./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1052d.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/double_req_bl_1052d.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 4d3da3677db9bcac0085ed27f307e82ca02a6621 ..................................................................................................................................................................................................................................................................................................... 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/double_req_bl_1052d.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 4d3da3677db9bcac0085ed27f307e82ca02a6621 ........................................................................................................................................................................ 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 15:04:21,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:04:21,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:04:21,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:04:21,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:04:21,258 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:04:21,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:04:21,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:04:21,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:04:21,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:04:21,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:04:21,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:04:21,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:04:21,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:04:21,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:04:21,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:04:21,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:04:21,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:04:21,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:04:21,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:04:21,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:04:21,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:04:21,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:04:21,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:04:21,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:04:21,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:04:21,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:04:21,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:04:21,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:04:21,306 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:04:21,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:04:21,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:04:21,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:04:21,313 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:04:21,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:04:21,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:04:21,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:04:21,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:04:21,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:04:21,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:04:21,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:04:21,322 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 15:04:21,382 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:04:21,383 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:04:21,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:04:21,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:04:21,387 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:04:21,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:04:21,388 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:04:21,388 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:04:21,389 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:04:21,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:04:21,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:04:21,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:04:21,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:04:21,391 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:04:21,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:04:21,392 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:04:21,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:04:21,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:04:21,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:04:21,395 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:04:21,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:04:21,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:04:21,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:04:21,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:04:21,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:04:21,404 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:04:21,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:04:21,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:04:21,406 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:04:21,406 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d3da3677db9bcac0085ed27f307e82ca02a6621 [2020-10-24 15:04:21,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:04:21,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:04:21,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:04:21,892 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:04:21,894 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:04:21,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2020-10-24 15:04:21,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a3a1b525/bf4470f1e7644fc68bdfd4e12002d3ed/FLAGc8551e2f5 [2020-10-24 15:04:22,801 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:04:22,802 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2020-10-24 15:04:22,815 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a3a1b525/bf4470f1e7644fc68bdfd4e12002d3ed/FLAGc8551e2f5 [2020-10-24 15:04:23,098 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5a3a1b525/bf4470f1e7644fc68bdfd4e12002d3ed [2020-10-24 15:04:23,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:04:23,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:04:23,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:04:23,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:04:23,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:04:23,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:04:23" (1/1) ... [2020-10-24 15:04:23,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e29914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:23, skipping insertion in model container [2020-10-24 15:04:23,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:04:23" (1/1) ... [2020-10-24 15:04:23,146 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:04:23,173 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:04:23,414 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:04:23,424 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:04:23,466 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:04:23,484 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:04:23,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:23 WrapperNode [2020-10-24 15:04:23,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:04:23,486 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:04:23,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:04:23,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:04:23,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:23" (1/1) ... [2020-10-24 15:04:23,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:23" (1/1) ... [2020-10-24 15:04:23,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:04:23,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:04:23,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:04:23,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:04:23,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:23" (1/1) ... [2020-10-24 15:04:23,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:23" (1/1) ... [2020-10-24 15:04:23,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:23" (1/1) ... [2020-10-24 15:04:23,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:23" (1/1) ... [2020-10-24 15:04:23,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:23" (1/1) ... [2020-10-24 15:04:23,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:23" (1/1) ... [2020-10-24 15:04:23,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:23" (1/1) ... [2020-10-24 15:04:23,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:04:23,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:04:23,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:04:23,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:04:23,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:23" (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 15:04:23,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:04:23,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:04:23,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:04:23,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:04:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:04:23,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:04:23,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:04:23,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:04:23,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:04:24,238 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:04:24,238 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-24 15:04:24,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:04:24 BoogieIcfgContainer [2020-10-24 15:04:24,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:04:24,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:04:24,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:04:24,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:04:24,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:04:23" (1/3) ... [2020-10-24 15:04:24,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684a40dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:04:24, skipping insertion in model container [2020-10-24 15:04:24,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:23" (2/3) ... [2020-10-24 15:04:24,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684a40dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:04:24, skipping insertion in model container [2020-10-24 15:04:24,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:04:24" (3/3) ... [2020-10-24 15:04:24,263 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052d.c [2020-10-24 15:04:24,278 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:04:24,285 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:04:24,301 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:04:24,351 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:04:24,351 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:04:24,351 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:04:24,352 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:04:24,352 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:04:24,352 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:04:24,352 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:04:24,353 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:04:24,375 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-10-24 15:04:24,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 15:04:24,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:04:24,384 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:04:24,385 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:04:24,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:04:24,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2020-10-24 15:04:24,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:04:24,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617898323] [2020-10-24 15:04:24,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:04:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:04:24,623 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 15:04:24,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617898323] [2020-10-24 15:04:24,625 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:04:24,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:04:24,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067087570] [2020-10-24 15:04:24,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:04:24,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:04:24,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:04:24,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:04:24,656 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2020-10-24 15:04:24,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:04:24,693 INFO L93 Difference]: Finished difference Result 75 states and 119 transitions. [2020-10-24 15:04:24,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:04:24,695 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-24 15:04:24,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:04:24,707 INFO L225 Difference]: With dead ends: 75 [2020-10-24 15:04:24,708 INFO L226 Difference]: Without dead ends: 35 [2020-10-24 15:04:24,712 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 15:04:24,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-24 15:04:24,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-24 15:04:24,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-24 15:04:24,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2020-10-24 15:04:24,761 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2020-10-24 15:04:24,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:04:24,762 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2020-10-24 15:04:24,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:04:24,762 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2020-10-24 15:04:24,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 15:04:24,766 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:04:24,766 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:04:24,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:04:24,767 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:04:24,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:04:24,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2020-10-24 15:04:24,768 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:04:24,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603947725] [2020-10-24 15:04:24,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:04:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:04:24,822 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:04:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:04:24,866 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:04:24,905 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:04:24,905 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:04:24,907 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:04:24,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:04:24 BoogieIcfgContainer [2020-10-24 15:04:24,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:04:24,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:04:24,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:04:24,962 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:04:24,962 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:04:24" (3/4) ... [2020-10-24 15:04:24,966 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:04:24,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:04:24,972 INFO L168 Benchmark]: Toolchain (without parser) took 1854.82 ms. Allocated memory is still 56.6 MB. Free memory was 40.5 MB in the beginning and 28.3 MB in the end (delta: 12.3 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:24,973 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 41.9 MB. Free memory was 26.5 MB in the beginning and 26.5 MB in the end (delta: 23.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:04:24,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.35 ms. Allocated memory is still 56.6 MB. Free memory was 39.9 MB in the beginning and 29.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:24,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.04 ms. Allocated memory is still 56.6 MB. Free memory was 29.0 MB in the beginning and 27.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:24,976 INFO L168 Benchmark]: Boogie Preprocessor took 34.72 ms. Allocated memory is still 56.6 MB. Free memory was 27.2 MB in the beginning and 25.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:04:24,977 INFO L168 Benchmark]: RCFGBuilder took 667.18 ms. Allocated memory is still 56.6 MB. Free memory was 25.6 MB in the beginning and 35.6 MB in the end (delta: -10.0 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:24,979 INFO L168 Benchmark]: TraceAbstraction took 715.10 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 28.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:24,980 INFO L168 Benchmark]: Witness Printer took 5.74 ms. Allocated memory is still 56.6 MB. Free memory was 28.5 MB in the beginning and 28.3 MB in the end (delta: 286.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:04:24,997 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 41.9 MB. Free memory was 26.5 MB in the beginning and 26.5 MB in the end (delta: 23.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 361.35 ms. Allocated memory is still 56.6 MB. Free memory was 39.9 MB in the beginning and 29.0 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.04 ms. Allocated memory is still 56.6 MB. Free memory was 29.0 MB in the beginning and 27.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.72 ms. Allocated memory is still 56.6 MB. Free memory was 27.2 MB in the beginning and 25.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 667.18 ms. Allocated memory is still 56.6 MB. Free memory was 25.6 MB in the beginning and 35.6 MB in the end (delta: -10.0 MB). Peak memory consumption was 6.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 715.10 ms. Allocated memory is still 56.6 MB. Free memory was 35.0 MB in the beginning and 28.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Witness Printer took 5.74 ms. Allocated memory is still 56.6 MB. Free memory was 28.5 MB in the beginning and 28.3 MB in the end (delta: 286.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 39, overapproximation of bitwiseOr at line 40, overapproximation of bitwiseAnd at line 27, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 104. Possible FailurePath: [L16] static const double huge_floor = 1.0e300; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L100] double x = 0.0; [L19] __int32_t i0, i1, j0; [L20] __uint32_t i, j; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (i0) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (i1) = ew_u.parts.lsw [L27] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L28] COND TRUE j0 < 20 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L29] COND FALSE !(j0 < 0) [L39] i = (0x000fffff) >> j0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L40] COND TRUE ((i0 & i) | i1) == 0 [L41] return x; VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L101] double res = floor_double(x); [L104] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L104] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_1052d.c", 3, "reach_error") VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 39 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: 53 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=39occurred 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 15:04:27,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:04:27,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:04:27,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:04:27,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:04:27,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:04:27,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:04:27,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:04:27,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:04:27,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:04:27,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:04:27,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:04:27,743 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:04:27,744 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:04:27,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:04:27,746 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:04:27,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:04:27,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:04:27,760 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:04:27,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:04:27,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:04:27,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:04:27,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:04:27,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:04:27,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:04:27,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:04:27,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:04:27,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:04:27,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:04:27,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:04:27,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:04:27,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:04:27,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:04:27,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:04:27,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:04:27,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:04:27,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:04:27,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:04:27,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:04:27,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:04:27,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:04:27,785 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 15:04:27,838 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:04:27,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:04:27,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:04:27,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:04:27,843 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:04:27,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:04:27,843 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:04:27,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:04:27,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:04:27,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:04:27,845 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:04:27,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:04:27,846 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:04:27,846 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:04:27,846 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:04:27,846 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:04:27,846 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:04:27,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:04:27,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:04:27,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:04:27,847 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:04:27,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:04:27,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:04:27,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:04:27,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:04:27,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:04:27,849 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:04:27,849 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:04:27,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:04:27,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:04:27,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:04:27,850 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d3da3677db9bcac0085ed27f307e82ca02a6621 [2020-10-24 15:04:28,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:04:28,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:04:28,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:04:28,347 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:04:28,348 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:04:28,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2020-10-24 15:04:28,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c095a4ec/fae939c03bf3413f8588554ff4ca4b2c/FLAGb971d06c7 [2020-10-24 15:04:29,158 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:04:29,159 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1052d.c [2020-10-24 15:04:29,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c095a4ec/fae939c03bf3413f8588554ff4ca4b2c/FLAGb971d06c7 [2020-10-24 15:04:29,507 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c095a4ec/fae939c03bf3413f8588554ff4ca4b2c [2020-10-24 15:04:29,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:04:29,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:04:29,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:04:29,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:04:29,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:04:29,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:04:29" (1/1) ... [2020-10-24 15:04:29,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f1591d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:29, skipping insertion in model container [2020-10-24 15:04:29,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:04:29" (1/1) ... [2020-10-24 15:04:29,544 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:04:29,564 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:04:29,890 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:04:29,911 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:04:29,953 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:04:29,981 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:04:29,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:29 WrapperNode [2020-10-24 15:04:29,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:04:29,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:04:29,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:04:29,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:04:29,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:29" (1/1) ... [2020-10-24 15:04:30,007 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:04:30,009 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:04:30,014 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 15:04:30,022 INFO L168 Benchmark]: Toolchain (without parser) took 502.40 ms. Allocated memory is still 48.2 MB. Free memory was 25.6 MB in the beginning and 25.1 MB in the end (delta: 544.5 kB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:30,024 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 48.2 MB. Free memory is still 33.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:04:30,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.96 ms. Allocated memory is still 48.2 MB. Free memory was 25.0 MB in the beginning and 26.0 MB in the end (delta: -1.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:30,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.51 ms. Allocated memory is still 48.2 MB. Free memory was 26.0 MB in the beginning and 25.1 MB in the end (delta: 909.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:04:30,037 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 48.2 MB. Free memory is still 33.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 457.96 ms. Allocated memory is still 48.2 MB. Free memory was 25.0 MB in the beginning and 26.0 MB in the end (delta: -1.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.51 ms. Allocated memory is still 48.2 MB. Free memory was 26.0 MB in the beginning and 25.1 MB in the end (delta: 909.3 kB). There was no memory consumed. 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...