/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i
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This is Ultimate 0.1.25-c90d42b
[2020-09-25 14:27:48,159 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 14:27:48,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 14:27:48,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 14:27:48,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 14:27:48,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 14:27:48,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 14:27:48,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 14:27:48,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 14:27:48,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 14:27:48,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 14:27:48,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 14:27:48,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 14:27:48,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 14:27:48,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 14:27:48,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 14:27:48,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 14:27:48,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 14:27:48,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 14:27:48,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 14:27:48,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 14:27:48,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 14:27:48,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 14:27:48,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 14:27:48,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 14:27:48,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 14:27:48,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 14:27:48,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 14:27:48,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 14:27:48,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 14:27:48,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 14:27:48,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 14:27:48,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 14:27:48,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 14:27:48,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 14:27:48,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 14:27:48,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 14:27:48,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 14:27:48,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 14:27:48,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 14:27:48,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 14:27:48,279 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 14:27:48,328 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 14:27:48,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 14:27:48,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 14:27:48,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 14:27:48,331 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 14:27:48,332 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 14:27:48,332 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 14:27:48,332 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 14:27:48,332 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 14:27:48,333 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 14:27:48,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 14:27:48,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 14:27:48,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 14:27:48,335 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 14:27:48,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 14:27:48,335 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 14:27:48,335 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 14:27:48,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 14:27:48,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 14:27:48,336 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 14:27:48,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 14:27:48,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 14:27:48,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 14:27:48,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 14:27:48,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 14:27:48,337 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 14:27:48,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 14:27:48,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 14:27:48,338 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 14:27:48,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
[2020-09-25 14:27:48,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 14:27:48,814 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 14:27:48,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 14:27:48,822 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 14:27:48,823 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 14:27:48,824 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/modf.i
[2020-09-25 14:27:48,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/990835bd7/c11669831c584d58a34316cd22c9db36/FLAGeb0c23142
[2020-09-25 14:27:49,453 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 14:27:49,454 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/floats-esbmc-regression/modf.i
[2020-09-25 14:27:49,471 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/990835bd7/c11669831c584d58a34316cd22c9db36/FLAGeb0c23142
[2020-09-25 14:27:49,727 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/990835bd7/c11669831c584d58a34316cd22c9db36
[2020-09-25 14:27:49,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 14:27:49,750 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 14:27:49,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 14:27:49,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 14:27:49,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 14:27:49,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:27:49" (1/1) ...
[2020-09-25 14:27:49,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed0e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:27:49, skipping insertion in model container
[2020-09-25 14:27:49,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:27:49" (1/1) ...
[2020-09-25 14:27:49,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 14:27:49,824 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 14:27:50,377 ERROR L326 MainTranslator]: Unsupported Syntax: Unsupported function from math.h: modff
[2020-09-25 14:27:50,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@621deaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:27:50, skipping insertion in model container
[2020-09-25 14:27:50,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 14:27:50,379 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor
[2020-09-25 14:27:50,383 INFO L168 Benchmark]: Toolchain (without parser) took 635.75 ms. Allocated memory is still 147.3 MB. Free memory was 102.3 MB in the beginning and 88.8 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB.
[2020-09-25 14:27:50,384 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2020-09-25 14:27:50,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.30 ms. Allocated memory is still 147.3 MB. Free memory was 101.7 MB in the beginning and 88.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
[2020-09-25 14:27:50,390 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.18 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 627.30 ms. Allocated memory is still 147.3 MB. Free memory was 101.7 MB in the beginning and 88.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- UnsupportedSyntaxResult [Line: 874]: Unsupported Syntax
Unsupported function from math.h: modff
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...