./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0470.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0470.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d187cecab1a284a27f7c64e71455cab847eaa514 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0470.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d187cecab1a284a27f7c64e71455cab847eaa514 ................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:34:11,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:34:11,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:34:11,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:34:11,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:34:11,870 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:34:11,872 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:34:11,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:34:11,889 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:34:11,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:34:11,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:34:11,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:34:11,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:34:11,901 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:34:11,903 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:34:11,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:34:11,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:34:11,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:34:11,910 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:34:11,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:34:11,919 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:34:11,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:34:11,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:34:11,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:34:11,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:34:11,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:34:11,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:34:11,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:34:11,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:34:11,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:34:11,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:34:11,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:34:11,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:34:11,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:34:11,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:34:11,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:34:11,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:34:11,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:34:11,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:34:11,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:34:11,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:34:11,944 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:34:11,985 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:34:11,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:34:11,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:34:11,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:34:11,990 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:34:11,991 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:34:11,991 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:34:11,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:34:11,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:34:11,992 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:34:11,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:34:11,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:34:11,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:34:11,994 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:34:11,994 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:34:11,996 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:34:11,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:34:11,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:34:11,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:34:11,997 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:34:11,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:34:11,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:34:11,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:34:11,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:34:11,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:34:12,000 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:34:12,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:34:12,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:34:12,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:34:12,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/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(__VERIFIER_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 -> d187cecab1a284a27f7c64e71455cab847eaa514 [2020-07-28 17:34:12,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:34:12,344 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:34:12,347 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:34:12,349 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:34:12,350 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:34:12,350 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2020-07-28 17:34:12,413 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39077bee8/0a6959069a6447f69e0578541db03114/FLAGe37e6efe3 [2020-07-28 17:34:12,842 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:34:12,843 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2020-07-28 17:34:12,852 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39077bee8/0a6959069a6447f69e0578541db03114/FLAGe37e6efe3 [2020-07-28 17:34:13,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39077bee8/0a6959069a6447f69e0578541db03114 [2020-07-28 17:34:13,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:34:13,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:34:13,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:34:13,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:34:13,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:34:13,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:34:13" (1/1) ... [2020-07-28 17:34:13,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c28b4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:13, skipping insertion in model container [2020-07-28 17:34:13,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:34:13" (1/1) ... [2020-07-28 17:34:13,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:34:13,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:34:13,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:34:13,580 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:34:13,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:34:13,750 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:34:13,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:13 WrapperNode [2020-07-28 17:34:13,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:34:13,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:34:13,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:34:13,753 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:34:13,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:13" (1/1) ... [2020-07-28 17:34:13,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:13" (1/1) ... [2020-07-28 17:34:13,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:34:13,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:34:13,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:34:13,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:34:13,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:13" (1/1) ... [2020-07-28 17:34:13,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:13" (1/1) ... [2020-07-28 17:34:13,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:13" (1/1) ... [2020-07-28 17:34:13,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:13" (1/1) ... [2020-07-28 17:34:13,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:13" (1/1) ... [2020-07-28 17:34:13,913 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:13" (1/1) ... [2020-07-28 17:34:13,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:13" (1/1) ... [2020-07-28 17:34:13,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:34:13,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:34:13,926 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:34:13,926 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:34:13,927 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-28 17:34:13,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:34:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-28 17:34:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-28 17:34:14,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-28 17:34:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:34:14,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:34:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-28 17:34:14,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:34:15,035 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:34:15,035 INFO L295 CfgBuilder]: Removed 34 assume(true) statements. [2020-07-28 17:34:15,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:34:15 BoogieIcfgContainer [2020-07-28 17:34:15,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:34:15,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:34:15,043 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:34:15,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:34:15,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:34:13" (1/3) ... [2020-07-28 17:34:15,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198c9984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:34:15, skipping insertion in model container [2020-07-28 17:34:15,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:13" (2/3) ... [2020-07-28 17:34:15,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@198c9984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:34:15, skipping insertion in model container [2020-07-28 17:34:15,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:34:15" (3/3) ... [2020-07-28 17:34:15,051 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0470.c [2020-07-28 17:34:15,062 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:34:15,070 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:34:15,083 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:34:15,107 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:34:15,108 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:34:15,108 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:34:15,108 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:34:15,109 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:34:15,109 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:34:15,109 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:34:15,110 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:34:15,129 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2020-07-28 17:34:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:34:15,136 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:34:15,137 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:34:15,137 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:34:15,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:34:15,143 INFO L82 PathProgramCache]: Analyzing trace with hash 2057048347, now seen corresponding path program 1 times [2020-07-28 17:34:15,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:34:15,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678419618] [2020-07-28 17:34:15,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:34:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:34:15,302 INFO L280 TraceCheckUtils]: 0: Hoare triple {107#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~one_sqrt~0 := 1.0;~tiny_sqrt~0 := 1.0E-300;~one_acos~0 := 1.0;~pi~0 := 3.141592653589793;~pio2_hi_acos~0 := 1.5707963267948966;~pio2_lo_acos~0 := 6.123233995736766E-17;~pS0_acos~0 := 0.16666666666666666;~pS1_acos~0 := ~someUnaryDOUBLEoperation(0.3255658186224009);~pS2_acos~0 := 0.20121253213486293;~pS3_acos~0 := ~someUnaryDOUBLEoperation(0.04005553450067941);~pS4_acos~0 := 7.915349942898145E-4;~pS5_acos~0 := 3.479331075960212E-5;~qS1_acos~0 := ~someUnaryDOUBLEoperation(2.403394911734414);~qS2_acos~0 := 2.0209457602335057;~qS3_acos~0 := ~someUnaryDOUBLEoperation(0.6882839716054533);~qS4_acos~0 := 0.07703815055590194; {107#true} is VALID [2020-07-28 17:34:15,303 INFO L280 TraceCheckUtils]: 1: Hoare triple {107#true} havoc main_#res;havoc main_#t~ret15, main_#t~ret16, main_~x~0, main_~res~0;main_~x~0 := ~someBinaryArithmeticDOUBLEoperation(0.0, 0.0);__ieee754_acos_#in~x := main_~x~0;havoc __ieee754_acos_#res;havoc __ieee754_acos_#t~mem7, __ieee754_acos_#t~union8, __ieee754_acos_~#gh_u~0.base, __ieee754_acos_~#gh_u~0.offset, __ieee754_acos_#t~mem9, __ieee754_acos_#t~union10, __ieee754_acos_~#gl_u~0.base, __ieee754_acos_~#gl_u~0.offset, __ieee754_acos_~lx~0, __ieee754_acos_#t~ret11, __ieee754_acos_#t~ret12, __ieee754_acos_#t~mem13, __ieee754_acos_#t~union14.lsw, __ieee754_acos_#t~union14.msw, __ieee754_acos_~#sl_u~0.base, __ieee754_acos_~#sl_u~0.offset, __ieee754_acos_~x, __ieee754_acos_~z~1, __ieee754_acos_~p~0, __ieee754_acos_~q~1, __ieee754_acos_~r~1, __ieee754_acos_~w~0, __ieee754_acos_~s~0, __ieee754_acos_~c~0, __ieee754_acos_~df~0, __ieee754_acos_~hx~0, __ieee754_acos_~ix~0;__ieee754_acos_~x := __ieee754_acos_#in~x;havoc __ieee754_acos_~z~1;havoc __ieee754_acos_~p~0;havoc __ieee754_acos_~q~1;havoc __ieee754_acos_~r~1;havoc __ieee754_acos_~w~0;havoc __ieee754_acos_~s~0;havoc __ieee754_acos_~c~0;havoc __ieee754_acos_~df~0;havoc __ieee754_acos_~hx~0;havoc __ieee754_acos_~ix~0; {107#true} is VALID [2020-07-28 17:34:15,304 INFO L280 TraceCheckUtils]: 2: Hoare triple {107#true} assume !true; {108#false} is VALID [2020-07-28 17:34:15,305 INFO L280 TraceCheckUtils]: 3: Hoare triple {108#false} __ieee754_acos_~ix~0 := ~bitwiseAnd(__ieee754_acos_~hx~0, 2147483647); {108#false} is VALID [2020-07-28 17:34:15,305 INFO L280 TraceCheckUtils]: 4: Hoare triple {108#false} assume __ieee754_acos_~ix~0 >= 1072693248;havoc __ieee754_acos_~lx~0; {108#false} is VALID [2020-07-28 17:34:15,306 INFO L280 TraceCheckUtils]: 5: Hoare triple {108#false} assume !true; {108#false} is VALID [2020-07-28 17:34:15,306 INFO L280 TraceCheckUtils]: 6: Hoare triple {108#false} assume !(0 == ~bitwiseOr(__ieee754_acos_~ix~0 - 1072693248, __ieee754_acos_~lx~0) % 4294967296);__ieee754_acos_#res := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(__ieee754_acos_~x, __ieee754_acos_~x), ~someBinaryArithmeticDOUBLEoperation(__ieee754_acos_~x, __ieee754_acos_~x)); {108#false} is VALID [2020-07-28 17:34:15,307 INFO L280 TraceCheckUtils]: 7: Hoare triple {108#false} main_#t~ret15 := __ieee754_acos_#res;main_~res~0 := main_#t~ret15;havoc main_#t~ret15;isnan_double_#in~x := main_~res~0;havoc isnan_double_#res;havoc isnan_double_~x;isnan_double_~x := isnan_double_#in~x;isnan_double_#res := (if ~someBinaryDOUBLEComparisonOperation(isnan_double_~x, isnan_double_~x) then 1 else 0); {108#false} is VALID [2020-07-28 17:34:15,307 INFO L280 TraceCheckUtils]: 8: Hoare triple {108#false} main_#t~ret16 := isnan_double_#res;assume -2147483648 <= main_#t~ret16 && main_#t~ret16 <= 2147483647; {108#false} is VALID [2020-07-28 17:34:15,307 INFO L280 TraceCheckUtils]: 9: Hoare triple {108#false} assume 0 == main_#t~ret16;havoc main_#t~ret16; {108#false} is VALID [2020-07-28 17:34:15,308 INFO L280 TraceCheckUtils]: 10: Hoare triple {108#false} assume !false; {108#false} is VALID [2020-07-28 17:34:15,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:34:15,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678419618] [2020-07-28 17:34:15,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:34:15,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:34:15,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087404444] [2020-07-28 17:34:15,318 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:34:15,320 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:34:15,324 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:34:15,354 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:34:15,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:34:15,355 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:34:15,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:34:15,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:34:15,368 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 2 states. [2020-07-28 17:34:15,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:34:15,638 INFO L93 Difference]: Finished difference Result 206 states and 342 transitions. [2020-07-28 17:34:15,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:34:15,638 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:34:15,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:34:15,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:34:15,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 342 transitions. [2020-07-28 17:34:15,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:34:15,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 342 transitions. [2020-07-28 17:34:15,660 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 342 transitions. [2020-07-28 17:34:16,175 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 342 edges. 342 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:34:16,193 INFO L225 Difference]: With dead ends: 206 [2020-07-28 17:34:16,194 INFO L226 Difference]: Without dead ends: 101 [2020-07-28 17:34:16,198 INFO L675 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 [2020-07-28 17:34:16,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-07-28 17:34:16,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2020-07-28 17:34:16,253 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:34:16,253 INFO L82 GeneralOperation]: Start isEquivalent. First operand 101 states. Second operand 101 states. [2020-07-28 17:34:16,254 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 101 states. [2020-07-28 17:34:16,255 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 101 states. [2020-07-28 17:34:16,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:34:16,263 INFO L93 Difference]: Finished difference Result 101 states and 146 transitions. [2020-07-28 17:34:16,264 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2020-07-28 17:34:16,266 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:34:16,266 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:34:16,266 INFO L74 IsIncluded]: Start isIncluded. First operand 101 states. Second operand 101 states. [2020-07-28 17:34:16,267 INFO L87 Difference]: Start difference. First operand 101 states. Second operand 101 states. [2020-07-28 17:34:16,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:34:16,275 INFO L93 Difference]: Finished difference Result 101 states and 146 transitions. [2020-07-28 17:34:16,275 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2020-07-28 17:34:16,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:34:16,277 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:34:16,278 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:34:16,278 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:34:16,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-28 17:34:16,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 146 transitions. [2020-07-28 17:34:16,287 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 146 transitions. Word has length 11 [2020-07-28 17:34:16,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:34:16,287 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 146 transitions. [2020-07-28 17:34:16,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:34:16,288 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 146 transitions. [2020-07-28 17:34:16,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-07-28 17:34:16,289 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:34:16,289 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:34:16,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:34:16,290 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:34:16,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:34:16,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1327291576, now seen corresponding path program 1 times [2020-07-28 17:34:16,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:34:16,292 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181419824] [2020-07-28 17:34:16,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:34:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:34:16,353 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:34:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:34:16,401 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:34:16,436 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 17:34:16,436 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:34:16,437 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:34:16,482 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:34:16,482 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:34:16,482 WARN L170 areAnnotationChecker]: L149-2 has no Hoare annotation [2020-07-28 17:34:16,482 WARN L170 areAnnotationChecker]: L149-2 has no Hoare annotation [2020-07-28 17:34:16,483 WARN L170 areAnnotationChecker]: L149-1 has no Hoare annotation [2020-07-28 17:34:16,483 WARN L170 areAnnotationChecker]: L149-1 has no Hoare annotation [2020-07-28 17:34:16,483 WARN L170 areAnnotationChecker]: L149-3 has no Hoare annotation [2020-07-28 17:34:16,483 WARN L170 areAnnotationChecker]: L155 has no Hoare annotation [2020-07-28 17:34:16,483 WARN L170 areAnnotationChecker]: L155 has no Hoare annotation [2020-07-28 17:34:16,483 WARN L170 areAnnotationChecker]: L157-2 has no Hoare annotation [2020-07-28 17:34:16,484 WARN L170 areAnnotationChecker]: L157-2 has no Hoare annotation [2020-07-28 17:34:16,484 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-28 17:34:16,484 WARN L170 areAnnotationChecker]: L170 has no Hoare annotation [2020-07-28 17:34:16,484 WARN L170 areAnnotationChecker]: L157-1 has no Hoare annotation [2020-07-28 17:34:16,484 WARN L170 areAnnotationChecker]: L157-1 has no Hoare annotation [2020-07-28 17:34:16,484 WARN L170 areAnnotationChecker]: L157-3 has no Hoare annotation [2020-07-28 17:34:16,485 WARN L170 areAnnotationChecker]: L157-3 has no Hoare annotation [2020-07-28 17:34:16,485 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2020-07-28 17:34:16,485 WARN L170 areAnnotationChecker]: L171 has no Hoare annotation [2020-07-28 17:34:16,485 WARN L170 areAnnotationChecker]: L182 has no Hoare annotation [2020-07-28 17:34:16,485 WARN L170 areAnnotationChecker]: L182 has no Hoare annotation [2020-07-28 17:34:16,486 WARN L170 areAnnotationChecker]: L163 has no Hoare annotation [2020-07-28 17:34:16,486 WARN L170 areAnnotationChecker]: L163 has no Hoare annotation [2020-07-28 17:34:16,486 WARN L170 areAnnotationChecker]: L213 has no Hoare annotation [2020-07-28 17:34:16,486 WARN L170 areAnnotationChecker]: L27-2 has no Hoare annotation [2020-07-28 17:34:16,486 WARN L170 areAnnotationChecker]: L27-2 has no Hoare annotation [2020-07-28 17:34:16,487 WARN L170 areAnnotationChecker]: L27-6 has no Hoare annotation [2020-07-28 17:34:16,487 WARN L170 areAnnotationChecker]: L27-6 has no Hoare annotation [2020-07-28 17:34:16,487 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-28 17:34:16,487 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-28 17:34:16,488 WARN L170 areAnnotationChecker]: L27-1 has no Hoare annotation [2020-07-28 17:34:16,488 WARN L170 areAnnotationChecker]: L27-3 has no Hoare annotation [2020-07-28 17:34:16,488 WARN L170 areAnnotationChecker]: L27-3 has no Hoare annotation [2020-07-28 17:34:16,488 WARN L170 areAnnotationChecker]: L27-5 has no Hoare annotation [2020-07-28 17:34:16,488 WARN L170 areAnnotationChecker]: L27-5 has no Hoare annotation [2020-07-28 17:34:16,489 WARN L170 areAnnotationChecker]: L27-7 has no Hoare annotation [2020-07-28 17:34:16,489 WARN L170 areAnnotationChecker]: L27-7 has no Hoare annotation [2020-07-28 17:34:16,489 WARN L170 areAnnotationChecker]: L228 has no Hoare annotation [2020-07-28 17:34:16,489 WARN L170 areAnnotationChecker]: L228 has no Hoare annotation [2020-07-28 17:34:16,490 WARN L170 areAnnotationChecker]: L128 has no Hoare annotation [2020-07-28 17:34:16,490 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 17:34:16,490 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-28 17:34:16,490 WARN L170 areAnnotationChecker]: L128-1 has no Hoare annotation [2020-07-28 17:34:16,490 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2020-07-28 17:34:16,491 WARN L170 areAnnotationChecker]: L38-3 has no Hoare annotation [2020-07-28 17:34:16,491 WARN L170 areAnnotationChecker]: L229 has no Hoare annotation [2020-07-28 17:34:16,491 WARN L170 areAnnotationChecker]: L229 has no Hoare annotation [2020-07-28 17:34:16,491 WARN L170 areAnnotationChecker]: L233 has no Hoare annotation [2020-07-28 17:34:16,492 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-28 17:34:16,492 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-28 17:34:16,492 WARN L170 areAnnotationChecker]: L38-2 has no Hoare annotation [2020-07-28 17:34:16,492 WARN L170 areAnnotationChecker]: L198-2 has no Hoare annotation [2020-07-28 17:34:16,492 WARN L170 areAnnotationChecker]: L198-2 has no Hoare annotation [2020-07-28 17:34:16,493 WARN L170 areAnnotationChecker]: L39-1 has no Hoare annotation [2020-07-28 17:34:16,493 WARN L170 areAnnotationChecker]: L39-1 has no Hoare annotation [2020-07-28 17:34:16,493 WARN L170 areAnnotationChecker]: L38-5 has no Hoare annotation [2020-07-28 17:34:16,493 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:34:16,494 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2020-07-28 17:34:16,494 WARN L170 areAnnotationChecker]: L41 has no Hoare annotation [2020-07-28 17:34:16,494 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-28 17:34:16,494 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-28 17:34:16,494 WARN L170 areAnnotationChecker]: L198-1 has no Hoare annotation [2020-07-28 17:34:16,495 WARN L170 areAnnotationChecker]: L198-1 has no Hoare annotation [2020-07-28 17:34:16,495 WARN L170 areAnnotationChecker]: L198-3 has no Hoare annotation [2020-07-28 17:34:16,495 WARN L170 areAnnotationChecker]: L41-1 has no Hoare annotation [2020-07-28 17:34:16,495 WARN L170 areAnnotationChecker]: L41-1 has no Hoare annotation [2020-07-28 17:34:16,496 WARN L170 areAnnotationChecker]: L46-3 has no Hoare annotation [2020-07-28 17:34:16,496 WARN L170 areAnnotationChecker]: L46-3 has no Hoare annotation [2020-07-28 17:34:16,496 WARN L170 areAnnotationChecker]: L47-2 has no Hoare annotation [2020-07-28 17:34:16,496 WARN L170 areAnnotationChecker]: L47-2 has no Hoare annotation [2020-07-28 17:34:16,497 WARN L170 areAnnotationChecker]: L47-2 has no Hoare annotation [2020-07-28 17:34:16,497 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2020-07-28 17:34:16,497 WARN L170 areAnnotationChecker]: L47-6 has no Hoare annotation [2020-07-28 17:34:16,497 WARN L170 areAnnotationChecker]: L47-6 has no Hoare annotation [2020-07-28 17:34:16,497 WARN L170 areAnnotationChecker]: L47-6 has no Hoare annotation [2020-07-28 17:34:16,498 WARN L170 areAnnotationChecker]: L46-5 has no Hoare annotation [2020-07-28 17:34:16,498 WARN L170 areAnnotationChecker]: L47-3 has no Hoare annotation [2020-07-28 17:34:16,498 WARN L170 areAnnotationChecker]: L60 has no Hoare annotation [2020-07-28 17:34:16,498 WARN L170 areAnnotationChecker]: L60 has no Hoare annotation [2020-07-28 17:34:16,499 WARN L170 areAnnotationChecker]: L47-7 has no Hoare annotation [2020-07-28 17:34:16,499 WARN L170 areAnnotationChecker]: L60-3 has no Hoare annotation [2020-07-28 17:34:16,499 WARN L170 areAnnotationChecker]: L60-3 has no Hoare annotation [2020-07-28 17:34:16,499 WARN L170 areAnnotationChecker]: L52-3 has no Hoare annotation [2020-07-28 17:34:16,500 WARN L170 areAnnotationChecker]: L52-3 has no Hoare annotation [2020-07-28 17:34:16,500 WARN L170 areAnnotationChecker]: L52-3 has no Hoare annotation [2020-07-28 17:34:16,500 WARN L170 areAnnotationChecker]: L60-2 has no Hoare annotation [2020-07-28 17:34:16,500 WARN L170 areAnnotationChecker]: L52-8 has no Hoare annotation [2020-07-28 17:34:16,501 WARN L170 areAnnotationChecker]: L52-8 has no Hoare annotation [2020-07-28 17:34:16,501 WARN L170 areAnnotationChecker]: L52-8 has no Hoare annotation [2020-07-28 17:34:16,501 WARN L170 areAnnotationChecker]: L60-5 has no Hoare annotation [2020-07-28 17:34:16,501 WARN L170 areAnnotationChecker]: L52-4 has no Hoare annotation [2020-07-28 17:34:16,502 WARN L170 areAnnotationChecker]: L52-2 has no Hoare annotation [2020-07-28 17:34:16,502 WARN L170 areAnnotationChecker]: L71-2 has no Hoare annotation [2020-07-28 17:34:16,502 WARN L170 areAnnotationChecker]: L71-2 has no Hoare annotation [2020-07-28 17:34:16,502 WARN L170 areAnnotationChecker]: L71-2 has no Hoare annotation [2020-07-28 17:34:16,502 WARN L170 areAnnotationChecker]: L52-9 has no Hoare annotation [2020-07-28 17:34:16,503 WARN L170 areAnnotationChecker]: L52-7 has no Hoare annotation [2020-07-28 17:34:16,503 WARN L170 areAnnotationChecker]: L71-6 has no Hoare annotation [2020-07-28 17:34:16,503 WARN L170 areAnnotationChecker]: L71-6 has no Hoare annotation [2020-07-28 17:34:16,503 WARN L170 areAnnotationChecker]: L71-6 has no Hoare annotation [2020-07-28 17:34:16,504 WARN L170 areAnnotationChecker]: L71-3 has no Hoare annotation [2020-07-28 17:34:16,504 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 17:34:16,504 WARN L170 areAnnotationChecker]: L73 has no Hoare annotation [2020-07-28 17:34:16,504 WARN L170 areAnnotationChecker]: L71-7 has no Hoare annotation [2020-07-28 17:34:16,504 WARN L170 areAnnotationChecker]: L73-3 has no Hoare annotation [2020-07-28 17:34:16,505 WARN L170 areAnnotationChecker]: L73-3 has no Hoare annotation [2020-07-28 17:34:16,505 WARN L170 areAnnotationChecker]: L84-2 has no Hoare annotation [2020-07-28 17:34:16,505 WARN L170 areAnnotationChecker]: L84-2 has no Hoare annotation [2020-07-28 17:34:16,505 WARN L170 areAnnotationChecker]: L84-2 has no Hoare annotation [2020-07-28 17:34:16,505 WARN L170 areAnnotationChecker]: L73-2 has no Hoare annotation [2020-07-28 17:34:16,506 WARN L170 areAnnotationChecker]: L84-6 has no Hoare annotation [2020-07-28 17:34:16,506 WARN L170 areAnnotationChecker]: L84-6 has no Hoare annotation [2020-07-28 17:34:16,506 WARN L170 areAnnotationChecker]: L84-6 has no Hoare annotation [2020-07-28 17:34:16,506 WARN L170 areAnnotationChecker]: L73-5 has no Hoare annotation [2020-07-28 17:34:16,507 WARN L170 areAnnotationChecker]: L84-3 has no Hoare annotation [2020-07-28 17:34:16,507 WARN L170 areAnnotationChecker]: L84-3 has no Hoare annotation [2020-07-28 17:34:16,507 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-28 17:34:16,507 WARN L170 areAnnotationChecker]: L87 has no Hoare annotation [2020-07-28 17:34:16,508 WARN L170 areAnnotationChecker]: L84-7 has no Hoare annotation [2020-07-28 17:34:16,508 WARN L170 areAnnotationChecker]: L84-7 has no Hoare annotation [2020-07-28 17:34:16,508 WARN L170 areAnnotationChecker]: L87-3 has no Hoare annotation [2020-07-28 17:34:16,508 WARN L170 areAnnotationChecker]: L87-3 has no Hoare annotation [2020-07-28 17:34:16,509 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 17:34:16,509 WARN L170 areAnnotationChecker]: L104 has no Hoare annotation [2020-07-28 17:34:16,509 WARN L170 areAnnotationChecker]: L102 has no Hoare annotation [2020-07-28 17:34:16,509 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 17:34:16,509 WARN L170 areAnnotationChecker]: L89 has no Hoare annotation [2020-07-28 17:34:16,510 WARN L170 areAnnotationChecker]: L87-2 has no Hoare annotation [2020-07-28 17:34:16,510 WARN L170 areAnnotationChecker]: L104-2 has no Hoare annotation [2020-07-28 17:34:16,510 WARN L170 areAnnotationChecker]: L104-2 has no Hoare annotation [2020-07-28 17:34:16,510 WARN L170 areAnnotationChecker]: L102-1 has no Hoare annotation [2020-07-28 17:34:16,511 WARN L170 areAnnotationChecker]: L89-3 has no Hoare annotation [2020-07-28 17:34:16,511 WARN L170 areAnnotationChecker]: L89-3 has no Hoare annotation [2020-07-28 17:34:16,511 WARN L170 areAnnotationChecker]: L87-5 has no Hoare annotation [2020-07-28 17:34:16,511 WARN L170 areAnnotationChecker]: L106 has no Hoare annotation [2020-07-28 17:34:16,512 WARN L170 areAnnotationChecker]: L106 has no Hoare annotation [2020-07-28 17:34:16,512 WARN L170 areAnnotationChecker]: L119 has no Hoare annotation [2020-07-28 17:34:16,512 WARN L170 areAnnotationChecker]: L119 has no Hoare annotation [2020-07-28 17:34:16,512 WARN L170 areAnnotationChecker]: L89-2 has no Hoare annotation [2020-07-28 17:34:16,513 WARN L170 areAnnotationChecker]: L106-2 has no Hoare annotation [2020-07-28 17:34:16,513 WARN L170 areAnnotationChecker]: L106-2 has no Hoare annotation [2020-07-28 17:34:16,513 WARN L170 areAnnotationChecker]: L119-3 has no Hoare annotation [2020-07-28 17:34:16,513 WARN L170 areAnnotationChecker]: L119-3 has no Hoare annotation [2020-07-28 17:34:16,513 WARN L170 areAnnotationChecker]: L89-5 has no Hoare annotation [2020-07-28 17:34:16,514 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2020-07-28 17:34:16,514 WARN L170 areAnnotationChecker]: L109 has no Hoare annotation [2020-07-28 17:34:16,514 WARN L170 areAnnotationChecker]: L119-2 has no Hoare annotation [2020-07-28 17:34:16,514 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2020-07-28 17:34:16,515 WARN L170 areAnnotationChecker]: L92 has no Hoare annotation [2020-07-28 17:34:16,515 WARN L170 areAnnotationChecker]: L109-3 has no Hoare annotation [2020-07-28 17:34:16,515 WARN L170 areAnnotationChecker]: L109-3 has no Hoare annotation [2020-07-28 17:34:16,515 WARN L170 areAnnotationChecker]: L119-5 has no Hoare annotation [2020-07-28 17:34:16,516 WARN L170 areAnnotationChecker]: L92-3 has no Hoare annotation [2020-07-28 17:34:16,516 WARN L170 areAnnotationChecker]: L92-3 has no Hoare annotation [2020-07-28 17:34:16,516 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-28 17:34:16,516 WARN L170 areAnnotationChecker]: L110 has no Hoare annotation [2020-07-28 17:34:16,517 WARN L170 areAnnotationChecker]: L122-2 has no Hoare annotation [2020-07-28 17:34:16,517 WARN L170 areAnnotationChecker]: L122-2 has no Hoare annotation [2020-07-28 17:34:16,517 WARN L170 areAnnotationChecker]: L92-2 has no Hoare annotation [2020-07-28 17:34:16,517 WARN L170 areAnnotationChecker]: L110-3 has no Hoare annotation [2020-07-28 17:34:16,517 WARN L170 areAnnotationChecker]: L110-3 has no Hoare annotation [2020-07-28 17:34:16,518 WARN L170 areAnnotationChecker]: L122-6 has no Hoare annotation [2020-07-28 17:34:16,518 WARN L170 areAnnotationChecker]: L122-6 has no Hoare annotation [2020-07-28 17:34:16,518 WARN L170 areAnnotationChecker]: L92-5 has no Hoare annotation [2020-07-28 17:34:16,518 WARN L170 areAnnotationChecker]: L110-2 has no Hoare annotation [2020-07-28 17:34:16,518 WARN L170 areAnnotationChecker]: L122-1 has no Hoare annotation [2020-07-28 17:34:16,519 WARN L170 areAnnotationChecker]: L122-1 has no Hoare annotation [2020-07-28 17:34:16,519 WARN L170 areAnnotationChecker]: L122-3 has no Hoare annotation [2020-07-28 17:34:16,519 WARN L170 areAnnotationChecker]: L110-5 has no Hoare annotation [2020-07-28 17:34:16,519 WARN L170 areAnnotationChecker]: L122-5 has no Hoare annotation [2020-07-28 17:34:16,520 WARN L170 areAnnotationChecker]: L122-5 has no Hoare annotation [2020-07-28 17:34:16,520 WARN L170 areAnnotationChecker]: L122-7 has no Hoare annotation [2020-07-28 17:34:16,520 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:34:16,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:34:16 BoogieIcfgContainer [2020-07-28 17:34:16,527 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:34:16,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:34:16,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:34:16,528 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:34:16,528 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:34:15" (3/4) ... [2020-07-28 17:34:16,533 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-28 17:34:16,533 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:34:16,536 INFO L168 Benchmark]: Toolchain (without parser) took 3331.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 960.2 MB in the beginning and 859.8 MB in the end (delta: 100.4 MB). Peak memory consumption was 211.0 MB. Max. memory is 11.5 GB. [2020-07-28 17:34:16,537 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:34:16,538 INFO L168 Benchmark]: CACSL2BoogieTranslator took 544.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2020-07-28 17:34:16,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:34:16,540 INFO L168 Benchmark]: Boogie Preprocessor took 62.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:34:16,541 INFO L168 Benchmark]: RCFGBuilder took 1115.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 997.4 MB in the end (delta: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:34:16,542 INFO L168 Benchmark]: TraceAbstraction took 1483.88 ms. Allocated memory is still 1.1 GB. Free memory was 997.4 MB in the beginning and 859.8 MB in the end (delta: 137.6 MB). Peak memory consumption was 137.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:34:16,542 INFO L168 Benchmark]: Witness Printer took 5.92 ms. Allocated memory is still 1.1 GB. Free memory is still 859.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:34:16,547 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 544.44 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1115.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 997.4 MB in the end (delta: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1483.88 ms. Allocated memory is still 1.1 GB. Free memory was 997.4 MB in the beginning and 859.8 MB in the end (delta: 137.6 MB). Peak memory consumption was 137.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.92 ms. Allocated memory is still 1.1 GB. Free memory is still 859.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 229]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 136, overapproximation of someBinaryArithmeticDOUBLEoperation at line 172, overapproximation of bitwiseAnd at line 154, overapproximation of someBinaryDOUBLEComparisonOperation at line 17. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L131-L144] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L224] double x = 0.0 / 0.0; [L147] double z, p, q, r, w, s, c, df; [L148] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L150] ieee_double_shape_type gh_u; [L151] gh_u.value = (x) [L152] EXPR gh_u.parts.msw [L152] (hx) = gh_u.parts.msw [L154] ix = hx & 0x7fffffff VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L155] COND FALSE !(ix >= 0x3ff00000) VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L170] COND TRUE ix < 0x3fe00000 VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/500000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L171] COND TRUE ix <= 0x3c600000 [L172] return pio2_hi_acos + pio2_lo_acos; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pi=785398163397448279/250000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L225] double res = __ieee754_acos(x); [L17] return x != x; VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L228] COND TRUE !isnan_double(res) [L229] __VERIFIER_error() VAL [one_acos=1, one_sqrt=1, pi=785398163397448279/250000000000000000, pi=785398163397448279/500000000000000000, pi=612323399573676603587/10000000000000000000000000000000000000, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 104 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 149 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=104occurred 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 0.1.25-8bd4bc6 [2020-07-28 17:34:18,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:34:18,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:34:18,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:34:18,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:34:18,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:34:18,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:34:18,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:34:18,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:34:18,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:34:18,472 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:34:18,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:34:18,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:34:18,475 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:34:18,476 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:34:18,477 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:34:18,478 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:34:18,479 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:34:18,484 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:34:18,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:34:18,492 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:34:18,493 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:34:18,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:34:18,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:34:18,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:34:18,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:34:18,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:34:18,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:34:18,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:34:18,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:34:18,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:34:18,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:34:18,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:34:18,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:34:18,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:34:18,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:34:18,516 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:34:18,516 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:34:18,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:34:18,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:34:18,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:34:18,519 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:34:18,551 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:34:18,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:34:18,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:34:18,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:34:18,555 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:34:18,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:34:18,556 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:34:18,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:34:18,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:34:18,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:34:18,558 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:34:18,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:34:18,558 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:34:18,559 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:34:18,559 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:34:18,559 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:34:18,560 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:34:18,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:34:18,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:34:18,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:34:18,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:34:18,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:34:18,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:34:18,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:34:18,562 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:34:18,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:34:18,563 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:34:18,563 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:34:18,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:34:18,564 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:34:18,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:34:18,564 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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/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(__VERIFIER_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 -> d187cecab1a284a27f7c64e71455cab847eaa514 [2020-07-28 17:34:18,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:34:18,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:34:18,895 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:34:18,897 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:34:18,898 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:34:18,899 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2020-07-28 17:34:18,958 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a0b5cba7/76ad8a18435945c69a93579e1cdbffe5/FLAGfb7fb9a70 [2020-07-28 17:34:19,380 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:34:19,381 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0470.c [2020-07-28 17:34:19,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a0b5cba7/76ad8a18435945c69a93579e1cdbffe5/FLAGfb7fb9a70 [2020-07-28 17:34:19,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a0b5cba7/76ad8a18435945c69a93579e1cdbffe5 [2020-07-28 17:34:19,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:34:19,800 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:34:19,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:34:19,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:34:19,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:34:19,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:34:19" (1/1) ... [2020-07-28 17:34:19,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f648f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:19, skipping insertion in model container [2020-07-28 17:34:19,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:34:19" (1/1) ... [2020-07-28 17:34:19,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:34:19,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:34:20,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:34:20,126 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:34:20,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:34:20,387 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:34:20,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:20 WrapperNode [2020-07-28 17:34:20,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:34:20,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:34:20,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:34:20,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:34:20,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:20" (1/1) ... [2020-07-28 17:34:20,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:20" (1/1) ... [2020-07-28 17:34:20,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:34:20,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:34:20,491 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:34:20,491 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:34:20,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:20" (1/1) ... [2020-07-28 17:34:20,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:20" (1/1) ... [2020-07-28 17:34:20,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:20" (1/1) ... [2020-07-28 17:34:20,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:20" (1/1) ... [2020-07-28 17:34:20,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:20" (1/1) ... [2020-07-28 17:34:20,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:20" (1/1) ... [2020-07-28 17:34:20,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:20" (1/1) ... [2020-07-28 17:34:20,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:34:20,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:34:20,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:34:20,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:34:20,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-28 17:34:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-07-28 17:34:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-07-28 17:34:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-28 17:34:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-07-28 17:34:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:34:20,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:34:20,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-07-28 17:34:20,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-28 17:34:45,731 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:34:45,732 INFO L295 CfgBuilder]: Removed 34 assume(true) statements. [2020-07-28 17:34:45,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:34:45 BoogieIcfgContainer [2020-07-28 17:34:45,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:34:45,739 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:34:45,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:34:45,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:34:45,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:34:19" (1/3) ... [2020-07-28 17:34:45,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276ad35b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:34:45, skipping insertion in model container [2020-07-28 17:34:45,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:34:20" (2/3) ... [2020-07-28 17:34:45,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276ad35b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:34:45, skipping insertion in model container [2020-07-28 17:34:45,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:34:45" (3/3) ... [2020-07-28 17:34:45,748 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0470.c [2020-07-28 17:34:45,761 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:34:45,770 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:34:45,787 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:34:45,818 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:34:45,818 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:34:45,818 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:34:45,819 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:34:45,819 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:34:45,820 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:34:45,820 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:34:45,820 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:34:45,841 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states. [2020-07-28 17:34:45,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-07-28 17:34:45,849 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:34:45,851 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-28 17:34:45,851 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:34:45,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:34:45,859 INFO L82 PathProgramCache]: Analyzing trace with hash 2057048347, now seen corresponding path program 1 times [2020-07-28 17:34:45,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:34:45,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1280725702] [2020-07-28 17:34:45,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-07-28 17:34:46,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:34:46,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:34:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:34:46,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:34:46,931 INFO L280 TraceCheckUtils]: 0: Hoare triple {107#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0);~tiny_sqrt~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0E-300);~one_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0);~pi~0 := ~to_fp~DOUBLE(currentRoundingMode, 3.141592653589793);~pio2_hi_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.5707963267948966);~pio2_lo_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 6.123233995736766E-17);~pS0_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.16666666666666666);~pS1_acos~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.3255658186224009));~pS2_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.20121253213486293);~pS3_acos~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.04005553450067941));~pS4_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 7.915349942898145E-4);~pS5_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 3.479331075960212E-5);~qS1_acos~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.403394911734414));~qS2_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 2.0209457602335057);~qS3_acos~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.6882839716054533));~qS4_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.07703815055590194); {107#true} is VALID [2020-07-28 17:34:46,932 INFO L280 TraceCheckUtils]: 1: Hoare triple {107#true} havoc main_#res;havoc main_#t~ret15, main_#t~ret16, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~DOUBLE(), ~Pluszero~DOUBLE());__ieee754_acos_#in~x := main_~x~0;havoc __ieee754_acos_#res;havoc __ieee754_acos_#t~mem7, __ieee754_acos_#t~union8, __ieee754_acos_~#gh_u~0.base, __ieee754_acos_~#gh_u~0.offset, __ieee754_acos_#t~mem9, __ieee754_acos_#t~union10, __ieee754_acos_~#gl_u~0.base, __ieee754_acos_~#gl_u~0.offset, __ieee754_acos_~lx~0, __ieee754_acos_#t~ret11, __ieee754_acos_#t~ret12, __ieee754_acos_#t~mem13, __ieee754_acos_#t~union14.lsw, __ieee754_acos_#t~union14.msw, __ieee754_acos_~#sl_u~0.base, __ieee754_acos_~#sl_u~0.offset, __ieee754_acos_~x, __ieee754_acos_~z~1, __ieee754_acos_~p~0, __ieee754_acos_~q~1, __ieee754_acos_~r~1, __ieee754_acos_~w~0, __ieee754_acos_~s~0, __ieee754_acos_~c~0, __ieee754_acos_~df~0, __ieee754_acos_~hx~0, __ieee754_acos_~ix~0;__ieee754_acos_~x := __ieee754_acos_#in~x;havoc __ieee754_acos_~z~1;havoc __ieee754_acos_~p~0;havoc __ieee754_acos_~q~1;havoc __ieee754_acos_~r~1;havoc __ieee754_acos_~w~0;havoc __ieee754_acos_~s~0;havoc __ieee754_acos_~c~0;havoc __ieee754_acos_~df~0;havoc __ieee754_acos_~hx~0;havoc __ieee754_acos_~ix~0; {107#true} is VALID [2020-07-28 17:34:46,933 INFO L280 TraceCheckUtils]: 2: Hoare triple {107#true} assume !true; {108#false} is VALID [2020-07-28 17:34:46,934 INFO L280 TraceCheckUtils]: 3: Hoare triple {108#false} __ieee754_acos_~ix~0 := ~bvand32(2147483647bv32, __ieee754_acos_~hx~0); {108#false} is VALID [2020-07-28 17:34:46,934 INFO L280 TraceCheckUtils]: 4: Hoare triple {108#false} assume ~bvsge32(__ieee754_acos_~ix~0, 1072693248bv32);havoc __ieee754_acos_~lx~0; {108#false} is VALID [2020-07-28 17:34:46,934 INFO L280 TraceCheckUtils]: 5: Hoare triple {108#false} assume !true; {108#false} is VALID [2020-07-28 17:34:46,935 INFO L280 TraceCheckUtils]: 6: Hoare triple {108#false} assume !(0bv32 == ~bvor32(~bvsub32(__ieee754_acos_~ix~0, 1072693248bv32), __ieee754_acos_~lx~0));__ieee754_acos_#res := ~fp.div~DOUBLE(currentRoundingMode, ~fp.sub~DOUBLE(currentRoundingMode, __ieee754_acos_~x, __ieee754_acos_~x), ~fp.sub~DOUBLE(currentRoundingMode, __ieee754_acos_~x, __ieee754_acos_~x)); {108#false} is VALID [2020-07-28 17:34:46,935 INFO L280 TraceCheckUtils]: 7: Hoare triple {108#false} main_#t~ret15 := __ieee754_acos_#res;main_~res~0 := main_#t~ret15;havoc main_#t~ret15;isnan_double_#in~x := main_~res~0;havoc isnan_double_#res;havoc isnan_double_~x;isnan_double_~x := isnan_double_#in~x;isnan_double_#res := (if !~fp.eq~DOUBLE(isnan_double_~x, isnan_double_~x) then 1bv32 else 0bv32); {108#false} is VALID [2020-07-28 17:34:46,936 INFO L280 TraceCheckUtils]: 8: Hoare triple {108#false} main_#t~ret16 := isnan_double_#res; {108#false} is VALID [2020-07-28 17:34:46,936 INFO L280 TraceCheckUtils]: 9: Hoare triple {108#false} assume 0bv32 == main_#t~ret16;havoc main_#t~ret16; {108#false} is VALID [2020-07-28 17:34:46,936 INFO L280 TraceCheckUtils]: 10: Hoare triple {108#false} assume !false; {108#false} is VALID [2020-07-28 17:34:46,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:34:46,939 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:34:46,961 INFO L280 TraceCheckUtils]: 10: Hoare triple {108#false} assume !false; {108#false} is VALID [2020-07-28 17:34:46,962 INFO L280 TraceCheckUtils]: 9: Hoare triple {108#false} assume 0bv32 == main_#t~ret16;havoc main_#t~ret16; {108#false} is VALID [2020-07-28 17:34:46,965 INFO L280 TraceCheckUtils]: 8: Hoare triple {108#false} main_#t~ret16 := isnan_double_#res; {108#false} is VALID [2020-07-28 17:34:46,966 INFO L280 TraceCheckUtils]: 7: Hoare triple {108#false} main_#t~ret15 := __ieee754_acos_#res;main_~res~0 := main_#t~ret15;havoc main_#t~ret15;isnan_double_#in~x := main_~res~0;havoc isnan_double_#res;havoc isnan_double_~x;isnan_double_~x := isnan_double_#in~x;isnan_double_#res := (if !~fp.eq~DOUBLE(isnan_double_~x, isnan_double_~x) then 1bv32 else 0bv32); {108#false} is VALID [2020-07-28 17:34:46,966 INFO L280 TraceCheckUtils]: 6: Hoare triple {108#false} assume !(0bv32 == ~bvor32(~bvsub32(__ieee754_acos_~ix~0, 1072693248bv32), __ieee754_acos_~lx~0));__ieee754_acos_#res := ~fp.div~DOUBLE(currentRoundingMode, ~fp.sub~DOUBLE(currentRoundingMode, __ieee754_acos_~x, __ieee754_acos_~x), ~fp.sub~DOUBLE(currentRoundingMode, __ieee754_acos_~x, __ieee754_acos_~x)); {108#false} is VALID [2020-07-28 17:34:46,966 INFO L280 TraceCheckUtils]: 5: Hoare triple {108#false} assume !true; {108#false} is VALID [2020-07-28 17:34:46,967 INFO L280 TraceCheckUtils]: 4: Hoare triple {108#false} assume ~bvsge32(__ieee754_acos_~ix~0, 1072693248bv32);havoc __ieee754_acos_~lx~0; {108#false} is VALID [2020-07-28 17:34:46,969 INFO L280 TraceCheckUtils]: 3: Hoare triple {108#false} __ieee754_acos_~ix~0 := ~bvand32(2147483647bv32, __ieee754_acos_~hx~0); {108#false} is VALID [2020-07-28 17:34:46,971 INFO L280 TraceCheckUtils]: 2: Hoare triple {107#true} assume !true; {108#false} is VALID [2020-07-28 17:34:46,971 INFO L280 TraceCheckUtils]: 1: Hoare triple {107#true} havoc main_#res;havoc main_#t~ret15, main_#t~ret16, main_~x~0, main_~res~0;main_~x~0 := ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~DOUBLE(), ~Pluszero~DOUBLE());__ieee754_acos_#in~x := main_~x~0;havoc __ieee754_acos_#res;havoc __ieee754_acos_#t~mem7, __ieee754_acos_#t~union8, __ieee754_acos_~#gh_u~0.base, __ieee754_acos_~#gh_u~0.offset, __ieee754_acos_#t~mem9, __ieee754_acos_#t~union10, __ieee754_acos_~#gl_u~0.base, __ieee754_acos_~#gl_u~0.offset, __ieee754_acos_~lx~0, __ieee754_acos_#t~ret11, __ieee754_acos_#t~ret12, __ieee754_acos_#t~mem13, __ieee754_acos_#t~union14.lsw, __ieee754_acos_#t~union14.msw, __ieee754_acos_~#sl_u~0.base, __ieee754_acos_~#sl_u~0.offset, __ieee754_acos_~x, __ieee754_acos_~z~1, __ieee754_acos_~p~0, __ieee754_acos_~q~1, __ieee754_acos_~r~1, __ieee754_acos_~w~0, __ieee754_acos_~s~0, __ieee754_acos_~c~0, __ieee754_acos_~df~0, __ieee754_acos_~hx~0, __ieee754_acos_~ix~0;__ieee754_acos_~x := __ieee754_acos_#in~x;havoc __ieee754_acos_~z~1;havoc __ieee754_acos_~p~0;havoc __ieee754_acos_~q~1;havoc __ieee754_acos_~r~1;havoc __ieee754_acos_~w~0;havoc __ieee754_acos_~s~0;havoc __ieee754_acos_~c~0;havoc __ieee754_acos_~df~0;havoc __ieee754_acos_~hx~0;havoc __ieee754_acos_~ix~0; {107#true} is VALID [2020-07-28 17:34:46,972 INFO L280 TraceCheckUtils]: 0: Hoare triple {107#true} #NULL.base, #NULL.offset := 0bv32, 0bv32;#valid := #valid[0bv32 := 0bv1];assume ~bvult32(0bv32, #StackHeapBarrier);currentRoundingMode := ~roundNearestTiesToEven;~one_sqrt~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0);~tiny_sqrt~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0E-300);~one_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.0);~pi~0 := ~to_fp~DOUBLE(currentRoundingMode, 3.141592653589793);~pio2_hi_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 1.5707963267948966);~pio2_lo_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 6.123233995736766E-17);~pS0_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.16666666666666666);~pS1_acos~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.3255658186224009));~pS2_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.20121253213486293);~pS3_acos~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.04005553450067941));~pS4_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 7.915349942898145E-4);~pS5_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 3.479331075960212E-5);~qS1_acos~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.403394911734414));~qS2_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 2.0209457602335057);~qS3_acos~0 := ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.6882839716054533));~qS4_acos~0 := ~to_fp~DOUBLE(currentRoundingMode, 0.07703815055590194); {107#true} is VALID [2020-07-28 17:34:46,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:34:46,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1280725702] [2020-07-28 17:34:46,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:34:46,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:34:46,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374997197] [2020-07-28 17:34:46,987 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:34:46,992 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:34:46,997 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:34:48,069 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 11 edges. 11 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:34:48,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:34:48,069 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:34:48,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:34:48,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:34:48,079 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 2 states. [2020-07-28 17:35:13,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:35:13,948 INFO L93 Difference]: Finished difference Result 206 states and 342 transitions. [2020-07-28 17:35:13,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:35:13,948 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-07-28 17:35:13,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:35:13,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:35:13,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 342 transitions. [2020-07-28 17:35:13,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:35:13,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 342 transitions. [2020-07-28 17:35:13,975 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 342 transitions. [2020-07-28 17:35:42,811 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-07-28 17:35:43,012 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:35:43,014 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:221) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:131) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.push(ManagedScript.java:123) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertPrecondition(IncrementalHoareTripleChecker.java:290) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddPrecondition(IncrementalHoareTripleChecker.java:221) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.checkInductivity(InductivityCheck.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.InductivityCheck.(InductivityCheck.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.checkEnhancement(BasicCegarLoop.java:892) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:783) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:672) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:471) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) 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:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 31 more [2020-07-28 17:35:43,024 INFO L168 Benchmark]: Toolchain (without parser) took 83225.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.2 MB in the beginning and 904.0 MB in the end (delta: 52.2 MB). Peak memory consumption was 192.2 MB. Max. memory is 11.5 GB. [2020-07-28 17:35:43,025 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:35:43,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:35:43,027 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2020-07-28 17:35:43,028 INFO L168 Benchmark]: Boogie Preprocessor took 59.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2020-07-28 17:35:43,029 INFO L168 Benchmark]: RCFGBuilder took 25187.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.6 MB). Peak memory consumption was 88.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:35:43,030 INFO L168 Benchmark]: TraceAbstraction took 57282.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 904.0 MB in the end (delta: 120.0 MB). Peak memory consumption was 120.0 MB. Max. memory is 11.5 GB. [2020-07-28 17:35:43,037 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 587.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 25187.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 88.6 MB). Peak memory consumption was 88.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 57282.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 904.0 MB in the end (delta: 120.0 MB). Peak memory consumption was 120.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...