./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1210.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_1210.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 85e5b86abce931d95696fba33e25199d528f9f0e ..................................................................................................................................................................................................................................................................................................................................................... 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_1210.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 85e5b86abce931d95696fba33e25199d528f9f0e ........................................................................................................................................................................ 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 15:05:31,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 15:05:31,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 15:05:31,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 15:05:31,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 15:05:31,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 15:05:31,727 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 15:05:31,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 15:05:31,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 15:05:31,733 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 15:05:31,734 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 15:05:31,735 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 15:05:31,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 15:05:31,737 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 15:05:31,738 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 15:05:31,740 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 15:05:31,741 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 15:05:31,742 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 15:05:31,744 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 15:05:31,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 15:05:31,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 15:05:31,749 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 15:05:31,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 15:05:31,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 15:05:31,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 15:05:31,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 15:05:31,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 15:05:31,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 15:05:31,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 15:05:31,759 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 15:05:31,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:05:31,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:05:31,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:05:31,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:05:31,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:05:31,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:05:31,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:05:31,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:05:31,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:05:31,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:05:31,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:05:31,769 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 15:05:31,819 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:05:31,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:05:31,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:05:31,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:05:31,822 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:05:31,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:05:31,823 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:05:31,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 15:05:31,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:05:31,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:05:31,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:05:31,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:05:31,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:05:31,825 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:05:31,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:05:31,825 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:05:31,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:05:31,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:05:31,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:05:31,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:05:31,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:05:31,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:05:31,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:05:31,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:05:31,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:05:31,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 15:05:31,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 15:05:31,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:05:31,829 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:05:31,829 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85e5b86abce931d95696fba33e25199d528f9f0e [2020-10-24 15:05:32,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:05:32,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:05:32,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:05:32,279 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:05:32,280 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:05:32,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2020-10-24 15:05:32,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1774bc2e5/1832d0da45bb41bc96154b2305c4a103/FLAGa5e7113b1 [2020-10-24 15:05:33,036 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:05:33,037 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2020-10-24 15:05:33,047 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1774bc2e5/1832d0da45bb41bc96154b2305c4a103/FLAGa5e7113b1 [2020-10-24 15:05:33,350 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1774bc2e5/1832d0da45bb41bc96154b2305c4a103 [2020-10-24 15:05:33,354 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:05:33,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:05:33,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:33,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:05:33,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:05:33,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:33" (1/1) ... [2020-10-24 15:05:33,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f7e457a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:33, skipping insertion in model container [2020-10-24 15:05:33,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:33" (1/1) ... [2020-10-24 15:05:33,383 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:05:33,405 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:05:33,642 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:33,653 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:05:33,731 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:33,758 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:05:33,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:33 WrapperNode [2020-10-24 15:05:33,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:33,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:33,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:05:33,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:05:33,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:33" (1/1) ... [2020-10-24 15:05:33,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:33" (1/1) ... [2020-10-24 15:05:33,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:33,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 15:05:33,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 15:05:33,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 15:05:33,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:33" (1/1) ... [2020-10-24 15:05:33,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:33" (1/1) ... [2020-10-24 15:05:33,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:33" (1/1) ... [2020-10-24 15:05:33,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:33" (1/1) ... [2020-10-24 15:05:33,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:33" (1/1) ... [2020-10-24 15:05:33,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:33" (1/1) ... [2020-10-24 15:05:33,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:33" (1/1) ... [2020-10-24 15:05:33,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 15:05:33,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 15:05:33,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 15:05:33,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 15:05:33,929 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:33" (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 15:05:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 15:05:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 15:05:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 15:05:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 15:05:34,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 15:05:34,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 15:05:34,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 15:05:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 15:05:34,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 15:05:34,971 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 15:05:34,971 INFO L298 CfgBuilder]: Removed 32 assume(true) statements. [2020-10-24 15:05:34,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:34 BoogieIcfgContainer [2020-10-24 15:05:34,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 15:05:34,978 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 15:05:34,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 15:05:34,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 15:05:34,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 03:05:33" (1/3) ... [2020-10-24 15:05:34,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c4b7b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:05:34, skipping insertion in model container [2020-10-24 15:05:34,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:33" (2/3) ... [2020-10-24 15:05:34,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43c4b7b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 03:05:34, skipping insertion in model container [2020-10-24 15:05:34,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:34" (3/3) ... [2020-10-24 15:05:34,992 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1210.c [2020-10-24 15:05:35,012 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 15:05:35,020 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 15:05:35,038 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 15:05:35,071 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 15:05:35,072 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 15:05:35,072 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 15:05:35,072 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 15:05:35,072 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 15:05:35,072 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 15:05:35,073 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 15:05:35,073 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 15:05:35,090 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2020-10-24 15:05:35,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-24 15:05:35,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:05:35,098 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:05:35,099 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:05:35,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:05:35,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1560975081, now seen corresponding path program 1 times [2020-10-24 15:05:35,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:05:35,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534264104] [2020-10-24 15:05:35,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:05:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:05:35,278 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 15:05:35,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534264104] [2020-10-24 15:05:35,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:05:35,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 15:05:35,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150606923] [2020-10-24 15:05:35,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 15:05:35,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:05:35,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 15:05:35,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 15:05:35,304 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2020-10-24 15:05:35,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:05:35,328 INFO L93 Difference]: Finished difference Result 87 states and 139 transitions. [2020-10-24 15:05:35,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 15:05:35,329 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-10-24 15:05:35,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:05:35,341 INFO L225 Difference]: With dead ends: 87 [2020-10-24 15:05:35,341 INFO L226 Difference]: Without dead ends: 41 [2020-10-24 15:05:35,344 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 15:05:35,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-24 15:05:35,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-24 15:05:35,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-24 15:05:35,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2020-10-24 15:05:35,393 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 13 [2020-10-24 15:05:35,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:05:35,393 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2020-10-24 15:05:35,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 15:05:35,393 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2020-10-24 15:05:35,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-24 15:05:35,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:05:35,394 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:05:35,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 15:05:35,395 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:05:35,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:05:35,402 INFO L82 PathProgramCache]: Analyzing trace with hash -11965906, now seen corresponding path program 1 times [2020-10-24 15:05:35,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:05:35,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130901627] [2020-10-24 15:05:35,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:05:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 15:05:35,585 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 15:05:35,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130901627] [2020-10-24 15:05:35,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 15:05:35,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-24 15:05:35,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963603661] [2020-10-24 15:05:35,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-24 15:05:35,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 15:05:35,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-24 15:05:35,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 15:05:35,590 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand 3 states. [2020-10-24 15:05:35,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 15:05:35,619 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2020-10-24 15:05:35,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-24 15:05:35,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-10-24 15:05:35,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 15:05:35,622 INFO L225 Difference]: With dead ends: 44 [2020-10-24 15:05:35,622 INFO L226 Difference]: Without dead ends: 41 [2020-10-24 15:05:35,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-24 15:05:35,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-24 15:05:35,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-24 15:05:35,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-24 15:05:35,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2020-10-24 15:05:35,631 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 15 [2020-10-24 15:05:35,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 15:05:35,631 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2020-10-24 15:05:35,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-24 15:05:35,632 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2020-10-24 15:05:35,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-24 15:05:35,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 15:05:35,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 15:05:35,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 15:05:35,634 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 15:05:35,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 15:05:35,635 INFO L82 PathProgramCache]: Analyzing trace with hash -371067880, now seen corresponding path program 1 times [2020-10-24 15:05:35,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 15:05:35,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493317360] [2020-10-24 15:05:35,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 15:05:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:05:35,689 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:05:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 15:05:35,793 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 15:05:35,859 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 15:05:35,860 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 15:05:35,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 15:05:35,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 03:05:35 BoogieIcfgContainer [2020-10-24 15:05:35,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 15:05:35,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 15:05:35,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 15:05:35,943 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 15:05:35,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 03:05:34" (3/4) ... [2020-10-24 15:05:35,948 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 15:05:35,949 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 15:05:35,954 INFO L168 Benchmark]: Toolchain (without parser) took 2594.57 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 19.5 MB in the beginning and 37.2 MB in the end (delta: -17.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:35,955 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 41.9 MB. Free memory was 29.4 MB in the beginning and 29.4 MB in the end (delta: 37.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:35,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 395.89 ms. Allocated memory is still 41.9 MB. Free memory was 18.9 MB in the beginning and 20.5 MB in the end (delta: -1.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:35,966 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.79 ms. Allocated memory is still 41.9 MB. Free memory was 20.5 MB in the beginning and 18.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:35,968 INFO L168 Benchmark]: Boogie Preprocessor took 62.27 ms. Allocated memory is still 41.9 MB. Free memory was 18.2 MB in the beginning and 16.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:35,969 INFO L168 Benchmark]: RCFGBuilder took 1046.83 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 16.2 MB in the beginning and 24.3 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:35,972 INFO L168 Benchmark]: TraceAbstraction took 962.52 ms. Allocated memory is still 54.5 MB. Free memory was 23.9 MB in the beginning and 37.5 MB in the end (delta: -13.7 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:35,976 INFO L168 Benchmark]: Witness Printer took 7.34 ms. Allocated memory is still 54.5 MB. Free memory was 37.5 MB in the beginning and 37.2 MB in the end (delta: 314.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:35,985 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 41.9 MB. Free memory was 29.4 MB in the beginning and 29.4 MB in the end (delta: 37.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 395.89 ms. Allocated memory is still 41.9 MB. Free memory was 18.9 MB in the beginning and 20.5 MB in the end (delta: -1.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 100.79 ms. Allocated memory is still 41.9 MB. Free memory was 20.5 MB in the beginning and 18.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.27 ms. Allocated memory is still 41.9 MB. Free memory was 18.2 MB in the beginning and 16.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1046.83 ms. Allocated memory was 41.9 MB in the beginning and 54.5 MB in the end (delta: 12.6 MB). Free memory was 16.2 MB in the beginning and 24.3 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 962.52 ms. Allocated memory is still 54.5 MB. Free memory was 23.9 MB in the beginning and 37.5 MB in the end (delta: -13.7 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Witness Printer took 7.34 ms. Allocated memory is still 54.5 MB. Free memory was 37.5 MB in the beginning and 37.2 MB in the end (delta: 314.0 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 someBinaryArithmeticDOUBLE_SMToperation at line 118, overapproximation of someBinaryDOUBLE_SMTComparisonOperation at line 17, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L19] static const double one_modf = 1.0; VAL [one_modf=1] [L118] double x = 0.0 / 0.0; [L119] double iptr; [L22] __int32_t i0, i1, j0; [L23] __uint32_t i; VAL [one_modf=1] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [one_modf=1] [L31] COND TRUE j0 < 20 VAL [one_modf=1] [L32] COND TRUE j0 < 0 VAL [one_modf=1] [L34] ieee_double_shape_type iw_u; [L35] iw_u.parts.msw = (i0 & 0x80000000) [L36] iw_u.parts.lsw = (0) [L37] EXPR iw_u.value [L37] (*iptr) = iw_u.value [L39] return x; VAL [one_modf=1] [L120] double res = modf_double(x, &iptr); [L123] EXPR \read(iptr) [L17] return x != x; VAL [one_modf=1] [L123] isnan_double(iptr) && !isnan_double(res) [L17] return x != x; VAL [one_modf=1] [L123] isnan_double(iptr) && !isnan_double(res) VAL [one_modf=1] [L123] COND TRUE isnan_double(iptr) && !isnan_double(res) [L3] __assert_fail("0", "double_req_bl_1210.c", 3, "reach_error") VAL [one_modf=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 95 SDtfs, 0 SDslu, 40 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 26 ConstructedInterpolants, 0 QuantifiedInterpolants, 354 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 15:05:38,566 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-10-24 15:05:38,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 15:05:38,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 15:05:38,681 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 15:05:38,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 15:05:38,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 15:05:38,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 15:05:38,687 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 15:05:38,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 15:05:38,688 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 15:05:38,689 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 15:05:38,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 15:05:38,693 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 15:05:38,744 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 15:05:38,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 15:05:38,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 15:05:38,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 15:05:38,747 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 15:05:38,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 15:05:38,747 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 15:05:38,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 15:05:38,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 15:05:38,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 15:05:38,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 15:05:38,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 15:05:38,749 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 15:05:38,749 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 15:05:38,749 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 15:05:38,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 15:05:38,750 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 15:05:38,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 15:05:38,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 15:05:38,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 15:05:38,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 15:05:38,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 15:05:38,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 15:05:38,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 15:05:38,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 15:05:38,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 15:05:38,752 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 15:05:38,752 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 15:05:38,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 15:05:38,753 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 15:05:38,753 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 15:05:38,753 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85e5b86abce931d95696fba33e25199d528f9f0e [2020-10-24 15:05:39,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 15:05:39,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 15:05:39,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 15:05:39,187 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 15:05:39,188 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 15:05:39,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2020-10-24 15:05:39,284 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db97dc980/44057b4abe8242909fd2ad858913fee3/FLAG79265ffae [2020-10-24 15:05:40,066 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 15:05:40,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1210.c [2020-10-24 15:05:40,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db97dc980/44057b4abe8242909fd2ad858913fee3/FLAG79265ffae [2020-10-24 15:05:40,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/db97dc980/44057b4abe8242909fd2ad858913fee3 [2020-10-24 15:05:40,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 15:05:40,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 15:05:40,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:40,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 15:05:40,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 15:05:40,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:40" (1/1) ... [2020-10-24 15:05:40,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62272478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:40, skipping insertion in model container [2020-10-24 15:05:40,405 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 03:05:40" (1/1) ... [2020-10-24 15:05:40,414 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 15:05:40,439 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-10-24 15:05:40,672 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:40,698 INFO L212 MainTranslator]: Completed pre-run [2020-10-24 15:05:40,746 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-10-24 15:05:40,776 INFO L217 MainTranslator]: Completed translation [2020-10-24 15:05:40,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:40 WrapperNode [2020-10-24 15:05:40,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 15:05:40,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 15:05:40,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 15:05:40,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 15:05:40,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 03:05:40" (1/1) ... [2020-10-24 15:05:40,802 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:05:40,803 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-10-24 15:05:40,806 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 15:05:40,810 INFO L168 Benchmark]: Toolchain (without parser) took 424.24 ms. Allocated memory is still 52.4 MB. Free memory was 29.1 MB in the beginning and 27.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:40,811 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 37.7 MB. Free memory was 23.6 MB in the beginning and 23.6 MB in the end (delta: 17.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:40,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.25 ms. Allocated memory is still 52.4 MB. Free memory was 28.4 MB in the beginning and 28.8 MB in the end (delta: -366.3 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 15:05:40,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.46 ms. Allocated memory is still 52.4 MB. Free memory was 28.8 MB in the beginning and 27.9 MB in the end (delta: 944.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 15:05:40,816 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 37.7 MB. Free memory was 23.6 MB in the beginning and 23.6 MB in the end (delta: 17.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 382.25 ms. Allocated memory is still 52.4 MB. Free memory was 28.4 MB in the beginning and 28.8 MB in the end (delta: -366.3 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.46 ms. Allocated memory is still 52.4 MB. Free memory was 28.8 MB in the beginning and 27.9 MB in the end (delta: 944.8 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...