-12-13 15:11:15,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-12-13 15:11:15,831 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-12-13 15:11:15,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-12-13 15:11:15,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-12-13 15:11:15,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-12-13 15:11:15,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-12-13 15:11:15,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-12-13 15:11:15,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-12-13 15:11:15,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-12-13 15:11:15,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-12-13 15:11:15,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-12-13 15:11:15,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-12-13 15:11:15,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-12-13 15:11:15,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-12-13 15:11:15,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-12-13 15:11:15,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-12-13 15:11:15,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-12-13 15:11:15,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-12-13 15:11:15,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-12-13 15:11:15,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-12-13 15:11:15,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-12-13 15:11:15,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-12-13 15:11:15,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-12-13 15:11:15,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-12-13 15:11:15,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-12-13 15:11:15,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-12-13 15:11:15,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-12-13 15:11:15,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-12-13 15:11:15,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-12-13 15:11:15,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-12-13 15:11:15,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-12-13 15:11:15,859 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2022-12-13 15:11:15,885 INFO L113 SettingsManager]: Loading preferences was successful
[2022-12-13 15:11:15,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-12-13 15:11:15,885 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-12-13 15:11:15,886 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-12-13 15:11:15,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-12-13 15:11:15,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-12-13 15:11:15,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-12-13 15:11:15,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-12-13 15:11:15,887 INFO L138 SettingsManager]: * Use SBE=true
[2022-12-13 15:11:15,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-12-13 15:11:15,887 INFO L138 SettingsManager]: * sizeof long=4
[2022-12-13 15:11:15,887 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-12-13 15:11:15,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-12-13 15:11:15,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-12-13 15:11:15,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-12-13 15:11:15,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-12-13 15:11:15,887 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-12-13 15:11:15,888 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2022-12-13 15:11:15,888 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2022-12-13 15:11:15,888 INFO L138 SettingsManager]: * sizeof long double=12
[2022-12-13 15:11:15,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-12-13 15:11:15,888 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-12-13 15:11:15,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-12-13 15:11:15,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-12-13 15:11:15,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-12-13 15:11:15,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-12-13 15:11:15,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 15:11:15,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-12-13 15:11:15,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-12-13 15:11:15,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-12-13 15:11:15,889 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2022-12-13 15:11:15,889 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2022-12-13 15:11:15,889 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-12-13 15:11:15,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-12-13 15:11:15,889 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2022-12-13 15:11:15,889 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-12-13 15:11:15,889 INFO L138 SettingsManager]: * Logic for external solver=AUFBV
[2022-12-13 15:11:15,890 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2022-12-13 15:11:15,890 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e738debe116f53547f4d856a26a196b1ac73097502894c4fa34f78b8e888418f
[2022-12-13 15:11:16,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-12-13 15:11:16,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-12-13 15:11:16,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-12-13 15:11:16,134 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-12-13 15:11:16,134 INFO L275 PluginConnector]: CDTParser initialized
[2022-12-13 15:11:16,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/float-newlib/float_req_bl_0921.c
[2022-12-13 15:11:18,759 INFO L500 CDTParser]: Created temporary CDT project at NULL
[2022-12-13 15:11:18,924 INFO L351 CDTParser]: Found 1 translation units.
[2022-12-13 15:11:18,925 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/sv-benchmarks/c/float-newlib/float_req_bl_0921.c
[2022-12-13 15:11:18,932 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/data/f7c40ad92/6a3e8b81bae5450c96d2eec698f1934d/FLAGb069cc1ed
[2022-12-13 15:11:18,946 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/data/f7c40ad92/6a3e8b81bae5450c96d2eec698f1934d
[2022-12-13 15:11:18,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-12-13 15:11:18,949 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-12-13 15:11:18,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-12-13 15:11:18,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-12-13 15:11:18,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-12-13 15:11:18,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:11:18" (1/1) ...
[2022-12-13 15:11:18,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315962ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:18, skipping insertion in model container
[2022-12-13 15:11:18,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:11:18" (1/1) ...
[2022-12-13 15:11:18,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-12-13 15:11:18,980 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-12-13 15:11:19,130 WARN L237 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_52d89bcf-1ef9-46af-ae13-90542682d4ed/sv-benchmarks/c/float-newlib/float_req_bl_0921.c[3212,3225]
[2022-12-13 15:11:19,134 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 15:11:19,148 INFO L203 MainTranslator]: Completed pre-run
[2022-12-13 15:11:19,180 WARN L237 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_52d89bcf-1ef9-46af-ae13-90542682d4ed/sv-benchmarks/c/float-newlib/float_req_bl_0921.c[3212,3225]
[2022-12-13 15:11:19,181 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-12-13 15:11:19,207 INFO L208 MainTranslator]: Completed translation
[2022-12-13 15:11:19,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:19 WrapperNode
[2022-12-13 15:11:19,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-12-13 15:11:19,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-12-13 15:11:19,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-12-13 15:11:19,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-12-13 15:11:19,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:19" (1/1) ...
[2022-12-13 15:11:19,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:19" (1/1) ...
[2022-12-13 15:11:19,255 INFO L138 Inliner]: procedures = 21, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 140
[2022-12-13 15:11:19,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-12-13 15:11:19,256 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-12-13 15:11:19,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-12-13 15:11:19,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-12-13 15:11:19,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:19" (1/1) ...
[2022-12-13 15:11:19,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:19" (1/1) ...
[2022-12-13 15:11:19,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:19" (1/1) ...
[2022-12-13 15:11:19,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:19" (1/1) ...
[2022-12-13 15:11:19,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:19" (1/1) ...
[2022-12-13 15:11:19,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:19" (1/1) ...
[2022-12-13 15:11:19,286 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:19" (1/1) ...
[2022-12-13 15:11:19,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:19" (1/1) ...
[2022-12-13 15:11:19,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-12-13 15:11:19,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-12-13 15:11:19,292 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-12-13 15:11:19,292 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-12-13 15:11:19,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:19" (1/1) ...
[2022-12-13 15:11:19,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-12-13 15:11:19,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/z3
[2022-12-13 15:11:19,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-12-13 15:11:19,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-12-13 15:11:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-12-13 15:11:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-12-13 15:11:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-12-13 15:11:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4
[2022-12-13 15:11:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2022-12-13 15:11:19,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-12-13 15:11:19,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-12-13 15:11:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4
[2022-12-13 15:11:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2022-12-13 15:11:19,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-12-13 15:11:19,433 INFO L235 CfgBuilder]: Building ICFG
[2022-12-13 15:11:19,435 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-12-13 15:11:37,135 INFO L276 CfgBuilder]: Performing block encoding
[2022-12-13 15:11:37,140 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-12-13 15:11:37,140 INFO L300 CfgBuilder]: Removed 6 assume(true) statements.
[2022-12-13 15:11:37,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:11:37 BoogieIcfgContainer
[2022-12-13 15:11:37,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-12-13 15:11:37,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-12-13 15:11:37,144 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-12-13 15:11:37,146 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-12-13 15:11:37,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:11:18" (1/3) ...
[2022-12-13 15:11:37,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74449d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:11:37, skipping insertion in model container
[2022-12-13 15:11:37,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:11:19" (2/3) ...
[2022-12-13 15:11:37,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74449d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:11:37, skipping insertion in model container
[2022-12-13 15:11:37,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:11:37" (3/3) ...
[2022-12-13 15:11:37,149 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0921.c
[2022-12-13 15:11:37,162 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-12-13 15:11:37,162 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-12-13 15:11:37,195 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-12-13 15:11:37,200 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@fb8e805, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-12-13 15:11:37,200 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-12-13 15:11:37,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 29 states have internal predecessors, (47), 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)
[2022-12-13 15:11:37,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-12-13 15:11:37,207 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 15:11:37,208 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 15:11:37,208 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-12-13 15:11:37,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 15:11:37,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1904103824, now seen corresponding path program 1 times
[2022-12-13 15:11:37,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 15:11:37,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [827890779]
[2022-12-13 15:11:37,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 15:11:37,222 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2022-12-13 15:11:37,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat
[2022-12-13 15:11:37,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-12-13 15:11:37,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2022-12-13 15:11:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 15:11:37,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core
[2022-12-13 15:11:37,684 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 15:11:37,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 15:11:37,697 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 15:11:37,698 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 15:11:37,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [827890779]
[2022-12-13 15:11:37,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [827890779] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 15:11:37,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 15:11:37,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-12-13 15:11:37,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015020568]
[2022-12-13 15:11:37,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 15:11:37,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-12-13 15:11:37,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 15:11:37,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-12-13 15:11:37,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-12-13 15:11:37,735 INFO L87 Difference]: Start difference. First operand has 30 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 29 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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)
[2022-12-13 15:11:37,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 15:11:37,751 INFO L93 Difference]: Finished difference Result 58 states and 92 transitions.
[2022-12-13 15:11:37,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-12-13 15:11:37,753 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9
[2022-12-13 15:11:37,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 15:11:37,761 INFO L225 Difference]: With dead ends: 58
[2022-12-13 15:11:37,761 INFO L226 Difference]: Without dead ends: 27
[2022-12-13 15:11:37,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-12-13 15:11:37,767 INFO L413 NwaCegarLoop]: 40 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, 40 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
[2022-12-13 15:11:37,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-12-13 15:11:37,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2022-12-13 15:11:37,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27.
[2022-12-13 15:11:37,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 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)
[2022-12-13 15:11:37,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 37 transitions.
[2022-12-13 15:11:37,792 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 37 transitions. Word has length 9
[2022-12-13 15:11:37,793 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 15:11:37,793 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 37 transitions.
[2022-12-13 15:11:37,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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)
[2022-12-13 15:11:37,793 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions.
[2022-12-13 15:11:37,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2022-12-13 15:11:37,793 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 15:11:37,793 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 15:11:37,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2022-12-13 15:11:37,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2022-12-13 15:11:37,996 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-12-13 15:11:37,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 15:11:37,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1484246989, now seen corresponding path program 1 times
[2022-12-13 15:11:37,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 15:11:37,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [254531085]
[2022-12-13 15:11:37,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 15:11:38,000 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2022-12-13 15:11:38,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat
[2022-12-13 15:11:38,003 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-12-13 15:11:38,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2022-12-13 15:11:38,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 15:11:38,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 9 conjunts are in the unsatisfiable core
[2022-12-13 15:11:38,503 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 15:11:38,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 15:11:38,659 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 15:11:38,659 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 15:11:38,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [254531085]
[2022-12-13 15:11:38,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [254531085] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 15:11:38,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 15:11:38,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-12-13 15:11:38,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562022456]
[2022-12-13 15:11:38,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 15:11:38,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-12-13 15:11:38,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 15:11:38,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-12-13 15:11:38,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-12-13 15:11:38,663 INFO L87 Difference]: Start difference. First operand 27 states and 37 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 15:11:40,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2022-12-13 15:11:43,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2022-12-13 15:11:43,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 15:11:43,087 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions.
[2022-12-13 15:11:43,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2022-12-13 15:11:43,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2022-12-13 15:11:43,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 15:11:43,206 INFO L225 Difference]: With dead ends: 37
[2022-12-13 15:11:43,206 INFO L226 Difference]: Without dead ends: 32
[2022-12-13 15:11:43,206 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-12-13 15:11:43,207 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 28 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time
[2022-12-13 15:11:43,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 65 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time]
[2022-12-13 15:11:43,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2022-12-13 15:11:43,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27.
[2022-12-13 15:11:43,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 26 states have internal predecessors, (36), 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)
[2022-12-13 15:11:43,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions.
[2022-12-13 15:11:43,211 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10
[2022-12-13 15:11:43,212 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 15:11:43,212 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions.
[2022-12-13 15:11:43,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 15:11:43,212 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions.
[2022-12-13 15:11:43,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-12-13 15:11:43,212 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 15:11:43,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 15:11:43,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2022-12-13 15:11:43,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2022-12-13 15:11:43,415 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-12-13 15:11:43,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 15:11:43,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1245975282, now seen corresponding path program 1 times
[2022-12-13 15:11:43,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 15:11:43,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1443586156]
[2022-12-13 15:11:43,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 15:11:43,419 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2022-12-13 15:11:43,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat
[2022-12-13 15:11:43,420 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-12-13 15:11:43,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2022-12-13 15:11:43,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-12-13 15:11:43,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 12 conjunts are in the unsatisfiable core
[2022-12-13 15:11:43,971 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-12-13 15:11:44,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-12-13 15:11:44,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-12-13 15:11:44,493 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-12-13 15:11:44,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1443586156]
[2022-12-13 15:11:44,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1443586156] provided 1 perfect and 0 imperfect interpolant sequences
[2022-12-13 15:11:44,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-12-13 15:11:44,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-12-13 15:11:44,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579076152]
[2022-12-13 15:11:44,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-12-13 15:11:44,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-12-13 15:11:44,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-12-13 15:11:44,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-12-13 15:11:44,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-12-13 15:11:44,496 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 15:11:47,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-12-13 15:11:49,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-12-13 15:11:52,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-12-13 15:11:54,803 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-12-13 15:11:56,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-12-13 15:11:58,809 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-12-13 15:12:01,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-12-13 15:12:03,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-12-13 15:12:04,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-12-13 15:12:06,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-12-13 15:12:08,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-12-13 15:12:10,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-12-13 15:12:12,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-12-13 15:12:14,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-12-13 15:12:16,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-12-13 15:12:17,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2022-12-13 15:12:18,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-12-13 15:12:18,003 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions.
[2022-12-13 15:12:18,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-12-13 15:12:18,003 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11
[2022-12-13 15:12:18,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-12-13 15:12:18,004 INFO L225 Difference]: With dead ends: 37
[2022-12-13 15:12:18,004 INFO L226 Difference]: Without dead ends: 32
[2022-12-13 15:12:18,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2022-12-13 15:12:18,005 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 23 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.2s IncrementalHoareTripleChecker+Time
[2022-12-13 15:12:18,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 94 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 14 Unknown, 0 Unchecked, 33.2s Time]
[2022-12-13 15:12:18,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2022-12-13 15:12:18,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 27.
[2022-12-13 15:12:18,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.3076923076923077) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 15:12:18,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions.
[2022-12-13 15:12:18,010 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 34 transitions. Word has length 11
[2022-12-13 15:12:18,010 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-12-13 15:12:18,010 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 34 transitions.
[2022-12-13 15:12:18,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-12-13 15:12:18,010 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions.
[2022-12-13 15:12:18,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2022-12-13 15:12:18,010 INFO L187 NwaCegarLoop]: Found error trace
[2022-12-13 15:12:18,011 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-12-13 15:12:18,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2022-12-13 15:12:18,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2022-12-13 15:12:18,212 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-12-13 15:12:18,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-12-13 15:12:18,214 INFO L85 PathProgramCache]: Analyzing trace with hash 933407232, now seen corresponding path program 1 times
[2022-12-13 15:12:18,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-12-13 15:12:18,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1985782719]
[2022-12-13 15:12:18,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-12-13 15:12:18,216 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2022-12-13 15:12:18,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat
[2022-12-13 15:12:18,219 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-12-13 15:12:18,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2022-12-13 15:12:18,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 139
[2022-12-13 15:12:18,525 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception:
java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5) with exit command (exit)) Received EOF on stdin. No stderr output.
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:236)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.<init>(InterpolatingTraceCheck.java:91)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:132)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:154)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124)
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: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5) with exit command (exit)) Received EOF on stdin. No stderr output.
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262)
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.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:215)
... 30 more
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:239)
... 37 more
[2022-12-13 15:12:18,527 INFO L158 Benchmark]: Toolchain (without parser) took 59578.21ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 45.1MB in the beginning and 49.5MB in the end (delta: -4.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB.
[2022-12-13 15:12:18,528 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 50.3MB. Free memory was 29.1MB in the beginning and 29.0MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 15:12:18,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.49ms. Allocated memory is still 67.1MB. Free memory was 45.0MB in the beginning and 47.6MB in the end (delta: -2.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB.
[2022-12-13 15:12:18,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.33ms. Allocated memory is still 67.1MB. Free memory was 47.6MB in the beginning and 45.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-12-13 15:12:18,528 INFO L158 Benchmark]: Boogie Preprocessor took 34.87ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 43.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-12-13 15:12:18,529 INFO L158 Benchmark]: RCFGBuilder took 17850.09ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 43.4MB in the beginning and 57.6MB in the end (delta: -14.2MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB.
[2022-12-13 15:12:18,529 INFO L158 Benchmark]: TraceAbstraction took 41382.94ms. Allocated memory is still 81.8MB. Free memory was 57.2MB in the beginning and 49.5MB in the end (delta: 7.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB.
[2022-12-13 15:12:18,530 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.10ms. Allocated memory is still 50.3MB. Free memory was 29.1MB in the beginning and 29.0MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 257.49ms. Allocated memory is still 67.1MB. Free memory was 45.0MB in the beginning and 47.6MB in the end (delta: -2.6MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 47.33ms. Allocated memory is still 67.1MB. Free memory was 47.6MB in the beginning and 45.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 34.87ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 43.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 17850.09ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 43.4MB in the beginning and 57.6MB in the end (delta: -14.2MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 41382.94ms. Allocated memory is still 81.8MB. Free memory was 57.2MB in the beginning and 49.5MB in the end (delta: 7.7MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5) with exit command (exit)) Received EOF on stdin. No stderr output.
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.<init>(TraceCheck.java:236)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2022-12-13 15:12:18,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52d89bcf-1ef9-46af-ae13-90542682d4ed/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5) with exit command (exit)) Received EOF on stdin. No stderr output.