/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain IntervalDomain -i ../sv-benchmarks/c/float-benchs/cast_float_union.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 22:43:36,108 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 22:43:36,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 22:43:36,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 22:43:36,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 22:43:36,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 22:43:36,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 22:43:36,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 22:43:36,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 22:43:36,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 22:43:36,152 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 22:43:36,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 22:43:36,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 22:43:36,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 22:43:36,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 22:43:36,155 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 22:43:36,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 22:43:36,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 22:43:36,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 22:43:36,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 22:43:36,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 22:43:36,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 22:43:36,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 22:43:36,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 22:43:36,171 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-31 22:43:36,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 22:43:36,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 22:43:36,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 22:43:36,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 22:43:36,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 22:43:36,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 22:43:36,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 22:43:36,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 22:43:36,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 22:43:36,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 22:43:36,177 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 22:43:36,178 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-03-31 22:43:36,201 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 22:43:36,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 22:43:36,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 22:43:36,201 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 22:43:36,202 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 22:43:36,202 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 22:43:36,202 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 22:43:36,202 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 22:43:36,202 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 22:43:36,203 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 22:43:36,203 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 22:43:36,203 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 22:43:36,203 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 22:43:36,203 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 22:43:36,203 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 22:43:36,204 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 22:43:36,204 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 22:43:36,204 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 22:43:36,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 22:43:36,204 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 22:43:36,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 22:43:36,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 22:43:36,205 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 22:43:36,205 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 22:43:36,205 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 22:43:36,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 22:43:36,205 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 22:43:36,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 22:43:36,205 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 22:43:36,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 22:43:36,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 22:43:36,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 22:43:36,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:43:36,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 22:43:36,206 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 22:43:36,206 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 22:43:36,206 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 22:43:36,206 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 22:43:36,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 22:43:36,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 22:43:36,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 22:43:36,207 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 22:43:36,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 22:43:36,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 22:43:36,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 22:43:36,391 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 22:43:36,392 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 22:43:36,393 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-benchs/cast_float_union.c [2023-03-31 22:43:37,424 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 22:43:37,572 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 22:43:37,572 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_union.c [2023-03-31 22:43:37,577 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/572739121/bc9bc05cf8fa4b9fbbb4a5a67e41a669/FLAG1699900bb [2023-03-31 22:43:37,591 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/572739121/bc9bc05cf8fa4b9fbbb4a5a67e41a669 [2023-03-31 22:43:37,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 22:43:37,595 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 22:43:37,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 22:43:37,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 22:43:37,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 22:43:37,600 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:43:37" (1/1) ... [2023-03-31 22:43:37,601 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aebc327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:43:37, skipping insertion in model container [2023-03-31 22:43:37,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 10:43:37" (1/1) ... [2023-03-31 22:43:37,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 22:43:37,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 22:43:37,707 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] [2023-03-31 22:43:37,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:43:37,724 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 22:43:37,732 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-benchs/cast_float_union.c[593,606] [2023-03-31 22:43:37,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 22:43:37,746 INFO L208 MainTranslator]: Completed translation [2023-03-31 22:43:37,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:43:37 WrapperNode [2023-03-31 22:43:37,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 22:43:37,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 22:43:37,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 22:43:37,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 22:43:37,755 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:43:37" (1/1) ... [2023-03-31 22:43:37,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:43:37" (1/1) ... [2023-03-31 22:43:37,761 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:43:37" (1/1) ... [2023-03-31 22:43:37,761 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:43:37" (1/1) ... [2023-03-31 22:43:37,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:43:37" (1/1) ... [2023-03-31 22:43:37,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:43:37" (1/1) ... [2023-03-31 22:43:37,768 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:43:37" (1/1) ... [2023-03-31 22:43:37,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:43:37" (1/1) ... [2023-03-31 22:43:37,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 22:43:37,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 22:43:37,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 22:43:37,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 22:43:37,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:43:37" (1/1) ... [2023-03-31 22:43:37,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 22:43:37,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 22:43:37,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 22:43:37,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 22:43:37,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 22:43:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 22:43:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 22:43:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-03-31 22:43:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-03-31 22:43:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure cast [2023-03-31 22:43:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 22:43:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 22:43:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 22:43:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 22:43:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 22:43:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2023-03-31 22:43:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-03-31 22:43:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-03-31 22:43:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure cast [2023-03-31 22:43:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-31 22:43:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-03-31 22:43:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 22:43:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 22:43:37,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 22:43:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-03-31 22:43:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 22:43:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 22:43:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 22:43:37,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 22:43:37,884 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 22:43:37,888 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 22:43:37,992 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 22:43:38,126 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 22:43:38,126 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-31 22:43:38,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:43:38 BoogieIcfgContainer [2023-03-31 22:43:38,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 22:43:38,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 22:43:38,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 22:43:38,131 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 22:43:38,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 10:43:37" (1/3) ... [2023-03-31 22:43:38,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0eab31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:43:38, skipping insertion in model container [2023-03-31 22:43:38,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 10:43:37" (2/3) ... [2023-03-31 22:43:38,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c0eab31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 10:43:38, skipping insertion in model container [2023-03-31 22:43:38,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 10:43:38" (3/3) ... [2023-03-31 22:43:38,133 INFO L112 eAbstractionObserver]: Analyzing ICFG cast_float_union.c [2023-03-31 22:43:38,144 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 22:43:38,145 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 22:43:38,185 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 22:43:38,190 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1b11a447, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 22:43:38,190 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 22:43:38,193 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-31 22:43:38,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 22:43:38,200 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 22:43:38,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 5 states have (on average 1.0) internal successors, (5), 5 states have internal predecessors, (5), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-31 22:43:38,218 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2023-03-31 22:43:38,218 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 3) no Hoare annotation was computed. [2023-03-31 22:43:38,218 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 10 12) no Hoare annotation was computed. [2023-03-31 22:43:38,218 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 10 12) no Hoare annotation was computed. [2023-03-31 22:43:38,218 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2023-03-31 22:43:38,218 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 52 60) the Hoare annotation is: true [2023-03-31 22:43:38,219 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-03-31 22:43:38,219 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 52 60) no Hoare annotation was computed. [2023-03-31 22:43:38,219 INFO L899 garLoopResultBuilder]: For program point castEXIT(lines 26 50) no Hoare annotation was computed. [2023-03-31 22:43:38,219 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 26 50) the Hoare annotation is: true [2023-03-31 22:43:38,219 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 22:43:38,219 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 22:43:38,219 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 22:43:38,219 INFO L902 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2023-03-31 22:43:38,219 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 22:43:38,220 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 22:43:38,220 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2023-03-31 22:43:38,220 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2023-03-31 22:43:38,220 INFO L899 garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed. [2023-03-31 22:43:38,220 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(line 13) no Hoare annotation was computed. [2023-03-31 22:43:38,220 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 13) no Hoare annotation was computed. [2023-03-31 22:43:38,220 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) no Hoare annotation was computed. [2023-03-31 22:43:38,223 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-03-31 22:43:38,225 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 22:43:38,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 10:43:38 BoogieIcfgContainer [2023-03-31 22:43:38,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 22:43:38,228 INFO L158 Benchmark]: Toolchain (without parser) took 633.64ms. Allocated memory is still 241.2MB. Free memory was 189.4MB in the beginning and 146.9MB in the end (delta: 42.5MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2023-03-31 22:43:38,229 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 200.3MB. Free memory was 145.9MB in the beginning and 145.7MB in the end (delta: 138.8kB). There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 22:43:38,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 150.26ms. Allocated memory is still 241.2MB. Free memory was 188.9MB in the beginning and 178.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-03-31 22:43:38,229 INFO L158 Benchmark]: Boogie Preprocessor took 22.53ms. Allocated memory is still 241.2MB. Free memory was 178.4MB in the beginning and 176.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-31 22:43:38,230 INFO L158 Benchmark]: RCFGBuilder took 357.68ms. Allocated memory is still 241.2MB. Free memory was 176.8MB in the beginning and 155.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-03-31 22:43:38,230 INFO L158 Benchmark]: TraceAbstraction took 98.16ms. Allocated memory is still 241.2MB. Free memory was 154.8MB in the beginning and 146.9MB in the end (delta: 7.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. [2023-03-31 22:43:38,231 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 200.3MB. Free memory was 145.9MB in the beginning and 145.7MB in the end (delta: 138.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 150.26ms. Allocated memory is still 241.2MB. Free memory was 188.9MB in the beginning and 178.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.53ms. Allocated memory is still 241.2MB. Free memory was 178.4MB in the beginning and 176.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 357.68ms. Allocated memory is still 241.2MB. Free memory was 176.8MB in the beginning and 155.8MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 98.16ms. Allocated memory is still 241.2MB. Free memory was 154.8MB in the beginning and 146.9MB in the end (delta: 7.9MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 13]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, InterpolantAutomatonStates: 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-03-31 22:43:38,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...