./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1121a.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 a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 12:03:47,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 12:03:47,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 12:03:47,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 12:03:47,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 12:03:47,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 12:03:47,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 12:03:47,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 12:03:47,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 12:03:47,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 12:03:47,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 12:03:47,289 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 12:03:47,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 12:03:47,291 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 12:03:47,293 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 12:03:47,295 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 12:03:47,296 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 12:03:47,297 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 12:03:47,298 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 12:03:47,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 12:03:47,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 12:03:47,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 12:03:47,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 12:03:47,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 12:03:47,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 12:03:47,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 12:03:47,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 12:03:47,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 12:03:47,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 12:03:47,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 12:03:47,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 12:03:47,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 12:03:47,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 12:03:47,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 12:03:47,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 12:03:47,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 12:03:47,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 12:03:47,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 12:03:47,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 12:03:47,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 12:03:47,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 12:03:47,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 12:03:47,357 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 12:03:47,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 12:03:47,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 12:03:47,358 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 12:03:47,359 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 12:03:47,359 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 12:03:47,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 12:03:47,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 12:03:47,360 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 12:03:47,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 12:03:47,361 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 12:03:47,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 12:03:47,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 12:03:47,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 12:03:47,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 12:03:47,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 12:03:47,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 12:03:47,362 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 12:03:47,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 12:03:47,363 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 12:03:47,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 12:03:47,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 12:03:47,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 12:03:47,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 12:03:47,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:03:47,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 12:03:47,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 12:03:47,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 12:03:47,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 12:03:47,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 12:03:47,365 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 12:03:47,365 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 12:03:47,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 12:03:47,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 12:03:47,366 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 [2021-12-21 12:03:47,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 12:03:47,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 12:03:47,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 12:03:47,617 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 12:03:47,618 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 12:03:47,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2021-12-21 12:03:47,678 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7e010a61/304bec2c78614b17ae9c76bf3df68d8a/FLAG77bb65d9c [2021-12-21 12:03:48,047 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 12:03:48,048 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2021-12-21 12:03:48,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7e010a61/304bec2c78614b17ae9c76bf3df68d8a/FLAG77bb65d9c [2021-12-21 12:03:48,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7e010a61/304bec2c78614b17ae9c76bf3df68d8a [2021-12-21 12:03:48,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 12:03:48,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 12:03:48,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 12:03:48,445 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 12:03:48,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 12:03:48,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:03:48" (1/1) ... [2021-12-21 12:03:48,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f942cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:48, skipping insertion in model container [2021-12-21 12:03:48,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:03:48" (1/1) ... [2021-12-21 12:03:48,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 12:03:48,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 12:03:48,651 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_1121a.c[2701,2714] [2021-12-21 12:03:48,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:03:48,660 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 12:03:48,690 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_1121a.c[2701,2714] [2021-12-21 12:03:48,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:03:48,702 INFO L208 MainTranslator]: Completed translation [2021-12-21 12:03:48,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:48 WrapperNode [2021-12-21 12:03:48,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 12:03:48,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 12:03:48,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 12:03:48,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 12:03:48,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:48" (1/1) ... [2021-12-21 12:03:48,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:48" (1/1) ... [2021-12-21 12:03:48,741 INFO L137 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2021-12-21 12:03:48,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 12:03:48,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 12:03:48,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 12:03:48,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 12:03:48,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:48" (1/1) ... [2021-12-21 12:03:48,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:48" (1/1) ... [2021-12-21 12:03:48,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:48" (1/1) ... [2021-12-21 12:03:48,753 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:48" (1/1) ... [2021-12-21 12:03:48,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:48" (1/1) ... [2021-12-21 12:03:48,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:48" (1/1) ... [2021-12-21 12:03:48,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:48" (1/1) ... [2021-12-21 12:03:48,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 12:03:48,770 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 12:03:48,770 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 12:03:48,770 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 12:03:48,771 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:48" (1/1) ... [2021-12-21 12:03:48,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:03:48,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:03:48,800 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 12:03:48,801 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 12:03:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 12:03:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 12:03:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 12:03:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 12:03:48,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-21 12:03:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-21 12:03:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 12:03:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 12:03:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 12:03:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-21 12:03:48,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 12:03:48,890 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 12:03:48,892 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 12:03:49,062 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 12:03:49,067 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 12:03:49,079 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-12-21 12:03:49,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:03:49 BoogieIcfgContainer [2021-12-21 12:03:49,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 12:03:49,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 12:03:49,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 12:03:49,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 12:03:49,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 12:03:48" (1/3) ... [2021-12-21 12:03:49,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d13d8d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:03:49, skipping insertion in model container [2021-12-21 12:03:49,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:48" (2/3) ... [2021-12-21 12:03:49,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d13d8d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:03:49, skipping insertion in model container [2021-12-21 12:03:49,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:03:49" (3/3) ... [2021-12-21 12:03:49,088 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a.c [2021-12-21 12:03:49,092 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 12:03:49,092 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 12:03:49,137 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 12:03:49,144 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 12:03:49,144 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 12:03:49,157 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 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 12:03:49,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-21 12:03:49,166 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:03:49,166 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:03:49,167 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:03:49,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:03:49,171 INFO L85 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2021-12-21 12:03:49,177 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:03:49,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915435611] [2021-12-21 12:03:49,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:03:49,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:03:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:03:49,298 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 12:03:49,299 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:03:49,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915435611] [2021-12-21 12:03:49,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915435611] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:03:49,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:03:49,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 12:03:49,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385814626] [2021-12-21 12:03:49,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:03:49,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 12:03:49,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:03:49,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 12:03:49,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 12:03:49,345 INFO L87 Difference]: Start difference. First operand has 42 states, 40 states have (on average 1.75) internal successors, (70), 41 states have internal predecessors, (70), 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 12:03:49,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:03:49,362 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2021-12-21 12:03:49,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 12:03:49,363 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 12:03:49,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:03:49,372 INFO L225 Difference]: With dead ends: 82 [2021-12-21 12:03:49,372 INFO L226 Difference]: Without dead ends: 39 [2021-12-21 12:03:49,377 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 12:03:49,380 INFO L933 BasicCegarLoop]: 57 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, 57 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 12:03:49,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-21 12:03:49,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-12-21 12:03:49,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-12-21 12:03:49,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 38 states have internal predecessors, (54), 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 12:03:49,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-12-21 12:03:49,409 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2021-12-21 12:03:49,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:03:49,409 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-12-21 12:03:49,409 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 12:03:49,409 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-12-21 12:03:49,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-21 12:03:49,410 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:03:49,410 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:03:49,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 12:03:49,418 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:03:49,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:03:49,419 INFO L85 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2021-12-21 12:03:49,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:03:49,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860735702] [2021-12-21 12:03:49,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:03:49,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:03:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 12:03:49,505 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 12:03:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 12:03:49,588 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 12:03:49,589 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 12:03:49,590 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 12:03:49,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 12:03:49,594 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-21 12:03:49,605 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 12:03:49,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 12:03:49 BoogieIcfgContainer [2021-12-21 12:03:49,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 12:03:49,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 12:03:49,645 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 12:03:49,646 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 12:03:49,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:03:49" (3/4) ... [2021-12-21 12:03:49,649 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 12:03:49,649 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 12:03:49,650 INFO L158 Benchmark]: Toolchain (without parser) took 1207.22ms. Allocated memory is still 109.1MB. Free memory was 72.8MB in the beginning and 76.7MB in the end (delta: -4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:03:49,651 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 109.1MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:03:49,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.28ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 83.0MB in the end (delta: -10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 12:03:49,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.68ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 81.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:03:49,655 INFO L158 Benchmark]: Boogie Preprocessor took 26.85ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 79.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:03:49,658 INFO L158 Benchmark]: RCFGBuilder took 311.39ms. Allocated memory is still 109.1MB. Free memory was 79.4MB in the beginning and 64.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-21 12:03:49,658 INFO L158 Benchmark]: TraceAbstraction took 560.72ms. Allocated memory is still 109.1MB. Free memory was 64.3MB in the beginning and 77.3MB in the end (delta: -13.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:03:49,659 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 109.1MB. Free memory was 77.3MB in the beginning and 76.7MB in the end (delta: 571.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:03:49,665 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 109.1MB. Free memory is still 89.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.28ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 83.0MB in the end (delta: -10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.68ms. Allocated memory is still 109.1MB. Free memory was 83.0MB in the beginning and 81.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.85ms. Allocated memory is still 109.1MB. Free memory was 81.0MB in the beginning and 79.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 311.39ms. Allocated memory is still 109.1MB. Free memory was 79.4MB in the beginning and 64.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 560.72ms. Allocated memory is still 109.1MB. Free memory was 64.3MB in the beginning and 77.3MB in the end (delta: -13.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 109.1MB. Free memory was 77.3MB in the beginning and 76.7MB in the end (delta: 571.1kB). There was no memory consumed. 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: 125]: 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 110, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of bitwiseXor at line 33, overapproximation of someBinaryArithmeticFLOAToperation at line 37. Possible FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [one_fmod=1, Zero_fmod={4:0}] [L118] float x = __VERIFIER_nondet_float(); [L119] float y = 0.0f; [L121] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [\old(x)=8589934592, \old(y)=0, one_fmod=1, x=8589934592, y=0, Zero_fmod={4:0}] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (hx) = gf_u.word [L28] ieee_float_shape_type gf_u; [L29] gf_u.value = (y) [L30] EXPR gf_u.word [L30] (hy) = gf_u.word [L32] sx = hx & 0x80000000 [L33] hx ^= sx [L34] hy &= 0x7fffffff VAL [\old(x)=8589934592, \old(y)=0, one_fmod=1, sx=7, x=8589934592, y=0, Zero_fmod={4:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [\old(x)=8589934592, \old(y)=0, hx=2139095040, hy=0, one_fmod=1, sx=7, x=8589934592, y=0, Zero_fmod={4:0}] [L121] RET, EXPR fmod_float(x, y) [L121] float res = fmod_float(x, y); [L124] CALL, EXPR isnan_float(res) [L110] return x != x; VAL [\old(x)=8589934591, \result=0, one_fmod=1, x=8589934591, Zero_fmod={4:0}] [L124] RET, EXPR isnan_float(res) [L124] COND TRUE !isnan_float(res) [L125] reach_error() VAL [one_fmod=1, res=8589934591, x=8589934592, y=0, Zero_fmod={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 57 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, 57 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=42occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 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 12:03:49,710 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 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_1121a.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 a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 12:03:51,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 12:03:51,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 12:03:51,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 12:03:51,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 12:03:51,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 12:03:51,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 12:03:51,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 12:03:51,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 12:03:51,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 12:03:51,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 12:03:51,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 12:03:51,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 12:03:51,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 12:03:51,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 12:03:51,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 12:03:51,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 12:03:51,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 12:03:51,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 12:03:51,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 12:03:51,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 12:03:51,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 12:03:51,710 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 12:03:51,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 12:03:51,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 12:03:51,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 12:03:51,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 12:03:51,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 12:03:51,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 12:03:51,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 12:03:51,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 12:03:51,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 12:03:51,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 12:03:51,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 12:03:51,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 12:03:51,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 12:03:51,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 12:03:51,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 12:03:51,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 12:03:51,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 12:03:51,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 12:03:51,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-21 12:03:51,773 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 12:03:51,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 12:03:51,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 12:03:51,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 12:03:51,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 12:03:51,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 12:03:51,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 12:03:51,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 12:03:51,777 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 12:03:51,778 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 12:03:51,778 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 12:03:51,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 12:03:51,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 12:03:51,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 12:03:51,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 12:03:51,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 12:03:51,779 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 12:03:51,780 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 12:03:51,780 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 12:03:51,780 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 12:03:51,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 12:03:51,780 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 12:03:51,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 12:03:51,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 12:03:51,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 12:03:51,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 12:03:51,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:03:51,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 12:03:51,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 12:03:51,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 12:03:51,789 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 12:03:51,790 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 12:03:51,790 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 12:03:51,790 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 12:03:51,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 12:03:51,790 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 12:03:51,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 12:03:51,790 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a675a014adb554d3b3cb02e2742644f85bc00ae7c696ead14730bf8198b2dce7 [2021-12-21 12:03:52,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 12:03:52,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 12:03:52,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 12:03:52,116 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 12:03:52,116 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 12:03:52,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2021-12-21 12:03:52,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83ccb08b7/066ac7a2e49a4a5980839b669ddd7227/FLAGd08b0c28c [2021-12-21 12:03:52,617 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 12:03:52,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2021-12-21 12:03:52,628 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83ccb08b7/066ac7a2e49a4a5980839b669ddd7227/FLAGd08b0c28c [2021-12-21 12:03:53,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83ccb08b7/066ac7a2e49a4a5980839b669ddd7227 [2021-12-21 12:03:53,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 12:03:53,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 12:03:53,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 12:03:53,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 12:03:53,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 12:03:53,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:03:53" (1/1) ... [2021-12-21 12:03:53,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c944254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:53, skipping insertion in model container [2021-12-21 12:03:53,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:03:53" (1/1) ... [2021-12-21 12:03:53,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 12:03:53,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 12:03:53,244 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_1121a.c[2701,2714] [2021-12-21 12:03:53,250 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:03:53,272 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 12:03:53,324 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_1121a.c[2701,2714] [2021-12-21 12:03:53,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:03:53,346 INFO L208 MainTranslator]: Completed translation [2021-12-21 12:03:53,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:53 WrapperNode [2021-12-21 12:03:53,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 12:03:53,351 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 12:03:53,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 12:03:53,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 12:03:53,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:53" (1/1) ... [2021-12-21 12:03:53,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:53" (1/1) ... [2021-12-21 12:03:53,384 INFO L137 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2021-12-21 12:03:53,385 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 12:03:53,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 12:03:53,386 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 12:03:53,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 12:03:53,393 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:53" (1/1) ... [2021-12-21 12:03:53,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:53" (1/1) ... [2021-12-21 12:03:53,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:53" (1/1) ... [2021-12-21 12:03:53,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:53" (1/1) ... [2021-12-21 12:03:53,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:53" (1/1) ... [2021-12-21 12:03:53,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:53" (1/1) ... [2021-12-21 12:03:53,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:53" (1/1) ... [2021-12-21 12:03:53,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 12:03:53,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 12:03:53,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 12:03:53,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 12:03:53,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:53" (1/1) ... [2021-12-21 12:03:53,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:03:53,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:03:53,469 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 12:03:53,489 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 12:03:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 12:03:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-12-21 12:03:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 12:03:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 12:03:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-12-21 12:03:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-21 12:03:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 12:03:53,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 12:03:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-12-21 12:03:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-21 12:03:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 12:03:53,602 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 12:03:53,616 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 12:03:53,724 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-21 12:03:53,729 INFO L158 Benchmark]: Toolchain (without parser) took 706.52ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 31.7MB in the beginning and 41.1MB in the end (delta: -9.3MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-12-21 12:03:53,729 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:03:53,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.67ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 31.4MB in the beginning and 55.2MB in the end (delta: -23.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-12-21 12:03:53,731 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.24ms. Allocated memory is still 73.4MB. Free memory was 55.2MB in the beginning and 53.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:03:53,731 INFO L158 Benchmark]: Boogie Preprocessor took 50.18ms. Allocated memory is still 73.4MB. Free memory was 53.2MB in the beginning and 51.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:03:53,732 INFO L158 Benchmark]: RCFGBuilder took 290.82ms. Allocated memory is still 73.4MB. Free memory was 51.3MB in the beginning and 41.1MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 12:03:53,735 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.67ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 31.4MB in the beginning and 55.2MB in the end (delta: -23.7MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.24ms. Allocated memory is still 73.4MB. Free memory was 55.2MB in the beginning and 53.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.18ms. Allocated memory is still 73.4MB. Free memory was 53.2MB in the beginning and 51.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 290.82ms. Allocated memory is still 73.4MB. Free memory was 51.3MB in the beginning and 41.1MB in the end (delta: 10.3MB). 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 12:03:53,786 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: ERROR: ExceptionOrErrorResult: AssertionError: Not a regular bitvector operator with bitvector result: bvshl