./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0710.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_0710.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 bef6e9194447b24677d0088ba0b7766a25273d0b ................................................................................................................................................................................................................................................................................................ 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_0710.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 bef6e9194447b24677d0088ba0b7766a25273d0b .............................................................................................................................................................................. 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 15:07:53,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:07:53,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:07:53,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:07:53,420 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:07:53,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:07:53,423 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:07:53,425 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:07:53,428 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:07:53,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:07:53,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:07:53,432 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:07:53,433 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:07:53,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:07:53,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:07:53,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:07:53,439 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:07:53,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:07:53,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:07:53,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:07:53,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:07:53,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:07:53,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:07:53,469 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:07:53,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:07:53,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:07:53,480 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:07:53,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:07:53,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:07:53,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:07:53,487 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:07:53,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:07:53,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:07:53,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:07:53,498 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:07:53,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:07:53,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:07:53,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:07:53,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:07:53,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:07:53,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:07:53,512 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 15:07:53,564 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:07:53,565 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:07:53,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:07:53,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:07:53,570 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:07:53,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:07:53,570 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:07:53,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:07:53,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:07:53,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:07:53,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:07:53,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:07:53,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:07:53,571 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:07:53,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:07:53,572 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:07:53,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:07:53,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:07:53,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:07:53,572 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:07:53,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:07:53,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:07:53,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:07:53,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:07:53,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:07:53,577 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:07:53,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:07:53,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:07:53,577 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:07:53,578 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bef6e9194447b24677d0088ba0b7766a25273d0b [2020-10-24 15:07:53,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:07:53,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:07:53,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:07:54,000 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:07:54,001 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:07:54,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0710.c [2020-10-24 15:07:54,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f9e1b111/6895e791b68544ab8931335211fb98a5/FLAGe8a72298f [2020-10-24 15:07:54,687 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:07:54,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0710.c [2020-10-24 15:07:54,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f9e1b111/6895e791b68544ab8931335211fb98a5/FLAGe8a72298f [2020-10-24 15:07:55,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f9e1b111/6895e791b68544ab8931335211fb98a5 [2020-10-24 15:07:55,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:07:55,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:07:55,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:07:55,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:07:55,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:07:55,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:07:55" (1/1) ... [2020-10-24 15:07:55,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ebff1b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:55, skipping insertion in model container [2020-10-24 15:07:55,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:07:55" (1/1) ... [2020-10-24 15:07:55,119 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:07:55,148 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:07:55,375 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:07:55,403 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:07:55,436 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:07:55,454 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:07:55,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:55 WrapperNode [2020-10-24 15:07:55,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:07:55,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:07:55,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:07:55,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:07:55,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:55" (1/1) ... [2020-10-24 15:07:55,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:55" (1/1) ... [2020-10-24 15:07:55,506 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:07:55,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:07:55,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:07:55,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:07:55,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:55" (1/1) ... [2020-10-24 15:07:55,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:55" (1/1) ... [2020-10-24 15:07:55,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:55" (1/1) ... [2020-10-24 15:07:55,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:55" (1/1) ... [2020-10-24 15:07:55,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:55" (1/1) ... [2020-10-24 15:07:55,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:55" (1/1) ... [2020-10-24 15:07:55,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:55" (1/1) ... [2020-10-24 15:07:55,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:07:55,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:07:55,546 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:07:55,546 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:07:55,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:55" (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 15:07:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:07:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:07:55,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:07:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:07:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:07:55,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:07:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:07:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:07:55,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:07:56,322 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:07:56,322 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-24 15:07:56,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:07:56 BoogieIcfgContainer [2020-10-24 15:07:56,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:07:56,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:07:56,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:07:56,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:07:56,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:07:55" (1/3) ... [2020-10-24 15:07:56,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1f665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:07:56, skipping insertion in model container [2020-10-24 15:07:56,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:07:55" (2/3) ... [2020-10-24 15:07:56,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1f665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:07:56, skipping insertion in model container [2020-10-24 15:07:56,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:07:56" (3/3) ... [2020-10-24 15:07:56,335 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0710.c [2020-10-24 15:07:56,347 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:07:56,353 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:07:56,366 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:07:56,392 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:07:56,392 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:07:56,392 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:07:56,392 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:07:56,392 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:07:56,393 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:07:56,393 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:07:56,393 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:07:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2020-10-24 15:07:56,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 15:07:56,415 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:07:56,416 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:07:56,417 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:07:56,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:07:56,424 INFO L82 PathProgramCache]: Analyzing trace with hash 860611220, now seen corresponding path program 1 times [2020-10-24 15:07:56,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:07:56,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907418587] [2020-10-24 15:07:56,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:07:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:07:56,593 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 15:07:56,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907418587] [2020-10-24 15:07:56,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:07:56,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:07:56,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760350370] [2020-10-24 15:07:56,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:07:56,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:07:56,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:07:56,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:07:56,629 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2020-10-24 15:07:56,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:07:56,656 INFO L93 Difference]: Finished difference Result 68 states and 103 transitions. [2020-10-24 15:07:56,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:07:56,658 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 15:07:56,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:07:56,669 INFO L225 Difference]: With dead ends: 68 [2020-10-24 15:07:56,669 INFO L226 Difference]: Without dead ends: 31 [2020-10-24 15:07:56,673 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 15:07:56,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-24 15:07:56,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-24 15:07:56,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-24 15:07:56,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 41 transitions. [2020-10-24 15:07:56,715 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 41 transitions. Word has length 10 [2020-10-24 15:07:56,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:07:56,715 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 41 transitions. [2020-10-24 15:07:56,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:07:56,715 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 41 transitions. [2020-10-24 15:07:56,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 15:07:56,716 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:07:56,716 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:07:56,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:07:56,717 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:07:56,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:07:56,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1279985196, now seen corresponding path program 1 times [2020-10-24 15:07:56,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:07:56,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443203687] [2020-10-24 15:07:56,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:07:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:07:56,778 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:07:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:07:56,851 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:07:56,894 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:07:56,895 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:07:56,896 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:07:56,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:07:56 BoogieIcfgContainer [2020-10-24 15:07:56,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:07:56,928 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:07:56,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:07:56,928 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:07:56,929 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:07:56" (3/4) ... [2020-10-24 15:07:56,933 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:07:56,933 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:07:56,935 INFO L168 Benchmark]: Toolchain (without parser) took 1850.18 ms. Allocated memory is still 58.7 MB. Free memory was 35.1 MB in the beginning and 30.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:07:56,936 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 39.8 MB. Free memory was 25.8 MB in the beginning and 25.8 MB in the end (delta: 16.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:07:56,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.90 ms. Allocated memory is still 58.7 MB. Free memory was 34.4 MB in the beginning and 40.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:07:56,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.87 ms. Allocated memory is still 58.7 MB. Free memory was 40.6 MB in the beginning and 38.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:07:56,939 INFO L168 Benchmark]: Boogie Preprocessor took 37.40 ms. Allocated memory is still 58.7 MB. Free memory was 38.8 MB in the beginning and 37.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:07:56,940 INFO L168 Benchmark]: RCFGBuilder took 779.35 ms. Allocated memory is still 58.7 MB. Free memory was 37.4 MB in the beginning and 35.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:07:56,941 INFO L168 Benchmark]: TraceAbstraction took 600.90 ms. Allocated memory is still 58.7 MB. Free memory was 34.8 MB in the beginning and 30.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:07:56,942 INFO L168 Benchmark]: Witness Printer took 5.12 ms. Allocated memory is still 58.7 MB. Free memory was 30.9 MB in the beginning and 30.6 MB in the end (delta: 299.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:07:56,947 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 39.8 MB. Free memory was 25.8 MB in the beginning and 25.8 MB in the end (delta: 16.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 360.90 ms. Allocated memory is still 58.7 MB. Free memory was 34.4 MB in the beginning and 40.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.87 ms. Allocated memory is still 58.7 MB. Free memory was 40.6 MB in the beginning and 38.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.40 ms. Allocated memory is still 58.7 MB. Free memory was 38.8 MB in the beginning and 37.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 779.35 ms. Allocated memory is still 58.7 MB. Free memory was 37.4 MB in the beginning and 35.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 600.90 ms. Allocated memory is still 58.7 MB. Free memory was 34.8 MB in the beginning and 30.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.12 ms. Allocated memory is still 58.7 MB. Free memory was 30.9 MB in the beginning and 30.6 MB in the end (delta: 299.1 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 someBinaryArithmeticFLOAT_SMToperation at line 32, overapproximation of someBinaryFLOAT_SMTComparisonOperation at line 15, overapproximation of bitwiseAnd at line 29. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L93] float x = __VERIFIER_nondet_float(); [L94] COND TRUE x < -0.0f [L20] float z; [L21] __uint32_t r, hx; [L22] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L25] ieee_float_shape_type gf_u; [L26] gf_u.value = (x) [L27] EXPR gf_u.word [L27] (ix) = gf_u.word [L29] hx = ix & 0x7fffffff VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L31] COND TRUE !((hx) < 0x7f800000L) [L32] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L96] float res = __ieee754_sqrtf(x); [L15] return x != x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L99] COND TRUE !isnan_float(res) [L3] __assert_fail("0", "float_req_bl_0710.c", 3, "reach_error") VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 36 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 46 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=36occurred 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, 0.0s 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 15:07:59,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:07:59,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:07:59,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:07:59,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:07:59,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:07:59,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:07:59,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:07:59,584 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:07:59,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:07:59,586 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:07:59,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:07:59,589 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:07:59,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:07:59,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:07:59,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:07:59,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:07:59,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:07:59,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:07:59,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:07:59,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:07:59,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:07:59,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:07:59,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:07:59,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:07:59,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:07:59,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:07:59,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:07:59,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:07:59,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:07:59,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:07:59,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:07:59,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:07:59,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:07:59,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:07:59,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:07:59,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:07:59,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:07:59,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:07:59,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:07:59,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:07:59,659 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 15:07:59,713 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:07:59,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:07:59,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:07:59,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:07:59,718 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:07:59,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:07:59,719 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:07:59,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:07:59,719 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:07:59,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:07:59,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:07:59,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:07:59,721 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:07:59,722 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:07:59,722 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:07:59,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:07:59,723 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:07:59,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:07:59,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:07:59,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:07:59,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:07:59,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:07:59,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:07:59,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:07:59,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:07:59,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:07:59,725 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:07:59,726 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:07:59,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:07:59,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:07:59,727 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:07:59,727 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bef6e9194447b24677d0088ba0b7766a25273d0b [2020-10-24 15:08:00,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:08:00,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:08:00,254 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:08:00,256 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:08:00,257 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:08:00,258 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0710.c [2020-10-24 15:08:00,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cfc4f2ae/25f15563f19d4f2e837e00d54b8dcd18/FLAG32cbfaa56 [2020-10-24 15:08:00,960 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:08:00,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0710.c [2020-10-24 15:08:00,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cfc4f2ae/25f15563f19d4f2e837e00d54b8dcd18/FLAG32cbfaa56 [2020-10-24 15:08:01,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cfc4f2ae/25f15563f19d4f2e837e00d54b8dcd18 [2020-10-24 15:08:01,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:08:01,334 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:08:01,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:08:01,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:08:01,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:08:01,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:08:01" (1/1) ... [2020-10-24 15:08:01,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b528334 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:08:01, skipping insertion in model container [2020-10-24 15:08:01,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:08:01" (1/1) ... [2020-10-24 15:08:01,358 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:08:01,389 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:08:01,629 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:08:01,648 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:08:01,690 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:08:01,713 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:08:01,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:08:01 WrapperNode [2020-10-24 15:08:01,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:08:01,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:08:01,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:08:01,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:08:01,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:08:01" (1/1) ... [2020-10-24 15:08:01,749 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:08:01,750 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:08:01,751 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:08:01,751 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet8 which is not a global variable [2020-10-24 15:08:01,753 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 15:08:01,759 INFO L168 Benchmark]: Toolchain (without parser) took 428.21 ms. Allocated memory was 41.9 MB in the beginning and 50.3 MB in the end (delta: 8.4 MB). Free memory was 19.5 MB in the beginning and 35.0 MB in the end (delta: -15.5 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-24 15:08:01,761 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 41.9 MB. Free memory was 22.3 MB in the beginning and 22.3 MB in the end (delta: 37.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:08:01,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.51 ms. Allocated memory is still 41.9 MB. Free memory was 18.9 MB in the beginning and 18.1 MB in the end (delta: 776.6 kB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-10-24 15:08:01,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.21 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 35.0 MB in the end (delta: -17.0 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:08:01,766 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 41.9 MB. Free memory was 22.3 MB in the beginning and 22.3 MB in the end (delta: 37.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 376.51 ms. Allocated memory is still 41.9 MB. Free memory was 18.9 MB in the beginning and 18.1 MB in the end (delta: 776.6 kB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.21 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 35.0 MB in the end (delta: -17.0 MB). Peak memory consumption was 5.1 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~nondet8 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 * 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...