./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 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15a3ba5a5ea1f616f1714f6dddddb6b3e57753c0 .................................................................................................................................................................................................................................................................................... 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 -Xmx15G -Xms4m -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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15a3ba5a5ea1f616f1714f6dddddb6b3e57753c0 .......................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-9a8b2e8 [2020-10-20 00:32:21,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:32:21,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:32:21,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:32:21,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:32:21,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:32:21,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:32:21,475 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:32:21,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:32:21,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:32:21,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:32:21,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:32:21,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:32:21,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:32:21,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:32:21,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:32:21,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:32:21,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:32:21,499 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:32:21,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:32:21,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:32:21,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:32:21,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:32:21,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:32:21,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:32:21,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:32:21,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:32:21,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:32:21,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:32:21,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:32:21,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:32:21,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:32:21,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:32:21,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:32:21,538 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:32:21,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:32:21,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:32:21,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:32:21,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:32:21,541 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:32:21,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:32:21,543 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:32:21,586 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:32:21,587 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:32:21,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:32:21,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:32:21,589 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:32:21,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:32:21,589 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:32:21,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:32:21,590 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:32:21,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:32:21,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:32:21,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:32:21,591 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:32:21,591 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:32:21,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:32:21,591 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:32:21,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:32:21,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:32:21,592 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:32:21,592 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:32:21,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:32:21,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:32:21,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:32:21,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:32:21,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:32:21,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:32:21,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:32:21,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:32:21,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:32:21,595 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(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15a3ba5a5ea1f616f1714f6dddddb6b3e57753c0 [2020-10-20 00:32:21,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:32:21,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:32:21,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:32:21,845 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:32:21,846 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:32:21,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2020-10-20 00:32:21,924 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63fd05d36/2822a808cafe4ce7946f2283b2552284/FLAG65a7c7a75 [2020-10-20 00:32:22,500 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:32:22,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2020-10-20 00:32:22,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63fd05d36/2822a808cafe4ce7946f2283b2552284/FLAG65a7c7a75 [2020-10-20 00:32:22,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63fd05d36/2822a808cafe4ce7946f2283b2552284 [2020-10-20 00:32:22,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:32:22,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:32:22,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:32:22,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:32:22,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:32:22,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:32:22" (1/1) ... [2020-10-20 00:32:22,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7af78815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:22, skipping insertion in model container [2020-10-20 00:32:22,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:32:22" (1/1) ... [2020-10-20 00:32:22,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:32:22,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:32:23,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:32:23,211 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:32:23,258 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:32:23,287 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:32:23,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:23 WrapperNode [2020-10-20 00:32:23,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:32:23,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:32:23,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:32:23,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:32:23,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:23" (1/1) ... [2020-10-20 00:32:23,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:23" (1/1) ... [2020-10-20 00:32:23,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:32:23,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:32:23,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:32:23,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:32:23,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:23" (1/1) ... [2020-10-20 00:32:23,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:23" (1/1) ... [2020-10-20 00:32:23,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:23" (1/1) ... [2020-10-20 00:32:23,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:23" (1/1) ... [2020-10-20 00:32:23,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:23" (1/1) ... [2020-10-20 00:32:23,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:23" (1/1) ... [2020-10-20 00:32:23,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:23" (1/1) ... [2020-10-20 00:32:23,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:32:23,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:32:23,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:32:23,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:32:23,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:32:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:32:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:32:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:32:23,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:32:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:32:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:32:23,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:32:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:32:23,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:32:23,854 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:32:23,854 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-20 00:32:23,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:23 BoogieIcfgContainer [2020-10-20 00:32:23,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:32:23,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:32:23,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:32:23,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:32:23,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:32:22" (1/3) ... [2020-10-20 00:32:23,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79582391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:23, skipping insertion in model container [2020-10-20 00:32:23,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:23" (2/3) ... [2020-10-20 00:32:23,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79582391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:23, skipping insertion in model container [2020-10-20 00:32:23,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:23" (3/3) ... [2020-10-20 00:32:23,866 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2020-10-20 00:32:23,878 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:32:23,886 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:32:23,899 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:32:23,922 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:32:23,923 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:32:23,923 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:32:23,923 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:32:23,924 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:32:23,924 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:32:23,924 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:32:23,924 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:32:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-10-20 00:32:23,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-20 00:32:23,945 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:23,946 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:23,946 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:23,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:23,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2020-10-20 00:32:23,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:32:23,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146345774] [2020-10-20 00:32:23,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:32:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:24,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:24,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146345774] [2020-10-20 00:32:24,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:24,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:32:24,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8914512] [2020-10-20 00:32:24,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:32:24,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:32:24,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:32:24,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:32:24,114 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2020-10-20 00:32:24,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:24,130 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-10-20 00:32:24,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:32:24,132 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-20 00:32:24,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:24,143 INFO L225 Difference]: With dead ends: 37 [2020-10-20 00:32:24,143 INFO L226 Difference]: Without dead ends: 16 [2020-10-20 00:32:24,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:32:24,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-20 00:32:24,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-20 00:32:24,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-20 00:32:24,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-10-20 00:32:24,200 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2020-10-20 00:32:24,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:24,200 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-10-20 00:32:24,201 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:32:24,201 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-10-20 00:32:24,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:32:24,202 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:24,202 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:24,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:32:24,203 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:24,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:24,204 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2020-10-20 00:32:24,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:32:24,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344284904] [2020-10-20 00:32:24,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:32:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:32:24,312 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:32:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:32:24,380 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:32:24,432 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:32:24,433 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:32:24,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:32:24,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:32:24 BoogieIcfgContainer [2020-10-20 00:32:24,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:32:24,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:32:24,475 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:32:24,476 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:32:24,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:23" (3/4) ... [2020-10-20 00:32:24,480 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:32:24,481 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:32:24,484 INFO L168 Benchmark]: Toolchain (without parser) took 1559.66 ms. Allocated memory was 44.6 MB in the beginning and 48.2 MB in the end (delta: 3.7 MB). Free memory was 24.6 MB in the beginning and 18.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:24,485 INFO L168 Benchmark]: CDTParser took 0.86 ms. Allocated memory is still 33.0 MB. Free memory was 12.3 MB in the beginning and 12.3 MB in the end (delta: 50.4 kB). Peak memory consumption was 50.4 kB. Max. memory is 14.3 GB. [2020-10-20 00:32:24,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.50 ms. Allocated memory is still 44.6 MB. Free memory was 23.7 MB in the beginning and 25.1 MB in the end (delta: -1.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:24,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.33 ms. Allocated memory is still 44.6 MB. Free memory was 25.1 MB in the beginning and 23.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:24,488 INFO L168 Benchmark]: Boogie Preprocessor took 62.26 ms. Allocated memory is still 44.6 MB. Free memory was 23.3 MB in the beginning and 21.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:24,489 INFO L168 Benchmark]: RCFGBuilder took 437.66 ms. Allocated memory was 44.6 MB in the beginning and 48.2 MB in the end (delta: 3.7 MB). Free memory was 21.6 MB in the beginning and 26.1 MB in the end (delta: -4.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:24,490 INFO L168 Benchmark]: TraceAbstraction took 616.86 ms. Allocated memory is still 48.2 MB. Free memory was 25.8 MB in the beginning and 19.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:24,491 INFO L168 Benchmark]: Witness Printer took 5.59 ms. Allocated memory is still 48.2 MB. Free memory was 19.5 MB in the beginning and 19.2 MB in the end (delta: 329.5 kB). Peak memory consumption was 329.5 kB. Max. memory is 14.3 GB. [2020-10-20 00:32:24,496 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 ms. Allocated memory is still 33.0 MB. Free memory was 12.3 MB in the beginning and 12.3 MB in the end (delta: 50.4 kB). Peak memory consumption was 50.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 359.50 ms. Allocated memory is still 44.6 MB. Free memory was 23.7 MB in the beginning and 25.1 MB in the end (delta: -1.4 MB). Peak memory consumption was 14.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 66.33 ms. Allocated memory is still 44.6 MB. Free memory was 25.1 MB in the beginning and 23.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 62.26 ms. Allocated memory is still 44.6 MB. Free memory was 23.3 MB in the beginning and 21.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 437.66 ms. Allocated memory was 44.6 MB in the beginning and 48.2 MB in the end (delta: 3.7 MB). Free memory was 21.6 MB in the beginning and 26.1 MB in the end (delta: -4.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 14.3 GB. * TraceAbstraction took 616.86 ms. Allocated memory is still 48.2 MB. Free memory was 25.8 MB in the beginning and 19.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 14.3 GB. * Witness Printer took 5.59 ms. Allocated memory is still 48.2 MB. Free memory was 19.5 MB in the beginning and 19.2 MB in the end (delta: 329.5 kB). Peak memory consumption was 329.5 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 53, overapproximation of bitwiseAnd at line 37. Possible FailurePath: [L49] double x = 0.0; [L28] __uint32_t high; [L30] ieee_double_shape_type gh_u; [L31] gh_u.value = (x) [L32] EXPR gh_u.parts.msw [L32] (high) = gh_u.parts.msw [L35] ieee_double_shape_type sh_u; [L36] sh_u.value = (x) [L37] sh_u.parts.msw = (high & 0x7fffffff) [L38] EXPR sh_u.value [L38] (x) = sh_u.value [L40] return x; [L50] double res = fabs_double(x); [L53] EXPR res == 0.0 && __signbit_double(res) == 0 [L53] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_1011a.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 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=20occurred 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, 0.1s 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:32:26,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:32:26,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:32:26,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:32:26,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:32:26,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:32:26,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:32:26,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:32:26,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:32:26,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:32:26,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:32:26,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:32:26,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:32:26,726 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:32:26,728 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:32:26,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:32:26,732 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:32:26,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:32:26,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:32:26,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:32:26,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:32:26,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:32:26,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:32:26,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:32:26,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:32:26,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:32:26,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:32:26,759 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:32:26,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:32:26,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:32:26,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:32:26,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:32:26,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:32:26,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:32:26,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:32:26,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:32:26,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:32:26,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:32:26,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:32:26,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:32:26,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:32:26,786 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:32:26,826 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:32:26,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:32:26,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:32:26,829 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:32:26,829 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:32:26,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:32:26,830 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:32:26,830 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:32:26,830 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:32:26,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:32:26,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:32:26,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:32:26,832 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:32:26,832 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:32:26,833 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:32:26,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:32:26,833 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:32:26,834 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:32:26,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:32:26,835 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:32:26,835 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:32:26,835 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:32:26,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:32:26,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:32:26,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:32:26,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:32:26,836 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:32:26,836 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:32:26,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:32:26,837 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:32:26,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:32:26,837 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(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15a3ba5a5ea1f616f1714f6dddddb6b3e57753c0 [2020-10-20 00:32:27,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:32:27,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:32:27,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:32:27,085 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:32:27,086 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:32:27,087 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2020-10-20 00:32:27,151 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1c81e923/b0e128f066ec4c2a9d1135a3ad041a70/FLAG17757b50b [2020-10-20 00:32:27,614 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:32:27,615 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_1011a.c [2020-10-20 00:32:27,623 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1c81e923/b0e128f066ec4c2a9d1135a3ad041a70/FLAG17757b50b [2020-10-20 00:32:27,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1c81e923/b0e128f066ec4c2a9d1135a3ad041a70 [2020-10-20 00:32:27,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:32:27,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:32:27,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:32:27,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:32:27,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:32:28,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:32:27" (1/1) ... [2020-10-20 00:32:28,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15b1f048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:28, skipping insertion in model container [2020-10-20 00:32:28,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:32:27" (1/1) ... [2020-10-20 00:32:28,011 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:32:28,032 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:32:28,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:32:28,359 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:32:28,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:32:28,442 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:32:28,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:28 WrapperNode [2020-10-20 00:32:28,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:32:28,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:32:28,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:32:28,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:32:28,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:28" (1/1) ... [2020-10-20 00:32:28,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:28" (1/1) ... [2020-10-20 00:32:28,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:32:28,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:32:28,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:32:28,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:32:28,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:28" (1/1) ... [2020-10-20 00:32:28,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:28" (1/1) ... [2020-10-20 00:32:28,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:28" (1/1) ... [2020-10-20 00:32:28,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:28" (1/1) ... [2020-10-20 00:32:28,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:28" (1/1) ... [2020-10-20 00:32:28,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:28" (1/1) ... [2020-10-20 00:32:28,513 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:28" (1/1) ... [2020-10-20 00:32:28,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:32:28,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:32:28,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:32:28,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:32:28,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:32:28,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:32:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:32:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:32:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:32:28,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:32:28,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:32:28,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:32:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:32:28,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:32:29,017 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:32:29,017 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-20 00:32:29,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:29 BoogieIcfgContainer [2020-10-20 00:32:29,019 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:32:29,020 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:32:29,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:32:29,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:32:29,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:32:27" (1/3) ... [2020-10-20 00:32:29,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e9a3d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:29, skipping insertion in model container [2020-10-20 00:32:29,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:32:28" (2/3) ... [2020-10-20 00:32:29,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34e9a3d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:32:29, skipping insertion in model container [2020-10-20 00:32:29,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:32:29" (3/3) ... [2020-10-20 00:32:29,031 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1011a.c [2020-10-20 00:32:29,051 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:32:29,057 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:32:29,069 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:32:29,096 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:32:29,096 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:32:29,096 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:32:29,096 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:32:29,097 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:32:29,097 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:32:29,097 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:32:29,097 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:32:29,110 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-10-20 00:32:29,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-20 00:32:29,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:29,116 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:29,116 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:29,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:29,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1641221055, now seen corresponding path program 1 times [2020-10-20 00:32:29,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:29,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [857247149] [2020-10-20 00:32:29,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 00:32:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:29,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:32:29,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:32:29,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:29,252 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:32:29,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:29,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [857247149] [2020-10-20 00:32:29,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:29,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:32:29,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677354625] [2020-10-20 00:32:29,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:32:29,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:32:29,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:32:29,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:32:29,274 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 2 states. [2020-10-20 00:32:29,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:29,296 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-10-20 00:32:29,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:32:29,297 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-20 00:32:29,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:29,307 INFO L225 Difference]: With dead ends: 37 [2020-10-20 00:32:29,307 INFO L226 Difference]: Without dead ends: 16 [2020-10-20 00:32:29,310 INFO L677 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 [2020-10-20 00:32:29,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-20 00:32:29,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-20 00:32:29,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-20 00:32:29,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-10-20 00:32:29,344 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 9 [2020-10-20 00:32:29,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:29,344 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-10-20 00:32:29,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:32:29,345 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-10-20 00:32:29,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:32:29,345 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:29,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:29,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:32:29,555 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:29,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:29,556 INFO L82 PathProgramCache]: Analyzing trace with hash 558264036, now seen corresponding path program 1 times [2020-10-20 00:32:29,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:29,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [471240662] [2020-10-20 00:32:29,561 INFO L95 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 [2020-10-20 00:32:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:29,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 13 conjunts are in the unsatisfiable core [2020-10-20 00:32:29,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:32:29,801 INFO L384 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 [2020-10-20 00:32:29,809 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:32:29,815 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:29,815 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:32:29,831 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:29,834 INFO L545 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. [2020-10-20 00:32:29,834 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:91, output treesize:52 [2020-10-20 00:32:29,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:29,881 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:32:29,921 INFO L384 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 [2020-10-20 00:32:29,927 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-20 00:32:29,930 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:29,931 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-20 00:32:29,942 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:29,943 INFO L545 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. [2020-10-20 00:32:29,944 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:71, output treesize:35 [2020-10-20 00:32:30,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:30,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [471240662] [2020-10-20 00:32:30,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:30,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 9 [2020-10-20 00:32:30,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865833625] [2020-10-20 00:32:30,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-20 00:32:30,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:32:30,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-20 00:32:30,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-20 00:32:30,025 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 9 states. [2020-10-20 00:32:30,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:30,173 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2020-10-20 00:32:30,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 00:32:30,173 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2020-10-20 00:32:30,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:30,174 INFO L225 Difference]: With dead ends: 19 [2020-10-20 00:32:30,174 INFO L226 Difference]: Without dead ends: 16 [2020-10-20 00:32:30,175 INFO L677 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 [2020-10-20 00:32:30,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-10-20 00:32:30,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-10-20 00:32:30,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-10-20 00:32:30,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-10-20 00:32:30,180 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 11 [2020-10-20 00:32:30,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:30,180 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-10-20 00:32:30,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-20 00:32:30,180 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-10-20 00:32:30,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-20 00:32:30,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:32:30,181 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:32:30,396 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:32:30,396 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:32:30,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:32:30,397 INFO L82 PathProgramCache]: Analyzing trace with hash -2014349959, now seen corresponding path program 1 times [2020-10-20 00:32:30,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:32:30,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [683211034] [2020-10-20 00:32:30,405 INFO L95 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 [2020-10-20 00:32:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:32:30,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 18 conjunts are in the unsatisfiable core [2020-10-20 00:32:30,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:32:30,575 INFO L384 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 [2020-10-20 00:32:30,582 INFO L384 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 [2020-10-20 00:32:30,583 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:32:30,587 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:30,588 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:32:30,598 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:30,600 INFO L545 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. [2020-10-20 00:32:30,600 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:64, output treesize:34 [2020-10-20 00:32:30,825 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-20 00:32:30,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:30,903 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:32:31,241 INFO L384 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 [2020-10-20 00:32:31,248 INFO L384 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 [2020-10-20 00:32:31,249 INFO L545 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:32:31,254 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:31,254 INFO L545 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-10-20 00:32:31,265 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-20 00:32:31,267 INFO L545 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. [2020-10-20 00:32:31,267 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:62, output treesize:35 [2020-10-20 00:32:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:32:31,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [683211034] [2020-10-20 00:32:31,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:32:31,476 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11, 11] imperfect sequences [] total 18 [2020-10-20 00:32:31,476 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147797341] [2020-10-20 00:32:31,476 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-20 00:32:31,477 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:32:31,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-20 00:32:31,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2020-10-20 00:32:31,478 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 18 states. [2020-10-20 00:32:32,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:32:32,183 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-10-20 00:32:32,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-20 00:32:32,184 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 15 [2020-10-20 00:32:32,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:32:32,185 INFO L225 Difference]: With dead ends: 16 [2020-10-20 00:32:32,185 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:32:32,186 INFO L677 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 [2020-10-20 00:32:32,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:32:32,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:32:32,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:32:32,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:32:32,187 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-10-20 00:32:32,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:32:32,187 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:32:32,187 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-20 00:32:32,188 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:32:32,188 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:32:32,388 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:32:32,392 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:32:32,592 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2020-10-20 00:32:32,780 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 48 [2020-10-20 00:32:32,784 INFO L274 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2020-10-20 00:32:32,785 INFO L270 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: (and (exists ((|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|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|) ULTIMATE.start_fabs_double_~high~0))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (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|))) (= ULTIMATE.start_main_~res~0 (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)))))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (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|))) (= ULTIMATE.start___signbit_double_~x (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)))))) (= (_ +zero 11 53) ULTIMATE.start_fabs_double_~x) (= (_ +zero 11 53) |ULTIMATE.start_fabs_double_#res|) |ULTIMATE.start_main_#t~short15|) [2020-10-20 00:32:32,785 INFO L274 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2020-10-20 00:32:32,785 INFO L270 CegarLoopResult]: At program point L40(lines 27 41) the Hoare annotation is: (and (exists ((|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|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|) ULTIMATE.start_fabs_double_~high~0))) (= (_ +zero 11 53) ULTIMATE.start_fabs_double_~x) (= (_ +zero 11 53) |ULTIMATE.start_fabs_double_#res|)) [2020-10-20 00:32:32,785 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 00:32:32,785 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-20 00:32:32,785 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:32:32,786 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:32:32,786 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:32:32,786 INFO L277 CegarLoopResult]: At program point L57(lines 43 58) the Hoare annotation is: true [2020-10-20 00:32:32,786 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-20 00:32:32,786 INFO L274 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-10-20 00:32:32,786 INFO L274 CegarLoopResult]: For program point L53-2(lines 53 56) no Hoare annotation was computed. [2020-10-20 00:32:32,786 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:32:32,786 INFO L274 CegarLoopResult]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2020-10-20 00:32:32,787 INFO L270 CegarLoopResult]: At program point L29-2(lines 29 33) the Hoare annotation is: (= (_ +zero 11 53) ULTIMATE.start_fabs_double_~x) [2020-10-20 00:32:32,787 INFO L270 CegarLoopResult]: At program point L25(lines 16 26) the Hoare annotation is: (and (exists ((|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|))) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_9|) ULTIMATE.start_fabs_double_~high~0))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (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|))) (= ULTIMATE.start_main_~res~0 (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)))))) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32))) (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|))) (= ULTIMATE.start___signbit_double_~x (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)))))) (= (_ +zero 11 53) ULTIMATE.start_fabs_double_~x) (exists ((|v_skolemized_q#valueAsBitvector_9| (_ BitVec 64)) (v_arrayElimCell_4 (_ BitVec 32)) (v_skolemized_v_prenex_2_3 (_ BitVec 64))) (and (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) 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|))) (= (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)) (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_#res| (_ bv0 32)) (= (_ +zero 11 53) |ULTIMATE.start_fabs_double_#res|) |ULTIMATE.start_main_#t~short15|) [2020-10-20 00:32:32,787 INFO L274 CegarLoopResult]: For program point L34(lines 34 39) no Hoare annotation was computed. [2020-10-20 00:32:32,787 INFO L274 CegarLoopResult]: For program point L34-1(lines 27 41) no Hoare annotation was computed. [2020-10-20 00:32:32,787 INFO L274 CegarLoopResult]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2020-10-20 00:32:32,803 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:707) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:267) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-20 00:32:32,807 INFO L168 Benchmark]: Toolchain (without parser) took 4817.50 ms. Allocated memory was 34.6 MB in the beginning and 51.9 MB in the end (delta: 17.3 MB). Free memory was 11.4 MB in the beginning and 17.9 MB in the end (delta: -6.4 MB). Peak memory consumption was 17.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:32,808 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 33.6 MB. Free memory was 18.6 MB in the beginning and 18.6 MB in the end (delta: 41.6 kB). Peak memory consumption was 41.6 kB. Max. memory is 14.3 GB. [2020-10-20 00:32:32,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 447.74 ms. Allocated memory was 34.6 MB in the beginning and 42.5 MB in the end (delta: 7.9 MB). Free memory was 10.6 MB in the beginning and 24.4 MB in the end (delta: -13.8 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:32,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.64 ms. Allocated memory is still 42.5 MB. Free memory was 24.4 MB in the beginning and 22.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:32,811 INFO L168 Benchmark]: Boogie Preprocessor took 32.00 ms. Allocated memory is still 42.5 MB. Free memory was 22.4 MB in the beginning and 20.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:32,812 INFO L168 Benchmark]: RCFGBuilder took 502.03 ms. Allocated memory is still 42.5 MB. Free memory was 20.6 MB in the beginning and 13.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:32,813 INFO L168 Benchmark]: TraceAbstraction took 3784.04 ms. Allocated memory was 42.5 MB in the beginning and 51.9 MB in the end (delta: 9.4 MB). Free memory was 12.4 MB in the beginning and 17.9 MB in the end (delta: -5.4 MB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:32:32,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 33.6 MB. Free memory was 18.6 MB in the beginning and 18.6 MB in the end (delta: 41.6 kB). Peak memory consumption was 41.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 447.74 ms. Allocated memory was 34.6 MB in the beginning and 42.5 MB in the end (delta: 7.9 MB). Free memory was 10.6 MB in the beginning and 24.4 MB in the end (delta: -13.8 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 41.64 ms. Allocated memory is still 42.5 MB. Free memory was 24.4 MB in the beginning and 22.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 32.00 ms. Allocated memory is still 42.5 MB. Free memory was 22.4 MB in the beginning and 20.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * RCFGBuilder took 502.03 ms. Allocated memory is still 42.5 MB. Free memory was 20.6 MB in the beginning and 13.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 9.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 3784.04 ms. Allocated memory was 42.5 MB in the beginning and 51.9 MB in the end (delta: 9.4 MB). Free memory was 12.4 MB in the beginning and 17.9 MB in the end (delta: -5.4 MB). Peak memory consumption was 10.3 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ~Pluszero~LONGDOUBLE() == x - 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...