./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 ee8e70e7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 4d4c43a5e99017d570432216c5fcf66eb1ad9ac2 ........................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 4d4c43a5e99017d570432216c5fcf66eb1ad9ac2 .......................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL --- Real Ultimate output --- This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:10:59,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:10:59,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:10:59,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:10:59,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:10:59,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:10:59,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:10:59,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:10:59,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:10:59,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:10:59,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:10:59,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:10:59,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:10:59,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:10:59,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:10:59,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:10:59,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:10:59,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:10:59,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:10:59,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:10:59,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:10:59,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:10:59,694 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:10:59,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:10:59,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:10:59,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:10:59,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:10:59,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:10:59,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:10:59,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:10:59,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:10:59,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:10:59,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:10:59,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:10:59,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:10:59,728 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:10:59,729 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:10:59,730 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:10:59,730 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:10:59,731 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:10:59,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:10:59,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 15:10:59,762 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:10:59,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:10:59,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:10:59,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:10:59,766 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:10:59,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:10:59,766 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:10:59,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:10:59,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:10:59,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:10:59,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:10:59,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:10:59,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:10:59,768 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:10:59,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:10:59,769 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:10:59,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:10:59,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:10:59,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:10:59,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:10:59,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:10:59,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:10:59,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:10:59,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:10:59,771 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:10:59,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:10:59,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:10:59,772 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:10:59,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:10:59,773 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d4c43a5e99017d570432216c5fcf66eb1ad9ac2 [2020-10-24 15:11:00,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:11:00,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:11:00,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:11:00,335 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:11:00,337 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:11:00,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2020-10-24 15:11:00,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d353a718f/e50ebdaa41dd42ea80a82b79e128e6d0/FLAGd79c97b4b [2020-10-24 15:11:01,181 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:11:01,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2020-10-24 15:11:01,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d353a718f/e50ebdaa41dd42ea80a82b79e128e6d0/FLAGd79c97b4b [2020-10-24 15:11:01,471 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d353a718f/e50ebdaa41dd42ea80a82b79e128e6d0 [2020-10-24 15:11:01,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:11:01,482 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:11:01,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:11:01,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:11:01,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:11:01,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:11:01" (1/1) ... [2020-10-24 15:11:01,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b5b521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:01, skipping insertion in model container [2020-10-24 15:11:01,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:11:01" (1/1) ... [2020-10-24 15:11:01,503 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:11:01,524 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:11:01,749 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:11:01,761 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:11:01,810 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:11:01,834 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:11:01,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:01 WrapperNode [2020-10-24 15:11:01,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:11:01,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:11:01,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:11:01,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:11:01,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:01" (1/1) ... [2020-10-24 15:11:01,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:01" (1/1) ... [2020-10-24 15:11:01,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:11:01,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:11:01,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:11:01,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:11:01,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:01" (1/1) ... [2020-10-24 15:11:01,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:01" (1/1) ... [2020-10-24 15:11:01,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:01" (1/1) ... [2020-10-24 15:11:01,928 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:01" (1/1) ... [2020-10-24 15:11:01,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:01" (1/1) ... [2020-10-24 15:11:01,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:01" (1/1) ... [2020-10-24 15:11:01,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:01" (1/1) ... [2020-10-24 15:11:01,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:11:01,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:11:01,958 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:11:01,958 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:11:01,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:11:02,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:11:02,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:11:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:11:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:11:02,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:11:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:11:02,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:11:02,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:11:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 15:11:02,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:11:02,760 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:11:02,761 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-10-24 15:11:02,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:11:02 BoogieIcfgContainer [2020-10-24 15:11:02,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:11:02,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:11:02,767 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:11:02,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:11:02,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:11:01" (1/3) ... [2020-10-24 15:11:02,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d534c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:11:02, skipping insertion in model container [2020-10-24 15:11:02,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:01" (2/3) ... [2020-10-24 15:11:02,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d534c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:11:02, skipping insertion in model container [2020-10-24 15:11:02,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:11:02" (3/3) ... [2020-10-24 15:11:02,778 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1121a.c [2020-10-24 15:11:02,795 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:11:02,802 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:11:02,821 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:11:02,855 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:11:02,856 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:11:02,856 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:11:02,856 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:11:02,857 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:11:02,857 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:11:02,857 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:11:02,857 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:11:02,878 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2020-10-24 15:11:02,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 15:11:02,886 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:11:02,888 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:11:02,889 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:11:02,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:11:02,898 INFO L82 PathProgramCache]: Analyzing trace with hash 666555284, now seen corresponding path program 1 times [2020-10-24 15:11:02,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:11:02,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072856735] [2020-10-24 15:11:02,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:11:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:11:03,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 15:11:03,110 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072856735] [2020-10-24 15:11:03,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:11:03,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:11:03,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471230816] [2020-10-24 15:11:03,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:11:03,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:11:03,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:11:03,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:11:03,144 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 2 states. [2020-10-24 15:11:03,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:11:03,174 INFO L93 Difference]: Finished difference Result 83 states and 139 transitions. [2020-10-24 15:11:03,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:11:03,177 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 15:11:03,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:11:03,190 INFO L225 Difference]: With dead ends: 83 [2020-10-24 15:11:03,191 INFO L226 Difference]: Without dead ends: 39 [2020-10-24 15:11:03,195 INFO L677 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 [2020-10-24 15:11:03,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-24 15:11:03,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-10-24 15:11:03,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-24 15:11:03,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2020-10-24 15:11:03,248 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 10 [2020-10-24 15:11:03,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:11:03,249 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2020-10-24 15:11:03,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:11:03,250 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2020-10-24 15:11:03,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 15:11:03,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:11:03,251 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:11:03,252 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:11:03,252 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:11:03,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:11:03,258 INFO L82 PathProgramCache]: Analyzing trace with hash 131116369, now seen corresponding path program 1 times [2020-10-24 15:11:03,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:11:03,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009708607] [2020-10-24 15:11:03,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:11:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:11:03,393 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:11:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:11:03,474 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:11:03,505 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:11:03,505 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:11:03,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:11:03,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:11:03 BoogieIcfgContainer [2020-10-24 15:11:03,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:11:03,554 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:11:03,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:11:03,555 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:11:03,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:11:02" (3/4) ... [2020-10-24 15:11:03,560 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:11:03,560 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:11:03,563 INFO L168 Benchmark]: Toolchain (without parser) took 2084.79 ms. Allocated memory was 41.9 MB in the beginning and 60.8 MB in the end (delta: 18.9 MB). Free memory was 19.3 MB in the beginning and 42.5 MB in the end (delta: -23.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:11:03,564 INFO L168 Benchmark]: CDTParser took 0.48 ms. Allocated memory is still 41.9 MB. Free memory was 22.5 MB in the beginning and 22.5 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:11:03,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.09 ms. Allocated memory is still 41.9 MB. Free memory was 18.6 MB in the beginning and 18.1 MB in the end (delta: 500.2 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:03,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.31 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.0 MB in the beginning and 34.1 MB in the end (delta: -16.0 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:03,567 INFO L168 Benchmark]: Boogie Preprocessor took 47.84 ms. Allocated memory is still 50.3 MB. Free memory was 34.1 MB in the beginning and 32.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:03,568 INFO L168 Benchmark]: RCFGBuilder took 807.04 ms. Allocated memory is still 50.3 MB. Free memory was 32.3 MB in the beginning and 31.8 MB in the end (delta: 490.4 kB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:03,569 INFO L168 Benchmark]: TraceAbstraction took 786.94 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 31.4 MB in the beginning and 42.9 MB in the end (delta: -11.5 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:03,570 INFO L168 Benchmark]: Witness Printer took 5.82 ms. Allocated memory is still 60.8 MB. Free memory was 42.9 MB in the beginning and 42.5 MB in the end (delta: 349.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:11:03,575 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 ms. Allocated memory is still 41.9 MB. Free memory was 22.5 MB in the beginning and 22.5 MB in the end (delta: 28.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 352.09 ms. Allocated memory is still 41.9 MB. Free memory was 18.6 MB in the beginning and 18.1 MB in the end (delta: 500.2 kB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.31 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 18.0 MB in the beginning and 34.1 MB in the end (delta: -16.0 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.84 ms. Allocated memory is still 50.3 MB. Free memory was 34.1 MB in the beginning and 32.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 807.04 ms. Allocated memory is still 50.3 MB. Free memory was 32.3 MB in the beginning and 31.8 MB in the end (delta: 490.4 kB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 786.94 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 31.4 MB in the beginning and 42.9 MB in the end (delta: -11.5 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.82 ms. Allocated memory is still 60.8 MB. Free memory was 42.9 MB in the beginning and 42.5 MB in the end (delta: 349.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLE_SMToperation at line 16, overapproximation of bitwiseAnd at line 32, overapproximation of someBinaryFLOAT_SMTComparisonOperation at line 110, overapproximation of someBinaryArithmeticFLOAT_SMToperation 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={9:0}] [L118] float x = __VERIFIER_nondet_float(); [L119] float y = 0.0f; [L20] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [one_fmod=1, Zero_fmod={9:0}] [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 [one_fmod=1, Zero_fmod={9:0}] [L36] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L37] return (x * y) / (x * y); VAL [one_fmod=1, Zero_fmod={9:0}] [L121] float res = fmod_float(x, y); [L110] return x != x; VAL [one_fmod=1, Zero_fmod={9:0}] [L124] COND TRUE !isnan_float(res) [L3] __assert_fail("0", "float_req_bl_1121a.c", 3, "reach_error") VAL [one_fmod=1, Zero_fmod={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 57 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, 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=43occurred in iteration=0, 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, 81 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 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-ee8e70e [2020-10-24 15:11:06,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:11:06,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:11:06,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:11:06,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:11:06,386 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:11:06,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:11:06,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:11:06,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:11:06,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:11:06,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:11:06,412 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:11:06,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:11:06,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:11:06,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:11:06,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:11:06,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:11:06,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:11:06,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:11:06,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:11:06,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:11:06,439 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:11:06,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:11:06,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:11:06,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:11:06,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:11:06,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:11:06,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:11:06,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:11:06,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:11:06,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:11:06,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:11:06,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:11:06,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:11:06,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:11:06,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:11:06,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:11:06,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:11:06,464 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:11:06,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:11:06,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:11:06,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 15:11:06,537 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:11:06,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:11:06,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:11:06,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:11:06,541 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:11:06,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:11:06,541 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:11:06,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:11:06,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:11:06,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:11:06,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:11:06,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:11:06,544 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:11:06,544 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:11:06,545 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:11:06,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:11:06,545 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:11:06,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:11:06,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:11:06,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:11:06,546 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:11:06,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:11:06,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:11:06,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:11:06,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:11:06,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:11:06,548 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:11:06,548 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:11:06,548 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:11:06,548 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:11:06,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:11:06,548 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d4c43a5e99017d570432216c5fcf66eb1ad9ac2 [2020-10-24 15:11:07,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:11:07,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:11:07,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:11:07,111 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:11:07,112 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:11:07,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2020-10-24 15:11:07,202 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d895f7f59/93f99985d60546f69b2d2eaeb458a66d/FLAG9ca05abad [2020-10-24 15:11:08,019 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:11:08,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1121a.c [2020-10-24 15:11:08,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d895f7f59/93f99985d60546f69b2d2eaeb458a66d/FLAG9ca05abad [2020-10-24 15:11:08,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d895f7f59/93f99985d60546f69b2d2eaeb458a66d [2020-10-24 15:11:08,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:11:08,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:11:08,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:11:08,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:11:08,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:11:08,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:11:08" (1/1) ... [2020-10-24 15:11:08,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f2b9440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:08, skipping insertion in model container [2020-10-24 15:11:08,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:11:08" (1/1) ... [2020-10-24 15:11:08,379 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:11:08,419 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:11:08,640 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:11:08,660 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:11:08,736 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:11:08,782 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:11:08,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:08 WrapperNode [2020-10-24 15:11:08,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:11:08,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:11:08,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:11:08,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:11:08,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:11:08" (1/1) ... [2020-10-24 15:11:08,818 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:11:08,819 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:11:08,819 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet9 which is not a global variable [2020-10-24 15:11:08,820 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet10 which is not a global variable [2020-10-24 15:11:08,821 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:11:08,824 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:11:08,824 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet9 which is not a global variable [2020-10-24 15:11:08,824 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet10 which is not a global variable [2020-10-24 15:11:08,829 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner has thrown an exception: java.lang.AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.internalError(TypeCheckHelper.java:297) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.checkExistingDeclarationInformation(TypeChecker.java:340) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckLeftHandSide(TypeChecker.java:360) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckStatement(TypeChecker.java:781) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckBlock(TypeChecker.java:846) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.processBody(TypeChecker.java:957) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.processImplementation(TypeChecker.java:1033) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.process(TypeChecker.java:1120) 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:156) 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) [2020-10-24 15:11:08,841 INFO L168 Benchmark]: Toolchain (without parser) took 502.90 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 17.3 MB in the beginning and 37.9 MB in the end (delta: -20.5 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:08,842 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 41.9 MB. Free memory was 27.2 MB in the beginning and 27.2 MB in the end (delta: 23.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:11:08,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 434.35 ms. Allocated memory is still 54.5 MB. Free memory was 38.3 MB in the beginning and 25.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:08,844 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.95 ms. Allocated memory is still 54.5 MB. Free memory was 25.3 MB in the beginning and 37.9 MB in the end (delta: -12.5 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. [2020-10-24 15:11:08,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 41.9 MB. Free memory was 27.2 MB in the beginning and 27.2 MB in the end (delta: 23.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 434.35 ms. Allocated memory is still 54.5 MB. Free memory was 38.3 MB in the beginning and 25.3 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.95 ms. Allocated memory is still 54.5 MB. Free memory was 25.3 MB in the beginning and 37.9 MB in the end (delta: -12.5 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet7 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet8 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet9 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet10 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet7 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet8 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet9 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet10 which is not a global variable * Results from de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: - ExceptionOrErrorResult: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.internalError(TypeCheckHelper.java:297) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...