./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1052c.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_1052c.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 94bd51eb56827c6c266b6ed4f7ea5182fc2e875c ..................................................................................................................................................................................................................................................................................................... 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_1052c.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 94bd51eb56827c6c266b6ed4f7ea5182fc2e875c ........................................................................................................................................................................ 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 15:04:12,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:04:12,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:04:12,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:04:12,565 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:04:12,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:04:12,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:04:12,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:04:12,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:04:12,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:04:12,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:04:12,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:04:12,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:04:12,580 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:04:12,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:04:12,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:04:12,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:04:12,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:04:12,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:04:12,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:04:12,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:04:12,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:04:12,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:04:12,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:04:12,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:04:12,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:04:12,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:04:12,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:04:12,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:04:12,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:04:12,620 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:04:12,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:04:12,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:04:12,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:04:12,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:04:12,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:04:12,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:04:12,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:04:12,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:04:12,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:04:12,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:04:12,631 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 15:04:12,658 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:04:12,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:04:12,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:04:12,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:04:12,660 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:04:12,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:04:12,661 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:04:12,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:04:12,661 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:04:12,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:04:12,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:04:12,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:04:12,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:04:12,662 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:04:12,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:04:12,662 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:04:12,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:04:12,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:04:12,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:04:12,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:04:12,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:04:12,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:04:12,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:04:12,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:04:12,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:04:12,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:04:12,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:04:12,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:04:12,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:04:12,665 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94bd51eb56827c6c266b6ed4f7ea5182fc2e875c [2020-10-24 15:04:13,071 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:04:13,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:04:13,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:04:13,109 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:04:13,112 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:04:13,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1052c.c [2020-10-24 15:04:13,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46c9864ee/e185f9d349934b558ab9eb67f476c94d/FLAG15e30eed1 [2020-10-24 15:04:14,004 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:04:14,005 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1052c.c [2020-10-24 15:04:14,014 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46c9864ee/e185f9d349934b558ab9eb67f476c94d/FLAG15e30eed1 [2020-10-24 15:04:14,328 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/46c9864ee/e185f9d349934b558ab9eb67f476c94d [2020-10-24 15:04:14,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:04:14,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:04:14,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:04:14,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:04:14,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:04:14,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:04:14" (1/1) ... [2020-10-24 15:04:14,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e4ca5db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:14, skipping insertion in model container [2020-10-24 15:04:14,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:04:14" (1/1) ... [2020-10-24 15:04:14,360 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:04:14,379 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:04:14,579 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:04:14,590 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:04:14,646 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:04:14,665 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:04:14,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:14 WrapperNode [2020-10-24 15:04:14,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:04:14,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:04:14,668 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:04:14,668 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:04:14,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:14" (1/1) ... [2020-10-24 15:04:14,689 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:14" (1/1) ... [2020-10-24 15:04:14,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:04:14,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:04:14,719 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:04:14,719 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:04:14,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:14" (1/1) ... [2020-10-24 15:04:14,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:14" (1/1) ... [2020-10-24 15:04:14,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:14" (1/1) ... [2020-10-24 15:04:14,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:14" (1/1) ... [2020-10-24 15:04:14,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:14" (1/1) ... [2020-10-24 15:04:14,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:14" (1/1) ... [2020-10-24 15:04:14,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:14" (1/1) ... [2020-10-24 15:04:14,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:04:14,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:04:14,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:04:14,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:04:14,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:14" (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 15:04:14,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:04:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:04:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:04:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:04:14,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:04:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:04:14,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:04:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:04:14,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:04:15,243 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:04:15,244 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-24 15:04:15,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:04:15 BoogieIcfgContainer [2020-10-24 15:04:15,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:04:15,250 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:04:15,250 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:04:15,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:04:15,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:04:14" (1/3) ... [2020-10-24 15:04:15,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff2ace9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:04:15, skipping insertion in model container [2020-10-24 15:04:15,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:14" (2/3) ... [2020-10-24 15:04:15,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff2ace9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:04:15, skipping insertion in model container [2020-10-24 15:04:15,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:04:15" (3/3) ... [2020-10-24 15:04:15,262 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1052c.c [2020-10-24 15:04:15,280 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:04:15,287 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:04:15,306 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:04:15,343 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:04:15,348 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:04:15,348 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:04:15,349 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:04:15,349 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:04:15,349 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:04:15,349 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:04:15,350 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:04:15,390 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2020-10-24 15:04:15,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 15:04:15,405 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:04:15,409 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:04:15,412 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:04:15,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:04:15,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1930029915, now seen corresponding path program 1 times [2020-10-24 15:04:15,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:04:15,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698303411] [2020-10-24 15:04:15,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:04:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:04:15,695 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 15:04:15,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698303411] [2020-10-24 15:04:15,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:04:15,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:04:15,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279605441] [2020-10-24 15:04:15,705 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:04:15,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:04:15,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:04:15,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:04:15,731 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2020-10-24 15:04:15,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:04:15,779 INFO L93 Difference]: Finished difference Result 75 states and 119 transitions. [2020-10-24 15:04:15,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:04:15,781 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-24 15:04:15,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:04:15,807 INFO L225 Difference]: With dead ends: 75 [2020-10-24 15:04:15,807 INFO L226 Difference]: Without dead ends: 35 [2020-10-24 15:04:15,821 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 15:04:15,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-24 15:04:15,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2020-10-24 15:04:15,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2020-10-24 15:04:15,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 50 transitions. [2020-10-24 15:04:15,865 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 50 transitions. Word has length 11 [2020-10-24 15:04:15,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:04:15,866 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 50 transitions. [2020-10-24 15:04:15,866 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:04:15,866 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2020-10-24 15:04:15,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 15:04:15,867 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:04:15,868 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:04:15,868 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:04:15,868 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:04:15,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:04:15,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1310108990, now seen corresponding path program 1 times [2020-10-24 15:04:15,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:04:15,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592723441] [2020-10-24 15:04:15,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:04:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:04:15,926 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:04:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:04:15,989 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:04:16,017 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:04:16,017 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:04:16,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:04:16,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:04:16 BoogieIcfgContainer [2020-10-24 15:04:16,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:04:16,071 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:04:16,072 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:04:16,072 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:04:16,073 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:04:15" (3/4) ... [2020-10-24 15:04:16,077 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:04:16,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:04:16,083 INFO L168 Benchmark]: Toolchain (without parser) took 1745.87 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.1 MB in the beginning and 33.8 MB in the end (delta: -12.7 MB). Peak memory consumption was 735.5 kB. Max. memory is 16.1 GB. [2020-10-24 15:04:16,085 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 44.0 MB. Free memory was 29.2 MB in the beginning and 29.1 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:04:16,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.64 ms. Allocated memory is still 44.0 MB. Free memory was 20.4 MB in the beginning and 22.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:16,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.77 ms. Allocated memory is still 44.0 MB. Free memory was 22.8 MB in the beginning and 20.9 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:04:16,089 INFO L168 Benchmark]: Boogie Preprocessor took 37.52 ms. Allocated memory is still 44.0 MB. Free memory was 20.9 MB in the beginning and 19.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:16,091 INFO L168 Benchmark]: RCFGBuilder took 489.81 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.4 MB in the beginning and 29.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:16,093 INFO L168 Benchmark]: TraceAbstraction took 820.32 ms. Allocated memory is still 54.5 MB. Free memory was 28.7 MB in the beginning and 34.1 MB in the end (delta: -5.4 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:16,094 INFO L168 Benchmark]: Witness Printer took 6.27 ms. Allocated memory is still 54.5 MB. Free memory was 34.1 MB in the beginning and 33.8 MB in the end (delta: 309.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:04:16,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 44.0 MB. Free memory was 29.2 MB in the beginning and 29.1 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 326.64 ms. Allocated memory is still 44.0 MB. Free memory was 20.4 MB in the beginning and 22.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 49.77 ms. Allocated memory is still 44.0 MB. Free memory was 22.8 MB in the beginning and 20.9 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.52 ms. Allocated memory is still 44.0 MB. Free memory was 20.9 MB in the beginning and 19.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 489.81 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.4 MB in the beginning and 29.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 820.32 ms. Allocated memory is still 54.5 MB. Free memory was 28.7 MB in the beginning and 34.1 MB in the end (delta: -5.4 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Witness Printer took 6.27 ms. Allocated memory is still 54.5 MB. Free memory was 34.1 MB in the beginning and 33.8 MB in the end (delta: 309.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLE_SMToperation at line 100, 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) == 1 VAL [huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L104] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L3] __assert_fail("0", "double_req_bl_1052c.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: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, 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 15:04:18,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:04:18,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:04:18,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:04:18,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:04:18,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:04:18,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:04:18,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:04:18,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:04:18,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:04:18,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:04:18,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:04:18,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:04:18,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:04:18,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:04:18,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:04:18,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:04:18,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:04:18,946 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:04:18,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:04:18,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:04:18,951 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:04:18,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:04:18,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:04:18,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:04:18,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:04:18,965 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:04:18,966 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:04:18,966 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:04:18,967 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:04:18,968 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:04:18,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:04:18,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:04:18,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:04:18,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:04:18,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:04:18,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:04:18,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:04:18,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:04:18,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:04:18,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:04:18,980 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 15:04:19,032 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:04:19,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:04:19,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:04:19,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:04:19,035 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:04:19,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:04:19,035 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:04:19,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:04:19,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:04:19,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:04:19,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:04:19,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:04:19,037 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:04:19,037 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:04:19,037 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:04:19,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:04:19,038 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:04:19,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:04:19,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:04:19,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:04:19,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:04:19,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:04:19,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:04:19,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:04:19,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:04:19,040 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:04:19,040 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:04:19,041 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:04:19,041 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:04:19,041 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:04:19,041 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:04:19,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94bd51eb56827c6c266b6ed4f7ea5182fc2e875c [2020-10-24 15:04:19,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:04:19,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:04:19,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:04:19,485 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:04:19,487 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:04:19,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1052c.c [2020-10-24 15:04:19,562 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6a98c5dd0/50bcd698f20c4081b77baa5e212c5bf7/FLAG6858fae31 [2020-10-24 15:04:20,255 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:04:20,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1052c.c [2020-10-24 15:04:20,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6a98c5dd0/50bcd698f20c4081b77baa5e212c5bf7/FLAG6858fae31 [2020-10-24 15:04:20,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6a98c5dd0/50bcd698f20c4081b77baa5e212c5bf7 [2020-10-24 15:04:20,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:04:20,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:04:20,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:04:20,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:04:20,664 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:04:20,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:04:20" (1/1) ... [2020-10-24 15:04:20,673 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@410769b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:20, skipping insertion in model container [2020-10-24 15:04:20,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:04:20" (1/1) ... [2020-10-24 15:04:20,699 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:04:20,726 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:04:20,939 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:04:20,957 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:04:21,000 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:04:21,034 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:04:21,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:21 WrapperNode [2020-10-24 15:04:21,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:04:21,037 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:04:21,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:04:21,039 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:04:21,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:04:21" (1/1) ... [2020-10-24 15:04:21,065 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:04:21,067 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:04:21,071 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 15:04:21,080 INFO L168 Benchmark]: Toolchain (without parser) took 449.86 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.4 MB in the beginning and 34.5 MB in the end (delta: -14.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:04:21,082 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 44.0 MB. Free memory was 30.1 MB in the beginning and 30.1 MB in the end (delta: 16.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:04:21,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.16 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 28.9 MB in the beginning and 35.4 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:21,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.69 ms. Allocated memory is still 54.5 MB. Free memory was 35.4 MB in the beginning and 34.5 MB in the end (delta: 971.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:04:21,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 44.0 MB. Free memory was 30.1 MB in the beginning and 30.1 MB in the end (delta: 16.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 381.16 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 28.9 MB in the beginning and 35.4 MB in the end (delta: -6.6 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.69 ms. Allocated memory is still 54.5 MB. Free memory was 35.4 MB in the beginning and 34.5 MB in the end (delta: 971.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet7 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet7 which is not a global variable * Results from de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: - ExceptionOrErrorResult: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.internalError(TypeCheckHelper.java:297) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...