./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1031.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 5e519f3a
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_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1031.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc --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 635b3a6bb693049216965e64098ae1bc2a282d094f3ff6d9621a11efee2ca89f
--- 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-5e519f3
[2022-11-02 20:52:26,854 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:52:26,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:52:26,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:52:26,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:52:26,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:52:26,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:52:26,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:52:26,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:52:26,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:52:26,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:52:26,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:52:26,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:52:26,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:52:26,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:52:26,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:52:26,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:52:26,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:52:26,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:52:26,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:52:26,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:52:26,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:52:26,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:52:26,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:52:26,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:52:26,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:52:26,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:52:26,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:52:26,940 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:52:26,941 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:52:26,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:52:26,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:52:26,943 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:52:26,944 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:52:26,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:52:26,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:52:26,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:52:26,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:52:26,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:52:26,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:52:26,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:52:26,950 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 20:52:26,991 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:52:26,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:52:26,993 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:52:26,993 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:52:26,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:52:26,994 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:52:26,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:52:26,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:52:26,995 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:52:26,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:52:26,996 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:52:26,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:52:26,997 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:52:26,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:52:26,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:52:26,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:52:26,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:52:26,998 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:52:26,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:52:26,998 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:52:26,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:52:26,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:52:26,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:52:26,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:52:26,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:52:26,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:52:26,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:52:26,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:52:27,000 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:52:27,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:52:27,000 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:52:27,000 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:52:27,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:52:27,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 635b3a6bb693049216965e64098ae1bc2a282d094f3ff6d9621a11efee2ca89f
[2022-11-02 20:52:27,276 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:52:27,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:52:27,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:52:27,309 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:52:27,310 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:52:27,311 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/float-newlib/float_req_bl_1031.c
[2022-11-02 20:52:27,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/data/00eb25a4b/bb1e5ba164b94f4a8b80df8778df2eea/FLAGa45265fd1
[2022-11-02 20:52:27,944 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:52:27,944 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/sv-benchmarks/c/float-newlib/float_req_bl_1031.c
[2022-11-02 20:52:27,951 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/data/00eb25a4b/bb1e5ba164b94f4a8b80df8778df2eea/FLAGa45265fd1
[2022-11-02 20:52:28,332 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/data/00eb25a4b/bb1e5ba164b94f4a8b80df8778df2eea
[2022-11-02 20:52:28,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:52:28,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:52:28,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:52:28,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:52:28,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:52:28,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:52:28" (1/1) ...
[2022-11-02 20:52:28,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e96210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:28, skipping insertion in model container
[2022-11-02 20:52:28,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:52:28" (1/1) ...
[2022-11-02 20:52:28,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:52:28,372 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:52:28,639 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/sv-benchmarks/c/float-newlib/float_req_bl_1031.c[1571,1584]
[2022-11-02 20:52:28,647 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:52:28,658 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:52:28,696 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/sv-benchmarks/c/float-newlib/float_req_bl_1031.c[1571,1584]
[2022-11-02 20:52:28,696 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:52:28,710 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:52:28,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:28 WrapperNode
[2022-11-02 20:52:28,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:52:28,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:52:28,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:52:28,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:52:28,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:28" (1/1) ...
[2022-11-02 20:52:28,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:28" (1/1) ...
[2022-11-02 20:52:28,761 INFO L138 Inliner]: procedures = 16, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71
[2022-11-02 20:52:28,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:52:28,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:52:28,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:52:28,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:52:28,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:28" (1/1) ...
[2022-11-02 20:52:28,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:28" (1/1) ...
[2022-11-02 20:52:28,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:28" (1/1) ...
[2022-11-02 20:52:28,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:28" (1/1) ...
[2022-11-02 20:52:28,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:28" (1/1) ...
[2022-11-02 20:52:28,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:28" (1/1) ...
[2022-11-02 20:52:28,786 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:28" (1/1) ...
[2022-11-02 20:52:28,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:28" (1/1) ...
[2022-11-02 20:52:28,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:52:28,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:52:28,790 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:52:28,790 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:52:28,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:28" (1/1) ...
[2022-11-02 20:52:28,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:52:28,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:52:28,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:52:28,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:52:28,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:52:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:52:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 20:52:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~real
[2022-11-02 20:52:28,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2022-11-02 20:52:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~real
[2022-11-02 20:52:28,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:52:28,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:52:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2022-11-02 20:52:28,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 20:52:29,014 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:52:29,017 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:52:29,295 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:52:29,306 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:52:29,306 INFO L300 CfgBuilder]: Removed 4 assume(true) statements.
[2022-11-02 20:52:29,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:29 BoogieIcfgContainer
[2022-11-02 20:52:29,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:52:29,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:52:29,314 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:52:29,319 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:52:29,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:52:28" (1/3) ...
[2022-11-02 20:52:29,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13804812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:52:29, skipping insertion in model container
[2022-11-02 20:52:29,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:28" (2/3) ...
[2022-11-02 20:52:29,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13804812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:52:29, skipping insertion in model container
[2022-11-02 20:52:29,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:29" (3/3) ...
[2022-11-02 20:52:29,322 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1031.c
[2022-11-02 20:52:29,345 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:52:29,346 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:52:29,419 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:52:29,428 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;@1f8fbe8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:52:29,428 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:52:29,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:52:29,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2022-11-02 20:52:29,440 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:52:29,440 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:29,441 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:52:29,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:29,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1590434411, now seen corresponding path program 1 times
[2022-11-02 20:52:29,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:29,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665725934]
[2022-11-02 20:52:29,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:29,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:29,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:29,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:29,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:52:29,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665725934]
[2022-11-02 20:52:29,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665725934] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:29,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:29,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:52:29,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464229773]
[2022-11-02 20:52:29,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:29,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-02 20:52:29,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:52:29,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-02 20:52:29,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:52:29,718 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:52:29,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:52:29,740 INFO L93 Difference]: Finished difference Result 40 states and 58 transitions.
[2022-11-02 20:52:29,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-02 20:52:29,743 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2022-11-02 20:52:29,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:52:29,753 INFO L225 Difference]: With dead ends: 40
[2022-11-02 20:52:29,753 INFO L226 Difference]: Without dead ends: 18
[2022-11-02 20:52:29,756 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
[2022-11-02 20:52:29,760 INFO L413 NwaCegarLoop]: 25 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, 25 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
[2022-11-02 20:52:29,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:52:29,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2022-11-02 20:52:29,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2022-11-02 20:52:29,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:52:29,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions.
[2022-11-02 20:52:29,794 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 10
[2022-11-02 20:52:29,795 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:52:29,795 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions.
[2022-11-02 20:52:29,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:52:29,796 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions.
[2022-11-02 20:52:29,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-11-02 20:52:29,796 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:52:29,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:29,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:52:29,797 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:52:29,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:29,799 INFO L85 PathProgramCache]: Analyzing trace with hash -744872786, now seen corresponding path program 1 times
[2022-11-02 20:52:29,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:52:29,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918297577]
[2022-11-02 20:52:29,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:29,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:52:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:52:29,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:52:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:52:30,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:52:30,006 INFO L359 BasicCegarLoop]: Counterexample is feasible
[2022-11-02 20:52:30,007 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:52:30,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:52:30,017 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1]
[2022-11-02 20:52:30,021 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:52:30,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:52:30 BoogieIcfgContainer
[2022-11-02 20:52:30,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:52:30,057 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:52:30,057 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:52:30,057 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:52:30,058 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:29" (3/4) ...
[2022-11-02 20:52:30,061 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2022-11-02 20:52:30,061 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:52:30,063 INFO L158 Benchmark]: Toolchain (without parser) took 1726.15ms. Allocated memory was 109.1MB in the beginning and 148.9MB in the end (delta: 39.8MB). Free memory was 80.1MB in the beginning and 121.6MB in the end (delta: -41.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:52:30,064 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:52:30,067 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.55ms. Allocated memory was 109.1MB in the beginning and 148.9MB in the end (delta: 39.8MB). Free memory was 80.1MB in the beginning and 124.2MB in the end (delta: -44.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 20:52:30,068 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.90ms. Allocated memory is still 148.9MB. Free memory was 124.2MB in the beginning and 122.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:52:30,071 INFO L158 Benchmark]: Boogie Preprocessor took 26.59ms. Allocated memory is still 148.9MB. Free memory was 122.3MB in the beginning and 121.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:52:30,072 INFO L158 Benchmark]: RCFGBuilder took 518.30ms. Allocated memory is still 148.9MB. Free memory was 121.0MB in the beginning and 108.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-02 20:52:30,072 INFO L158 Benchmark]: TraceAbstraction took 742.11ms. Allocated memory is still 148.9MB. Free memory was 107.4MB in the beginning and 121.6MB in the end (delta: -14.2MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB.
[2022-11-02 20:52:30,072 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 148.9MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:52:30,079 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 373.55ms. Allocated memory was 109.1MB in the beginning and 148.9MB in the end (delta: 39.8MB). Free memory was 80.1MB in the beginning and 124.2MB in the end (delta: -44.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 49.90ms. Allocated memory is still 148.9MB. Free memory was 124.2MB in the beginning and 122.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 26.59ms. Allocated memory is still 148.9MB. Free memory was 122.3MB in the beginning and 121.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 518.30ms. Allocated memory is still 148.9MB. Free memory was 121.0MB in the beginning and 108.1MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 742.11ms. Allocated memory is still 148.9MB. Free memory was 107.4MB in the beginning and 121.6MB in the end (delta: -14.2MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB.
* Witness Printer took 4.96ms. Allocated memory is still 148.9MB. Free memory is still 121.6MB. 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: 72]: 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 57, overapproximation of someBinaryArithmeticFLOAToperation at line 44, overapproximation of bitwiseAnd at line 24.
Possible FailurePath:
[L67] float x = 0.0f / 0.0f;
[L68] CALL, EXPR round_float(x)
[L14] __uint32_t w;
[L16] int exponent_less_127;
VAL [\old(x)=2139095050, x=2139095050]
[L19] ieee_float_shape_type gf_u;
[L20] gf_u.value = (x)
[L21] EXPR gf_u.word
[L21] (w) = gf_u.word
[L24] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127
VAL [\old(x)=2139095050, exponent_less_127=128, w=2139095041, x=2139095050]
[L26] COND FALSE !(exponent_less_127 < 23)
VAL [\old(x)=2139095050, exponent_less_127=128, w=2139095041, x=2139095050]
[L42] COND TRUE exponent_less_127 == 128
[L44] return x + x;
VAL [\old(x)=2139095050, exponent_less_127=128, w=2139095041, x=2139095050]
[L68] RET, EXPR round_float(x)
[L68] float res = round_float(x);
[L71] CALL, EXPR isnan_float(res)
[L57] return x != x;
VAL [\old(x)=2139095049, \result=0, x=2139095049]
[L71] RET, EXPR isnan_float(res)
[L71] COND TRUE !isnan_float(res)
[L72] reach_error()
VAL [res=2139095049, x=2139095050]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 25 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, 25 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=21occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2022-11-02 20:52:30,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/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_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1031.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc --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 635b3a6bb693049216965e64098ae1bc2a282d094f3ff6d9621a11efee2ca89f
--- 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-5e519f3
[2022-11-02 20:52:32,423 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:52:32,426 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:52:32,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:52:32,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:52:32,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:52:32,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:52:32,480 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:52:32,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:52:32,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:52:32,491 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:52:32,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:52:32,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:52:32,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:52:32,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:52:32,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:52:32,503 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:52:32,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:52:32,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:52:32,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:52:32,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:52:32,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:52:32,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:52:32,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:52:32,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:52:32,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:52:32,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:52:32,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:52:32,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:52:32,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:52:32,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:52:32,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:52:32,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:52:32,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:52:32,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:52:32,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:52:32,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:52:32,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:52:32,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:52:32,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:52:32,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:52:32,540 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2022-11-02 20:52:32,577 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:52:32,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:52:32,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:52:32,579 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:52:32,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:52:32,580 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:52:32,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:52:32,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:52:32,582 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:52:32,582 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:52:32,583 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:52:32,583 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:52:32,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:52:32,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:52:32,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:52:32,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:52:32,584 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-11-02 20:52:32,585 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2022-11-02 20:52:32,585 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2022-11-02 20:52:32,585 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:52:32,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:52:32,585 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:52:32,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:52:32,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:52:32,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:52:32,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:52:32,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:52:32,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:52:32,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:52:32,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:52:32,587 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2022-11-02 20:52:32,587 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2022-11-02 20:52:32,588 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:52:32,588 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:52:32,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:52:32,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-11-02 20:52:32,588 INFO L138 SettingsManager]: * Logic for external solver=AUFBV
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 635b3a6bb693049216965e64098ae1bc2a282d094f3ff6d9621a11efee2ca89f
[2022-11-02 20:52:33,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:52:33,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:52:33,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:52:33,033 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:52:33,034 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:52:33,035 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/float-newlib/float_req_bl_1031.c
[2022-11-02 20:52:33,109 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/data/9268f979b/ecb5096e992f4e34889cd3143ca2ee86/FLAG48da0aa78
[2022-11-02 20:52:33,687 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:52:33,688 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/sv-benchmarks/c/float-newlib/float_req_bl_1031.c
[2022-11-02 20:52:33,694 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/data/9268f979b/ecb5096e992f4e34889cd3143ca2ee86/FLAG48da0aa78
[2022-11-02 20:52:33,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/data/9268f979b/ecb5096e992f4e34889cd3143ca2ee86
[2022-11-02 20:52:33,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:52:33,713 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:52:33,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:52:33,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:52:33,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:52:33,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:52:33" (1/1) ...
[2022-11-02 20:52:33,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a7faca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:33, skipping insertion in model container
[2022-11-02 20:52:33,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:52:33" (1/1) ...
[2022-11-02 20:52:33,728 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:52:33,742 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:52:33,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/sv-benchmarks/c/float-newlib/float_req_bl_1031.c[1571,1584]
[2022-11-02 20:52:33,990 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:52:34,004 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:52:34,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/sv-benchmarks/c/float-newlib/float_req_bl_1031.c[1571,1584]
[2022-11-02 20:52:34,029 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:52:34,046 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:52:34,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:34 WrapperNode
[2022-11-02 20:52:34,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:52:34,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:52:34,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:52:34,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:52:34,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:34" (1/1) ...
[2022-11-02 20:52:34,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:34" (1/1) ...
[2022-11-02 20:52:34,089 INFO L138 Inliner]: procedures = 19, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71
[2022-11-02 20:52:34,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:52:34,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:52:34,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:52:34,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:52:34,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:34" (1/1) ...
[2022-11-02 20:52:34,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:34" (1/1) ...
[2022-11-02 20:52:34,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:34" (1/1) ...
[2022-11-02 20:52:34,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:34" (1/1) ...
[2022-11-02 20:52:34,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:34" (1/1) ...
[2022-11-02 20:52:34,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:34" (1/1) ...
[2022-11-02 20:52:34,124 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:34" (1/1) ...
[2022-11-02 20:52:34,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:34" (1/1) ...
[2022-11-02 20:52:34,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:52:34,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:52:34,134 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:52:34,134 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:52:34,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:34" (1/1) ...
[2022-11-02 20:52:34,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:52:34,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:52:34,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:52:34,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:52:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:52:34,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-11-02 20:52:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-11-02 20:52:34,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4
[2022-11-02 20:52:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2022-11-02 20:52:34,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:52:34,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:52:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4
[2022-11-02 20:52:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2022-11-02 20:52:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-11-02 20:52:34,343 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:52:34,345 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:52:34,677 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:52:34,683 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:52:34,683 INFO L300 CfgBuilder]: Removed 4 assume(true) statements.
[2022-11-02 20:52:34,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:34 BoogieIcfgContainer
[2022-11-02 20:52:34,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:52:34,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:52:34,701 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:52:34,704 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:52:34,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:52:33" (1/3) ...
[2022-11-02 20:52:34,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69f44e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:52:34, skipping insertion in model container
[2022-11-02 20:52:34,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:52:34" (2/3) ...
[2022-11-02 20:52:34,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69f44e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:52:34, skipping insertion in model container
[2022-11-02 20:52:34,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:34" (3/3) ...
[2022-11-02 20:52:34,708 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1031.c
[2022-11-02 20:52:34,748 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:52:34,749 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:52:34,865 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:52:34,878 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;@4c57f4a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:52:34,879 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:52:34,884 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:52:34,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2022-11-02 20:52:34,892 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:52:34,893 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:34,894 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:52:34,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:34,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1590434411, now seen corresponding path program 1 times
[2022-11-02 20:52:34,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:52:34,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [734729250]
[2022-11-02 20:52:34,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:34,915 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:52:34,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:52:34,921 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:52:34,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2022-11-02 20:52:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:35,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core
[2022-11-02 20:52:35,076 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:52:35,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:35,097 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:52:35,098 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:52:35,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [734729250]
[2022-11-02 20:52:35,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [734729250] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:35,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:35,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:52:35,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915790723]
[2022-11-02 20:52:35,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:35,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-02 20:52:35,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:52:35,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-02 20:52:35,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:52:35,148 INFO L87 Difference]: Start difference. First operand has 21 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:52:35,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:52:35,169 INFO L93 Difference]: Finished difference Result 40 states and 58 transitions.
[2022-11-02 20:52:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-02 20:52:35,171 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2022-11-02 20:52:35,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:52:35,182 INFO L225 Difference]: With dead ends: 40
[2022-11-02 20:52:35,182 INFO L226 Difference]: Without dead ends: 18
[2022-11-02 20:52:35,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:52:35,190 INFO L413 NwaCegarLoop]: 25 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, 25 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
[2022-11-02 20:52:35,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:52:35,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states.
[2022-11-02 20:52:35,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18.
[2022-11-02 20:52:35,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:52:35,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions.
[2022-11-02 20:52:35,238 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 10
[2022-11-02 20:52:35,239 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:52:35,239 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions.
[2022-11-02 20:52:35,240 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:52:35,240 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions.
[2022-11-02 20:52:35,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2022-11-02 20:52:35,241 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:52:35,241 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:35,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2022-11-02 20:52:35,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:52:35,456 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:52:35,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:35,457 INFO L85 PathProgramCache]: Analyzing trace with hash -744872786, now seen corresponding path program 1 times
[2022-11-02 20:52:35,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:52:35,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [686059931]
[2022-11-02 20:52:35,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:35,458 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:52:35,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:52:35,460 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:52:35,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2022-11-02 20:52:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:35,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 11 conjunts are in the unsatisfiable core
[2022-11-02 20:52:35,573 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:52:35,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:35,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:52:35,742 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:52:35,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [686059931]
[2022-11-02 20:52:35,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [686059931] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:35,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:35,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-11-02 20:52:35,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987333538]
[2022-11-02 20:52:35,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:35,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-11-02 20:52:35,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:52:35,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-11-02 20:52:35,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2022-11-02 20:52:35,747 INFO L87 Difference]: Start difference. First operand 18 states and 22 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)
[2022-11-02 20:52:35,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:52:35,914 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions.
[2022-11-02 20:52:35,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2022-11-02 20:52:35,915 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
[2022-11-02 20:52:35,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:52:35,915 INFO L225 Difference]: With dead ends: 23
[2022-11-02 20:52:35,915 INFO L226 Difference]: Without dead ends: 17
[2022-11-02 20:52:35,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90
[2022-11-02 20:52:35,917 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 37 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2022-11-02 20:52:35,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 64 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2022-11-02 20:52:35,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states.
[2022-11-02 20:52:35,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17.
[2022-11-02 20:52:35,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.125) internal successors, (18), 16 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:52:35,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions.
[2022-11-02 20:52:35,922 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 11
[2022-11-02 20:52:35,922 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:52:35,923 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions.
[2022-11-02 20:52:35,923 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)
[2022-11-02 20:52:35,923 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions.
[2022-11-02 20:52:35,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2022-11-02 20:52:35,924 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:52:35,924 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:52:35,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2022-11-02 20:52:36,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:52:36,145 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:52:36,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:52:36,146 INFO L85 PathProgramCache]: Analyzing trace with hash 812423977, now seen corresponding path program 1 times
[2022-11-02 20:52:36,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:52:36,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574723951]
[2022-11-02 20:52:36,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:52:36,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:52:36,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:52:36,158 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:52:36,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2022-11-02 20:52:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:52:36,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 10 conjunts are in the unsatisfiable core
[2022-11-02 20:52:36,275 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:52:36,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:52:36,466 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:52:36,467 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:52:36,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574723951]
[2022-11-02 20:52:36,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [574723951] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:52:36,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:52:36,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:52:36,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062110394]
[2022-11-02 20:52:36,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:52:36,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2022-11-02 20:52:36,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:52:36,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:52:36,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:52:36,469 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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)
[2022-11-02 20:52:36,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:52:36,474 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions.
[2022-11-02 20:52:36,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2022-11-02 20:52:36,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2022-11-02 20:52:36,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:52:36,475 INFO L225 Difference]: With dead ends: 17
[2022-11-02 20:52:36,475 INFO L226 Difference]: Without dead ends: 0
[2022-11-02 20:52:36,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:52:36,479 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:52:36,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 4 Unchecked, 0.0s Time]
[2022-11-02 20:52:36,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:52:36,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:52:36,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:52:36,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:52:36,483 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15
[2022-11-02 20:52:36,483 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:52:36,483 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:52:36,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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)
[2022-11-02 20:52:36,484 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:52:36,484 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:52:36,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:52:36,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2022-11-02 20:52:36,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:52:36,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-02 20:52:36,762 INFO L899 garLoopResultBuilder]: For program point L27(lines 27 40) no Hoare annotation was computed.
[2022-11-02 20:52:36,762 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 52) no Hoare annotation was computed.
[2022-11-02 20:52:36,762 INFO L895 garLoopResultBuilder]: At program point L48-1(lines 13 54) the Hoare annotation is: false
[2022-11-02 20:52:36,763 INFO L899 garLoopResultBuilder]: For program point L48-2(lines 48 52) no Hoare annotation was computed.
[2022-11-02 20:52:36,763 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-02 20:52:36,763 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-02 20:52:36,763 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-02 20:52:36,764 INFO L895 garLoopResultBuilder]: At program point L57(line 57) the Hoare annotation is: (and (= |ULTIMATE.start_round_float_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse0 .cse0))) (= |ULTIMATE.start_round_float_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|))
[2022-11-02 20:52:36,765 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 72) no Hoare annotation was computed.
[2022-11-02 20:52:36,765 INFO L895 garLoopResultBuilder]: At program point L53(lines 13 54) the Hoare annotation is: (and (= |ULTIMATE.start_round_float_#res#1| (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse0 .cse0))) (= |ULTIMATE.start_round_float_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))
[2022-11-02 20:52:36,765 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-02 20:52:36,766 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 31) no Hoare annotation was computed.
[2022-11-02 20:52:36,766 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 46) no Hoare annotation was computed.
[2022-11-02 20:52:36,766 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 74) no Hoare annotation was computed.
[2022-11-02 20:52:36,767 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed.
[2022-11-02 20:52:36,767 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 47) no Hoare annotation was computed.
[2022-11-02 20:52:36,767 INFO L899 garLoopResultBuilder]: For program point L18-1(lines 18 22) no Hoare annotation was computed.
[2022-11-02 20:52:36,767 INFO L895 garLoopResultBuilder]: At program point L18-2(lines 18 22) the Hoare annotation is: (and (= |ULTIMATE.start_round_float_~x#1| (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24))) (= currentRoundingMode roundNearestTiesToEven))
[2022-11-02 20:52:36,767 INFO L899 garLoopResultBuilder]: For program point L18-3(lines 18 22) no Hoare annotation was computed.
[2022-11-02 20:52:36,769 INFO L902 garLoopResultBuilder]: At program point L76(lines 59 77) the Hoare annotation is: true
[2022-11-02 20:52:36,772 INFO L899 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed.
[2022-11-02 20:52:36,777 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2022-11-02 20:52:36,784 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:52:36,818 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,822 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,825 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,825 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,826 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,826 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,827 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,828 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,828 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,829 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,830 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,830 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,831 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,831 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,831 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,832 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,832 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,832 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:52:36 BoogieIcfgContainer
[2022-11-02 20:52:36,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:52:36,833 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:52:36,833 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:52:36,834 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:52:36,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:52:34" (3/4) ...
[2022-11-02 20:52:36,841 INFO L137 WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:52:36,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2022-11-02 20:52:36,855 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2022-11-02 20:52:36,856 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:52:36,856 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:52:36,880 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven
[2022-11-02 20:52:36,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result
[2022-11-02 20:52:36,893 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:52:36,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:52:36,894 INFO L158 Benchmark]: Toolchain (without parser) took 3180.72ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 35.8MB in the beginning and 59.1MB in the end (delta: -23.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:52:36,894 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:52:36,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.97ms. Allocated memory is still 58.7MB. Free memory was 35.7MB in the beginning and 40.0MB in the end (delta: -4.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:52:36,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.63ms. Allocated memory is still 58.7MB. Free memory was 39.8MB in the beginning and 38.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:52:36,896 INFO L158 Benchmark]: Boogie Preprocessor took 42.63ms. Allocated memory is still 58.7MB. Free memory was 38.2MB in the beginning and 36.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:52:36,896 INFO L158 Benchmark]: RCFGBuilder took 564.36ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 36.5MB in the beginning and 62.4MB in the end (delta: -25.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB.
[2022-11-02 20:52:36,897 INFO L158 Benchmark]: TraceAbstraction took 2132.30ms. Allocated memory is still 81.8MB. Free memory was 61.7MB in the beginning and 62.1MB in the end (delta: -426.3kB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB.
[2022-11-02 20:52:36,897 INFO L158 Benchmark]: Witness Printer took 59.74ms. Allocated memory is still 81.8MB. Free memory was 62.1MB in the beginning and 59.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2022-11-02 20:52:36,900 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory was 39.1MB in the beginning and 39.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 332.97ms. Allocated memory is still 58.7MB. Free memory was 35.7MB in the beginning and 40.0MB in the end (delta: -4.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 41.63ms. Allocated memory is still 58.7MB. Free memory was 39.8MB in the beginning and 38.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 42.63ms. Allocated memory is still 58.7MB. Free memory was 38.2MB in the beginning and 36.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 564.36ms. Allocated memory was 58.7MB in the beginning and 81.8MB in the end (delta: 23.1MB). Free memory was 36.5MB in the beginning and 62.4MB in the end (delta: -25.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 2132.30ms. Allocated memory is still 81.8MB. Free memory was 61.7MB in the beginning and 62.1MB in the end (delta: -426.3kB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB.
* Witness Printer took 59.74ms. Allocated memory is still 81.8MB. Free memory was 62.1MB in the beginning and 59.1MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor:
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
- GenericResult: Unfinished Backtranslation
Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 72]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 97 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 4 IncrementalHoareTripleChecker+Unchecked, 54 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 43 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 9 NumberOfFragments, 59 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 4 QuantifiedInterpolants, 148 SizeOfPredicates, 16 NumberOfNonLiveVariables, 129 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 18]: Loop Invariant
[2022-11-02 20:52:36,910 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,910 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
Derived loop invariant: x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven
- InvariantResult [Line: 13]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 57]: Loop Invariant
[2022-11-02 20:52:36,911 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,911 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,911 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,911 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,912 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,912 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,912 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,912 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
Derived loop invariant: ((\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result
- InvariantResult [Line: 13]: Loop Invariant
[2022-11-02 20:52:36,913 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,913 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,913 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,913 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,914 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,918 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,918 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
[2022-11-02 20:52:36,919 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven
Derived loop invariant: (\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven
- InvariantResult [Line: 59]: Loop Invariant
Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:52:36,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d8d9feb-41fb-4bee-845d-7f9eed2eee5b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE