./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1011b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_1011b.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 10784a87e48316f2b03c13799bd6ebc99b9b18e5987e0f86e07dc775e21d10ae --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 07:52:32,205 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 07:52:32,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 07:52:32,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 07:52:32,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 07:52:32,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 07:52:32,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 07:52:32,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 07:52:32,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 07:52:32,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 07:52:32,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 07:52:32,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 07:52:32,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 07:52:32,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 07:52:32,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 07:52:32,271 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 07:52:32,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 07:52:32,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 07:52:32,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 07:52:32,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 07:52:32,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 07:52:32,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 07:52:32,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 07:52:32,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 07:52:32,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 07:52:32,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 07:52:32,287 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 07:52:32,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 07:52:32,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 07:52:32,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 07:52:32,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 07:52:32,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 07:52:32,291 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 07:52:32,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 07:52:32,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 07:52:32,294 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 07:52:32,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 07:52:32,294 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 07:52:32,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 07:52:32,295 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 07:52:32,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 07:52:32,296 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-17 07:52:32,317 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 07:52:32,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 07:52:32,320 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 07:52:32,320 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 07:52:32,321 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 07:52:32,321 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 07:52:32,322 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 07:52:32,322 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 07:52:32,322 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 07:52:32,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 07:52:32,323 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 07:52:32,323 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-17 07:52:32,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 07:52:32,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 07:52:32,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 07:52:32,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 07:52:32,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 07:52:32,324 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 07:52:32,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 07:52:32,324 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 07:52:32,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 07:52:32,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 07:52:32,325 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 07:52:32,325 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 07:52:32,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:52:32,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 07:52:32,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 07:52:32,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 07:52:32,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-17 07:52:32,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-17 07:52:32,327 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 07:52:32,327 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 07:52:32,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 07:52:32,328 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 07:52:32,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10784a87e48316f2b03c13799bd6ebc99b9b18e5987e0f86e07dc775e21d10ae [2021-12-17 07:52:32,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 07:52:32,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 07:52:32,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 07:52:32,573 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 07:52:32,574 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 07:52:32,574 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1011b.c [2021-12-17 07:52:32,622 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e647a6b25/8337148d9c114db78594d438ac180471/FLAG401c7af24 [2021-12-17 07:52:33,006 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 07:52:33,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c [2021-12-17 07:52:33,011 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e647a6b25/8337148d9c114db78594d438ac180471/FLAG401c7af24 [2021-12-17 07:52:33,020 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e647a6b25/8337148d9c114db78594d438ac180471 [2021-12-17 07:52:33,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 07:52:33,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 07:52:33,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 07:52:33,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 07:52:33,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 07:52:33,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:52:33" (1/1) ... [2021-12-17 07:52:33,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7321d50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:33, skipping insertion in model container [2021-12-17 07:52:33,030 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:52:33" (1/1) ... [2021-12-17 07:52:33,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 07:52:33,045 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 07:52:33,165 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_1011b.c[1146,1159] [2021-12-17 07:52:33,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:52:33,174 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 07:52:33,192 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_1011b.c[1146,1159] [2021-12-17 07:52:33,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:52:33,205 INFO L208 MainTranslator]: Completed translation [2021-12-17 07:52:33,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:33 WrapperNode [2021-12-17 07:52:33,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 07:52:33,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 07:52:33,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 07:52:33,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 07:52:33,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:33" (1/1) ... [2021-12-17 07:52:33,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:33" (1/1) ... [2021-12-17 07:52:33,234 INFO L137 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2021-12-17 07:52:33,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 07:52:33,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 07:52:33,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 07:52:33,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 07:52:33,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:33" (1/1) ... [2021-12-17 07:52:33,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:33" (1/1) ... [2021-12-17 07:52:33,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:33" (1/1) ... [2021-12-17 07:52:33,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:33" (1/1) ... [2021-12-17 07:52:33,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:33" (1/1) ... [2021-12-17 07:52:33,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:33" (1/1) ... [2021-12-17 07:52:33,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:33" (1/1) ... [2021-12-17 07:52:33,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 07:52:33,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 07:52:33,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 07:52:33,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 07:52:33,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:33" (1/1) ... [2021-12-17 07:52:33,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:52:33,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 07:52:33,313 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) [2021-12-17 07:52:33,330 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 [2021-12-17 07:52:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 07:52:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-17 07:52:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 07:52:33,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-17 07:52:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-17 07:52:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-17 07:52:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 07:52:33,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 07:52:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-17 07:52:33,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 07:52:33,419 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 07:52:33,421 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 07:52:33,557 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 07:52:33,561 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 07:52:33,561 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-17 07:52:33,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:52:33 BoogieIcfgContainer [2021-12-17 07:52:33,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 07:52:33,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 07:52:33,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 07:52:33,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 07:52:33,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 07:52:33" (1/3) ... [2021-12-17 07:52:33,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c05b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:52:33, skipping insertion in model container [2021-12-17 07:52:33,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:33" (2/3) ... [2021-12-17 07:52:33,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c05b5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:52:33, skipping insertion in model container [2021-12-17 07:52:33,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:52:33" (3/3) ... [2021-12-17 07:52:33,584 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1011b.c [2021-12-17 07:52:33,588 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 07:52:33,588 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 07:52:33,635 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 07:52:33,641 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 [2021-12-17 07:52:33,642 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 07:52:33,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) [2021-12-17 07:52:33,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-17 07:52:33,665 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:52:33,666 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:52:33,666 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:52:33,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:52:33,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2021-12-17 07:52:33,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 07:52:33,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215542806] [2021-12-17 07:52:33,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:52:33,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 07:52:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:52:33,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:52:33,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-17 07:52:33,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215542806] [2021-12-17 07:52:33,772 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215542806] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:52:33,772 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:52:33,772 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 07:52:33,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075926786] [2021-12-17 07:52:33,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:52:33,777 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 07:52:33,777 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-17 07:52:33,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 07:52:33,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:52:33,802 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-12-17 07:52:33,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:52:33,816 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2021-12-17 07:52:33,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 07:52:33,818 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-12-17 07:52:33,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:52:33,823 INFO L225 Difference]: With dead ends: 36 [2021-12-17 07:52:33,823 INFO L226 Difference]: Without dead ends: 16 [2021-12-17 07:52:33,825 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 [2021-12-17 07:52:33,828 INFO L933 BasicCegarLoop]: 19 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, 19 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 [2021-12-17 07:52:33,829 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 07:52:33,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-12-17 07:52:33,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-12-17 07:52:33,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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) [2021-12-17 07:52:33,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-12-17 07:52:33,849 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2021-12-17 07:52:33,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:52:33,849 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-12-17 07:52:33,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-12-17 07:52:33,850 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-12-17 07:52:33,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-17 07:52:33,851 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:52:33,851 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:52:33,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-17 07:52:33,852 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:52:33,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:52:33,855 INFO L85 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2021-12-17 07:52:33,855 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-17 07:52:33,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146079964] [2021-12-17 07:52:33,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:52:33,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-17 07:52:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 07:52:33,895 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-17 07:52:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-17 07:52:33,941 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-17 07:52:33,942 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-17 07:52:33,944 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 07:52:33,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-17 07:52:33,952 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-17 07:52:33,955 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 07:52:33,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 07:52:33 BoogieIcfgContainer [2021-12-17 07:52:33,977 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 07:52:33,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 07:52:33,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 07:52:33,979 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 07:52:33,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:52:33" (3/4) ... [2021-12-17 07:52:33,982 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-17 07:52:33,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 07:52:33,983 INFO L158 Benchmark]: Toolchain (without parser) took 958.97ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 87.2MB in the beginning and 80.0MB in the end (delta: 7.2MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2021-12-17 07:52:33,983 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:52:33,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.93ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 86.8MB in the beginning and 118.3MB in the end (delta: -31.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-17 07:52:33,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.11ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 116.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 07:52:33,988 INFO L158 Benchmark]: Boogie Preprocessor took 37.82ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 115.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 07:52:33,988 INFO L158 Benchmark]: RCFGBuilder took 290.18ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 104.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-17 07:52:33,988 INFO L158 Benchmark]: TraceAbstraction took 413.22ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 80.6MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-17 07:52:33,989 INFO L158 Benchmark]: Witness Printer took 3.07ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 80.0MB in the end (delta: 560.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 07:52:33,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 113.2MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 180.93ms. Allocated memory was 113.2MB in the beginning and 142.6MB in the end (delta: 29.4MB). Free memory was 86.8MB in the beginning and 118.3MB in the end (delta: -31.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.11ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 116.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.82ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 115.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.18ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 104.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 413.22ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 80.6MB in the end (delta: 23.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 3.07ms. Allocated memory is still 142.6MB. Free memory was 80.6MB in the beginning and 80.0MB in the end (delta: 560.8kB). 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: 52]: 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 51, overapproximation of someUnaryFLOAToperation at line 47, overapproximation of bitwiseAnd at line 23. Possible FailurePath: [L47] float x = -0.0f; [L48] CALL, EXPR fabs_float(x) [L15] __uint32_t ix; VAL [\old(x)=50, x=50] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (ix) = gf_u.word [L22] ieee_float_shape_type sf_u; [L23] sf_u.word = (ix & 0x7fffffff) [L24] EXPR sf_u.value [L24] (x) = sf_u.value [L26] return x; VAL [\old(x)=50, \result=49, ix=51, x=49] [L48] RET, EXPR fabs_float(x) [L48] float res = fabs_float(x); [L51] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [res=49, res == 0.0f && __signbit_float(res) == 0=0, x=50] [L51] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L52] reach_error() VAL [res=49, x=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 19 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, 19 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=19occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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 [2021-12-17 07:52:34,024 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_1011b.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 10784a87e48316f2b03c13799bd6ebc99b9b18e5987e0f86e07dc775e21d10ae --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-17 07:52:35,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-17 07:52:35,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-17 07:52:35,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-17 07:52:35,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-17 07:52:35,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-17 07:52:35,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-17 07:52:35,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-17 07:52:35,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-17 07:52:35,913 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-17 07:52:35,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-17 07:52:35,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-17 07:52:35,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-17 07:52:35,918 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-17 07:52:35,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-17 07:52:35,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-17 07:52:35,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-17 07:52:35,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-17 07:52:35,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-17 07:52:35,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-17 07:52:35,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-17 07:52:35,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-17 07:52:35,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-17 07:52:35,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-17 07:52:35,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-17 07:52:35,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-17 07:52:35,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-17 07:52:35,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-17 07:52:35,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-17 07:52:35,948 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-17 07:52:35,948 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-17 07:52:35,949 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-17 07:52:35,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-17 07:52:35,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-17 07:52:35,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-17 07:52:35,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-17 07:52:35,966 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-17 07:52:35,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-17 07:52:35,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-17 07:52:35,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-17 07:52:35,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-17 07:52:35,969 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-17 07:52:35,993 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-17 07:52:35,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-17 07:52:35,994 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-17 07:52:35,994 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-17 07:52:35,995 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-17 07:52:35,995 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-17 07:52:35,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-17 07:52:35,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-17 07:52:35,996 INFO L138 SettingsManager]: * Use SBE=true [2021-12-17 07:52:35,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-17 07:52:35,997 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-17 07:52:35,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-17 07:52:35,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-17 07:52:35,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-17 07:52:35,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-17 07:52:35,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-17 07:52:35,998 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-17 07:52:35,998 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-17 07:52:35,998 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-17 07:52:35,998 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-17 07:52:35,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-17 07:52:35,999 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-17 07:52:35,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-17 07:52:35,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-17 07:52:35,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-17 07:52:35,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-17 07:52:35,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:52:36,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-17 07:52:36,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-17 07:52:36,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-17 07:52:36,000 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-17 07:52:36,000 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-17 07:52:36,000 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-17 07:52:36,001 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-17 07:52:36,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-17 07:52:36,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-17 07:52:36,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-17 07:52:36,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10784a87e48316f2b03c13799bd6ebc99b9b18e5987e0f86e07dc775e21d10ae [2021-12-17 07:52:36,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-17 07:52:36,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-17 07:52:36,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-17 07:52:36,415 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-17 07:52:36,415 INFO L275 PluginConnector]: CDTParser initialized [2021-12-17 07:52:36,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1011b.c [2021-12-17 07:52:36,466 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21f6bb5b7/b3b9d224922d458e9e586c0c73bc97eb/FLAG3a8051584 [2021-12-17 07:52:36,824 INFO L306 CDTParser]: Found 1 translation units. [2021-12-17 07:52:36,825 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1011b.c [2021-12-17 07:52:36,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21f6bb5b7/b3b9d224922d458e9e586c0c73bc97eb/FLAG3a8051584 [2021-12-17 07:52:37,235 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21f6bb5b7/b3b9d224922d458e9e586c0c73bc97eb [2021-12-17 07:52:37,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-17 07:52:37,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-17 07:52:37,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-17 07:52:37,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-17 07:52:37,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-17 07:52:37,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:52:37" (1/1) ... [2021-12-17 07:52:37,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff7697d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:37, skipping insertion in model container [2021-12-17 07:52:37,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.12 07:52:37" (1/1) ... [2021-12-17 07:52:37,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-17 07:52:37,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-17 07:52:37,484 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_1011b.c[1146,1159] [2021-12-17 07:52:37,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:52:37,505 INFO L203 MainTranslator]: Completed pre-run [2021-12-17 07:52:37,547 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_1011b.c[1146,1159] [2021-12-17 07:52:37,554 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-17 07:52:37,583 INFO L208 MainTranslator]: Completed translation [2021-12-17 07:52:37,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:37 WrapperNode [2021-12-17 07:52:37,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-17 07:52:37,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-17 07:52:37,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-17 07:52:37,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-17 07:52:37,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:37" (1/1) ... [2021-12-17 07:52:37,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:37" (1/1) ... [2021-12-17 07:52:37,649 INFO L137 Inliner]: procedures = 20, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2021-12-17 07:52:37,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-17 07:52:37,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-17 07:52:37,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-17 07:52:37,650 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-17 07:52:37,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:37" (1/1) ... [2021-12-17 07:52:37,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:37" (1/1) ... [2021-12-17 07:52:37,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:37" (1/1) ... [2021-12-17 07:52:37,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:37" (1/1) ... [2021-12-17 07:52:37,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:37" (1/1) ... [2021-12-17 07:52:37,695 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:37" (1/1) ... [2021-12-17 07:52:37,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:37" (1/1) ... [2021-12-17 07:52:37,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-17 07:52:37,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-17 07:52:37,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-17 07:52:37,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-17 07:52:37,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:37" (1/1) ... [2021-12-17 07:52:37,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-17 07:52:37,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-17 07:52:37,736 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) [2021-12-17 07:52:37,776 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 [2021-12-17 07:52:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-17 07:52:37,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-17 07:52:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-17 07:52:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-12-17 07:52:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-17 07:52:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-17 07:52:37,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-17 07:52:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-12-17 07:52:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-17 07:52:37,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-17 07:52:37,856 INFO L236 CfgBuilder]: Building ICFG [2021-12-17 07:52:37,858 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-17 07:52:37,970 INFO L277 CfgBuilder]: Performing block encoding [2021-12-17 07:52:37,974 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-17 07:52:37,974 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-12-17 07:52:37,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:52:37 BoogieIcfgContainer [2021-12-17 07:52:37,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-17 07:52:37,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-17 07:52:37,976 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-17 07:52:37,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-17 07:52:37,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.12 07:52:37" (1/3) ... [2021-12-17 07:52:37,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6beafae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:52:37, skipping insertion in model container [2021-12-17 07:52:37,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.12 07:52:37" (2/3) ... [2021-12-17 07:52:37,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6beafae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 07:52:37, skipping insertion in model container [2021-12-17 07:52:37,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:52:37" (3/3) ... [2021-12-17 07:52:37,980 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1011b.c [2021-12-17 07:52:38,000 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-17 07:52:38,000 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-17 07:52:38,046 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-17 07:52:38,065 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 [2021-12-17 07:52:38,065 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-17 07:52:38,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) [2021-12-17 07:52:38,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-12-17 07:52:38,076 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:52:38,076 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:52:38,076 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:52:38,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:52:38,080 INFO L85 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2021-12-17 07:52:38,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:52:38,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [693139488] [2021-12-17 07:52:38,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:52:38,088 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:52:38,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:52:38,090 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:52:38,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-17 07:52:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:52:38,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2021-12-17 07:52:38,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:52:38,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:52:38,181 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:52:38,182 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:52:38,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [693139488] [2021-12-17 07:52:38,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [693139488] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:52:38,182 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:52:38,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-17 07:52:38,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929716315] [2021-12-17 07:52:38,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:52:38,186 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-17 07:52:38,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:52:38,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-17 07:52:38,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:52:38,205 INFO L87 Difference]: Start difference. First operand has 19 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 18 states have internal predecessors, (26), 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) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-12-17 07:52:38,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:52:38,214 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2021-12-17 07:52:38,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-17 07:52:38,215 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-12-17 07:52:38,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:52:38,220 INFO L225 Difference]: With dead ends: 36 [2021-12-17 07:52:38,220 INFO L226 Difference]: Without dead ends: 16 [2021-12-17 07:52:38,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-17 07:52:38,224 INFO L933 BasicCegarLoop]: 19 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, 19 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 [2021-12-17 07:52:38,225 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-17 07:52:38,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-12-17 07:52:38,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-12-17 07:52:38,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 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) [2021-12-17 07:52:38,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-12-17 07:52:38,243 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2021-12-17 07:52:38,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:52:38,243 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-12-17 07:52:38,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-12-17 07:52:38,244 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-12-17 07:52:38,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-17 07:52:38,244 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:52:38,244 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:52:38,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-17 07:52:38,452 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:52:38,452 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:52:38,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:52:38,456 INFO L85 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2021-12-17 07:52:38,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:52:38,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649631504] [2021-12-17 07:52:38,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:52:38,459 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:52:38,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:52:38,476 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:52:38,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-17 07:52:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:52:38,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 16 conjunts are in the unsatisfiable core [2021-12-17 07:52:38,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:52:38,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-17 07:52:38,693 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 26 [2021-12-17 07:52:38,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:52:38,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:52:38,817 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:52:38,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1649631504] [2021-12-17 07:52:38,817 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1649631504] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:52:38,818 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:52:38,818 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-17 07:52:38,818 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006081199] [2021-12-17 07:52:38,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:52:38,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-17 07:52:38,819 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:52:38,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-17 07:52:38,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-17 07:52:38,820 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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) [2021-12-17 07:52:38,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:52:38,858 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2021-12-17 07:52:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-17 07:52:38,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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 11 [2021-12-17 07:52:38,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:52:38,861 INFO L225 Difference]: With dead ends: 19 [2021-12-17 07:52:38,861 INFO L226 Difference]: Without dead ends: 16 [2021-12-17 07:52:38,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-17 07:52:38,868 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 6 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:52:38,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 45 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 13 Unchecked, 0.0s Time] [2021-12-17 07:52:38,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-12-17 07:52:38,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-12-17 07:52:38,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 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) [2021-12-17 07:52:38,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2021-12-17 07:52:38,876 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2021-12-17 07:52:38,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:52:38,878 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2021-12-17 07:52:38,878 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 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) [2021-12-17 07:52:38,878 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2021-12-17 07:52:38,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-12-17 07:52:38,880 INFO L506 BasicCegarLoop]: Found error trace [2021-12-17 07:52:38,880 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-17 07:52:38,887 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-17 07:52:39,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:52:39,087 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-17 07:52:39,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-17 07:52:39,088 INFO L85 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2021-12-17 07:52:39,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-17 07:52:39,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [108259437] [2021-12-17 07:52:39,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-17 07:52:39,090 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-17 07:52:39,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-17 07:52:39,091 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-17 07:52:39,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-17 07:52:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-17 07:52:39,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-17 07:52:39,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-17 07:52:39,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-17 07:52:39,198 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-12-17 07:52:39,199 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 31 [2021-12-17 07:52:39,403 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2021-12-17 07:52:39,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-17 07:52:39,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-17 07:52:39,554 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-17 07:52:39,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [108259437] [2021-12-17 07:52:39,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [108259437] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-17 07:52:39,554 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-17 07:52:39,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-17 07:52:39,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394298178] [2021-12-17 07:52:39,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-17 07:52:39,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-17 07:52:39,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-17 07:52:39,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-17 07:52:39,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-12-17 07:52:39,556 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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) [2021-12-17 07:52:39,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-17 07:52:39,578 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2021-12-17 07:52:39,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-17 07:52:39,578 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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 15 [2021-12-17 07:52:39,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-17 07:52:39,579 INFO L225 Difference]: With dead ends: 16 [2021-12-17 07:52:39,579 INFO L226 Difference]: Without dead ends: 0 [2021-12-17 07:52:39,579 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-12-17 07:52:39,580 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 2 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 22 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-17 07:52:39,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 35 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 22 Unchecked, 0.0s Time] [2021-12-17 07:52:39,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-17 07:52:39,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-17 07:52:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-12-17 07:52:39,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-17 07:52:39,581 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-12-17 07:52:39,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-17 07:52:39,582 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-17 07:52:39,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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) [2021-12-17 07:52:39,582 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-17 07:52:39,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-17 07:52:39,584 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-17 07:52:39,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-12-17 07:52:39,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-17 07:52:39,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-17 07:52:39,822 INFO L861 garLoopResultBuilder]: At program point L56(lines 41 57) the Hoare annotation is: true [2021-12-17 07:52:39,823 INFO L858 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-12-17 07:52:39,823 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-17 07:52:39,823 INFO L858 garLoopResultBuilder]: For program point L32-1(lines 32 36) no Hoare annotation was computed. [2021-12-17 07:52:39,823 INFO L854 garLoopResultBuilder]: At program point L32-2(lines 32 36) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8| (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8|) (_ bv0 32)))) (and (= .cse0 (bvand (_ bv2147483647 32) v_arrayElimCell_2)) (= (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)) (fp.neg (_ +zero 8 24))) (= |ULTIMATE.start___signbit_float_~x#1| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))))) |ULTIMATE.start_main_#t~short9#1|) [2021-12-17 07:52:39,823 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-17 07:52:39,828 INFO L858 garLoopResultBuilder]: For program point L32-3(lines 32 36) no Hoare annotation was computed. [2021-12-17 07:52:39,828 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-17 07:52:39,828 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 52) no Hoare annotation was computed. [2021-12-17 07:52:39,828 INFO L858 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2021-12-17 07:52:39,828 INFO L854 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: (= |ULTIMATE.start_fabs_float_~x#1| (fp.neg (_ +zero 8 24))) [2021-12-17 07:52:39,829 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-17 07:52:39,829 INFO L858 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2021-12-17 07:52:39,829 INFO L858 garLoopResultBuilder]: For program point L21-1(lines 14 27) no Hoare annotation was computed. [2021-12-17 07:52:39,829 INFO L858 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2021-12-17 07:52:39,829 INFO L854 garLoopResultBuilder]: At program point L38(lines 29 39) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short9#1| (exists ((|ULTIMATE.start___signbit_float_~w~0#1| (_ BitVec 32))) (and (let ((.cse0 (= (_ bv0 32) (bvand (_ bv2147483648 32) |ULTIMATE.start___signbit_float_~w~0#1|)))) (or (and (not .cse0) (= |ULTIMATE.start___signbit_float_#res#1| (_ bv1 32))) (and .cse0 (= |ULTIMATE.start___signbit_float_#res#1| (_ bv0 32))))) (exists ((v_arrayElimCell_2 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 30 23) |ULTIMATE.start___signbit_float_~w~0#1|) ((_ extract 22 0) |ULTIMATE.start___signbit_float_~w~0#1|)) (let ((.cse1 (bvand (_ bv2147483647 32) v_arrayElimCell_2))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (= (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)) (fp.neg (_ +zero 8 24)))))))) [2021-12-17 07:52:39,829 INFO L854 garLoopResultBuilder]: At program point L26(lines 14 27) the Hoare annotation is: (exists ((|v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8| (_ BitVec 32)) (v_arrayElimCell_2 (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8|) (_ bv0 32)))) (and (= |ULTIMATE.start_fabs_float_#res#1| (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (= .cse0 (bvand (_ bv2147483647 32) v_arrayElimCell_2)) (= (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)) (fp.neg (_ +zero 8 24)))))) [2021-12-17 07:52:39,830 INFO L858 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2021-12-17 07:52:39,830 INFO L858 garLoopResultBuilder]: For program point L51-2(lines 51 54) no Hoare annotation was computed. [2021-12-17 07:52:39,832 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-12-17 07:52:39,833 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-17 07:52:39,837 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,837 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,837 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,837 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,838 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,838 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,838 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,838 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,842 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,842 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,843 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,843 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,843 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,843 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,843 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,843 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,844 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,845 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,846 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,847 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,847 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,847 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,847 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,848 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,848 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,848 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,848 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,848 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,848 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,848 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,849 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,849 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,849 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,849 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,849 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,849 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,850 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,850 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,850 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,850 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,850 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,850 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,850 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,851 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 07:52:39 BoogieIcfgContainer [2021-12-17 07:52:39,851 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-17 07:52:39,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-17 07:52:39,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-17 07:52:39,852 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-17 07:52:39,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 07:52:37" (3/4) ... [2021-12-17 07:52:39,854 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-17 07:52:39,860 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-12-17 07:52:39,860 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-17 07:52:39,861 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-17 07:52:39,861 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-17 07:52:39,876 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-17 07:52:39,876 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-17 07:52:39,877 INFO L158 Benchmark]: Toolchain (without parser) took 2631.56ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 44.2MB in the beginning and 58.1MB in the end (delta: -13.9MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-12-17 07:52:39,877 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 51.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:52:39,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.76ms. Allocated memory is still 62.9MB. Free memory was 44.0MB in the beginning and 46.6MB in the end (delta: -2.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-17 07:52:39,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.80ms. Allocated memory is still 62.9MB. Free memory was 46.4MB in the beginning and 45.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-17 07:52:39,878 INFO L158 Benchmark]: Boogie Preprocessor took 62.76ms. Allocated memory is still 62.9MB. Free memory was 44.8MB in the beginning and 43.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 07:52:39,878 INFO L158 Benchmark]: RCFGBuilder took 261.71ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 32.8MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-17 07:52:39,878 INFO L158 Benchmark]: TraceAbstraction took 1875.05ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 32.4MB in the beginning and 60.9MB in the end (delta: -28.5MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2021-12-17 07:52:39,878 INFO L158 Benchmark]: Witness Printer took 24.54ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 58.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-17 07:52:39,879 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 62.9MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 51.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.76ms. Allocated memory is still 62.9MB. Free memory was 44.0MB in the beginning and 46.6MB in the end (delta: -2.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.80ms. Allocated memory is still 62.9MB. Free memory was 46.4MB in the beginning and 45.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.76ms. Allocated memory is still 62.9MB. Free memory was 44.8MB in the beginning and 43.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 261.71ms. Allocated memory is still 62.9MB. Free memory was 43.5MB in the beginning and 32.8MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1875.05ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 32.4MB in the beginning and 60.9MB in the end (delta: -28.5MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Witness Printer took 24.54ms. Allocated memory is still 83.9MB. Free memory was 60.9MB in the beginning and 58.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] * 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: 52]: 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 1 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 3, 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, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 35 IncrementalHoareTripleChecker+Unchecked, 65 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 34 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 20, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 148 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 28 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 15 QuantifiedInterpolants, 559 SizeOfPredicates, 21 NumberOfNonLiveVariables, 142 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant [2021-12-17 07:52:39,890 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,890 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,890 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,890 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,890 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,890 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,891 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,891 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,891 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,891 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,891 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,891 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8 : bv32, v_arrayElimCell_2 : bv32 :: (unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8][0bv32] == ~bvand32(2147483647bv32, v_arrayElimCell_2) && ~fp~LONGDOUBLE(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8][0bv32][22:0])) && aux-res == 0.0f && __signbit_float(res) == 0-aux - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 14]: Loop Invariant [2021-12-17 07:52:39,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,894 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,894 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,894 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,894 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8,QUANTIFIED] [2021-12-17 07:52:39,894 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,894 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,894 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,894 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] Derived loop invariant: (\exists v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8 : bv32, v_arrayElimCell_2 : bv32 :: (\result == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8][0bv32][22:0]) && unknown-#memory_int-unknown[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_8][0bv32] == ~bvand32(2147483647bv32, v_arrayElimCell_2)) && ~fp~LONGDOUBLE(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 29]: Loop Invariant [2021-12-17 07:52:39,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,896 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,896 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,896 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,896 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,896 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,896 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,897 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,897 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,897 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___signbit_float_~w~0#1,QUANTIFIED] [2021-12-17 07:52:39,897 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,897 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,897 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,897 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,897 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] [2021-12-17 07:52:39,897 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_2,QUANTIFIED] Derived loop invariant: aux-res == 0.0f && __signbit_float(res) == 0-aux && (\exists ULTIMATE.start___signbit_float_~w~0#1 : bv32 :: ((!(0bv32 == ~bvand32(2147483648bv32, ULTIMATE.start___signbit_float_~w~0#1)) && \result == 1bv32) || (0bv32 == ~bvand32(2147483648bv32, ULTIMATE.start___signbit_float_~w~0#1) && \result == 0bv32)) && (\exists v_arrayElimCell_2 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___signbit_float_~w~0#1[31:31], ULTIMATE.start___signbit_float_~w~0#1[30:23], ULTIMATE.start___signbit_float_~w~0#1[22:0]) == ~fp~LONGDOUBLE(~bvand32(2147483647bv32, v_arrayElimCell_2)[31:31], ~bvand32(2147483647bv32, v_arrayElimCell_2)[30:23], ~bvand32(2147483647bv32, v_arrayElimCell_2)[22:0]) && ~fp~LONGDOUBLE(v_arrayElimCell_2[31:31], v_arrayElimCell_2[30:23], v_arrayElimCell_2[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()))) RESULT: Ultimate proved your program to be correct! [2021-12-17 07:52:39,919 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE