./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_1092b.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 b6a79bd811ba30bc3163e272e2b4a2c8d4bc7e99a75fdcec3ffb0e3966342f97 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 11:58:52,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 11:58:52,332 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 11:58:52,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 11:58:52,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 11:58:52,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 11:58:52,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 11:58:52,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 11:58:52,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 11:58:52,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 11:58:52,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 11:58:52,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 11:58:52,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 11:58:52,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 11:58:52,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 11:58:52,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 11:58:52,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 11:58:52,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 11:58:52,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 11:58:52,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 11:58:52,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 11:58:52,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 11:58:52,437 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 11:58:52,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 11:58:52,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 11:58:52,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 11:58:52,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 11:58:52,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 11:58:52,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 11:58:52,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 11:58:52,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 11:58:52,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 11:58:52,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 11:58:52,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 11:58:52,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 11:58:52,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 11:58:52,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 11:58:52,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 11:58:52,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 11:58:52,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 11:58:52,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 11:58:52,450 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 11:58:52,470 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 11:58:52,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 11:58:52,470 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 11:58:52,470 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 11:58:52,471 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 11:58:52,471 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 11:58:52,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 11:58:52,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 11:58:52,472 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 11:58:52,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 11:58:52,473 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 11:58:52,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 11:58:52,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 11:58:52,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 11:58:52,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 11:58:52,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 11:58:52,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 11:58:52,474 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 11:58:52,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 11:58:52,474 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 11:58:52,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 11:58:52,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 11:58:52,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 11:58:52,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 11:58:52,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:58:52,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 11:58:52,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 11:58:52,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 11:58:52,476 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 11:58:52,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 11:58:52,476 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 11:58:52,476 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 11:58:52,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 11:58:52,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 11:58:52,477 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a79bd811ba30bc3163e272e2b4a2c8d4bc7e99a75fdcec3ffb0e3966342f97 [2021-12-21 11:58:52,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 11:58:52,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 11:58:52,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 11:58:52,707 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 11:58:52,707 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 11:58:52,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2021-12-21 11:58:52,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ab911b3/4fbc352dcf8b4d869536dc19f5230bd9/FLAGb97c81f2e [2021-12-21 11:58:53,179 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 11:58:53,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2021-12-21 11:58:53,189 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ab911b3/4fbc352dcf8b4d869536dc19f5230bd9/FLAGb97c81f2e [2021-12-21 11:58:53,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08ab911b3/4fbc352dcf8b4d869536dc19f5230bd9 [2021-12-21 11:58:53,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 11:58:53,208 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 11:58:53,210 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 11:58:53,210 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 11:58:53,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 11:58:53,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:58:53" (1/1) ... [2021-12-21 11:58:53,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66ba6f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:53, skipping insertion in model container [2021-12-21 11:58:53,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:58:53" (1/1) ... [2021-12-21 11:58:53,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 11:58:53,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 11:58:53,425 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/double_req_bl_1092b.c[2109,2122] [2021-12-21 11:58:53,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:58:53,433 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 11:58:53,467 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/double_req_bl_1092b.c[2109,2122] [2021-12-21 11:58:53,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:58:53,477 INFO L208 MainTranslator]: Completed translation [2021-12-21 11:58:53,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:53 WrapperNode [2021-12-21 11:58:53,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 11:58:53,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 11:58:53,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 11:58:53,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 11:58:53,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:53" (1/1) ... [2021-12-21 11:58:53,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:53" (1/1) ... [2021-12-21 11:58:53,513 INFO L137 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 93 [2021-12-21 11:58:53,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 11:58:53,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 11:58:53,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 11:58:53,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 11:58:53,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:53" (1/1) ... [2021-12-21 11:58:53,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:53" (1/1) ... [2021-12-21 11:58:53,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:53" (1/1) ... [2021-12-21 11:58:53,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:53" (1/1) ... [2021-12-21 11:58:53,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:53" (1/1) ... [2021-12-21 11:58:53,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:53" (1/1) ... [2021-12-21 11:58:53,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:53" (1/1) ... [2021-12-21 11:58:53,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 11:58:53,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 11:58:53,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 11:58:53,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 11:58:53,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:53" (1/1) ... [2021-12-21 11:58:53,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:58:53,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 11:58:53,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 11:58:53,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 11:58:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 11:58:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 11:58:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 11:58:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-21 11:58:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 11:58:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-21 11:58:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 11:58:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 11:58:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 11:58:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 11:58:53,664 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 11:58:53,665 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 11:58:53,840 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 11:58:53,844 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 11:58:53,844 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-21 11:58:53,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:58:53 BoogieIcfgContainer [2021-12-21 11:58:53,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 11:58:53,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 11:58:53,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 11:58:53,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 11:58:53,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 11:58:53" (1/3) ... [2021-12-21 11:58:53,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f30c1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:58:53, skipping insertion in model container [2021-12-21 11:58:53,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:53" (2/3) ... [2021-12-21 11:58:53,867 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f30c1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 11:58:53, skipping insertion in model container [2021-12-21 11:58:53,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:58:53" (3/3) ... [2021-12-21 11:58:53,868 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b.c [2021-12-21 11:58:53,871 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 11:58:53,871 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 11:58:53,912 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 11:58:53,919 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 11:58:53,920 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 11:58:53,931 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 11:58:53,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-21 11:58:53,935 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:58:53,935 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:58:53,936 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:58:53,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:58:53,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2021-12-21 11:58:53,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:58:53,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192714174] [2021-12-21 11:58:53,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:58:53,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:58:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 11:58:54,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 11:58:54,058 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 11:58:54,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192714174] [2021-12-21 11:58:54,059 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192714174] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 11:58:54,059 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 11:58:54,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 11:58:54,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195608194] [2021-12-21 11:58:54,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 11:58:54,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 11:58:54,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 11:58:54,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 11:58:54,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 11:58:54,086 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 32 states have internal predecessors, (52), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 11:58:54,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 11:58:54,101 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2021-12-21 11:58:54,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 11:58:54,103 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-12-21 11:58:54,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 11:58:54,108 INFO L225 Difference]: With dead ends: 64 [2021-12-21 11:58:54,108 INFO L226 Difference]: Without dead ends: 30 [2021-12-21 11:58:54,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 11:58:54,115 INFO L933 BasicCegarLoop]: 47 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, 47 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-21 11:58:54,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 11:58:54,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-12-21 11:58:54,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-12-21 11:58:54,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 11:58:54,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2021-12-21 11:58:54,138 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2021-12-21 11:58:54,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 11:58:54,139 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2021-12-21 11:58:54,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 11:58:54,139 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2021-12-21 11:58:54,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-12-21 11:58:54,140 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 11:58:54,140 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 11:58:54,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 11:58:54,141 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 11:58:54,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 11:58:54,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2021-12-21 11:58:54,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 11:58:54,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31245741] [2021-12-21 11:58:54,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 11:58:54,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 11:58:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 11:58:54,190 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 11:58:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 11:58:54,245 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 11:58:54,246 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 11:58:54,247 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 11:58:54,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 11:58:54,251 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-21 11:58:54,253 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 11:58:54,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 11:58:54 BoogieIcfgContainer [2021-12-21 11:58:54,278 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 11:58:54,279 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 11:58:54,279 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 11:58:54,280 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 11:58:54,281 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 11:58:53" (3/4) ... [2021-12-21 11:58:54,283 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 11:58:54,283 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 11:58:54,284 INFO L158 Benchmark]: Toolchain (without parser) took 1075.14ms. Allocated memory is still 148.9MB. Free memory was 118.2MB in the beginning and 80.9MB in the end (delta: 37.3MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2021-12-21 11:58:54,284 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 47.3MB in the beginning and 47.3MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:58:54,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.46ms. Allocated memory is still 148.9MB. Free memory was 117.8MB in the beginning and 122.4MB in the end (delta: -4.6MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2021-12-21 11:58:54,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.26ms. Allocated memory is still 148.9MB. Free memory was 122.4MB in the beginning and 120.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 11:58:54,288 INFO L158 Benchmark]: Boogie Preprocessor took 34.39ms. Allocated memory is still 148.9MB. Free memory was 120.7MB in the beginning and 119.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:58:54,289 INFO L158 Benchmark]: RCFGBuilder took 298.07ms. Allocated memory is still 148.9MB. Free memory was 119.5MB in the beginning and 107.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-21 11:58:54,290 INFO L158 Benchmark]: TraceAbstraction took 429.45ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 81.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-21 11:58:54,290 INFO L158 Benchmark]: Witness Printer took 3.65ms. Allocated memory is still 148.9MB. Free memory was 81.3MB in the beginning and 80.9MB in the end (delta: 442.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 11:58:54,294 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 88.1MB. Free memory was 47.3MB in the beginning and 47.3MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.46ms. Allocated memory is still 148.9MB. Free memory was 117.8MB in the beginning and 122.4MB in the end (delta: -4.6MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.26ms. Allocated memory is still 148.9MB. Free memory was 122.4MB in the beginning and 120.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.39ms. Allocated memory is still 148.9MB. Free memory was 120.7MB in the beginning and 119.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 298.07ms. Allocated memory is still 148.9MB. Free memory was 119.5MB in the beginning and 107.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 429.45ms. Allocated memory is still 148.9MB. Free memory was 106.6MB in the beginning and 81.3MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.65ms. Allocated memory is still 148.9MB. Free memory was 81.3MB in the beginning and 80.9MB in the end (delta: 442.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 98]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of shiftRight at line 43, overapproximation of bitwiseOr at line 44, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryDOUBLEComparisonOperation at line 97. Possible FailurePath: [L19] static const double huge_ceil = 1.0e300; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L93] double x = 0.0; [L94] CALL, EXPR ceil_double(x) [L22] __int32_t i0, i1, j0; [L23] __uint32_t i, j; VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=-2, x=0] [L31] COND TRUE j0 < 20 VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=-2, j0=0, x=0] [L32] COND FALSE !(j0 < 0) [L43] i = (0x000fffff) >> j0 VAL [\old(x)=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=-2, j0=0, x=0] [L44] COND TRUE ((i0 & i) | i1) == 0 [L45] return x; VAL [\old(x)=0, \result=0, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-1, i1=-2, j0=0, x=0] [L94] RET, EXPR ceil_double(x) [L94] double res = ceil_double(x); [L97] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=0, x=0] [L98] reach_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 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, 47 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, 47 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=33occurred 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-21 11:58:54,328 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/double_req_bl_1092b.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 b6a79bd811ba30bc3163e272e2b4a2c8d4bc7e99a75fdcec3ffb0e3966342f97 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 11:58:56,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 11:58:56,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 11:58:56,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 11:58:56,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 11:58:56,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 11:58:56,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 11:58:56,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 11:58:56,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 11:58:56,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 11:58:56,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 11:58:56,081 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 11:58:56,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 11:58:56,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 11:58:56,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 11:58:56,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 11:58:56,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 11:58:56,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 11:58:56,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 11:58:56,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 11:58:56,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 11:58:56,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 11:58:56,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 11:58:56,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 11:58:56,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 11:58:56,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 11:58:56,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 11:58:56,099 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 11:58:56,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 11:58:56,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 11:58:56,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 11:58:56,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 11:58:56,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 11:58:56,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 11:58:56,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 11:58:56,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 11:58:56,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 11:58:56,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 11:58:56,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 11:58:56,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 11:58:56,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 11:58:56,114 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-21 11:58:56,135 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 11:58:56,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 11:58:56,136 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 11:58:56,136 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 11:58:56,137 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 11:58:56,137 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 11:58:56,138 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 11:58:56,138 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 11:58:56,138 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 11:58:56,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 11:58:56,139 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 11:58:56,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 11:58:56,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 11:58:56,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 11:58:56,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 11:58:56,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 11:58:56,140 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 11:58:56,140 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 11:58:56,140 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 11:58:56,140 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 11:58:56,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 11:58:56,140 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 11:58:56,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 11:58:56,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 11:58:56,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 11:58:56,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 11:58:56,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:58:56,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 11:58:56,141 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 11:58:56,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 11:58:56,141 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 11:58:56,142 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 11:58:56,142 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 11:58:56,142 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 11:58:56,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 11:58:56,142 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 11:58:56,142 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 11:58:56,143 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6a79bd811ba30bc3163e272e2b4a2c8d4bc7e99a75fdcec3ffb0e3966342f97 [2021-12-21 11:58:56,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 11:58:56,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 11:58:56,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 11:58:56,405 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 11:58:56,405 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 11:58:56,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2021-12-21 11:58:56,453 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/950f69b75/549197e73986488fb0dd23a64d30c3d0/FLAGbb3f2d8a1 [2021-12-21 11:58:56,847 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 11:58:56,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2021-12-21 11:58:56,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/950f69b75/549197e73986488fb0dd23a64d30c3d0/FLAGbb3f2d8a1 [2021-12-21 11:58:56,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/950f69b75/549197e73986488fb0dd23a64d30c3d0 [2021-12-21 11:58:56,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 11:58:56,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 11:58:56,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 11:58:56,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 11:58:56,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 11:58:56,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:58:56" (1/1) ... [2021-12-21 11:58:56,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33ebc0b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:56, skipping insertion in model container [2021-12-21 11:58:56,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 11:58:56" (1/1) ... [2021-12-21 11:58:56,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 11:58:56,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 11:58:57,080 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/double_req_bl_1092b.c[2109,2122] [2021-12-21 11:58:57,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:58:57,093 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 11:58:57,126 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/double_req_bl_1092b.c[2109,2122] [2021-12-21 11:58:57,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 11:58:57,140 INFO L208 MainTranslator]: Completed translation [2021-12-21 11:58:57,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:57 WrapperNode [2021-12-21 11:58:57,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 11:58:57,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 11:58:57,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 11:58:57,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 11:58:57,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:57" (1/1) ... [2021-12-21 11:58:57,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:57" (1/1) ... [2021-12-21 11:58:57,182 INFO L137 Inliner]: procedures = 19, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 94 [2021-12-21 11:58:57,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 11:58:57,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 11:58:57,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 11:58:57,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 11:58:57,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:57" (1/1) ... [2021-12-21 11:58:57,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:57" (1/1) ... [2021-12-21 11:58:57,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:57" (1/1) ... [2021-12-21 11:58:57,197 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:57" (1/1) ... [2021-12-21 11:58:57,213 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:57" (1/1) ... [2021-12-21 11:58:57,216 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:57" (1/1) ... [2021-12-21 11:58:57,218 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:57" (1/1) ... [2021-12-21 11:58:57,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 11:58:57,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 11:58:57,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 11:58:57,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 11:58:57,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 11:58:57" (1/1) ... [2021-12-21 11:58:57,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 11:58:57,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 11:58:57,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 11:58:57,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 11:58:57,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 11:58:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-12-21 11:58:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-12-21 11:58:57,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 11:58:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 11:58:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-21 11:58:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 11:58:57,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 11:58:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-21 11:58:57,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 11:58:57,348 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 11:58:57,349 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 11:58:58,185 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.AssertionError: Not a regular bitvector operator with bitvector result: bvshl at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.notSimplified(BitvectorUtils.java:296) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplify_NonConstantCase(BitvectorUtils.java:291) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$BitvectorOperation.simplifiedResult(BitvectorUtils.java:286) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils.termWithLocalSimplification(BitvectorUtils.java:217) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termWithLocalSimplification(SmtUtils.java:1490) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:405) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateFunctionApplication(Expression2Term.java:391) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translate(Expression2Term.java:258) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Expression2Term.translateToTerm(Expression2Term.java:120) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.addAssignment(Statements2TransFormula.java:288) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:703) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:733) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-21 11:58:58,188 INFO L158 Benchmark]: Toolchain (without parser) took 1320.04ms. Allocated memory is still 60.8MB. Free memory was 36.6MB in the beginning and 28.2MB in the end (delta: 8.3MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2021-12-21 11:58:58,189 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 30.1MB in the beginning and 30.0MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 11:58:58,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.37ms. Allocated memory is still 60.8MB. Free memory was 36.4MB in the beginning and 42.8MB in the end (delta: -6.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 11:58:58,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.90ms. Allocated memory is still 60.8MB. Free memory was 42.5MB in the beginning and 40.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 11:58:58,190 INFO L158 Benchmark]: Boogie Preprocessor took 39.38ms. Allocated memory is still 60.8MB. Free memory was 40.9MB in the beginning and 39.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 11:58:58,191 INFO L158 Benchmark]: RCFGBuilder took 963.55ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 28.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 11:58:58,193 INFO L339 ainManager$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 48.2MB. Free memory was 30.1MB in the beginning and 30.0MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.37ms. Allocated memory is still 60.8MB. Free memory was 36.4MB in the beginning and 42.8MB in the end (delta: -6.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.90ms. Allocated memory is still 60.8MB. Free memory was 42.5MB in the beginning and 40.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.38ms. Allocated memory is still 60.8MB. Free memory was 40.9MB in the beginning and 39.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 963.55ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 28.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: AssertionError: Not a regular bitvector operator with bitvector result: bvshl: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.BitvectorUtils$RegularBitvectorOperation_BitvectorResult.isCommutative(BitvectorUtils.java:505) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-21 11:58:58,224 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl