/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 SequenceOfStatements --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=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/float-benchs/cast_float_union.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 00:57:30,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 00:57:30,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 00:57:30,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 00:57:30,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 00:57:30,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 00:57:30,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 00:57:30,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 00:57:30,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 00:57:30,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 00:57:30,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 00:57:30,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 00:57:30,966 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 00:57:30,969 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 00:57:30,972 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 00:57:30,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 00:57:30,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 00:57:30,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 00:57:30,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 00:57:30,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 00:57:30,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 00:57:30,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 00:57:30,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 00:57:31,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 00:57:31,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 00:57:31,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 00:57:31,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 00:57:31,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 00:57:31,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 00:57:31,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 00:57:31,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 00:57:31,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 00:57:31,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 00:57:31,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 00:57:31,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 00:57:31,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 00:57:31,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 00:57:31,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 00:57:31,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 00:57:31,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 00:57:31,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 00:57:31,044 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 [2020-10-27 00:57:31,094 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 00:57:31,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 00:57:31,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 00:57:31,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 00:57:31,098 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 00:57:31,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 00:57:31,099 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 00:57:31,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 00:57:31,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 00:57:31,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 00:57:31,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 00:57:31,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 00:57:31,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 00:57:31,101 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 00:57:31,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 00:57:31,101 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 00:57:31,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 00:57:31,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 00:57:31,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 00:57:31,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 00:57:31,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 00:57:31,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 00:57:31,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 00:57:31,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 00:57:31,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 00:57:31,103 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 00:57:31,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 00:57:31,103 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 00:57:31,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 00:57:31,104 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:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 00:57:31,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 00:57:31,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 00:57:31,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 00:57:31,524 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 00:57:31,524 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 00:57:31,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_union.c [2020-10-27 00:57:31,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4d93f55a/c862812450c84bd48cc616dc531ba226/FLAG737d0f189 [2020-10-27 00:57:32,186 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 00:57:32,187 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/cast_float_union.c [2020-10-27 00:57:32,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4d93f55a/c862812450c84bd48cc616dc531ba226/FLAG737d0f189 [2020-10-27 00:57:32,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b4d93f55a/c862812450c84bd48cc616dc531ba226 [2020-10-27 00:57:32,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 00:57:32,572 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 00:57:32,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 00:57:32,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 00:57:32,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 00:57:32,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:57:32" (1/1) ... [2020-10-27 00:57:32,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ea86f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:57:32, skipping insertion in model container [2020-10-27 00:57:32,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:57:32" (1/1) ... [2020-10-27 00:57:32,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 00:57:32,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 00:57:32,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 00:57:32,829 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 00:57:32,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 00:57:32,877 INFO L208 MainTranslator]: Completed translation [2020-10-27 00:57:32,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:57:32 WrapperNode [2020-10-27 00:57:32,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 00:57:32,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 00:57:32,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 00:57:32,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 00:57:32,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:57:32" (1/1) ... [2020-10-27 00:57:32,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:57:32" (1/1) ... [2020-10-27 00:57:32,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:57:32" (1/1) ... [2020-10-27 00:57:32,911 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:57:32" (1/1) ... [2020-10-27 00:57:32,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:57:32" (1/1) ... [2020-10-27 00:57:32,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:57:32" (1/1) ... [2020-10-27 00:57:32,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:57:32" (1/1) ... [2020-10-27 00:57:32,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 00:57:32,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 00:57:32,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 00:57:32,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 00:57:32,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:57:32" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 00:57:33,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 00:57:33,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 00:57:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 00:57:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-27 00:57:33,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-27 00:57:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-10-27 00:57:33,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 00:57:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 00:57:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 00:57:33,057 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 00:57:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 00:57:33,058 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-10-27 00:57:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-27 00:57:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-27 00:57:33,059 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-10-27 00:57:33,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-27 00:57:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 00:57:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 00:57:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 00:57:33,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-27 00:57:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 00:57:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 00:57:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 00:57:33,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 00:57:33,665 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 00:57:33,666 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 00:57:33,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:57:33 BoogieIcfgContainer [2020-10-27 00:57:33,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 00:57:33,673 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 00:57:33,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 00:57:33,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 00:57:33,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:57:32" (1/3) ... [2020-10-27 00:57:33,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789aba4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:57:33, skipping insertion in model container [2020-10-27 00:57:33,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:57:32" (2/3) ... [2020-10-27 00:57:33,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@789aba4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:57:33, skipping insertion in model container [2020-10-27 00:57:33,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:57:33" (3/3) ... [2020-10-27 00:57:33,681 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2020-10-27 00:57:33,693 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 00:57:33,698 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 00:57:33,712 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 00:57:33,739 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 00:57:33,740 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 00:57:33,740 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 00:57:33,740 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 00:57:33,740 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 00:57:33,740 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 00:57:33,740 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 00:57:33,741 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 00:57:33,757 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-27 00:57:33,762 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 00:57:33,767 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 19 states. [2020-10-27 00:57:33,831 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 00:57:33,831 INFO L274 CegarLoopResult]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2020-10-27 00:57:33,832 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 00:57:33,832 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 00:57:33,832 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 00:57:33,832 INFO L274 CegarLoopResult]: For program point castEXIT(lines 26 50) no Hoare annotation was computed. [2020-10-27 00:57:33,832 INFO L274 CegarLoopResult]: For program point castFINAL(lines 26 50) no Hoare annotation was computed. [2020-10-27 00:57:33,833 INFO L277 CegarLoopResult]: At program point castENTRY(lines 26 50) the Hoare annotation is: true [2020-10-27 00:57:33,833 INFO L274 CegarLoopResult]: For program point L42(lines 42 48) no Hoare annotation was computed. [2020-10-27 00:57:33,833 INFO L274 CegarLoopResult]: For program point L42-2(lines 38 48) no Hoare annotation was computed. [2020-10-27 00:57:33,833 INFO L274 CegarLoopResult]: For program point L38(lines 38 48) no Hoare annotation was computed. [2020-10-27 00:57:33,833 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 00:57:33,833 INFO L277 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-10-27 00:57:33,834 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 00:57:33,834 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 00:57:33,834 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 00:57:33,834 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 00:57:33,834 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 00:57:33,834 INFO L274 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 10 12) no Hoare annotation was computed. [2020-10-27 00:57:33,835 INFO L274 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-10-27 00:57:33,835 INFO L274 CegarLoopResult]: For program point L11-2(lines 10 12) no Hoare annotation was computed. [2020-10-27 00:57:33,835 INFO L274 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 10 12) no Hoare annotation was computed. [2020-10-27 00:57:33,835 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 52 60) the Hoare annotation is: true [2020-10-27 00:57:33,835 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 52 60) no Hoare annotation was computed. [2020-10-27 00:57:33,835 INFO L277 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: true [2020-10-27 00:57:33,835 INFO L274 CegarLoopResult]: For program point L58-1(line 58) no Hoare annotation was computed. [2020-10-27 00:57:33,836 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 52 60) no Hoare annotation was computed. [2020-10-27 00:57:33,836 INFO L274 CegarLoopResult]: For program point __VERIFIER_assertENTRY(line 13) no Hoare annotation was computed. [2020-10-27 00:57:33,836 INFO L274 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-10-27 00:57:33,836 INFO L274 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2020-10-27 00:57:33,836 INFO L274 CegarLoopResult]: For program point L13-2(line 13) no Hoare annotation was computed. [2020-10-27 00:57:33,836 INFO L274 CegarLoopResult]: For program point __VERIFIER_assertEXIT(line 13) no Hoare annotation was computed. [2020-10-27 00:57:33,836 INFO L274 CegarLoopResult]: For program point L13-4(line 13) no Hoare annotation was computed. [2020-10-27 00:57:33,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:57:33 BoogieIcfgContainer [2020-10-27 00:57:33,843 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 00:57:33,846 INFO L168 Benchmark]: Toolchain (without parser) took 1278.23 ms. Allocated memory is still 163.6 MB. Free memory was 138.7 MB in the beginning and 100.3 MB in the end (delta: 38.4 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. [2020-10-27 00:57:33,846 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 163.6 MB. Free memory is still 136.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 00:57:33,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.94 ms. Allocated memory is still 163.6 MB. Free memory was 138.0 MB in the beginning and 127.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-27 00:57:33,849 INFO L168 Benchmark]: Boogie Preprocessor took 74.68 ms. Allocated memory is still 163.6 MB. Free memory was 127.9 MB in the beginning and 126.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-27 00:57:33,850 INFO L168 Benchmark]: RCFGBuilder took 713.04 ms. Allocated memory is still 163.6 MB. Free memory was 126.1 MB in the beginning and 109.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2020-10-27 00:57:33,851 INFO L168 Benchmark]: TraceAbstraction took 169.97 ms. Allocated memory is still 163.6 MB. Free memory was 109.3 MB in the beginning and 100.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-27 00:57:33,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 163.6 MB. Free memory is still 136.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 302.94 ms. Allocated memory is still 163.6 MB. Free memory was 138.0 MB in the beginning and 127.9 MB in the end (delta: 10.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 74.68 ms. Allocated memory is still 163.6 MB. Free memory was 127.9 MB in the beginning and 126.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 713.04 ms. Allocated memory is still 163.6 MB. Free memory was 126.1 MB in the beginning and 109.7 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 169.97 ms. Allocated memory is still 163.6 MB. Free memory was 109.3 MB in the beginning and 100.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 6 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...