./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1122b.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_1122b.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 531a1139fb1df73d7771aceceeca279cd2242c70bbd9f853f2d0e457d633cadc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 12:03:48,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 12:03:48,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 12:03:48,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 12:03:48,672 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 12:03:48,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 12:03:48,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 12:03:48,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 12:03:48,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 12:03:48,689 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 12:03:48,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 12:03:48,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 12:03:48,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 12:03:48,694 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 12:03:48,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 12:03:48,699 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 12:03:48,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 12:03:48,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 12:03:48,704 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 12:03:48,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 12:03:48,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 12:03:48,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 12:03:48,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 12:03:48,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 12:03:48,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 12:03:48,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 12:03:48,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 12:03:48,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 12:03:48,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 12:03:48,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 12:03:48,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 12:03:48,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 12:03:48,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 12:03:48,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 12:03:48,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 12:03:48,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 12:03:48,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 12:03:48,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 12:03:48,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 12:03:48,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 12:03:48,728 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 12:03:48,729 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 12:03:48,761 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 12:03:48,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 12:03:48,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 12:03:48,763 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 12:03:48,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 12:03:48,764 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 12:03:48,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 12:03:48,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 12:03:48,765 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 12:03:48,765 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 12:03:48,766 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 12:03:48,766 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 12:03:48,766 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 12:03:48,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 12:03:48,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 12:03:48,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 12:03:48,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 12:03:48,767 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 12:03:48,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 12:03:48,767 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 12:03:48,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 12:03:48,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 12:03:48,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 12:03:48,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 12:03:48,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:03:48,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 12:03:48,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 12:03:48,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 12:03:48,769 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 12:03:48,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 12:03:48,770 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 12:03:48,770 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 12:03:48,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 12:03:48,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 12:03:48,771 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 531a1139fb1df73d7771aceceeca279cd2242c70bbd9f853f2d0e457d633cadc [2021-12-21 12:03:48,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 12:03:49,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 12:03:49,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 12:03:49,027 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 12:03:49,027 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 12:03:49,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2021-12-21 12:03:49,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4c96058c/402efa01135a46d9ba6b04837f04badd/FLAGd865175a0 [2021-12-21 12:03:49,497 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 12:03:49,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2021-12-21 12:03:49,517 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4c96058c/402efa01135a46d9ba6b04837f04badd/FLAGd865175a0 [2021-12-21 12:03:49,886 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4c96058c/402efa01135a46d9ba6b04837f04badd [2021-12-21 12:03:49,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 12:03:49,890 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 12:03:49,893 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 12:03:49,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 12:03:49,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 12:03:49,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:03:49" (1/1) ... [2021-12-21 12:03:49,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57b20577 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:49, skipping insertion in model container [2021-12-21 12:03:49,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:03:49" (1/1) ... [2021-12-21 12:03:49,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 12:03:49,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 12:03:50,163 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_1122b.c[2726,2739] [2021-12-21 12:03:50,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:03:50,174 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 12:03:50,217 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_1122b.c[2726,2739] [2021-12-21 12:03:50,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:03:50,238 INFO L208 MainTranslator]: Completed translation [2021-12-21 12:03:50,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:50 WrapperNode [2021-12-21 12:03:50,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 12:03:50,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 12:03:50,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 12:03:50,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 12:03:50,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:50" (1/1) ... [2021-12-21 12:03:50,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:50" (1/1) ... [2021-12-21 12:03:50,298 INFO L137 Inliner]: procedures = 18, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2021-12-21 12:03:50,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 12:03:50,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 12:03:50,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 12:03:50,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 12:03:50,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:50" (1/1) ... [2021-12-21 12:03:50,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:50" (1/1) ... [2021-12-21 12:03:50,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:50" (1/1) ... [2021-12-21 12:03:50,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:50" (1/1) ... [2021-12-21 12:03:50,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:50" (1/1) ... [2021-12-21 12:03:50,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:50" (1/1) ... [2021-12-21 12:03:50,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:50" (1/1) ... [2021-12-21 12:03:50,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 12:03:50,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 12:03:50,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 12:03:50,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 12:03:50,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:50" (1/1) ... [2021-12-21 12:03:50,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:03:50,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:03:50,397 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 12:03:50,419 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 12:03:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 12:03:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 12:03:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 12:03:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 12:03:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-12-21 12:03:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-12-21 12:03:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 12:03:50,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 12:03:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 12:03:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-12-21 12:03:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 12:03:50,549 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 12:03:50,550 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 12:03:50,841 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 12:03:50,846 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 12:03:50,846 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-12-21 12:03:50,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:03:50 BoogieIcfgContainer [2021-12-21 12:03:50,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 12:03:50,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 12:03:50,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 12:03:50,852 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 12:03:50,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 12:03:49" (1/3) ... [2021-12-21 12:03:50,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e571b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:03:50, skipping insertion in model container [2021-12-21 12:03:50,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:50" (2/3) ... [2021-12-21 12:03:50,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e571b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 12:03:50, skipping insertion in model container [2021-12-21 12:03:50,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:03:50" (3/3) ... [2021-12-21 12:03:50,855 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122b.c [2021-12-21 12:03:50,860 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 12:03:50,860 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 12:03:50,915 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 12:03:50,924 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 12:03:50,924 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-21 12:03:50,944 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 12:03:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-12-21 12:03:50,949 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:03:50,950 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:03:50,950 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:03:50,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:03:50,955 INFO L85 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2021-12-21 12:03:50,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:03:50,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166360047] [2021-12-21 12:03:50,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:03:50,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:03:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 12:03:51,083 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 12:03:51,084 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 12:03:51,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166360047] [2021-12-21 12:03:51,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166360047] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 12:03:51,085 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 12:03:51,086 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-21 12:03:51,087 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619663282] [2021-12-21 12:03:51,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 12:03:51,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-21 12:03:51,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 12:03:51,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-21 12:03:51,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-21 12:03:51,121 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 12:03:51,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 12:03:51,147 INFO L93 Difference]: Finished difference Result 82 states and 138 transitions. [2021-12-21 12:03:51,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-21 12:03:51,149 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 12:03:51,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 12:03:51,157 INFO L225 Difference]: With dead ends: 82 [2021-12-21 12:03:51,157 INFO L226 Difference]: Without dead ends: 39 [2021-12-21 12:03:51,160 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 12:03:51,163 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 12:03:51,164 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 12:03:51,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-12-21 12:03:51,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-12-21 12:03:51,195 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 12:03:51,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-12-21 12:03:51,197 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2021-12-21 12:03:51,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 12:03:51,197 INFO L470 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-12-21 12:03:51,198 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 12:03:51,198 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-12-21 12:03:51,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-21 12:03:51,198 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 12:03:51,198 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 12:03:51,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 12:03:51,199 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 12:03:51,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 12:03:51,200 INFO L85 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2021-12-21 12:03:51,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 12:03:51,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385051336] [2021-12-21 12:03:51,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 12:03:51,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 12:03:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 12:03:51,257 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 12:03:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 12:03:51,305 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 12:03:51,306 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 12:03:51,307 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-21 12:03:51,309 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-21 12:03:51,312 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-12-21 12:03:51,314 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 12:03:51,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 12:03:51 BoogieIcfgContainer [2021-12-21 12:03:51,336 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 12:03:51,337 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 12:03:51,337 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 12:03:51,337 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 12:03:51,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 12:03:50" (3/4) ... [2021-12-21 12:03:51,340 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-21 12:03:51,340 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 12:03:51,341 INFO L158 Benchmark]: Toolchain (without parser) took 1450.82ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 74.6MB in the beginning and 83.8MB in the end (delta: -9.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-12-21 12:03:51,341 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory was 60.0MB in the beginning and 60.0MB in the end (delta: 47.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:03:51,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.74ms. Allocated memory is still 102.8MB. Free memory was 74.3MB in the beginning and 77.2MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 12:03:51,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.01ms. Allocated memory is still 102.8MB. Free memory was 77.2MB in the beginning and 75.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:03:51,343 INFO L158 Benchmark]: Boogie Preprocessor took 54.13ms. Allocated memory is still 102.8MB. Free memory was 75.1MB in the beginning and 73.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:03:51,343 INFO L158 Benchmark]: RCFGBuilder took 491.06ms. Allocated memory is still 102.8MB. Free memory was 73.4MB in the beginning and 59.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-21 12:03:51,344 INFO L158 Benchmark]: TraceAbstraction took 486.99ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 58.4MB in the beginning and 84.4MB in the end (delta: -26.0MB). Peak memory consumption was 551.5kB. Max. memory is 16.1GB. [2021-12-21 12:03:51,344 INFO L158 Benchmark]: Witness Printer took 3.63ms. Allocated memory is still 127.9MB. Free memory was 84.4MB in the beginning and 83.8MB in the end (delta: 563.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:03:51,347 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory was 60.0MB in the beginning and 60.0MB in the end (delta: 47.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.74ms. Allocated memory is still 102.8MB. Free memory was 74.3MB in the beginning and 77.2MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.01ms. Allocated memory is still 102.8MB. Free memory was 77.2MB in the beginning and 75.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.13ms. Allocated memory is still 102.8MB. Free memory was 75.1MB in the beginning and 73.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 491.06ms. Allocated memory is still 102.8MB. Free memory was 73.4MB in the beginning and 59.1MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 486.99ms. Allocated memory was 102.8MB in the beginning and 127.9MB in the end (delta: 25.2MB). Free memory was 58.4MB in the beginning and 84.4MB in the end (delta: -26.0MB). Peak memory consumption was 551.5kB. Max. memory is 16.1GB. * Witness Printer took 3.63ms. Allocated memory is still 127.9MB. Free memory was 84.4MB in the beginning and 83.8MB in the end (delta: 563.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 someBinaryArithmeticFLOAToperation at line 37, overapproximation of bitwiseXor at line 33. 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}] [L119] float x = -1.0f / 0.0f; [L120] float y = __VERIFIER_nondet_float(); [L121] CALL, EXPR fmod_float(x, y) [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [\old(x)=8589934593, \old(y)=8589934591, one_fmod=1, x=8589934593, y=8589934591, 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)=8589934593, \old(y)=8589934591, one_fmod=1, sx=-1, x=8589934593, y=8589934591, Zero_fmod={4:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [\old(x)=8589934593, \old(y)=8589934591, hx=2139095040, hy=2139095041, one_fmod=1, sx=-1, x=8589934593, y=8589934591, 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)=8589934592, \result=0, one_fmod=1, x=8589934592, Zero_fmod={4:0}] [L124] RET, EXPR isnan_float(res) [L124] COND TRUE !isnan_float(res) [L125] reach_error() VAL [one_fmod=1, res=8589934592, x=8589934593, y=8589934591, Zero_fmod={4:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 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 12:03:51,384 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_1122b.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 531a1139fb1df73d7771aceceeca279cd2242c70bbd9f853f2d0e457d633cadc --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 12:03:53,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 12:03:53,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 12:03:53,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 12:03:53,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 12:03:53,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 12:03:53,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 12:03:53,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 12:03:53,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 12:03:53,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 12:03:53,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 12:03:53,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 12:03:53,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 12:03:53,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 12:03:53,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 12:03:53,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 12:03:53,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 12:03:53,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 12:03:53,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 12:03:53,420 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 12:03:53,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 12:03:53,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 12:03:53,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 12:03:53,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 12:03:53,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 12:03:53,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 12:03:53,432 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 12:03:53,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 12:03:53,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 12:03:53,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 12:03:53,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 12:03:53,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 12:03:53,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 12:03:53,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 12:03:53,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 12:03:53,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 12:03:53,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 12:03:53,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 12:03:53,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 12:03:53,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 12:03:53,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 12:03:53,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-21 12:03:53,478 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 12:03:53,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 12:03:53,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 12:03:53,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 12:03:53,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 12:03:53,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 12:03:53,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 12:03:53,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 12:03:53,482 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 12:03:53,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 12:03:53,483 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 12:03:53,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 12:03:53,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 12:03:53,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 12:03:53,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 12:03:53,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 12:03:53,484 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 12:03:53,484 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 12:03:53,484 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 12:03:53,484 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 12:03:53,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 12:03:53,485 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 12:03:53,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 12:03:53,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 12:03:53,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 12:03:53,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 12:03:53,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:03:53,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 12:03:53,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 12:03:53,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 12:03:53,487 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 12:03:53,487 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 12:03:53,487 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 12:03:53,487 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 12:03:53,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 12:03:53,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 12:03:53,488 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 12:03:53,488 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 531a1139fb1df73d7771aceceeca279cd2242c70bbd9f853f2d0e457d633cadc [2021-12-21 12:03:53,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 12:03:53,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 12:03:53,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 12:03:53,804 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 12:03:53,805 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 12:03:53,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2021-12-21 12:03:53,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8425082c/fab0184256f34f588725755493bb083a/FLAG8014161c1 [2021-12-21 12:03:54,344 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 12:03:54,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1122b.c [2021-12-21 12:03:54,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8425082c/fab0184256f34f588725755493bb083a/FLAG8014161c1 [2021-12-21 12:03:54,373 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b8425082c/fab0184256f34f588725755493bb083a [2021-12-21 12:03:54,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 12:03:54,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 12:03:54,381 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 12:03:54,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 12:03:54,385 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 12:03:54,385 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b7b2b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54, skipping insertion in model container [2021-12-21 12:03:54,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 12:03:54,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 12:03:54,621 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_1122b.c[2726,2739] [2021-12-21 12:03:54,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:03:54,636 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 12:03:54,687 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_1122b.c[2726,2739] [2021-12-21 12:03:54,688 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 12:03:54,703 INFO L208 MainTranslator]: Completed translation [2021-12-21 12:03:54,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54 WrapperNode [2021-12-21 12:03:54,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 12:03:54,706 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 12:03:54,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 12:03:54,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 12:03:54,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,765 INFO L137 Inliner]: procedures = 21, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2021-12-21 12:03:54,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 12:03:54,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 12:03:54,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 12:03:54,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 12:03:54,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 12:03:54,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 12:03:54,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 12:03:54,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 12:03:54,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 12:03:54" (1/1) ... [2021-12-21 12:03:54,841 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 12:03:54,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 12:03:54,869 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 12:03:54,891 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 12:03:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 12:03:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-12-21 12:03:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-21 12:03:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 12:03:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-12-21 12:03:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-21 12:03:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 12:03:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 12:03:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-12-21 12:03:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-21 12:03:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 12:03:55,002 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 12:03:55,004 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 12:03:55,202 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-21 12:03:55,206 INFO L158 Benchmark]: Toolchain (without parser) took 825.66ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.6MB in the beginning and 48.0MB in the end (delta: -16.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-12-21 12:03:55,207 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 33.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:03:55,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.41ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.3MB in the beginning and 47.8MB in the end (delta: -16.4MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-12-21 12:03:55,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.42ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 45.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 12:03:55,209 INFO L158 Benchmark]: Boogie Preprocessor took 65.36ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 43.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 12:03:55,210 INFO L158 Benchmark]: RCFGBuilder took 371.85ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 48.0MB in the end (delta: -4.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-21 12:03:55,213 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory was 37.0MB in the beginning and 37.0MB in the end (delta: 33.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.41ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 31.3MB in the beginning and 47.8MB in the end (delta: -16.4MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.42ms. Allocated memory is still 67.1MB. Free memory was 47.8MB in the beginning and 45.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.36ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 43.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 371.85ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 48.0MB in the end (delta: -4.3MB). Peak memory consumption was 14.7MB. 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 12:03:55,271 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