./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f6fb2bb1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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_1011a.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 84d0ee37d85bbc2c0fd59ce938796111cbf21a8f .............................................................................................................................................................................................................................................................................. 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 -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_1011a.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 84d0ee37d85bbc2c0fd59ce938796111cbf21a8f ....................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 18:47:01,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 18:47:01,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 18:47:01,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 18:47:01,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 18:47:01,717 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 18:47:01,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 18:47:01,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 18:47:01,738 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 18:47:01,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 18:47:01,743 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 18:47:01,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 18:47:01,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 18:47:01,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 18:47:01,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 18:47:01,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 18:47:01,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 18:47:01,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 18:47:01,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 18:47:01,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 18:47:01,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 18:47:01,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 18:47:01,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 18:47:01,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 18:47:01,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 18:47:01,788 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 18:47:01,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 18:47:01,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 18:47:01,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 18:47:01,792 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 18:47:01,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 18:47:01,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 18:47:01,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 18:47:01,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 18:47:01,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 18:47:01,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 18:47:01,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 18:47:01,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 18:47:01,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 18:47:01,804 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 18:47:01,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 18:47:01,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 18:47:01,847 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 18:47:01,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 18:47:01,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 18:47:01,853 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 18:47:01,854 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 18:47:01,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 18:47:01,854 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 18:47:01,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 18:47:01,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 18:47:01,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 18:47:01,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 18:47:01,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 18:47:01,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 18:47:01,859 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 18:47:01,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 18:47:01,860 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 18:47:01,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 18:47:01,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 18:47:01,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 18:47:01,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 18:47:01,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 18:47:01,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 18:47:01,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 18:47:01,863 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 18:47:01,863 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 18:47:01,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 18:47:01,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 18:47:01,864 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 18:47:01,865 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 -> 84d0ee37d85bbc2c0fd59ce938796111cbf21a8f [2019-11-19 18:47:02,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 18:47:02,227 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 18:47:02,235 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 18:47:02,237 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 18:47:02,237 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 18:47:02,240 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2019-11-19 18:47:02,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74393a35/24b0e382b5ea42bfb6177cc552382fbe/FLAG05899e00b [2019-11-19 18:47:02,859 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 18:47:02,859 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2019-11-19 18:47:02,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74393a35/24b0e382b5ea42bfb6177cc552382fbe/FLAG05899e00b [2019-11-19 18:47:03,263 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d74393a35/24b0e382b5ea42bfb6177cc552382fbe [2019-11-19 18:47:03,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 18:47:03,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 18:47:03,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 18:47:03,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 18:47:03,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 18:47:03,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:47:03" (1/1) ... [2019-11-19 18:47:03,282 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fcc7c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:03, skipping insertion in model container [2019-11-19 18:47:03,282 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:47:03" (1/1) ... [2019-11-19 18:47:03,291 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 18:47:03,314 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 18:47:03,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:47:03,613 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 18:47:03,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:47:03,772 INFO L192 MainTranslator]: Completed translation [2019-11-19 18:47:03,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:03 WrapperNode [2019-11-19 18:47:03,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 18:47:03,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 18:47:03,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 18:47:03,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 18:47:03,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:03" (1/1) ... [2019-11-19 18:47:03,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:03" (1/1) ... [2019-11-19 18:47:03,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 18:47:03,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 18:47:03,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 18:47:03,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 18:47:03,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:03" (1/1) ... [2019-11-19 18:47:03,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:03" (1/1) ... [2019-11-19 18:47:03,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:03" (1/1) ... [2019-11-19 18:47:03,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:03" (1/1) ... [2019-11-19 18:47:03,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:03" (1/1) ... [2019-11-19 18:47:03,894 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:03" (1/1) ... [2019-11-19 18:47:03,902 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:03" (1/1) ... [2019-11-19 18:47:03,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 18:47:03,910 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 18:47:03,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 18:47:03,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 18:47:03,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:03" (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 [2019-11-19 18:47:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-19 18:47:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-19 18:47:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-19 18:47:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 18:47:03,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 18:47:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-19 18:47:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 18:47:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 18:47:04,243 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 18:47:04,243 INFO L285 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-19 18:47:04,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:47:04 BoogieIcfgContainer [2019-11-19 18:47:04,245 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 18:47:04,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 18:47:04,247 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 18:47:04,251 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 18:47:04,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:47:03" (1/3) ... [2019-11-19 18:47:04,253 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c65c467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:47:04, skipping insertion in model container [2019-11-19 18:47:04,253 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:03" (2/3) ... [2019-11-19 18:47:04,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c65c467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:47:04, skipping insertion in model container [2019-11-19 18:47:04,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:47:04" (3/3) ... [2019-11-19 18:47:04,259 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2019-11-19 18:47:04,287 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 18:47:04,296 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 18:47:04,331 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 18:47:04,372 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 18:47:04,373 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 18:47:04,373 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 18:47:04,373 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 18:47:04,373 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 18:47:04,374 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 18:47:04,374 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 18:47:04,374 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 18:47:04,388 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-11-19 18:47:04,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 18:47:04,395 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:47:04,396 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:47:04,397 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:47:04,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:47:04,402 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2019-11-19 18:47:04,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:47:04,409 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064036156] [2019-11-19 18:47:04,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:47:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:47:04,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:47:04,514 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064036156] [2019-11-19 18:47:04,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:47:04,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 18:47:04,516 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072039233] [2019-11-19 18:47:04,519 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 18:47:04,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 18:47:04,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 18:47:04,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 18:47:04,533 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-11-19 18:47:04,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:47:04,548 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2019-11-19 18:47:04,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 18:47:04,550 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-19 18:47:04,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:47:04,559 INFO L225 Difference]: With dead ends: 36 [2019-11-19 18:47:04,559 INFO L226 Difference]: Without dead ends: 16 [2019-11-19 18:47:04,563 INFO L630 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 [2019-11-19 18:47:04,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-19 18:47:04,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-19 18:47:04,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-19 18:47:04,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-19 18:47:04,595 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2019-11-19 18:47:04,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:47:04,596 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-19 18:47:04,596 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 18:47:04,596 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-19 18:47:04,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 18:47:04,597 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:47:04,597 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:47:04,597 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:47:04,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:47:04,598 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2019-11-19 18:47:04,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 18:47:04,599 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114880425] [2019-11-19 18:47:04,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 18:47:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 18:47:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 18:47:04,696 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 18:47:04,697 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-19 18:47:04,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 06:47:04 BoogieIcfgContainer [2019-11-19 18:47:04,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 18:47:04,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 18:47:04,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 18:47:04,728 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 18:47:04,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:47:04" (3/4) ... [2019-11-19 18:47:04,732 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 18:47:04,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 18:47:04,735 INFO L168 Benchmark]: Toolchain (without parser) took 1465.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -109.8 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:04,736 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 18:47:04,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:04,738 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.28 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:04,739 INFO L168 Benchmark]: Boogie Preprocessor took 70.46 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:04,740 INFO L168 Benchmark]: RCFGBuilder took 334.99 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:04,742 INFO L168 Benchmark]: TraceAbstraction took 480.55 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: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:04,742 INFO L168 Benchmark]: Witness Printer took 4.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 18:47:04,747 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 502.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.28 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.46 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: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 334.99 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 480.55 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: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Witness Printer took 4.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 52]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 51, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L47] double x = 0.0; [L26] __uint32_t high; [L28] ieee_double_shape_type gh_u; [L29] gh_u.value = (x) [L30] EXPR gh_u.parts.msw [L30] (high) = gh_u.parts.msw [L33] ieee_double_shape_type sh_u; [L34] sh_u.value = (x) [L35] sh_u.parts.msw = (high & 0x7fffffff) [L36] EXPR sh_u.value [L36] (x) = sh_u.value [L38] return x; [L48] double res = fabs_double(x); [L51] EXPR res == 0.0 && __signbit_double(res) == 0 [L51] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L52] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 19 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=19occurred 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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, 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 0.1.24-f6fb2bb [2019-11-19 18:47:06,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 18:47:06,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 18:47:06,925 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 18:47:06,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 18:47:06,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 18:47:06,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 18:47:06,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 18:47:06,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 18:47:06,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 18:47:06,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 18:47:06,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 18:47:06,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 18:47:06,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 18:47:06,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 18:47:06,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 18:47:06,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 18:47:06,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 18:47:06,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 18:47:06,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 18:47:06,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 18:47:06,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 18:47:06,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 18:47:06,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 18:47:06,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 18:47:06,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 18:47:06,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 18:47:06,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 18:47:06,965 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 18:47:06,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 18:47:06,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 18:47:06,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 18:47:06,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 18:47:06,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 18:47:06,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 18:47:06,972 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 18:47:06,973 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 18:47:06,973 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 18:47:06,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 18:47:06,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 18:47:06,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 18:47:06,977 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-19 18:47:06,993 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 18:47:06,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 18:47:06,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 18:47:06,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 18:47:06,995 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 18:47:06,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 18:47:06,996 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 18:47:06,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 18:47:06,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 18:47:06,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 18:47:06,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 18:47:06,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 18:47:06,998 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 18:47:06,998 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 18:47:06,998 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 18:47:06,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 18:47:06,999 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 18:47:06,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 18:47:06,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 18:47:07,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 18:47:07,000 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 18:47:07,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 18:47:07,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 18:47:07,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 18:47:07,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 18:47:07,002 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 18:47:07,002 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-19 18:47:07,002 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 18:47:07,003 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 18:47:07,003 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 18:47:07,003 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 -> 84d0ee37d85bbc2c0fd59ce938796111cbf21a8f [2019-11-19 18:47:07,326 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 18:47:07,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 18:47:07,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 18:47:07,347 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 18:47:07,348 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 18:47:07,349 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2019-11-19 18:47:07,425 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094636618/fde19295e5ee4435b5bc1bc901430fab/FLAGf39b782db [2019-11-19 18:47:07,911 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 18:47:07,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2019-11-19 18:47:07,919 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094636618/fde19295e5ee4435b5bc1bc901430fab/FLAGf39b782db [2019-11-19 18:47:08,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/094636618/fde19295e5ee4435b5bc1bc901430fab [2019-11-19 18:47:08,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 18:47:08,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 18:47:08,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 18:47:08,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 18:47:08,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 18:47:08,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:47:08" (1/1) ... [2019-11-19 18:47:08,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f78e138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:08, skipping insertion in model container [2019-11-19 18:47:08,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:47:08" (1/1) ... [2019-11-19 18:47:08,255 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 18:47:08,274 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 18:47:08,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:47:08,514 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 18:47:08,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 18:47:08,636 INFO L192 MainTranslator]: Completed translation [2019-11-19 18:47:08,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:08 WrapperNode [2019-11-19 18:47:08,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 18:47:08,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 18:47:08,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 18:47:08,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 18:47:08,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:08" (1/1) ... [2019-11-19 18:47:08,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:08" (1/1) ... [2019-11-19 18:47:08,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 18:47:08,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 18:47:08,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 18:47:08,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 18:47:08,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:08" (1/1) ... [2019-11-19 18:47:08,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:08" (1/1) ... [2019-11-19 18:47:08,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:08" (1/1) ... [2019-11-19 18:47:08,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:08" (1/1) ... [2019-11-19 18:47:08,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:08" (1/1) ... [2019-11-19 18:47:08,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:08" (1/1) ... [2019-11-19 18:47:08,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:08" (1/1) ... [2019-11-19 18:47:08,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 18:47:08,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 18:47:08,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 18:47:08,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 18:47:08,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:08" (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 [2019-11-19 18:47:08,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-19 18:47:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-19 18:47:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-19 18:47:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 18:47:08,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 18:47:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 18:47:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-19 18:47:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-19 18:47:09,111 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 18:47:09,112 INFO L285 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-19 18:47:09,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:47:09 BoogieIcfgContainer [2019-11-19 18:47:09,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 18:47:09,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 18:47:09,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 18:47:09,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 18:47:09,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:47:08" (1/3) ... [2019-11-19 18:47:09,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe7ed5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:47:09, skipping insertion in model container [2019-11-19 18:47:09,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:47:08" (2/3) ... [2019-11-19 18:47:09,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fe7ed5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:47:09, skipping insertion in model container [2019-11-19 18:47:09,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:47:09" (3/3) ... [2019-11-19 18:47:09,141 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2019-11-19 18:47:09,164 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 18:47:09,175 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 18:47:09,200 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 18:47:09,230 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 18:47:09,230 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 18:47:09,231 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 18:47:09,231 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 18:47:09,231 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 18:47:09,231 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 18:47:09,232 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 18:47:09,232 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 18:47:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-11-19 18:47:09,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-19 18:47:09,258 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:47:09,259 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:47:09,260 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:47:09,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:47:09,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2019-11-19 18:47:09,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 18:47:09,280 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1004560081] [2019-11-19 18:47:09,281 INFO L94 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 [2019-11-19 18:47:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:47:09,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-19 18:47:09,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:47:09,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:47:09,373 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 18:47:09,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:47:09,379 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1004560081] [2019-11-19 18:47:09,380 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:47:09,380 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-19 18:47:09,381 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670492539] [2019-11-19 18:47:09,387 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-19 18:47:09,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 18:47:09,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-19 18:47:09,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 18:47:09,404 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-11-19 18:47:09,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:47:09,425 INFO L93 Difference]: Finished difference Result 36 states and 50 transitions. [2019-11-19 18:47:09,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 18:47:09,427 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-19 18:47:09,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:47:09,438 INFO L225 Difference]: With dead ends: 36 [2019-11-19 18:47:09,438 INFO L226 Difference]: Without dead ends: 16 [2019-11-19 18:47:09,442 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-19 18:47:09,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-19 18:47:09,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-19 18:47:09,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-19 18:47:09,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-19 18:47:09,478 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2019-11-19 18:47:09,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:47:09,479 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-19 18:47:09,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-19 18:47:09,480 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-19 18:47:09,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-19 18:47:09,480 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:47:09,481 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:47:09,697 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-19 18:47:09,697 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:47:09,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:47:09,697 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2019-11-19 18:47:09,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 18:47:09,699 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1817627410] [2019-11-19 18:47:09,699 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-19 18:47:09,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:47:09,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 13 conjunts are in the unsatisfiable core [2019-11-19 18:47:09,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:47:09,967 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 60 [2019-11-19 18:47:09,976 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-19 18:47:09,983 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 18:47:09,984 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-19 18:47:10,002 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 18:47:10,003 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-19 18:47:10,003 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:85, output treesize:46 [2019-11-19 18:47:10,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:47:10,062 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 18:47:10,065 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 18:47:10,125 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 54 [2019-11-19 18:47:10,138 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-19 18:47:10,143 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 18:47:10,144 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-19 18:47:10,157 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 18:47:10,158 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-19 18:47:10,159 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:71, output treesize:35 [2019-11-19 18:47:10,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:47:10,258 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1817627410] [2019-11-19 18:47:10,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:47:10,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2019-11-19 18:47:10,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175380807] [2019-11-19 18:47:10,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-19 18:47:10,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 18:47:10,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-19 18:47:10,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2019-11-19 18:47:10,263 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 9 states. [2019-11-19 18:47:10,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:47:10,425 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-11-19 18:47:10,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 18:47:10,426 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2019-11-19 18:47:10,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:47:10,427 INFO L225 Difference]: With dead ends: 19 [2019-11-19 18:47:10,427 INFO L226 Difference]: Without dead ends: 16 [2019-11-19 18:47:10,429 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-11-19 18:47:10,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-19 18:47:10,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-19 18:47:10,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-19 18:47:10,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-11-19 18:47:10,435 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2019-11-19 18:47:10,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:47:10,437 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-11-19 18:47:10,437 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-19 18:47:10,437 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-11-19 18:47:10,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-19 18:47:10,439 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 18:47:10,439 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 18:47:10,653 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-19 18:47:10,654 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 18:47:10,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 18:47:10,655 INFO L82 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2019-11-19 18:47:10,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-19 18:47:10,657 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889459761] [2019-11-19 18:47:10,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-19 18:47:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 18:47:10,761 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 18 conjunts are in the unsatisfiable core [2019-11-19 18:47:10,764 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 18:47:10,833 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 48 [2019-11-19 18:47:10,842 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 24 [2019-11-19 18:47:10,843 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-19 18:47:10,848 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 18:47:10,849 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-19 18:47:10,861 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 18:47:10,862 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-19 18:47:10,863 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:64, output treesize:34 [2019-11-19 18:47:11,095 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 18:47:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:47:11,186 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-19 18:47:11,188 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-19 18:47:11,490 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 49 [2019-11-19 18:47:11,497 INFO L377 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 28 [2019-11-19 18:47:11,498 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-19 18:47:11,502 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 18:47:11,503 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-19 18:47:11,512 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-19 18:47:11,512 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-19 18:47:11,513 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:62, output treesize:35 [2019-11-19 18:47:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 18:47:11,709 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889459761] [2019-11-19 18:47:11,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-19 18:47:11,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2019-11-19 18:47:11,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947706120] [2019-11-19 18:47:11,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-11-19 18:47:11,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-19 18:47:11,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-11-19 18:47:11,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2019-11-19 18:47:11,712 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 18 states. [2019-11-19 18:47:12,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 18:47:12,450 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-11-19 18:47:12,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-19 18:47:12,451 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 15 [2019-11-19 18:47:12,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 18:47:12,452 INFO L225 Difference]: With dead ends: 16 [2019-11-19 18:47:12,452 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 18:47:12,453 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2019-11-19 18:47:12,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 18:47:12,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 18:47:12,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 18:47:12,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 18:47:12,454 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-11-19 18:47:12,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 18:47:12,454 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 18:47:12,454 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-11-19 18:47:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 18:47:12,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 18:47:12,659 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-19 18:47:12,665 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 18:47:12,837 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2019-11-19 18:47:13,007 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2019-11-19 18:47:13,015 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 27 31) no Hoare annotation was computed. [2019-11-19 18:47:13,015 INFO L440 ceAbstractionStarter]: At program point L27-2(lines 27 31) the Hoare annotation is: (= ULTIMATE.start_fabs_double_~x (_ +zero 11 53)) [2019-11-19 18:47:13,016 INFO L440 ceAbstractionStarter]: At program point L23(lines 14 24) the Hoare annotation is: (and (= ULTIMATE.start_fabs_double_~x (_ +zero 11 53)) (= |ULTIMATE.start___signbit_double_#res| (_ bv0 32)) (= |ULTIMATE.start_fabs_double_#res| (_ +zero 11 53)) (exists ((v_skolemized_v_prenex_2_3 (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) v_skolemized_v_prenex_2_3) ((_ extract 62 52) v_skolemized_v_prenex_2_3) ((_ extract 51 0) v_skolemized_v_prenex_2_3))) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) v_skolemized_v_prenex_2_3)))) |ULTIMATE.start_main_#t~short8| (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= (let ((.cse1 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start_main_~res~0))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= ULTIMATE.start_fabs_double_~high~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))))) (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= (let ((.cse2 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))) ULTIMATE.start___signbit_double_~x)))) [2019-11-19 18:47:13,016 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-19 18:47:13,017 INFO L444 ceAbstractionStarter]: For program point L32(lines 32 37) no Hoare annotation was computed. [2019-11-19 18:47:13,017 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 18:47:13,017 INFO L444 ceAbstractionStarter]: For program point L32-1(lines 25 39) no Hoare annotation was computed. [2019-11-19 18:47:13,017 INFO L444 ceAbstractionStarter]: For program point L32-2(lines 32 37) no Hoare annotation was computed. [2019-11-19 18:47:13,017 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 18:47:13,018 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 18:47:13,018 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 52) no Hoare annotation was computed. [2019-11-19 18:47:13,018 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 18:47:13,018 INFO L444 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2019-11-19 18:47:13,019 INFO L440 ceAbstractionStarter]: At program point L17-2(lines 17 21) the Hoare annotation is: (and (= ULTIMATE.start_fabs_double_~x (_ +zero 11 53)) (= |ULTIMATE.start_fabs_double_#res| (_ +zero 11 53)) |ULTIMATE.start_main_#t~short8| (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= (let ((.cse0 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) ULTIMATE.start_main_~res~0))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= ULTIMATE.start_fabs_double_~high~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))))) (exists ((v_arrayElimCell_4 (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|))) (= (let ((.cse1 (concat (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) v_arrayElimCell_4))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))) ULTIMATE.start___signbit_double_~x)))) [2019-11-19 18:47:13,019 INFO L444 ceAbstractionStarter]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2019-11-19 18:47:13,019 INFO L440 ceAbstractionStarter]: At program point L38(lines 25 39) the Hoare annotation is: (and (= ULTIMATE.start_fabs_double_~x (_ +zero 11 53)) (= |ULTIMATE.start_fabs_double_#res| (_ +zero 11 53)) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64))) (and (= ULTIMATE.start_fabs_double_~high~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|)) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_9|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_9|)))))) [2019-11-19 18:47:13,019 INFO L447 ceAbstractionStarter]: At program point L55(lines 41 56) the Hoare annotation is: true [2019-11-19 18:47:13,019 INFO L444 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2019-11-19 18:47:13,019 INFO L444 ceAbstractionStarter]: For program point L51-2(lines 51 54) no Hoare annotation was computed. [2019-11-19 18:47:13,024 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:556) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:256) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:213) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) 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:316) 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) [2019-11-19 18:47:13,029 INFO L168 Benchmark]: Toolchain (without parser) took 4791.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 952.3 MB in the beginning and 931.9 MB in the end (delta: 20.4 MB). Peak memory consumption was 173.0 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:13,030 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 18:47:13,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -196.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:13,032 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.44 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:13,033 INFO L168 Benchmark]: Boogie Preprocessor took 37.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 18:47:13,034 INFO L168 Benchmark]: RCFGBuilder took 396.77 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: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:13,034 INFO L168 Benchmark]: TraceAbstraction took 3910.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 931.9 MB in the end (delta: 179.9 MB). Peak memory consumption was 179.9 MB. Max. memory is 11.5 GB. [2019-11-19 18:47:13,039 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 397.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -196.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.44 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 396.77 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: 30.7 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3910.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 931.9 MB in the end (delta: 179.9 MB). Peak memory consumption was 179.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 52]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ExceptionOrErrorResult: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (concat (_ BitVec 32) (_ BitVec 32) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...