/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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/float-benchs/cast_float_union.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 00:32:44,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 00:32:44,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 00:32:44,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 00:32:44,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 00:32:44,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 00:32:44,376 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 00:32:44,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 00:32:44,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 00:32:44,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 00:32:44,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 00:32:44,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 00:32:44,388 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 00:32:44,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 00:32:44,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 00:32:44,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 00:32:44,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 00:32:44,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 00:32:44,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 00:32:44,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 00:32:44,411 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 00:32:44,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 00:32:44,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 00:32:44,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 00:32:44,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 00:32:44,426 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 00:32:44,426 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 00:32:44,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 00:32:44,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 00:32:44,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 00:32:44,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 00:32:44,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 00:32:44,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 00:32:44,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 00:32:44,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 00:32:44,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 00:32:44,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 00:32:44,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 00:32:44,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 00:32:44,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 00:32:44,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 00:32:44,440 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 [2020-08-22 00:32:44,478 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 00:32:44,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 00:32:44,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 00:32:44,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 00:32:44,481 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 00:32:44,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 00:32:44,482 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 00:32:44,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 00:32:44,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 00:32:44,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 00:32:44,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 00:32:44,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 00:32:44,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 00:32:44,484 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 00:32:44,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 00:32:44,484 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 00:32:44,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 00:32:44,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 00:32:44,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 00:32:44,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 00:32:44,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 00:32:44,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 00:32:44,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 00:32:44,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 00:32:44,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 00:32:44,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 00:32:44,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 00:32:44,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 00:32:44,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 00:32:44,487 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-08-22 00:32:44,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 00:32:44,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 00:32:44,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 00:32:44,776 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 00:32:44,776 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 00:32:44,777 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/cast_float_union.c [2020-08-22 00:32:44,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e862ae87/512e94737eff4ccf8552139faccc3a9a/FLAG680fe3469 [2020-08-22 00:32:45,263 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 00:32:45,264 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/cast_float_union.c [2020-08-22 00:32:45,271 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e862ae87/512e94737eff4ccf8552139faccc3a9a/FLAG680fe3469 [2020-08-22 00:32:45,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0e862ae87/512e94737eff4ccf8552139faccc3a9a [2020-08-22 00:32:45,682 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 00:32:45,684 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 00:32:45,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 00:32:45,685 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 00:32:45,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 00:32:45,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:32:45" (1/1) ... [2020-08-22 00:32:45,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11cafb76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:32:45, skipping insertion in model container [2020-08-22 00:32:45,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:32:45" (1/1) ... [2020-08-22 00:32:45,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 00:32:45,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 00:32:45,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:32:45,892 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 00:32:45,919 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:32:46,023 INFO L208 MainTranslator]: Completed translation [2020-08-22 00:32:46,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:32:46 WrapperNode [2020-08-22 00:32:46,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 00:32:46,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 00:32:46,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 00:32:46,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 00:32:46,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:32:46" (1/1) ... [2020-08-22 00:32:46,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:32:46" (1/1) ... [2020-08-22 00:32:46,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:32:46" (1/1) ... [2020-08-22 00:32:46,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:32:46" (1/1) ... [2020-08-22 00:32:46,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:32:46" (1/1) ... [2020-08-22 00:32:46,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:32:46" (1/1) ... [2020-08-22 00:32:46,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:32:46" (1/1) ... [2020-08-22 00:32:46,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 00:32:46,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 00:32:46,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 00:32:46,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 00:32:46,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:32:46" (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 [2020-08-22 00:32:46,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 00:32:46,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 00:32:46,122 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-22 00:32:46,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-08-22 00:32:46,122 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2020-08-22 00:32:46,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 00:32:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 00:32:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-08-22 00:32:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-22 00:32:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-22 00:32:46,123 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-08-22 00:32:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2020-08-22 00:32:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 00:32:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-08-22 00:32:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 00:32:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 00:32:46,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 00:32:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-08-22 00:32:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 00:32:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 00:32:46,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 00:32:46,382 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 00:32:46,383 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 00:32:46,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:32:46 BoogieIcfgContainer [2020-08-22 00:32:46,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 00:32:46,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 00:32:46,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 00:32:46,393 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 00:32:46,393 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 12:32:45" (1/3) ... [2020-08-22 00:32:46,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51fec17b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:32:46, skipping insertion in model container [2020-08-22 00:32:46,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:32:46" (2/3) ... [2020-08-22 00:32:46,394 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51fec17b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:32:46, skipping insertion in model container [2020-08-22 00:32:46,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:32:46" (3/3) ... [2020-08-22 00:32:46,396 INFO L109 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2020-08-22 00:32:46,409 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 00:32:46,417 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 00:32:46,439 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 00:32:46,476 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 00:32:46,476 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 00:32:46,476 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 00:32:46,476 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 00:32:46,476 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 00:32:46,477 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 00:32:46,477 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 00:32:46,477 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 00:32:46,503 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-08-22 00:32:46,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 00:32:46,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 19 states. [2020-08-22 00:32:46,595 INFO L268 CegarLoopResult]: For program point castEXIT(lines 24 48) no Hoare annotation was computed. [2020-08-22 00:32:46,596 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-22 00:32:46,596 INFO L268 CegarLoopResult]: For program point castFINAL(lines 24 48) no Hoare annotation was computed. [2020-08-22 00:32:46,597 INFO L271 CegarLoopResult]: At program point castENTRY(lines 24 48) the Hoare annotation is: true [2020-08-22 00:32:46,597 INFO L268 CegarLoopResult]: For program point L40(lines 40 46) no Hoare annotation was computed. [2020-08-22 00:32:46,597 INFO L268 CegarLoopResult]: For program point L40-2(lines 36 46) no Hoare annotation was computed. [2020-08-22 00:32:46,597 INFO L268 CegarLoopResult]: For program point L36(lines 36 46) no Hoare annotation was computed. [2020-08-22 00:32:46,597 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:32:46,598 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-08-22 00:32:46,598 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:32:46,598 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:32:46,598 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 00:32:46,599 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 00:32:46,599 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:32:46,599 INFO L268 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 8 10) no Hoare annotation was computed. [2020-08-22 00:32:46,599 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-08-22 00:32:46,600 INFO L268 CegarLoopResult]: For program point L9-2(lines 8 10) no Hoare annotation was computed. [2020-08-22 00:32:46,600 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 8 10) no Hoare annotation was computed. [2020-08-22 00:32:46,600 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 50 58) the Hoare annotation is: true [2020-08-22 00:32:46,600 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 50 58) no Hoare annotation was computed. [2020-08-22 00:32:46,600 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 50 58) no Hoare annotation was computed. [2020-08-22 00:32:46,601 INFO L271 CegarLoopResult]: At program point L56(line 56) the Hoare annotation is: true [2020-08-22 00:32:46,604 INFO L268 CegarLoopResult]: For program point L56-1(line 56) no Hoare annotation was computed. [2020-08-22 00:32:46,604 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertENTRY(line 11) no Hoare annotation was computed. [2020-08-22 00:32:46,604 INFO L268 CegarLoopResult]: For program point L11(line 11) no Hoare annotation was computed. [2020-08-22 00:32:46,604 INFO L268 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed. [2020-08-22 00:32:46,605 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(line 11) no Hoare annotation was computed. [2020-08-22 00:32:46,605 INFO L268 CegarLoopResult]: For program point L11-3(line 11) no Hoare annotation was computed. [2020-08-22 00:32:46,605 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 11) no Hoare annotation was computed. [2020-08-22 00:32:46,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 12:32:46 BoogieIcfgContainer [2020-08-22 00:32:46,612 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 00:32:46,616 INFO L168 Benchmark]: Toolchain (without parser) took 930.58 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 103.3 MB in the beginning and 153.8 MB in the end (delta: -50.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 7.1 GB. [2020-08-22 00:32:46,617 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-22 00:32:46,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.60 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 103.1 MB in the beginning and 183.9 MB in the end (delta: -80.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-08-22 00:32:46,619 INFO L168 Benchmark]: Boogie Preprocessor took 39.60 ms. Allocated memory is still 205.0 MB. Free memory was 183.9 MB in the beginning and 181.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-08-22 00:32:46,620 INFO L168 Benchmark]: RCFGBuilder took 323.43 ms. Allocated memory is still 205.0 MB. Free memory was 181.6 MB in the beginning and 164.7 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2020-08-22 00:32:46,621 INFO L168 Benchmark]: TraceAbstraction took 223.31 ms. Allocated memory is still 205.0 MB. Free memory was 164.1 MB in the beginning and 153.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-08-22 00:32:46,625 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 339.60 ms. Allocated memory was 141.0 MB in the beginning and 205.0 MB in the end (delta: 64.0 MB). Free memory was 103.1 MB in the beginning and 183.9 MB in the end (delta: -80.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.60 ms. Allocated memory is still 205.0 MB. Free memory was 183.9 MB in the beginning and 181.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 323.43 ms. Allocated memory is still 205.0 MB. Free memory was 181.6 MB in the beginning and 164.7 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 223.31 ms. Allocated memory is still 205.0 MB. Free memory was 164.1 MB in the beginning and 153.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 11]: 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 6 procedures, 29 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...