/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 [2020-10-29 09:02:12,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 09:02:12,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 09:02:12,323 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 09:02:12,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 09:02:12,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 09:02:12,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 09:02:12,338 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 09:02:12,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 09:02:12,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 09:02:12,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 09:02:12,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 09:02:12,352 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 09:02:12,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 09:02:12,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 09:02:12,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 09:02:12,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 09:02:12,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 09:02:12,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 09:02:12,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 09:02:12,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 09:02:12,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 09:02:12,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 09:02:12,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 09:02:12,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 09:02:12,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 09:02:12,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 09:02:12,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 09:02:12,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 09:02:12,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 09:02:12,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 09:02:12,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 09:02:12,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 09:02:12,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 09:02:12,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 09:02:12,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 09:02:12,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 09:02:12,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 09:02:12,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 09:02:12,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 09:02:12,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 09:02:12,421 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 [2020-10-29 09:02:12,475 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 09:02:12,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 09:02:12,479 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 09:02:12,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 09:02:12,480 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 09:02:12,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 09:02:12,481 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 09:02:12,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 09:02:12,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 09:02:12,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 09:02:12,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 09:02:12,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 09:02:12,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 09:02:12,483 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 09:02:12,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 09:02:12,483 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 09:02:12,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 09:02:12,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 09:02:12,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 09:02:12,496 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 09:02:12,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 09:02:12,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:02:12,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 09:02:12,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 09:02:12,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 09:02:12,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 09:02:12,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 09:02:12,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 09:02:12,504 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 09:02:12,504 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 09:02:12,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 09:02:12,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 09:02:12,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 09:02:12,952 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 09:02:12,953 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 09:02:12,954 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_union.c [2020-10-29 09:02:13,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/619da4832/3e24b93ac1a14947a80d4f3e27c3397e/FLAG039fed850 [2020-10-29 09:02:13,724 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 09:02:13,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/cast_float_union.c [2020-10-29 09:02:13,732 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/619da4832/3e24b93ac1a14947a80d4f3e27c3397e/FLAG039fed850 [2020-10-29 09:02:14,105 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/619da4832/3e24b93ac1a14947a80d4f3e27c3397e [2020-10-29 09:02:14,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 09:02:14,116 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 09:02:14,118 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 09:02:14,118 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 09:02:14,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 09:02:14,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:02:14" (1/1) ... [2020-10-29 09:02:14,130 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4359248d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:02:14, skipping insertion in model container [2020-10-29 09:02:14,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:02:14" (1/1) ... [2020-10-29 09:02:14,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 09:02:14,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 09:02:14,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:02:14,344 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 09:02:14,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:02:14,384 INFO L208 MainTranslator]: Completed translation [2020-10-29 09:02:14,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:02:14 WrapperNode [2020-10-29 09:02:14,385 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 09:02:14,386 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 09:02:14,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 09:02:14,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 09:02:14,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:02:14" (1/1) ... [2020-10-29 09:02:14,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:02:14" (1/1) ... [2020-10-29 09:02:14,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:02:14" (1/1) ... [2020-10-29 09:02:14,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:02:14" (1/1) ... [2020-10-29 09:02:14,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:02:14" (1/1) ... [2020-10-29 09:02:14,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:02:14" (1/1) ... [2020-10-29 09:02:14,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:02:14" (1/1) ... [2020-10-29 09:02:14,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 09:02:14,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 09:02:14,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 09:02:14,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 09:02:14,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:02:14" (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 [2020-10-29 09:02:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 09:02:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 09:02:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 09:02:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-29 09:02:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-29 09:02:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-10-29 09:02:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 09:02:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 09:02:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 09:02:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 09:02:14,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 09:02:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-10-29 09:02:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-29 09:02:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-29 09:02:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-10-29 09:02:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-29 09:02:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 09:02:14,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 09:02:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 09:02:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-29 09:02:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 09:02:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 09:02:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 09:02:14,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 09:02:14,865 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 09:02:14,877 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-29 09:02:14,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:02:14 BoogieIcfgContainer [2020-10-29 09:02:14,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 09:02:14,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 09:02:14,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 09:02:14,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 09:02:14,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:02:14" (1/3) ... [2020-10-29 09:02:14,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@180df16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:02:14, skipping insertion in model container [2020-10-29 09:02:14,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:02:14" (2/3) ... [2020-10-29 09:02:14,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@180df16c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:02:14, skipping insertion in model container [2020-10-29 09:02:14,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:02:14" (3/3) ... [2020-10-29 09:02:14,895 INFO L111 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2020-10-29 09:02:14,906 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 09:02:14,910 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 09:02:14,921 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 09:02:14,947 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 09:02:14,948 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 09:02:14,948 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 09:02:14,948 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 09:02:14,948 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 09:02:14,948 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 09:02:14,948 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 09:02:14,949 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 09:02:14,967 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-10-29 09:02:14,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 09:02:14,979 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 19 states. [2020-10-29 09:02:15,051 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-29 09:02:15,051 INFO L274 CegarLoopResult]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2020-10-29 09:02:15,051 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-29 09:02:15,052 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-29 09:02:15,052 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 09:02:15,052 INFO L274 CegarLoopResult]: For program point castEXIT(lines 26 50) no Hoare annotation was computed. [2020-10-29 09:02:15,052 INFO L274 CegarLoopResult]: For program point castFINAL(lines 26 50) no Hoare annotation was computed. [2020-10-29 09:02:15,053 INFO L277 CegarLoopResult]: At program point castENTRY(lines 26 50) the Hoare annotation is: true [2020-10-29 09:02:15,053 INFO L274 CegarLoopResult]: For program point L42(lines 42 48) no Hoare annotation was computed. [2020-10-29 09:02:15,053 INFO L274 CegarLoopResult]: For program point L42-2(lines 38 48) no Hoare annotation was computed. [2020-10-29 09:02:15,053 INFO L274 CegarLoopResult]: For program point L38(lines 38 48) no Hoare annotation was computed. [2020-10-29 09:02:15,053 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:02:15,054 INFO L277 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-10-29 09:02:15,054 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:02:15,054 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:02:15,054 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-29 09:02:15,054 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 09:02:15,054 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:02:15,055 INFO L274 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 10 12) no Hoare annotation was computed. [2020-10-29 09:02:15,055 INFO L274 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-10-29 09:02:15,055 INFO L274 CegarLoopResult]: For program point L11-2(lines 10 12) no Hoare annotation was computed. [2020-10-29 09:02:15,055 INFO L274 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 10 12) no Hoare annotation was computed. [2020-10-29 09:02:15,055 INFO L277 CegarLoopResult]: At program point mainENTRY(lines 52 60) the Hoare annotation is: true [2020-10-29 09:02:15,056 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 52 60) no Hoare annotation was computed. [2020-10-29 09:02:15,056 INFO L277 CegarLoopResult]: At program point L58(line 58) the Hoare annotation is: true [2020-10-29 09:02:15,056 INFO L274 CegarLoopResult]: For program point L58-1(line 58) no Hoare annotation was computed. [2020-10-29 09:02:15,056 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 52 60) no Hoare annotation was computed. [2020-10-29 09:02:15,056 INFO L274 CegarLoopResult]: For program point __VERIFIER_assertENTRY(line 13) no Hoare annotation was computed. [2020-10-29 09:02:15,056 INFO L274 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2020-10-29 09:02:15,057 INFO L274 CegarLoopResult]: For program point L13-1(line 13) no Hoare annotation was computed. [2020-10-29 09:02:15,057 INFO L274 CegarLoopResult]: For program point L13-2(line 13) no Hoare annotation was computed. [2020-10-29 09:02:15,057 INFO L274 CegarLoopResult]: For program point __VERIFIER_assertEXIT(line 13) no Hoare annotation was computed. [2020-10-29 09:02:15,057 INFO L274 CegarLoopResult]: For program point L13-4(line 13) no Hoare annotation was computed. [2020-10-29 09:02:15,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 09:02:15 BoogieIcfgContainer [2020-10-29 09:02:15,064 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 09:02:15,067 INFO L168 Benchmark]: Toolchain (without parser) took 955.37 ms. Allocated memory is still 169.9 MB. Free memory was 144.9 MB in the beginning and 142.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 8.0 GB. [2020-10-29 09:02:15,068 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 169.9 MB. Free memory is still 146.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 09:02:15,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 267.51 ms. Allocated memory is still 169.9 MB. Free memory was 144.1 MB in the beginning and 134.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-29 09:02:15,071 INFO L168 Benchmark]: Boogie Preprocessor took 40.60 ms. Allocated memory is still 169.9 MB. Free memory was 134.2 MB in the beginning and 132.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-29 09:02:15,072 INFO L168 Benchmark]: RCFGBuilder took 456.74 ms. Allocated memory is still 169.9 MB. Free memory was 132.4 MB in the beginning and 152.0 MB in the end (delta: -19.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 8.0 GB. [2020-10-29 09:02:15,073 INFO L168 Benchmark]: TraceAbstraction took 177.56 ms. Allocated memory is still 169.9 MB. Free memory was 151.8 MB in the beginning and 142.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-10-29 09:02:15,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 169.9 MB. Free memory is still 146.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 267.51 ms. Allocated memory is still 169.9 MB. Free memory was 144.1 MB in the beginning and 134.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.60 ms. Allocated memory is still 169.9 MB. Free memory was 134.2 MB in the beginning and 132.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 456.74 ms. Allocated memory is still 169.9 MB. Free memory was 132.4 MB in the beginning and 152.0 MB in the end (delta: -19.7 MB). Peak memory consumption was 20.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 177.56 ms. Allocated memory is still 169.9 MB. Free memory was 151.8 MB in the beginning and 142.4 MB in the end (delta: 9.4 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...