./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1092a.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_1092a.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 51b19897c11e4f835362356179f819ee4e466264 ................................................................................................................................................................................................................................................................................................. 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_1092a.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 51b19897c11e4f835362356179f819ee4e466264 ........................................................................................................................................................................ 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 15:10:47,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:10:47,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:10:47,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:10:47,230 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:10:47,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:10:47,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:10:47,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:10:47,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:10:47,255 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:10:47,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:10:47,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:10:47,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:10:47,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:10:47,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:10:47,264 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:10:47,265 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:10:47,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:10:47,269 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:10:47,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:10:47,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:10:47,278 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:10:47,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:10:47,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:10:47,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:10:47,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:10:47,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:10:47,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:10:47,288 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:10:47,289 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:10:47,290 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:10:47,291 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:10:47,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:10:47,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:10:47,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:10:47,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:10:47,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:10:47,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:10:47,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:10:47,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:10:47,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:10:47,301 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 15:10:47,331 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:10:47,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:10:47,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:10:47,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:10:47,334 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:10:47,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:10:47,335 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:10:47,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:10:47,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:10:47,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:10:47,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:10:47,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:10:47,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:10:47,336 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:10:47,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:10:47,337 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:10:47,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:10:47,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:10:47,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:10:47,338 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:10:47,338 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:10:47,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:10:47,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:10:47,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:10:47,339 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:10:47,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:10:47,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:10:47,340 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:10:47,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:10:47,340 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51b19897c11e4f835362356179f819ee4e466264 [2020-10-24 15:10:47,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:10:47,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:10:47,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:10:47,928 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:10:47,935 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:10:47,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2020-10-24 15:10:48,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d272fb67/3394e201dbbd423d9baafbbf59abcd74/FLAGbe439681b [2020-10-24 15:10:48,779 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:10:48,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2020-10-24 15:10:48,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d272fb67/3394e201dbbd423d9baafbbf59abcd74/FLAGbe439681b [2020-10-24 15:10:49,090 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4d272fb67/3394e201dbbd423d9baafbbf59abcd74 [2020-10-24 15:10:49,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:10:49,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:10:49,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:10:49,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:10:49,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:10:49,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:10:49" (1/1) ... [2020-10-24 15:10:49,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb122ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:49, skipping insertion in model container [2020-10-24 15:10:49,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:10:49" (1/1) ... [2020-10-24 15:10:49,128 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:10:49,157 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:10:49,382 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:10:49,392 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:10:49,420 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:10:49,438 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:10:49,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:49 WrapperNode [2020-10-24 15:10:49,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:10:49,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:10:49,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:10:49,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:10:49,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:49" (1/1) ... [2020-10-24 15:10:49,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:49" (1/1) ... [2020-10-24 15:10:49,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:10:49,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:10:49,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:10:49,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:10:49,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:49" (1/1) ... [2020-10-24 15:10:49,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:49" (1/1) ... [2020-10-24 15:10:49,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:49" (1/1) ... [2020-10-24 15:10:49,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:49" (1/1) ... [2020-10-24 15:10:49,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:49" (1/1) ... [2020-10-24 15:10:49,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:49" (1/1) ... [2020-10-24 15:10:49,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:49" (1/1) ... [2020-10-24 15:10:49,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:10:49,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:10:49,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:10:49,524 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:10:49,525 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:49" (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 15:10:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:10:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:10:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:10:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:10:49,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:10:49,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:10:49,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:10:49,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:10:49,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:10:50,227 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:10:50,229 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-24 15:10:50,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:10:50 BoogieIcfgContainer [2020-10-24 15:10:50,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:10:50,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:10:50,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:10:50,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:10:50,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:10:49" (1/3) ... [2020-10-24 15:10:50,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3957fe3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:10:50, skipping insertion in model container [2020-10-24 15:10:50,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:49" (2/3) ... [2020-10-24 15:10:50,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3957fe3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:10:50, skipping insertion in model container [2020-10-24 15:10:50,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:10:50" (3/3) ... [2020-10-24 15:10:50,247 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092a.c [2020-10-24 15:10:50,262 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:10:50,269 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:10:50,290 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:10:50,341 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:10:50,342 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:10:50,342 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:10:50,342 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:10:50,343 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:10:50,343 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:10:50,343 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:10:50,343 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:10:50,370 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2020-10-24 15:10:50,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 15:10:50,382 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:10:50,383 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:10:50,384 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:10:50,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:10:50,392 INFO L82 PathProgramCache]: Analyzing trace with hash -2022248449, now seen corresponding path program 1 times [2020-10-24 15:10:50,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:10:50,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163701250] [2020-10-24 15:10:50,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:10:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:10:50,611 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 15:10:50,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163701250] [2020-10-24 15:10:50,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:10:50,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:10:50,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482700912] [2020-10-24 15:10:50,622 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:10:50,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:10:50,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:10:50,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:10:50,652 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 2 states. [2020-10-24 15:10:50,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:10:50,683 INFO L93 Difference]: Finished difference Result 59 states and 91 transitions. [2020-10-24 15:10:50,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:10:50,685 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 15:10:50,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:10:50,718 INFO L225 Difference]: With dead ends: 59 [2020-10-24 15:10:50,718 INFO L226 Difference]: Without dead ends: 27 [2020-10-24 15:10:50,725 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 15:10:50,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-24 15:10:50,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-10-24 15:10:50,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-10-24 15:10:50,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2020-10-24 15:10:50,784 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 36 transitions. Word has length 10 [2020-10-24 15:10:50,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:10:50,784 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 36 transitions. [2020-10-24 15:10:50,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:10:50,785 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2020-10-24 15:10:50,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 15:10:50,786 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:10:50,787 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:10:50,787 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:10:50,787 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:10:50,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:10:50,791 INFO L82 PathProgramCache]: Analyzing trace with hash -62588350, now seen corresponding path program 1 times [2020-10-24 15:10:50,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:10:50,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049660197] [2020-10-24 15:10:50,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:10:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:10:50,934 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:10:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:10:51,011 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:10:51,065 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:10:51,065 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:10:51,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:10:51,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:10:51 BoogieIcfgContainer [2020-10-24 15:10:51,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:10:51,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:10:51,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:10:51,114 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:10:51,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:10:50" (3/4) ... [2020-10-24 15:10:51,119 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:10:51,120 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:10:51,123 INFO L168 Benchmark]: Toolchain (without parser) took 2025.91 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 27.1 MB in the beginning and 46.3 MB in the end (delta: -19.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:10:51,124 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 33.9 MB in the beginning and 33.8 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:10:51,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.63 ms. Allocated memory is still 50.3 MB. Free memory was 26.4 MB in the beginning and 29.4 MB in the end (delta: -3.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:51,126 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.86 ms. Allocated memory is still 50.3 MB. Free memory was 29.2 MB in the beginning and 27.5 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:10:51,127 INFO L168 Benchmark]: Boogie Preprocessor took 35.53 ms. Allocated memory is still 50.3 MB. Free memory was 27.5 MB in the beginning and 26.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:51,128 INFO L168 Benchmark]: RCFGBuilder took 708.58 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 26.1 MB in the beginning and 35.4 MB in the end (delta: -9.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:51,129 INFO L168 Benchmark]: TraceAbstraction took 876.06 ms. Allocated memory is still 65.0 MB. Free memory was 35.1 MB in the beginning and 46.6 MB in the end (delta: -11.5 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:51,130 INFO L168 Benchmark]: Witness Printer took 6.69 ms. Allocated memory is still 65.0 MB. Free memory was 46.6 MB in the beginning and 46.3 MB in the end (delta: 331.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:10:51,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 50.3 MB. Free memory was 33.9 MB in the beginning and 33.8 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 337.63 ms. Allocated memory is still 50.3 MB. Free memory was 26.4 MB in the beginning and 29.4 MB in the end (delta: -3.0 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.86 ms. Allocated memory is still 50.3 MB. Free memory was 29.2 MB in the beginning and 27.5 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 35.53 ms. Allocated memory is still 50.3 MB. Free memory was 27.5 MB in the beginning and 26.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 708.58 ms. Allocated memory was 50.3 MB in the beginning and 65.0 MB in the end (delta: 14.7 MB). Free memory was 26.1 MB in the beginning and 35.4 MB in the end (delta: -9.3 MB). Peak memory consumption was 10.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 876.06 ms. Allocated memory is still 65.0 MB. Free memory was 35.1 MB in the beginning and 46.6 MB in the end (delta: -11.5 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * Witness Printer took 6.69 ms. Allocated memory is still 65.0 MB. Free memory was 46.6 MB in the beginning and 46.3 MB in the end (delta: 331.1 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 someUnaryFLOAT_SMToperation at line 78, overapproximation of bitwiseAnd at line 23, overapproximation of someBinaryFLOAT_SMTComparisonOperation at line 82. Possible FailurePath: [L13] static const float huge_ceil = 1.0e30; VAL [huge_ceil=1000000000000000000000000000000] [L78] float x = -0.0f; [L16] __int32_t i0, j0; [L17] __uint32_t i, ix; VAL [huge_ceil=1000000000000000000000000000000] [L19] ieee_float_shape_type gf_u; [L20] gf_u.value = (x) [L21] EXPR gf_u.word [L21] (i0) = gf_u.word [L23] ix = (i0 & 0x7fffffff) [L24] j0 = (ix >> 23) - 0x7f VAL [huge_ceil=1000000000000000000000000000000] [L25] COND FALSE !(j0 < 23) VAL [huge_ceil=1000000000000000000000000000000] [L45] COND FALSE !(!((ix) < 0x7f800000L)) [L48] return x; VAL [huge_ceil=1000000000000000000000000000000] [L79] float res = ceil_float(x); [L82] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_ceil=1000000000000000000000000000000] [L82] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L3] __assert_fail("0", "float_req_bl_1092a.c", 3, "reach_error") VAL [huge_ceil=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 39 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=31occurred 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, 21 NumberOfCodeBlocks, 21 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 15:10:54,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:10:54,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:10:54,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:10:54,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:10:54,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:10:54,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:10:54,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:10:54,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:10:54,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:10:54,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:10:54,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:10:54,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:10:54,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:10:54,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:10:54,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:10:54,262 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:10:54,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:10:54,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:10:54,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:10:54,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:10:54,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:10:54,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:10:54,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:10:54,299 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:10:54,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:10:54,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:10:54,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:10:54,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:10:54,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:10:54,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:10:54,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:10:54,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:10:54,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:10:54,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:10:54,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:10:54,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:10:54,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:10:54,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:10:54,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:10:54,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:10:54,331 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 15:10:54,390 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:10:54,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:10:54,396 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:10:54,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:10:54,397 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:10:54,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:10:54,398 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:10:54,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:10:54,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:10:54,398 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:10:54,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:10:54,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:10:54,401 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:10:54,401 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:10:54,401 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:10:54,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:10:54,402 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:10:54,402 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:10:54,402 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:10:54,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:10:54,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:10:54,403 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:10:54,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:10:54,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:10:54,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:10:54,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:10:54,405 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:10:54,405 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:10:54,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:10:54,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:10:54,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:10:54,406 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51b19897c11e4f835362356179f819ee4e466264 [2020-10-24 15:10:54,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:10:54,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:10:54,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:10:54,874 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:10:54,874 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:10:54,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2020-10-24 15:10:54,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/52150ac6d/f9bbaf7b8a2e424e9ac0725f3ecd6cd5/FLAG6b9f4b634 [2020-10-24 15:10:55,778 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:10:55,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1092a.c [2020-10-24 15:10:55,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/52150ac6d/f9bbaf7b8a2e424e9ac0725f3ecd6cd5/FLAG6b9f4b634 [2020-10-24 15:10:56,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/52150ac6d/f9bbaf7b8a2e424e9ac0725f3ecd6cd5 [2020-10-24 15:10:56,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:10:56,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:10:56,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:10:56,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:10:56,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:10:56,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:10:56" (1/1) ... [2020-10-24 15:10:56,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f03082 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:56, skipping insertion in model container [2020-10-24 15:10:56,097 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:10:56" (1/1) ... [2020-10-24 15:10:56,107 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:10:56,135 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:10:56,409 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:10:56,432 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:10:56,472 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:10:56,500 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:10:56,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:56 WrapperNode [2020-10-24 15:10:56,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:10:56,503 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:10:56,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:10:56,504 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:10:56,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:10:56" (1/1) ... [2020-10-24 15:10:56,531 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:10:56,533 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:10:56,535 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 15:10:56,542 INFO L168 Benchmark]: Toolchain (without parser) took 464.21 ms. Allocated memory is still 50.3 MB. Free memory was 27.3 MB in the beginning and 25.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:56,544 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 41.9 MB. Free memory was 22.0 MB in the beginning and 21.9 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:10:56,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.57 ms. Allocated memory is still 50.3 MB. Free memory was 26.7 MB in the beginning and 26.3 MB in the end (delta: 364.9 kB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:56,547 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.46 ms. Allocated memory is still 50.3 MB. Free memory was 26.3 MB in the beginning and 25.4 MB in the end (delta: 881.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:10:56,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 41.9 MB. Free memory was 22.0 MB in the beginning and 21.9 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 416.57 ms. Allocated memory is still 50.3 MB. Free memory was 26.7 MB in the beginning and 26.3 MB in the end (delta: 364.9 kB). Peak memory consumption was 3.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.46 ms. Allocated memory is still 50.3 MB. Free memory was 26.3 MB in the beginning and 25.4 MB in the end (delta: 881.9 kB). Peak memory consumption was 2.1 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~nondet7 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...