/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=0.2 --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-cbmc-regression/float-flags-simp1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 11:04:11,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 11:04:11,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 11:04:11,380 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 11:04:11,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 11:04:11,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 11:04:11,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 11:04:11,385 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 11:04:11,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 11:04:11,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 11:04:11,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 11:04:11,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 11:04:11,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 11:04:11,392 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 11:04:11,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 11:04:11,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 11:04:11,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 11:04:11,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 11:04:11,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 11:04:11,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 11:04:11,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 11:04:11,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 11:04:11,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 11:04:11,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 11:04:11,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 11:04:11,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 11:04:11,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 11:04:11,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 11:04:11,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 11:04:11,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 11:04:11,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 11:04:11,415 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 11:04:11,416 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 11:04:11,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 11:04:11,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 11:04:11,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 11:04:11,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 11:04:11,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 11:04:11,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 11:04:11,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 11:04:11,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 11:04:11,425 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 11:04:11,477 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 11:04:11,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 11:04:11,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 11:04:11,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 11:04:11,480 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 11:04:11,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 11:04:11,480 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 11:04:11,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 11:04:11,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 11:04:11,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 11:04:11,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 11:04:11,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 11:04:11,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 11:04:11,483 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 11:04:11,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 11:04:11,484 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 11:04:11,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 11:04:11,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 11:04:11,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 11:04:11,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 11:04:11,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 11:04:11,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 11:04:11,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 11:04:11,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 11:04:11,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 11:04:11,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 11:04:11,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 11:04:11,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 11:04:11,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 11:04:11,487 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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;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=0.2;log-additional-information=true; [2020-09-25 11:04:11,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 11:04:11,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 11:04:11,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 11:04:11,970 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 11:04:11,971 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 11:04:11,972 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-flags-simp1.i [2020-09-25 11:04:12,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e7355157/2bc1092dcf4e43d09a50d3f2a72c972b/FLAG4d134641f [2020-09-25 11:04:12,630 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 11:04:12,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/floats-cbmc-regression/float-flags-simp1.i [2020-09-25 11:04:12,649 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e7355157/2bc1092dcf4e43d09a50d3f2a72c972b/FLAG4d134641f [2020-09-25 11:04:12,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e7355157/2bc1092dcf4e43d09a50d3f2a72c972b [2020-09-25 11:04:12,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 11:04:12,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 11:04:12,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 11:04:12,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 11:04:12,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 11:04:12,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:04:12" (1/1) ... [2020-09-25 11:04:12,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ac45341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:04:12, skipping insertion in model container [2020-09-25 11:04:12,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:04:12" (1/1) ... [2020-09-25 11:04:12,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 11:04:12,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 11:04:13,560 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1652) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1064) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:697) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1553) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1029) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3469) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-09-25 11:04:13,567 INFO L168 Benchmark]: Toolchain (without parser) took 682.72 ms. Allocated memory is still 147.3 MB. Free memory was 101.5 MB in the beginning and 87.5 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2020-09-25 11:04:13,568 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-25 11:04:13,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.99 ms. Allocated memory is still 147.3 MB. Free memory was 100.8 MB in the beginning and 87.5 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2020-09-25 11:04:13,572 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 675.99 ms. Allocated memory is still 147.3 MB. Free memory was 100.8 MB in the beginning and 87.5 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...