./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0480.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0480.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63d3574782fa6454b0d1694c2d11597178e5561b6615edd1b2b746975245a1dc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 11:59:39,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 11:59:39,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 11:59:39,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 11:59:39,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 11:59:39,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 11:59:39,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 11:59:39,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 11:59:39,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 11:59:39,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 11:59:39,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 11:59:39,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 11:59:39,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 11:59:39,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 11:59:39,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 11:59:39,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 11:59:39,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 11:59:39,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 11:59:39,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 11:59:39,144 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 11:59:39,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 11:59:39,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 11:59:39,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 11:59:39,150 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 11:59:39,152 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 11:59:39,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 11:59:39,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 11:59:39,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 11:59:39,155 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 11:59:39,156 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 11:59:39,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 11:59:39,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 11:59:39,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 11:59:39,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 11:59:39,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 11:59:39,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 11:59:39,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 11:59:39,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 11:59:39,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 11:59:39,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 11:59:39,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 11:59:39,162 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 11:59:39,188 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 11:59:39,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 11:59:39,191 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 11:59:39,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 11:59:39,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 11:59:39,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 11:59:39,193 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 11:59:39,193 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 11:59:39,193 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 11:59:39,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 11:59:39,194 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 11:59:39,194 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 11:59:39,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 11:59:39,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 11:59:39,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 11:59:39,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 11:59:39,195 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 11:59:39,195 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 11:59:39,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 11:59:39,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 11:59:39,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 11:59:39,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 11:59:39,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 11:59:39,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 11:59:39,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:59:39,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 11:59:39,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 11:59:39,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 11:59:39,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 11:59:39,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 11:59:39,197 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 11:59:39,197 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 11:59:39,198 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 11:59:39,198 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 11:59:39,198 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63d3574782fa6454b0d1694c2d11597178e5561b6615edd1b2b746975245a1dc [2021-12-21 11:59:39,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 11:59:39,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 11:59:39,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 11:59:39,390 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 11:59:39,390 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 11:59:39,391 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0480.c [2021-12-21 11:59:39,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97f52ec1/0b0de09889d94190a03078bea4995f77/FLAG19ebe1b64 [2021-12-21 11:59:39,805 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 11:59:39,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0480.c [2021-12-21 11:59:39,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97f52ec1/0b0de09889d94190a03078bea4995f77/FLAG19ebe1b64 [2021-12-21 11:59:40,237 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e97f52ec1/0b0de09889d94190a03078bea4995f77 [2021-12-21 11:59:40,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 11:59:40,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 11:59:40,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 11:59:40,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 11:59:40,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 11:59:40,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:59:40" (1/1) ... [2021-12-21 11:59:40,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f0244e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:40, skipping insertion in model container [2021-12-21 11:59:40,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:59:40" (1/1) ... [2021-12-21 11:59:40,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 11:59:40,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 11:59:40,423 WARN L230 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-newlib/float_req_bl_0480.c[4489,4502] [2021-12-21 11:59:40,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:59:40,435 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 11:59:40,476 WARN L230 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-newlib/float_req_bl_0480.c[4489,4502] [2021-12-21 11:59:40,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:59:40,490 INFO L208 MainTranslator]: Completed translation [2021-12-21 11:59:40,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:40 WrapperNode [2021-12-21 11:59:40,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 11:59:40,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 11:59:40,491 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 11:59:40,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 11:59:40,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:40" (1/1) ... [2021-12-21 11:59:40,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:40" (1/1) ... [2021-12-21 11:59:40,536 INFO L137 Inliner]: procedures = 18, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 148 [2021-12-21 11:59:40,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 11:59:40,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 11:59:40,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 11:59:40,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 11:59:40,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:40" (1/1) ... [2021-12-21 11:59:40,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:40" (1/1) ... [2021-12-21 11:59:40,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:40" (1/1) ... [2021-12-21 11:59:40,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:40" (1/1) ... [2021-12-21 11:59:40,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:40" (1/1) ... [2021-12-21 11:59:40,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:40" (1/1) ... [2021-12-21 11:59:40,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:40" (1/1) ... [2021-12-21 11:59:40,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 11:59:40,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 11:59:40,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 11:59:40,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 11:59:40,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:40" (1/1) ... [2021-12-21 11:59:40,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:59:40,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 11:59:40,603 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) [2021-12-21 11:59:40,607 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 [2021-12-21 11:59:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 11:59:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 11:59:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 11:59:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-21 11:59:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 11:59:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-21 11:59:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 11:59:40,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 11:59:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 11:59:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 11:59:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2021-12-21 11:59:40,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2021-12-21 11:59:40,686 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 11:59:40,687 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 11:59:40,890 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 11:59:40,896 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 11:59:40,896 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-12-21 11:59:40,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:59:40 BoogieIcfgContainer [2021-12-21 11:59:40,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 11:59:40,899 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 11:59:40,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 11:59:40,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 11:59:40,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 11:59:40" (1/3) ... [2021-12-21 11:59:40,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6ad783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:59:40, skipping insertion in model container [2021-12-21 11:59:40,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:40" (2/3) ... [2021-12-21 11:59:40,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c6ad783 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:59:40, skipping insertion in model container [2021-12-21 11:59:40,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:59:40" (3/3) ... [2021-12-21 11:59:40,904 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0480.c [2021-12-21 11:59:40,908 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 11:59:40,908 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 11:59:40,943 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 11:59:40,947 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 11:59:40,947 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 11:59:40,958 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 53 states have (on average 1.6415094339622642) internal successors, (87), 54 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 11:59:40,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-21 11:59:40,961 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:59:40,961 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:59:40,962 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:59:40,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:59:40,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1029505661, now seen corresponding path program 1 times [2021-12-21 11:59:40,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:59:40,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61841026] [2021-12-21 11:59:40,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:59:40,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:59:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:59:41,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 11:59:41,096 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:59:41,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61841026] [2021-12-21 11:59:41,097 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61841026] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:59:41,097 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:59:41,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 11:59:41,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747051278] [2021-12-21 11:59:41,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:59:41,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 11:59:41,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:59:41,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 11:59:41,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 11:59:41,135 INFO L87 Difference]: Start difference. First operand has 58 states, 53 states have (on average 1.6415094339622642) internal successors, (87), 54 states have internal predecessors, (87), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 11:59:41,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:59:41,163 INFO L93 Difference]: Finished difference Result 114 states and 182 transitions. [2021-12-21 11:59:41,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 11:59:41,167 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-21 11:59:41,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:59:41,173 INFO L225 Difference]: With dead ends: 114 [2021-12-21 11:59:41,173 INFO L226 Difference]: Without dead ends: 55 [2021-12-21 11:59:41,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 11:59:41,187 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 11:59:41,189 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 11:59:41,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-12-21 11:59:41,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-12-21 11:59:41,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 51 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-21 11:59:41,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 73 transitions. [2021-12-21 11:59:41,234 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 73 transitions. Word has length 10 [2021-12-21 11:59:41,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:59:41,234 INFO L470 AbstractCegarLoop]: Abstraction has 55 states and 73 transitions. [2021-12-21 11:59:41,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 11:59:41,235 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 73 transitions. [2021-12-21 11:59:41,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-21 11:59:41,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:59:41,236 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:59:41,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 11:59:41,236 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:59:41,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:59:41,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1305801536, now seen corresponding path program 1 times [2021-12-21 11:59:41,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:59:41,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683284130] [2021-12-21 11:59:41,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:59:41,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:59:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 11:59:41,283 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 11:59:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 11:59:41,347 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 11:59:41,348 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 11:59:41,350 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 11:59:41,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 11:59:41,354 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-21 11:59:41,356 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 11:59:41,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 11:59:41 BoogieIcfgContainer [2021-12-21 11:59:41,392 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 11:59:41,393 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 11:59:41,394 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 11:59:41,394 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 11:59:41,394 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:59:40" (3/4) ... [2021-12-21 11:59:41,396 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 11:59:41,397 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 11:59:41,397 INFO L158 Benchmark]: Toolchain (without parser) took 1157.77ms. Allocated memory is still 100.7MB. Free memory was 70.6MB in the beginning and 66.9MB in the end (delta: 3.6MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2021-12-21 11:59:41,398 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:59:41,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.02ms. Allocated memory is still 100.7MB. Free memory was 70.5MB in the beginning and 74.2MB in the end (delta: -3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 11:59:41,400 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.94ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 11:59:41,401 INFO L158 Benchmark]: Boogie Preprocessor took 37.05ms. Allocated memory is still 100.7MB. Free memory was 72.1MB in the beginning and 70.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 11:59:41,403 INFO L158 Benchmark]: RCFGBuilder took 323.34ms. Allocated memory is still 100.7MB. Free memory was 70.5MB in the beginning and 54.3MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-21 11:59:41,403 INFO L158 Benchmark]: TraceAbstraction took 493.66ms. Allocated memory is still 100.7MB. Free memory was 53.7MB in the beginning and 67.5MB in the end (delta: -13.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:59:41,403 INFO L158 Benchmark]: Witness Printer took 3.40ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 66.9MB in the end (delta: 568.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 11:59:41,407 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.02ms. Allocated memory is still 100.7MB. Free memory was 70.5MB in the beginning and 74.2MB in the end (delta: -3.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.94ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 72.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.05ms. Allocated memory is still 100.7MB. Free memory was 72.1MB in the beginning and 70.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 323.34ms. Allocated memory is still 100.7MB. Free memory was 70.5MB in the beginning and 54.3MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 493.66ms. Allocated memory is still 100.7MB. Free memory was 53.7MB in the beginning and 67.5MB in the end (delta: -13.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.40ms. Allocated memory is still 100.7MB. Free memory was 67.5MB in the beginning and 66.9MB in the end (delta: 568.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 184]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 183, overapproximation of someUnaryDOUBLEoperation at line 86, overapproximation of bitwiseAnd at line 100. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L83-L90] static const float one_acos = 1.0000000000e+00, pi = 3.1415925026e+00, pio2_hi_acos = 1.5707962513e+00, pio2_lo_acos = 7.5497894159e-08, pS0_acos = 1.6666667163e-01, pS1_acos = -3.2556581497e-01, pS2_acos = 2.0121252537e-01, pS3_acos = -4.0055535734e-02, pS4_acos = 7.9153501429e-04, pS5_acos = 3.4793309169e-05, qS1_acos = -2.4033949375e+00, qS2_acos = 2.0209457874e+00, qS3_acos = -6.8828397989e-01, qS4_acos = 7.7038154006e-02; VAL [one_acos=1, one_sqrt=1, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L179] float x = 1.0f; [L180] CALL, EXPR __ieee754_acosf(x) [L93] float z, p, q, r, w, s, c, df; [L94] __int32_t hx, ix; VAL [\old(x)=1, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L96] ieee_float_shape_type gf_u; [L97] gf_u.value = (x) [L98] EXPR gf_u.word [L98] (hx) = gf_u.word [L100] ix = hx & 0x7fffffff VAL [\old(x)=1, hx=6, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L101] COND TRUE ix == 0x3f800000 VAL [\old(x)=1, hx=6, ix=1065353216, one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=15707962513/5000000000, pi=75497894159/1000000000000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L102] COND TRUE hx > 0 [L103] return 0.0; VAL [\old(x)=1, \result=0, hx=6, ix=1065353216, one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/10000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L180] RET, EXPR __ieee754_acosf(x) [L180] float res = __ieee754_acosf(x); [L183] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_acos=1, one_sqrt=1, pi=15707962513/10000000000, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=0, res == 0.0f && __signbit_float(res) == 0=0, tiny_sqrt=1/1000000000000000000000000000000, x=1] [L183] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L184] reach_error() VAL [one_acos=1, one_sqrt=1, pi=75497894159/1000000000000000000, pi=15707962513/5000000000, pi=15707962513/10000000000, pS0_acos=16666667163/100000000000, pS2_acos=20121252537/100000000000, pS4_acos=79153501429/100000000000000, pS5_acos=34793309169/1000000000000000, qS2_acos=10104728937/5000000000, qS4_acos=38519077003/500000000000, res=0, tiny_sqrt=1/1000000000000000000000000000000, x=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 76 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-21 11:59:41,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0480.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 63d3574782fa6454b0d1694c2d11597178e5561b6615edd1b2b746975245a1dc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 11:59:43,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 11:59:43,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 11:59:43,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 11:59:43,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 11:59:43,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 11:59:43,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 11:59:43,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 11:59:43,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 11:59:43,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 11:59:43,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 11:59:43,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 11:59:43,070 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 11:59:43,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 11:59:43,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 11:59:43,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 11:59:43,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 11:59:43,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 11:59:43,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 11:59:43,086 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 11:59:43,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 11:59:43,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 11:59:43,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 11:59:43,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 11:59:43,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 11:59:43,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 11:59:43,096 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 11:59:43,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 11:59:43,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 11:59:43,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 11:59:43,099 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 11:59:43,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 11:59:43,100 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 11:59:43,101 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 11:59:43,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 11:59:43,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 11:59:43,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 11:59:43,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 11:59:43,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 11:59:43,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 11:59:43,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 11:59:43,106 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-21 11:59:43,130 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 11:59:43,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 11:59:43,132 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 11:59:43,132 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 11:59:43,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 11:59:43,133 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 11:59:43,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 11:59:43,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 11:59:43,134 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 11:59:43,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 11:59:43,134 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 11:59:43,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 11:59:43,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 11:59:43,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 11:59:43,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 11:59:43,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 11:59:43,135 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 11:59:43,136 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 11:59:43,136 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 11:59:43,136 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 11:59:43,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 11:59:43,136 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 11:59:43,136 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 11:59:43,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 11:59:43,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 11:59:43,137 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 11:59:43,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:59:43,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 11:59:43,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 11:59:43,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 11:59:43,138 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 11:59:43,138 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 11:59:43,138 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 11:59:43,138 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 11:59:43,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 11:59:43,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 11:59:43,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 11:59:43,139 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 63d3574782fa6454b0d1694c2d11597178e5561b6615edd1b2b746975245a1dc [2021-12-21 11:59:43,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 11:59:43,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 11:59:43,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 11:59:43,431 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 11:59:43,431 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 11:59:43,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0480.c [2021-12-21 11:59:43,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4aea5344/361915184b3c47e7a142b7ce9d43c6c5/FLAG214ca2ec0 [2021-12-21 11:59:43,880 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 11:59:43,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0480.c [2021-12-21 11:59:43,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4aea5344/361915184b3c47e7a142b7ce9d43c6c5/FLAG214ca2ec0 [2021-12-21 11:59:44,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4aea5344/361915184b3c47e7a142b7ce9d43c6c5 [2021-12-21 11:59:44,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 11:59:44,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 11:59:44,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 11:59:44,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 11:59:44,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 11:59:44,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:59:44" (1/1) ... [2021-12-21 11:59:44,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dfc4d6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:44, skipping insertion in model container [2021-12-21 11:59:44,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:59:44" (1/1) ... [2021-12-21 11:59:44,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 11:59:44,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 11:59:44,492 WARN L230 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-newlib/float_req_bl_0480.c[4489,4502] [2021-12-21 11:59:44,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:59:44,509 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 11:59:44,570 WARN L230 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-newlib/float_req_bl_0480.c[4489,4502] [2021-12-21 11:59:44,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:59:44,584 INFO L208 MainTranslator]: Completed translation [2021-12-21 11:59:44,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:44 WrapperNode [2021-12-21 11:59:44,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 11:59:44,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 11:59:44,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 11:59:44,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 11:59:44,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:44" (1/1) ... [2021-12-21 11:59:44,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:44" (1/1) ... [2021-12-21 11:59:44,632 INFO L137 Inliner]: procedures = 21, calls = 35, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 148 [2021-12-21 11:59:44,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 11:59:44,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 11:59:44,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 11:59:44,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 11:59:44,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:44" (1/1) ... [2021-12-21 11:59:44,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:44" (1/1) ... [2021-12-21 11:59:44,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:44" (1/1) ... [2021-12-21 11:59:44,656 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:44" (1/1) ... [2021-12-21 11:59:44,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:44" (1/1) ... [2021-12-21 11:59:44,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:44" (1/1) ... [2021-12-21 11:59:44,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:44" (1/1) ... [2021-12-21 11:59:44,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 11:59:44,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 11:59:44,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 11:59:44,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 11:59:44,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:59:44" (1/1) ... [2021-12-21 11:59:44,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:59:44,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 11:59:44,717 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) [2021-12-21 11:59:44,735 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 [2021-12-21 11:59:44,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 11:59:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 11:59:44,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 11:59:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-12-21 11:59:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-21 11:59:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 11:59:44,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 11:59:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-12-21 11:59:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-21 11:59:44,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 11:59:44,747 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2021-12-21 11:59:44,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2021-12-21 11:59:44,808 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 11:59:44,809 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 11:59:54,403 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: Not a regular bitvector operator with bitvector result: bvshl at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.notSimplified(BitvectorUtils.java:296) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplify_NonConstantCase(BitvectorUtils.java:291) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplifiedResult(BitvectorUtils.java:286) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils.termWithLocalSimplification(BitvectorUtils.java:217) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termWithLocalSimplification(SmtUtils.java:1490) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:405) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:391) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateToTerm(Expression2Term.java:120) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.addAssignment(Statements2TransFormula.java:288) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:703) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:733) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-21 11:59:54,405 INFO L158 Benchmark]: Toolchain (without parser) took 10100.69ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 33.4MB in the beginning and 52.6MB in the end (delta: -19.1MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-12-21 11:59:54,406 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:59:54,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.78ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 33.3MB in the beginning and 51.1MB in the end (delta: -17.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-12-21 11:59:54,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.89ms. Allocated memory is still 73.4MB. Free memory was 51.1MB in the beginning and 48.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 11:59:54,407 INFO L158 Benchmark]: Boogie Preprocessor took 57.30ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 46.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 11:59:54,407 INFO L158 Benchmark]: RCFGBuilder took 9712.98ms. Allocated memory is still 73.4MB. Free memory was 46.7MB in the beginning and 52.6MB in the end (delta: -5.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2021-12-21 11:59:54,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.78ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 33.3MB in the beginning and 51.1MB in the end (delta: -17.9MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.89ms. Allocated memory is still 73.4MB. Free memory was 51.1MB in the beginning and 48.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.30ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 46.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9712.98ms. Allocated memory is still 73.4MB. Free memory was 46.7MB in the beginning and 52.6MB in the end (delta: -5.9MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: Not a regular bitvector operator with bitvector result: bvshl: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-21 11:59:54,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl