./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i --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_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/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_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/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_d885a8fa-9003-424f-82f3-05debcb90954/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 ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa
--- 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 20:17:02,067 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:17:02,074 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:17:02,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:17:02,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:17:02,148 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:17:02,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:17:02,156 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:17:02,159 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:17:02,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:17:02,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:17:02,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:17:02,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:17:02,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:17:02,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:17:02,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:17:02,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:17:02,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:17:02,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:17:02,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:17:02,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:17:02,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:17:02,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:17:02,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:17:02,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:17:02,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:17:02,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:17:02,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:17:02,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:17:02,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:17:02,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:17:02,215 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:17:02,216 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:17:02,217 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:17:02,218 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:17:02,219 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:17:02,220 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:17:02,220 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:17:02,220 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:17:02,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:17:02,222 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:17:02,223 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 20:17:02,252 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:17:02,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:17:02,263 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:17:02,263 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:17:02,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:17:02,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:17:02,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:17:02,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:17:02,266 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:17:02,266 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:17:02,268 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:17:02,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:17:02,268 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:17:02,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:17:02,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:17:02,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:17:02,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:17:02,269 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:17:02,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:17:02,270 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:17:02,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:17:02,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:17:02,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:17:02,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:17:02,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:17:02,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:17:02,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:17:02,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:17:02,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:17:02,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:17:02,273 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:17:02,273 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:17:02,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:17:02,274 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_d885a8fa-9003-424f-82f3-05debcb90954/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa
[2022-11-02 20:17:02,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:17:02,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:17:02,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:17:02,748 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:17:02,749 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:17:02,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i
[2022-11-02 20:17:02,837 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/data/47c36a548/6ccbaca7ccc24332ba105dd40c1f5592/FLAGa92c2cbb7
[2022-11-02 20:17:03,350 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:17:03,356 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/sv-benchmarks/c/floats-cdfpl/newton_1_6.i
[2022-11-02 20:17:03,373 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/data/47c36a548/6ccbaca7ccc24332ba105dd40c1f5592/FLAGa92c2cbb7
[2022-11-02 20:17:03,720 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/data/47c36a548/6ccbaca7ccc24332ba105dd40c1f5592
[2022-11-02 20:17:03,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:17:03,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:17:03,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:17:03,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:17:03,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:17:03,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:17:03" (1/1) ...
[2022-11-02 20:17:03,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50f601c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:03, skipping insertion in model container
[2022-11-02 20:17:03,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:17:03" (1/1) ...
[2022-11-02 20:17:03,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:17:03,772 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:17:04,080 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_d885a8fa-9003-424f-82f3-05debcb90954/sv-benchmarks/c/floats-cdfpl/newton_1_6.i[1722,1735]
[2022-11-02 20:17:04,085 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:17:04,096 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:17:04,130 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_d885a8fa-9003-424f-82f3-05debcb90954/sv-benchmarks/c/floats-cdfpl/newton_1_6.i[1722,1735]
[2022-11-02 20:17:04,138 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:17:04,160 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:17:04,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:04 WrapperNode
[2022-11-02 20:17:04,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:17:04,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:17:04,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:17:04,163 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:17:04,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:04" (1/1) ...
[2022-11-02 20:17:04,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:04" (1/1) ...
[2022-11-02 20:17:04,203 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30
[2022-11-02 20:17:04,204 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:17:04,205 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:17:04,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:17:04,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:17:04,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:04" (1/1) ...
[2022-11-02 20:17:04,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:04" (1/1) ...
[2022-11-02 20:17:04,217 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:04" (1/1) ...
[2022-11-02 20:17:04,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:04" (1/1) ...
[2022-11-02 20:17:04,222 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:04" (1/1) ...
[2022-11-02 20:17:04,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:04" (1/1) ...
[2022-11-02 20:17:04,225 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:04" (1/1) ...
[2022-11-02 20:17:04,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:04" (1/1) ...
[2022-11-02 20:17:04,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:17:04,229 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:17:04,230 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:17:04,230 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:17:04,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:04" (1/1) ...
[2022-11-02 20:17:04,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:17:04,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:17:04,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:17:04,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:17:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:17:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:17:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:17:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:17:04,441 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:17:04,443 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:17:04,631 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:17:04,637 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:17:04,638 INFO L300 CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-02 20:17:04,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:17:04 BoogieIcfgContainer
[2022-11-02 20:17:04,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:17:04,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:17:04,643 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:17:04,660 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:17:04,660 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:17:03" (1/3) ...
[2022-11-02 20:17:04,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55285a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:17:04, skipping insertion in model container
[2022-11-02 20:17:04,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:04" (2/3) ...
[2022-11-02 20:17:04,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55285a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:17:04, skipping insertion in model container
[2022-11-02 20:17:04,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:17:04" (3/3) ...
[2022-11-02 20:17:04,663 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_6.i
[2022-11-02 20:17:04,713 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:17:04,714 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:17:04,828 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:17:04,838 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;@7d5dfaef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:17:04,852 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:17:04,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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 20:17:04,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2022-11-02 20:17:04,875 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:17:04,876 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:17:04,877 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:17:04,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:17:04,896 INFO L85 PathProgramCache]: Analyzing trace with hash 119351050, now seen corresponding path program 1 times
[2022-11-02 20:17:04,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:17:04,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885590138]
[2022-11-02 20:17:04,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:17:04,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:17:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:17:05,170 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 20:17:05,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:17:05,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885590138]
[2022-11-02 20:17:05,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885590138] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:17:05,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:17:05,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:17:05,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564792192]
[2022-11-02 20:17:05,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:17:05,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-02 20:17:05,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:17:05,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-02 20:17:05,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:17:05,228 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 20:17:05,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:17:05,241 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions.
[2022-11-02 20:17:05,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-02 20:17:05,242 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8
[2022-11-02 20:17:05,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:17:05,249 INFO L225 Difference]: With dead ends: 23
[2022-11-02 20:17:05,249 INFO L226 Difference]: Without dead ends: 9
[2022-11-02 20:17:05,252 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 20:17:05,256 INFO L413 NwaCegarLoop]: 12 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, 12 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 20:17:05,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:17:05,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2022-11-02 20:17:05,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2022-11-02 20:17:05,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 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 20:17:05,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions.
[2022-11-02 20:17:05,293 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 8
[2022-11-02 20:17:05,294 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:17:05,294 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions.
[2022-11-02 20:17:05,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 20:17:05,295 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions.
[2022-11-02 20:17:05,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2022-11-02 20:17:05,295 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:17:05,296 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:17:05,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-02 20:17:05,297 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:17:05,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:17:05,298 INFO L85 PathProgramCache]: Analyzing trace with hash 176609352, now seen corresponding path program 1 times
[2022-11-02 20:17:05,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:17:05,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711305761]
[2022-11-02 20:17:05,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:17:05,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:17:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:17:05,317 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:17:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:17:05,363 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:17:05,364 INFO L359 BasicCegarLoop]: Counterexample is feasible
[2022-11-02 20:17:05,373 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:17:05,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-02 20:17:05,383 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1]
[2022-11-02 20:17:05,388 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:17:05,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:17:05 BoogieIcfgContainer
[2022-11-02 20:17:05,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:17:05,441 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:17:05,441 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:17:05,442 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:17:05,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:17:04" (3/4) ...
[2022-11-02 20:17:05,445 INFO L140 WitnessPrinter]: No result that supports witness generation found
[2022-11-02 20:17:05,445 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:17:05,446 INFO L158 Benchmark]: Toolchain (without parser) took 1715.80ms. Allocated memory is still 121.6MB. Free memory was 78.9MB in the beginning and 58.5MB in the end (delta: 20.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB.
[2022-11-02 20:17:05,447 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 121.6MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:17:05,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.59ms. Allocated memory is still 121.6MB. Free memory was 78.7MB in the beginning and 94.6MB in the end (delta: -15.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2022-11-02 20:17:05,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.04ms. Allocated memory is still 121.6MB. Free memory was 94.6MB in the beginning and 93.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:17:05,448 INFO L158 Benchmark]: Boogie Preprocessor took 23.49ms. Allocated memory is still 121.6MB. Free memory was 93.1MB in the beginning and 92.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:17:05,449 INFO L158 Benchmark]: RCFGBuilder took 411.15ms. Allocated memory is still 121.6MB. Free memory was 92.0MB in the beginning and 83.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 20:17:05,449 INFO L158 Benchmark]: TraceAbstraction took 787.16ms. Allocated memory is still 121.6MB. Free memory was 82.5MB in the beginning and 59.0MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2022-11-02 20:17:05,450 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 121.6MB. Free memory was 59.0MB in the beginning and 58.5MB in the end (delta: 481.1kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:17:05,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.40ms. Allocated memory is still 121.6MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 427.59ms. Allocated memory is still 121.6MB. Free memory was 78.7MB in the beginning and 94.6MB in the end (delta: -15.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 42.04ms. Allocated memory is still 121.6MB. Free memory was 94.6MB in the beginning and 93.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 23.49ms. Allocated memory is still 121.6MB. Free memory was 93.1MB in the beginning and 92.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 411.15ms. Allocated memory is still 121.6MB. Free memory was 92.0MB in the beginning and 83.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 787.16ms. Allocated memory is still 121.6MB. Free memory was 82.5MB in the beginning and 59.0MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Witness Printer took 4.05ms. Allocated memory is still 121.6MB. Free memory was 59.0MB in the beginning and 58.5MB in the end (delta: 481.1kB). 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: 51]: 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 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 42.
Possible FailurePath:
[L39] float IN = __VERIFIER_nondet_float();
[L40] CALL assume_abort_if_not(IN > -1.2f && IN < 1.2f)
[L24] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1]
[L40] RET assume_abort_if_not(IN > -1.2f && IN < 1.2f)
[L42] CALL, EXPR f(IN)
[L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f;
VAL [\old(x)=53, x=53]
[L42] RET, EXPR f(IN)
[L42] CALL, EXPR fp(IN)
[L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f;
VAL [\old(x)=53, x=53]
[L42] RET, EXPR fp(IN)
[L42] float x = IN - f(IN)/fp(IN);
[L50] COND TRUE !(x < 0.1)
VAL [IN=53]
[L51] reach_error()
VAL [IN=53]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 13 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, 12 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, 12 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=13occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 20:17:05,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/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_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/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_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/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_d885a8fa-9003-424f-82f3-05debcb90954/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 ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa
--- 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 20:17:08,437 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:17:08,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:17:08,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:17:08,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:17:08,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:17:08,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:17:08,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:17:08,493 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:17:08,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:17:08,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:17:08,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:17:08,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:17:08,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:17:08,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:17:08,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:17:08,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:17:08,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:17:08,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:17:08,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:17:08,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:17:08,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:17:08,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:17:08,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:17:08,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:17:08,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:17:08,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:17:08,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:17:08,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:17:08,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:17:08,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:17:08,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:17:08,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:17:08,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:17:08,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:17:08,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:17:08,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:17:08,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:17:08,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:17:08,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:17:08,556 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:17:08,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2022-11-02 20:17:08,587 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:17:08,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:17:08,588 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:17:08,588 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:17:08,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:17:08,589 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:17:08,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:17:08,591 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:17:08,591 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:17:08,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:17:08,592 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:17:08,592 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:17:08,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:17:08,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:17:08,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:17:08,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:17:08,593 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2022-11-02 20:17:08,594 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true
[2022-11-02 20:17:08,594 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2022-11-02 20:17:08,594 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:17:08,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:17:08,595 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:17:08,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:17:08,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:17:08,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:17:08,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2022-11-02 20:17:08,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:17:08,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:17:08,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:17:08,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:17:08,597 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF
[2022-11-02 20:17:08,597 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2022-11-02 20:17:08,598 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:17:08,598 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:17:08,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:17:08,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2022-11-02 20:17:08,599 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_d885a8fa-9003-424f-82f3-05debcb90954/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa
[2022-11-02 20:17:09,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:17:09,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:17:09,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:17:09,050 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:17:09,054 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:17:09,056 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i
[2022-11-02 20:17:09,141 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/data/45a97aaba/b65df5ae0a5a4a0d94a4e8f85e5f8d40/FLAG7c2e39e97
[2022-11-02 20:17:09,776 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:17:09,788 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/sv-benchmarks/c/floats-cdfpl/newton_1_6.i
[2022-11-02 20:17:09,798 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/data/45a97aaba/b65df5ae0a5a4a0d94a4e8f85e5f8d40/FLAG7c2e39e97
[2022-11-02 20:17:10,138 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/data/45a97aaba/b65df5ae0a5a4a0d94a4e8f85e5f8d40
[2022-11-02 20:17:10,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:17:10,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:17:10,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:17:10,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:17:10,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:17:10,164 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:17:10" (1/1) ...
[2022-11-02 20:17:10,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1024df97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:10, skipping insertion in model container
[2022-11-02 20:17:10,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:17:10" (1/1) ...
[2022-11-02 20:17:10,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:17:10,201 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:17:10,466 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_d885a8fa-9003-424f-82f3-05debcb90954/sv-benchmarks/c/floats-cdfpl/newton_1_6.i[1722,1735]
[2022-11-02 20:17:10,478 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:17:10,499 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:17:10,583 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_d885a8fa-9003-424f-82f3-05debcb90954/sv-benchmarks/c/floats-cdfpl/newton_1_6.i[1722,1735]
[2022-11-02 20:17:10,583 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:17:10,618 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:17:10,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:10 WrapperNode
[2022-11-02 20:17:10,619 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:17:10,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:17:10,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:17:10,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:17:10,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:10" (1/1) ...
[2022-11-02 20:17:10,663 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:10" (1/1) ...
[2022-11-02 20:17:10,698 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31
[2022-11-02 20:17:10,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:17:10,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:17:10,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:17:10,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:17:10,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:10" (1/1) ...
[2022-11-02 20:17:10,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:10" (1/1) ...
[2022-11-02 20:17:10,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:10" (1/1) ...
[2022-11-02 20:17:10,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:10" (1/1) ...
[2022-11-02 20:17:10,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:10" (1/1) ...
[2022-11-02 20:17:10,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:10" (1/1) ...
[2022-11-02 20:17:10,742 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:10" (1/1) ...
[2022-11-02 20:17:10,744 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:10" (1/1) ...
[2022-11-02 20:17:10,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:17:10,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:17:10,758 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:17:10,759 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:17:10,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:10" (1/1) ...
[2022-11-02 20:17:10,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:17:10,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:17:10,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:17:10,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:17:10,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:17:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-11-02 20:17:10,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:17:10,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:17:10,940 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:17:10,943 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:17:17,524 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:17:17,530 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:17:17,530 INFO L300 CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-02 20:17:17,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:17:17 BoogieIcfgContainer
[2022-11-02 20:17:17,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:17:17,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:17:17,535 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:17:17,539 INFO L275 PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:17:17,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:17:10" (1/3) ...
[2022-11-02 20:17:17,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a1073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:17:17, skipping insertion in model container
[2022-11-02 20:17:17,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:17:10" (2/3) ...
[2022-11-02 20:17:17,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a1073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:17:17, skipping insertion in model container
[2022-11-02 20:17:17,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:17:17" (3/3) ...
[2022-11-02 20:17:17,544 INFO L112 eAbstractionObserver]: Analyzing ICFG newton_1_6.i
[2022-11-02 20:17:17,567 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:17:17,567 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:17:17,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:17:17,649 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;@395d6f71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:17:17,653 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:17:17,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 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 20:17:17,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2022-11-02 20:17:17,667 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:17:17,667 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:17:17,668 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:17:17,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:17:17,675 INFO L85 PathProgramCache]: Analyzing trace with hash 119351050, now seen corresponding path program 1 times
[2022-11-02 20:17:17,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:17:17,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1010298771]
[2022-11-02 20:17:17,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:17:17,693 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:17:17,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:17:17,698 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:17:17,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2022-11-02 20:17:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:17:19,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core
[2022-11-02 20:17:19,269 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:17:19,291 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 20:17:19,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:17:19,292 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:17:19,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1010298771]
[2022-11-02 20:17:19,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1010298771] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:17:19,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:17:19,294 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-02 20:17:19,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383683391]
[2022-11-02 20:17:19,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:17:19,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-02 20:17:19,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:17:19,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-02 20:17:19,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-02 20:17:19,343 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 20:17:19,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:17:19,360 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions.
[2022-11-02 20:17:19,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2022-11-02 20:17:19,363 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8
[2022-11-02 20:17:19,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:17:19,373 INFO L225 Difference]: With dead ends: 23
[2022-11-02 20:17:19,373 INFO L226 Difference]: Without dead ends: 9
[2022-11-02 20:17:19,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 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 20:17:19,382 INFO L413 NwaCegarLoop]: 12 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, 12 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 20:17:19,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:17:19,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states.
[2022-11-02 20:17:19,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9.
[2022-11-02 20:17:19,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.0) internal successors, (8), 8 states have internal predecessors, (8), 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 20:17:19,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions.
[2022-11-02 20:17:19,423 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 8
[2022-11-02 20:17:19,423 INFO L84 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:17:19,423 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions.
[2022-11-02 20:17:19,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 20:17:19,424 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions.
[2022-11-02 20:17:19,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2022-11-02 20:17:19,425 INFO L187 NwaCegarLoop]: Found error trace
[2022-11-02 20:17:19,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:17:19,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2022-11-02 20:17:19,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:17:19,641 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:17:19,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:17:19,642 INFO L85 PathProgramCache]: Analyzing trace with hash 176609352, now seen corresponding path program 1 times
[2022-11-02 20:17:19,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:17:19,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749569778]
[2022-11-02 20:17:19,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:17:19,644 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:17:19,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:17:19,646 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:17:19,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2022-11-02 20:17:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:17:30,568 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:17:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:17:57,511 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2022-11-02 20:17:57,512 INFO L359 BasicCegarLoop]: Counterexample is feasible
[2022-11-02 20:17:57,514 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:17:57,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2022-11-02 20:17:57,717 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:17:57,722 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1]
[2022-11-02 20:17:57,727 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:17:57,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:17:57 BoogieIcfgContainer
[2022-11-02 20:17:57,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:17:57,760 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:17:57,761 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:17:57,761 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:17:57,762 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:17:17" (3/4) ...
[2022-11-02 20:17:57,764 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2022-11-02 20:17:57,811 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:17:57,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:17:57,813 INFO L158 Benchmark]: Toolchain (without parser) took 47662.89ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 35.5MB in the beginning and 43.1MB in the end (delta: -7.6MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB.
[2022-11-02 20:17:57,814 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 58.7MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:17:57,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 465.89ms. Allocated memory is still 58.7MB. Free memory was 35.4MB in the beginning and 40.6MB in the end (delta: -5.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2022-11-02 20:17:57,815 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.07ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 39.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:17:57,816 INFO L158 Benchmark]: Boogie Preprocessor took 57.47ms. Allocated memory is still 58.7MB. Free memory was 39.1MB in the beginning and 37.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:17:57,817 INFO L158 Benchmark]: RCFGBuilder took 6774.36ms. Allocated memory is still 58.7MB. Free memory was 37.7MB in the beginning and 28.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2022-11-02 20:17:57,818 INFO L158 Benchmark]: TraceAbstraction took 40224.22ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 27.6MB in the beginning and 44.8MB in the end (delta: -17.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB.
[2022-11-02 20:17:57,818 INFO L158 Benchmark]: Witness Printer took 51.73ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 43.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:17:57,822 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.40ms. Allocated memory is still 58.7MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 465.89ms. Allocated memory is still 58.7MB. Free memory was 35.4MB in the beginning and 40.6MB in the end (delta: -5.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 78.07ms. Allocated memory is still 58.7MB. Free memory was 40.6MB in the beginning and 39.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 57.47ms. Allocated memory is still 58.7MB. Free memory was 39.1MB in the beginning and 37.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 6774.36ms. Allocated memory is still 58.7MB. Free memory was 37.7MB in the beginning and 28.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 40224.22ms. Allocated memory was 58.7MB in the beginning and 83.9MB in the end (delta: 25.2MB). Free memory was 27.6MB in the beginning and 44.8MB in the end (delta: -17.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB.
* Witness Printer took 51.73ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 43.1MB in the end (delta: 1.7MB). 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
- CounterExampleResult [Line: 51]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L39] float IN = __VERIFIER_nondet_float();
[L40] CALL assume_abort_if_not(IN > -1.2f && IN < 1.2f)
[L24] COND FALSE !(!cond)
VAL [\old(cond)=1, cond=1]
[L40] RET assume_abort_if_not(IN > -1.2f && IN < 1.2f)
[L42] CALL, EXPR f(IN)
[L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f;
VAL [\old(x)=-1.1990375518798828, \result=-0.9330898523330688, x=-1.1990375518798828]
[L42] RET, EXPR f(IN)
[L42] CALL, EXPR fp(IN)
[L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f;
VAL [\old(x)=-1.1990375518798828, \result=0.37140488624572754, x=-1.1990375518798828]
[L42] RET, EXPR fp(IN)
[L42] float x = IN - f(IN)/fp(IN);
[L50] COND TRUE !(x < 0.1)
VAL [IN=-1.1990375518798828, x=1.3132877349853516]
[L51] reach_error()
VAL [IN=-1.1990375518798828, x=1.3132877349853516]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 40.1s, 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, 12 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, 12 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred 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, 12.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 26 ConjunctsInSsa, 1 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 proved your program to be incorrect!
[2022-11-02 20:17:58,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d885a8fa-9003-424f-82f3-05debcb90954/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE