/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1270b_true-unreach-call.c --full-output --architecture 32bit --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5eb3fea6 Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1270b_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c2546ac6e8de07534fb8e949b179ac6b6ee9744 --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false ................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1270b_true-unreach-call.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c2546ac6e8de07534fb8e949b179ac6b6ee9744 --traceabstraction.compute.hoare.annotation.of.negated.interpolant.automaton,.abstraction.and.cfg false .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output. --- Real Ultimate output --- This is Ultimate 0.1.23-5eb3fea [2018-09-21 18:13:08,226 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:13:08,228 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:13:08,244 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:13:08,246 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:13:08,248 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:13:08,249 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:13:08,251 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:13:08,253 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:13:08,253 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:13:08,254 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:13:08,255 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:13:08,255 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:13:08,256 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:13:08,257 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:13:08,258 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:13:08,259 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:13:08,261 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:13:08,263 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:13:08,265 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:13:08,268 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:13:08,273 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:13:08,275 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:13:08,278 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:13:08,278 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:13:08,279 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:13:08,282 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:13:08,283 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:13:08,284 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:13:08,287 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:13:08,289 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:13:08,290 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:13:08,290 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:13:08,290 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:13:08,292 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:13:08,294 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:13:08,294 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-21 18:13:08,317 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:13:08,317 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:13:08,318 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:13:08,318 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:13:08,319 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:13:08,319 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:13:08,319 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:13:08,319 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:13:08,319 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:13:08,321 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-21 18:13:08,321 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:13:08,321 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:13:08,321 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:13:08,321 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:13:08,321 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:13:08,322 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:13:08,322 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:13:08,322 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:13:08,322 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:13:08,322 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:13:08,325 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:13:08,325 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:13:08,325 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:13:08,325 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:13:08,326 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:13:08,326 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:13:08,326 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-21 18:13:08,326 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:13:08,326 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-21 18:13:08,326 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c2546ac6e8de07534fb8e949b179ac6b6ee9744 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:13:08,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:13:08,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:13:08,432 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:13:08,434 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:13:08,435 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:13:08,435 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1270b_true-unreach-call.c [2018-09-21 18:13:08,796 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b7e84d1c/b7238229916e4642af3dc130ab4c6972/FLAGda1e2e62b [2018-09-21 18:13:09,021 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:13:09,022 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1270b_true-unreach-call.c [2018-09-21 18:13:09,032 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b7e84d1c/b7238229916e4642af3dc130ab4c6972/FLAGda1e2e62b [2018-09-21 18:13:09,048 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b7e84d1c/b7238229916e4642af3dc130ab4c6972 [2018-09-21 18:13:09,052 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:13:09,055 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:13:09,056 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:13:09,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:13:09,064 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:13:09,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:13:09" (1/1) ... [2018-09-21 18:13:09,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c686bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:09, skipping insertion in model container [2018-09-21 18:13:09,069 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:13:09" (1/1) ... [2018-09-21 18:13:09,082 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:13:09,391 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:13:09,410 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:13:09,490 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:13:09,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:09 WrapperNode [2018-09-21 18:13:09,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:13:09,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:13:09,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:13:09,545 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:13:09,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:09" (1/1) ... [2018-09-21 18:13:09,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:09" (1/1) ... [2018-09-21 18:13:09,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:09" (1/1) ... [2018-09-21 18:13:09,580 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:09" (1/1) ... [2018-09-21 18:13:09,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:09" (1/1) ... [2018-09-21 18:13:09,641 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:09" (1/1) ... [2018-09-21 18:13:09,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:09" (1/1) ... [2018-09-21 18:13:09,652 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:13:09,653 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:13:09,653 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:13:09,654 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:13:09,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:09" (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 [2018-09-21 18:13:09,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:13:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:13:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-21 18:13:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypot [2018-09-21 18:13:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-21 18:13:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:13:09,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:13:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 18:13:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-21 18:13:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:13:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-09-21 18:13:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-09-21 18:13:09,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:13:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-09-21 18:13:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-09-21 18:13:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypot [2018-09-21 18:13:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-21 18:13:09,864 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:13:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:13:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:13:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-09-21 18:13:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-09-21 18:13:12,143 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:13:12,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:13:12 BoogieIcfgContainer [2018-09-21 18:13:12,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:13:12,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:13:12,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:13:12,149 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:13:12,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:13:09" (1/3) ... [2018-09-21 18:13:12,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423737c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:13:12, skipping insertion in model container [2018-09-21 18:13:12,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:09" (2/3) ... [2018-09-21 18:13:12,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423737c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:13:12, skipping insertion in model container [2018-09-21 18:13:12,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:13:12" (3/3) ... [2018-09-21 18:13:12,152 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1270b_true-unreach-call.c [2018-09-21 18:13:12,161 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:13:12,171 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:13:12,217 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:13:12,218 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:13:12,218 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:13:12,219 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:13:12,219 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:13:12,219 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:13:12,219 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:13:12,219 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:13:12,220 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:13:12,249 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states. [2018-09-21 18:13:12,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-21 18:13:12,271 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:13:12,272 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:13:12,276 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:13:12,282 INFO L82 PathProgramCache]: Analyzing trace with hash -694570629, now seen corresponding path program 1 times [2018-09-21 18:13:12,284 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 18:13:12,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 18:13:12,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:13:12,339 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:13:12,339 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:13:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:13:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:13:12,457 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:13:12,458 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:13:12,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:13:12,482 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:13:12,483 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:13:12,486 INFO L87 Difference]: Start difference. First operand 322 states. Second operand 2 states. [2018-09-21 18:13:12,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:13:12,535 INFO L93 Difference]: Finished difference Result 322 states and 353 transitions. [2018-09-21 18:13:12,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:13:12,537 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 28 [2018-09-21 18:13:12,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:13:12,554 INFO L225 Difference]: With dead ends: 322 [2018-09-21 18:13:12,554 INFO L226 Difference]: Without dead ends: 318 [2018-09-21 18:13:12,557 INFO L606 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 [2018-09-21 18:13:12,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-09-21 18:13:12,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 318. [2018-09-21 18:13:12,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2018-09-21 18:13:12,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 349 transitions. [2018-09-21 18:13:12,664 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 349 transitions. Word has length 28 [2018-09-21 18:13:12,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:13:12,669 INFO L480 AbstractCegarLoop]: Abstraction has 318 states and 349 transitions. [2018-09-21 18:13:12,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:13:12,669 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 349 transitions. [2018-09-21 18:13:12,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-21 18:13:12,680 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:13:12,681 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:13:12,681 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:13:12,682 INFO L82 PathProgramCache]: Analyzing trace with hash 50706239, now seen corresponding path program 1 times [2018-09-21 18:13:12,682 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-09-21 18:13:12,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-09-21 18:13:12,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:13:12,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:13:12,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-21 18:13:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 18:13:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-09-21 18:13:13,030 INFO L443 BasicCegarLoop]: Counterexample might be feasible [2018-09-21 18:13:13,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.09 06:13:13 BoogieIcfgContainer [2018-09-21 18:13:13,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-21 18:13:13,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-09-21 18:13:13,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-09-21 18:13:13,114 INFO L276 PluginConnector]: Witness Printer initialized [2018-09-21 18:13:13,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:13:12" (3/4) ... [2018-09-21 18:13:13,123 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-09-21 18:13:13,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-09-21 18:13:13,124 INFO L168 Benchmark]: Toolchain (without parser) took 4071.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 953.2 MB in the beginning and 1.0 GB in the end (delta: -73.7 MB). Peak memory consumption was 78.3 MB. Max. memory is 11.5 GB. [2018-09-21 18:13:13,126 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:13:13,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 488.17 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 931.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-21 18:13:13,128 INFO L168 Benchmark]: Boogie Preprocessor took 107.72 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:13:13,129 INFO L168 Benchmark]: RCFGBuilder took 2491.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:13:13,130 INFO L168 Benchmark]: TraceAbstraction took 968.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:13:13,131 INFO L168 Benchmark]: Witness Printer took 8.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:13:13,136 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 488.17 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 931.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 107.72 ms. Allocated memory is still 1.0 GB. Free memory is still 931.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2491.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 931.7 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 968.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. * Witness Printer took 8.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 322]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 305, overapproximation of someBinaryArithmeticDOUBLEoperation at line 166, overapproximation of bitwiseAnd at line 304. Possible FailurePath: [L15] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [\old(one_sqrt)=10737418250, \old(tiny_sqrt)=10737418258, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L317] double x = -1.0 / 0.0; [L318] double y = __VERIFIER_nondet_double(); [L319] CALL, EXPR __ieee754_hypot(x, y) VAL [\old(x)=10737418251, \old(y)=10737418259, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L128] double a = x, b = y, t1, t2, y1, y2, w; [L128] double a = x, b = y, t1, t2, y1, y2, w; [L128] double a = x, b = y, t1, t2, y1, y2, w; [L129] __int32_t j, k, ha, hb; VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L132] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418242:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L133] FCALL gh_u.value = (x) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418242:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L134] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418242:0}, gh_u.parts.msw=6442450944, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L134] (ha) = gh_u.parts.msw VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418242:0}, gh_u.parts.msw=6442450944, ha=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L134] FCALL (ha) = gh_u.parts.msw VAL [(ha) = gh_u.parts.msw=10737418252, \old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418242:0}, gh_u.parts.msw=6442450944, ha=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L135] COND FALSE !(0) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, ha=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L136] ha &= 0x7fffffff VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L138] FCALL ieee_double_shape_type gh_u; VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418247:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L139] FCALL gh_u.value = (y) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418247:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L140] EXPR, FCALL gh_u.parts.msw VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418247:0}, gh_u.parts.msw=10737418240, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L140] (hb) = gh_u.parts.msw VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418247:0}, gh_u.parts.msw=10737418240, hb=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L140] FCALL (hb) = gh_u.parts.msw VAL [(hb) = gh_u.parts.msw=10737418257, \old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, gh_u={10737418247:0}, gh_u.parts.msw=10737418240, hb=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L141] COND FALSE !(0) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, hb=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L142] hb &= 0x7fffffff VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418251, b=10737418259, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L143] COND TRUE hb > ha [L144] a = y [L145] b = x [L146] j = ha [L147] ha = hb [L148] hb = j VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L154] FCALL ieee_double_shape_type sh_u; VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418246:0}, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L155] FCALL sh_u.value = (a) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418246:0}, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L156] FCALL sh_u.parts.msw = (ha) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418246:0}, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L157] EXPR, FCALL sh_u.value VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418246:0}, sh_u.value=10737418259, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L157] (a) = sh_u.value VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418246:0}, sh_u.value=10737418259, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L157] FCALL (a) = sh_u.value VAL [(a) = sh_u.value=10737418253, \old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418246:0}, sh_u.value=10737418259, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L157] FCALL (a) = sh_u.value VAL [(a) = sh_u.value=10737418256, (a) = sh_u.value=10737418253, \old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418246:0}, sh_u.value=10737418259, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L158] COND FALSE !(0) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L160] FCALL ieee_double_shape_type sh_u; VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418248:0}, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L161] FCALL sh_u.value = (b) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418248:0}, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L162] FCALL sh_u.parts.msw = (hb) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418248:0}, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L163] EXPR, FCALL sh_u.value VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418248:0}, sh_u.value=10737418251, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L163] (b) = sh_u.value VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418248:0}, sh_u.value=10737418251, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L163] FCALL (b) = sh_u.value VAL [(b) = sh_u.value=10737418245, \old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418248:0}, sh_u.value=10737418251, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L163] FCALL (b) = sh_u.value VAL [(b) = sh_u.value=10737418245, (b) = sh_u.value=10737418249, \old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, sh_u={10737418248:0}, sh_u.value=10737418251, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L164] COND FALSE !(0) VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L165] COND TRUE (ha - hb) > 0x3c00000 [L166] RET return a + b; VAL [\old(x)=10737418251, \old(y)=10737418259, a=10737418259, b=10737418251, ha=62914559, hb=-2, j=-2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L319] EXPR __ieee754_hypot(x, y) VAL [__ieee754_hypot(x, y)=10737418254, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L319] double res = __ieee754_hypot(x, y); [L321] CALL, EXPR isinf_double(res) VAL [\old(x)=10737418254, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L297] __int32_t hx, lx; VAL [\old(x)=10737418254, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L299] FCALL ieee_double_shape_type ew_u; VAL [\old(x)=10737418254, ew_u={10737418260:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L300] FCALL ew_u.value = (x) VAL [\old(x)=10737418254, ew_u={10737418260:0}, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L301] EXPR, FCALL ew_u.parts.msw VAL [\old(x)=10737418254, ew_u={10737418260:0}, ew_u.parts.msw=6442450943, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L301] (hx) = ew_u.parts.msw VAL [\old(x)=10737418254, ew_u={10737418260:0}, ew_u.parts.msw=6442450943, hx=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L301] FCALL (hx) = ew_u.parts.msw VAL [(hx) = ew_u.parts.msw=10737418243, \old(x)=10737418254, ew_u={10737418260:0}, ew_u.parts.msw=6442450943, hx=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L302] EXPR, FCALL ew_u.parts.lsw VAL [\old(x)=10737418254, ew_u={10737418260:0}, ew_u.parts.lsw=-6442450944, hx=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L302] (lx) = ew_u.parts.lsw VAL [\old(x)=10737418254, ew_u={10737418260:0}, ew_u.parts.lsw=-6442450944, hx=2147483647, lx=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L302] FCALL (lx) = ew_u.parts.lsw VAL [(lx) = ew_u.parts.lsw=10737418244, \old(x)=10737418254, ew_u={10737418260:0}, ew_u.parts.lsw=-6442450944, hx=2147483647, lx=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L303] COND FALSE !(0) VAL [\old(x)=10737418254, hx=2147483647, lx=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L304] hx &= 0x7fffffff [L305] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L306] hx = 0x7ff00000 - hx [L307] RET return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [\old(x)=10737418254, \result=0, hx=2146435073, lx=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418254] [L321] EXPR isinf_double(res) VAL [isinf_double(res)=0, one_sqrt=1, res=10737418254, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] [L321] COND TRUE !isinf_double(res) [L322] __VERIFIER_error() VAL [one_sqrt=1, res=10737418254, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418251, y=10737418259] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 322 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 353 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=322occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 729 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-5eb3fea [2018-09-21 18:13:15,544 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-21 18:13:15,548 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-21 18:13:15,560 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-21 18:13:15,561 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-21 18:13:15,562 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-21 18:13:15,563 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-21 18:13:15,565 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-21 18:13:15,567 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-21 18:13:15,567 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-21 18:13:15,568 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-21 18:13:15,569 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-21 18:13:15,570 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-21 18:13:15,571 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-21 18:13:15,572 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-21 18:13:15,572 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-21 18:13:15,573 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-21 18:13:15,575 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-21 18:13:15,578 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-21 18:13:15,579 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-21 18:13:15,581 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-21 18:13:15,582 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-21 18:13:15,585 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-21 18:13:15,585 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-21 18:13:15,585 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-21 18:13:15,586 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-21 18:13:15,588 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-21 18:13:15,588 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-21 18:13:15,589 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-21 18:13:15,591 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-21 18:13:15,591 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-21 18:13:15,592 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-21 18:13:15,592 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-21 18:13:15,592 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-21 18:13:15,593 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-21 18:13:15,594 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-21 18:13:15,594 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-09-21 18:13:15,620 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-21 18:13:15,621 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-21 18:13:15,622 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-21 18:13:15,622 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-21 18:13:15,623 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-21 18:13:15,625 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-21 18:13:15,625 INFO L133 SettingsManager]: * Use SBE=true [2018-09-21 18:13:15,625 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-21 18:13:15,625 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-21 18:13:15,625 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-21 18:13:15,626 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-21 18:13:15,626 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-21 18:13:15,626 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-21 18:13:15,626 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-21 18:13:15,626 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-21 18:13:15,626 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-21 18:13:15,627 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-21 18:13:15,627 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-21 18:13:15,627 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-21 18:13:15,627 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-21 18:13:15,629 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-21 18:13:15,630 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-21 18:13:15,630 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-21 18:13:15,630 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-21 18:13:15,630 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-21 18:13:15,631 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-21 18:13:15,633 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-21 18:13:15,633 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-21 18:13:15,633 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-21 18:13:15,633 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-21 18:13:15,633 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-21 18:13:15,634 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c2546ac6e8de07534fb8e949b179ac6b6ee9744 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG -> false [2018-09-21 18:13:15,719 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-21 18:13:15,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-21 18:13:15,746 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-21 18:13:15,747 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-21 18:13:15,748 INFO L276 PluginConnector]: CDTParser initialized [2018-09-21 18:13:15,749 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1270b_true-unreach-call.c [2018-09-21 18:13:16,108 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/050c3c9b6/a4fe4419ae904c29b5a3b92b0558f6dd/FLAGda5194ddc [2018-09-21 18:13:16,351 INFO L277 CDTParser]: Found 1 translation units. [2018-09-21 18:13:16,352 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1270b_true-unreach-call.c [2018-09-21 18:13:16,365 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/050c3c9b6/a4fe4419ae904c29b5a3b92b0558f6dd/FLAGda5194ddc [2018-09-21 18:13:16,389 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/050c3c9b6/a4fe4419ae904c29b5a3b92b0558f6dd [2018-09-21 18:13:16,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-21 18:13:16,397 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-21 18:13:16,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-21 18:13:16,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-21 18:13:16,411 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-21 18:13:16,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:13:16" (1/1) ... [2018-09-21 18:13:16,415 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b07929c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:16, skipping insertion in model container [2018-09-21 18:13:16,415 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 06:13:16" (1/1) ... [2018-09-21 18:13:16,430 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-21 18:13:16,864 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:13:16,883 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-21 18:13:16,961 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-21 18:13:17,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:17 WrapperNode [2018-09-21 18:13:17,023 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-21 18:13:17,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-21 18:13:17,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-21 18:13:17,024 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-21 18:13:17,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:17" (1/1) ... [2018-09-21 18:13:17,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:17" (1/1) ... [2018-09-21 18:13:17,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:17" (1/1) ... [2018-09-21 18:13:17,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:17" (1/1) ... [2018-09-21 18:13:17,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:17" (1/1) ... [2018-09-21 18:13:17,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:17" (1/1) ... [2018-09-21 18:13:17,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:17" (1/1) ... [2018-09-21 18:13:17,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-21 18:13:17,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-21 18:13:17,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-21 18:13:17,114 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-21 18:13:17,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:17" (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 [2018-09-21 18:13:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-21 18:13:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-21 18:13:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-09-21 18:13:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypot [2018-09-21 18:13:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-09-21 18:13:17,265 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-21 18:13:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-09-21 18:13:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-09-21 18:13:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-09-21 18:13:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-09-21 18:13:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-09-21 18:13:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-09-21 18:13:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-09-21 18:13:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-09-21 18:13:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-09-21 18:13:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypot [2018-09-21 18:13:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-09-21 18:13:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-21 18:13:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-21 18:13:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-21 18:13:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-09-21 18:13:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-09-21 18:13:17,594 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:17,621 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:17,642 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:17,848 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:17,892 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:17,923 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:21,760 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:21,882 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:22,013 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:22,178 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:22,272 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:22,373 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:22,418 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:22,515 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:23,312 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:23,353 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:23,474 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:23,515 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:23,591 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:23,655 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:24,039 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:24,050 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:24,068 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:24,077 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:24,145 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:24,225 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:24,442 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:24,486 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:24,549 WARN L312 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-09-21 18:13:25,942 INFO L373 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-21 18:13:25,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:13:25 BoogieIcfgContainer [2018-09-21 18:13:25,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-21 18:13:25,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-21 18:13:25,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-21 18:13:25,948 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-21 18:13:25,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.09 06:13:16" (1/3) ... [2018-09-21 18:13:25,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c9f0ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:13:25, skipping insertion in model container [2018-09-21 18:13:25,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 06:13:17" (2/3) ... [2018-09-21 18:13:25,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c9f0ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.09 06:13:25, skipping insertion in model container [2018-09-21 18:13:25,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 06:13:25" (3/3) ... [2018-09-21 18:13:25,954 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1270b_true-unreach-call.c [2018-09-21 18:13:25,965 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-21 18:13:25,974 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-21 18:13:26,019 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-21 18:13:26,020 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-21 18:13:26,020 INFO L382 AbstractCegarLoop]: Hoare is false [2018-09-21 18:13:26,020 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-21 18:13:26,021 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-21 18:13:26,021 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-21 18:13:26,021 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-21 18:13:26,021 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-21 18:13:26,022 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-21 18:13:26,051 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states. [2018-09-21 18:13:26,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-21 18:13:26,068 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:13:26,069 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:13:26,072 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:13:26,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1307480282, now seen corresponding path program 1 times [2018-09-21 18:13:26,084 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:13:26,085 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2018-09-21 18:13:26,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:13:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:13:26,277 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:13:26,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:13:26,300 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:13:26,327 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:13:26,328 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-21 18:13:26,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-09-21 18:13:26,349 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-09-21 18:13:26,350 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:13:26,352 INFO L87 Difference]: Start difference. First operand 321 states. Second operand 2 states. [2018-09-21 18:13:26,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:13:26,396 INFO L93 Difference]: Finished difference Result 321 states and 352 transitions. [2018-09-21 18:13:26,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-09-21 18:13:26,398 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-09-21 18:13:26,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:13:26,415 INFO L225 Difference]: With dead ends: 321 [2018-09-21 18:13:26,416 INFO L226 Difference]: Without dead ends: 317 [2018-09-21 18:13:26,417 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-09-21 18:13:26,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-09-21 18:13:26,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-09-21 18:13:26,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-09-21 18:13:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 348 transitions. [2018-09-21 18:13:26,495 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 348 transitions. Word has length 27 [2018-09-21 18:13:26,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:13:26,496 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 348 transitions. [2018-09-21 18:13:26,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-09-21 18:13:26,496 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 348 transitions. [2018-09-21 18:13:26,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-21 18:13:26,502 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:13:26,503 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:13:26,503 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:13:26,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1824837538, now seen corresponding path program 1 times [2018-09-21 18:13:26,507 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:13:26,508 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2018-09-21 18:13:26,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:13:26,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:13:26,794 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:13:26,896 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 14 treesize of output 11 [2018-09-21 18:13:26,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-21 18:13:26,911 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:13:26,917 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:13:26,935 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:13:26,936 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:24, output treesize:20 [2018-09-21 18:13:27,013 INFO L477 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 20 treesize of output 16 [2018-09-21 18:13:27,034 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-21 18:13:27,035 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:13:27,059 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:13:27,134 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:13:27,134 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:14 [2018-09-21 18:13:28,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:13:28,039 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:13:28,060 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:13:28,060 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-09-21 18:13:28,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-09-21 18:13:28,065 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-09-21 18:13:28,065 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2018-09-21 18:13:28,065 INFO L87 Difference]: Start difference. First operand 317 states and 348 transitions. Second operand 11 states. [2018-09-21 18:13:29,941 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-21 18:13:32,609 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-09-21 18:15:36,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-21 18:15:36,951 INFO L93 Difference]: Finished difference Result 675 states and 729 transitions. [2018-09-21 18:15:37,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-09-21 18:15:37,102 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 80 [2018-09-21 18:15:37,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-21 18:15:37,110 INFO L225 Difference]: With dead ends: 675 [2018-09-21 18:15:37,111 INFO L226 Difference]: Without dead ends: 671 [2018-09-21 18:15:37,112 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2018-09-21 18:15:37,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 671 states. [2018-09-21 18:15:37,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 671 to 355. [2018-09-21 18:15:37,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-09-21 18:15:37,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 388 transitions. [2018-09-21 18:15:37,148 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 388 transitions. Word has length 80 [2018-09-21 18:15:37,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-21 18:15:37,149 INFO L480 AbstractCegarLoop]: Abstraction has 355 states and 388 transitions. [2018-09-21 18:15:37,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-09-21 18:15:37,150 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 388 transitions. [2018-09-21 18:15:37,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-21 18:15:37,155 INFO L368 BasicCegarLoop]: Found error trace [2018-09-21 18:15:37,155 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-21 18:15:37,155 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-21 18:15:37,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1343757280, now seen corresponding path program 1 times [2018-09-21 18:15:37,156 INFO L227 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-09-21 18:15:37,156 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2018-09-21 18:15:37,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-21 18:15:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-21 18:15:37,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-21 18:15:37,580 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 14 treesize of output 11 [2018-09-21 18:15:37,588 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-09-21 18:15:37,589 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:15:37,687 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:15:37,742 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:15:37,742 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:23 [2018-09-21 18:15:37,808 INFO L477 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 20 treesize of output 16 [2018-09-21 18:15:37,815 INFO L477 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 4 [2018-09-21 18:15:37,815 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:15:37,851 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:15:37,922 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:15:37,923 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:17 [2018-09-21 18:15:38,399 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-21 18:15:38,522 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 12 treesize of output 9 [2018-09-21 18:15:38,530 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-09-21 18:15:38,531 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:15:38,540 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:15:38,583 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-09-21 18:15:38,584 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:42, output treesize:38 [2018-09-21 18:15:38,737 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 22 treesize of output 17 [2018-09-21 18:15:38,751 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:15:38,759 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 24 [2018-09-21 18:15:38,759 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:15:38,791 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:15:38,856 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-09-21 18:15:38,857 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:51, output treesize:47 [2018-09-21 18:15:39,199 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-21 18:15:39,218 INFO L477 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 63 treesize of output 47 [2018-09-21 18:15:39,263 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:15:39,286 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2018-09-21 18:15:39,287 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:15:39,361 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:15:39,521 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-09-21 18:15:39,521 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:92, output treesize:48 [2018-09-21 18:15:39,860 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-09-21 18:15:40,186 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 13 treesize of output 10 [2018-09-21 18:15:40,206 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-09-21 18:15:40,207 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:15:40,241 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:15:40,360 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2018-09-21 18:15:40,360 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:61, output treesize:57 [2018-09-21 18:15:40,647 INFO L477 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 41 [2018-09-21 18:15:40,669 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:15:40,684 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 22 [2018-09-21 18:15:40,686 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:15:40,747 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:15:40,833 INFO L267 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2018-09-21 18:15:40,833 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:102, output treesize:63 [2018-09-21 18:15:41,542 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-09-21 18:15:43,798 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-09-21 18:15:46,213 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-09-21 18:15:49,005 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-09-21 18:15:49,623 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:15:49,624 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:15:49,625 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 27 treesize of output 35 [2018-09-21 18:15:49,635 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:15:49,656 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 25 [2018-09-21 18:15:49,657 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:15:49,675 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:15:49,698 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:15:49,698 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:36, output treesize:28 [2018-09-21 18:15:52,185 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:15:52,186 INFO L682 Elim1Store]: detected equality via solver [2018-09-21 18:15:52,188 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 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 56 [2018-09-21 18:15:52,205 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:15:52,225 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2018-09-21 18:15:52,227 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:15:52,257 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:15:52,299 INFO L267 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. [2018-09-21 18:15:52,300 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:63, output treesize:55 [2018-09-21 18:15:53,128 INFO L477 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 35 treesize of output 27 [2018-09-21 18:15:53,134 INFO L700 Elim1Store]: detected not equals via solver [2018-09-21 18:15:53,140 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2018-09-21 18:15:53,140 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-09-21 18:15:53,151 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-09-21 18:15:53,169 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-09-21 18:15:53,169 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:44, output treesize:18 [2018-09-21 18:16:01,556 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2018-09-21 18:16:01,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-21 18:16:01,686 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-09-21 18:16:01,701 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-21 18:16:01,701 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2018-09-21 18:16:01,701 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-09-21 18:16:01,702 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-09-21 18:16:01,702 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=690, Unknown=1, NotChecked=0, Total=756 [2018-09-21 18:16:01,703 INFO L87 Difference]: Start difference. First operand 355 states and 388 transitions. Second operand 28 states. [2018-09-21 18:16:07,864 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 24 [2018-09-21 18:16:09,433 WARN L178 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2018-09-21 18:16:10,462 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2018-09-21 18:16:11,741 WARN L178 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2018-09-21 18:16:13,187 WARN L178 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2018-09-21 18:16:14,524 WARN L178 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2018-09-21 18:16:15,736 WARN L178 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2018-09-21 18:16:17,641 WARN L178 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2018-09-21 18:16:19,396 WARN L178 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2018-09-21 18:16:21,595 WARN L178 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2018-09-21 18:16:23,858 WARN L178 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2018-09-21 18:16:25,248 WARN L178 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2018-09-21 18:16:33,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-09-21 18:16:33,661 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:225) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:154) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.WrapperScript.checkSat(WrapperScript.java:116) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.checkSat(ManagedScript.java:140) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:84) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:858) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:732) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:338) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:381) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1066) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:968) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:188) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:674) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:603) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:472) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1427) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:205) ... 43 more [2018-09-21 18:16:33,673 INFO L168 Benchmark]: Toolchain (without parser) took 197278.68 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 239.1 MB). Free memory was 949.2 MB in the beginning and 1.2 GB in the end (delta: -279.6 MB). Peak memory consumption was 403.7 MB. Max. memory is 11.5 GB. [2018-09-21 18:16:33,674 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-09-21 18:16:33,674 INFO L168 Benchmark]: CACSL2BoogieTranslator took 621.87 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 927.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-09-21 18:16:33,675 INFO L168 Benchmark]: Boogie Preprocessor took 89.46 ms. Allocated memory is still 1.0 GB. Free memory was 927.7 MB in the beginning and 922.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-09-21 18:16:33,676 INFO L168 Benchmark]: RCFGBuilder took 8828.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.0 MB). Free memory was 922.3 MB in the beginning and 976.5 MB in the end (delta: -54.2 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. [2018-09-21 18:16:33,680 INFO L168 Benchmark]: TraceAbstraction took 187727.73 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 976.5 MB in the beginning and 1.2 GB in the end (delta: -252.2 MB). Peak memory consumption was 355.0 MB. Max. memory is 11.5 GB. [2018-09-21 18:16:33,685 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 621.87 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 927.7 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 89.46 ms. Allocated memory is still 1.0 GB. Free memory was 927.7 MB in the beginning and 922.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 8828.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.0 MB). Free memory was 922.3 MB in the beginning and 976.5 MB in the end (delta: -54.2 MB). Peak memory consumption was 36.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 187727.73 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 976.5 MB in the beginning and 1.2 GB in the end (delta: -252.2 MB). Peak memory consumption was 355.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:208) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...